* Astronomy

V2670 Ophiuchi = Nova Ophiuchi 2008 Read more IAUC 8998 (Subscription)

NOVA SCUTI 2005 Number 2 V477 SCUTI discovery magnitude 10.6 (photographic) Position(2000): R.A. = 18h 38m 42.93s Dec = -12o 16' 15.6" Field of view 45 x 60` Spectra taken Oct. 15.75 UT by R. K. Das, N. M. Ashok...

A magnitude ~7 Nova in Puppis was discovered by Alfredo Jose Serra Pereira, Carnaxide, Portugal on the 14th November 2007, 14:23 UT Position(2000): RA 08:16:17.99, Dec -34:15:25.0 V597 PUPPIS = NOVA PUPPIS 2007

Title: Hubble Space Telescope STIS Spectroscopy of Long Period Dwarf Novae in Quiescence Authors: E. M. Sion, B. T. Gaensicke, K. S. Long, P. Szkody, C. Knigge, I. Hubeny, D. Demartino, Godon Patrick We present the results of a synthetic spectral analysis of HST STIS spectra of five long period dwar...

Koichi Nishiyama and Fujio Kabashima, from Japan have discovered a magnitude 8 Nova in Cygnus on CCD images taken on April 10th. IMAGE (117kb, 618 x 645) Position(2000): R.A. = 19h 43m 01.96s...

A magnitude 10 nova in Ophiuchus was discovered on the 25th May, 2008, by several Japanese observers; -- K. Nishiyama, Kurume, Fukuoka-ken, and F. Kabashima, Miyaki-cho, Saga-ken -- H. Nishimura, Kakegawa, Shizuoka-ken -- K. Haseda, Toyohashi, Aichi; vi...

The SU UMa dwarf nova VY Aquari has started to brighten. VY Aquari last had a super outburst on July 30, 2008 when it reached magnitude 10.2. Position(2000): RA: 21 12 09.20 , Dec: -08 49 36.5[url=http://cid-ece34b23f9289e80.skydrive.live.com/self.aspx/Public/VY%20Aquari.kmz]Google

A magnitude 14 nova was discovered in the constellation Aquila by K. Itagaki (Japan) on the 22nd September, 2008. Position(2000): RA = 19 06 28.58, Dec = +07 06 44.3 IAUC 8989 (Subscription)

P60-FasTING (Palomar 60-inch Fast Transients In Nearby Galaxies) has discovered a magnitude 20.6 possible nova in the galaxy M81, on the 27th October, 2008. Position(2000): RA = 09:55:36.105, Dec = +69°03'10".0 The nova is located 15.8"E, 33.1"S from the nucleus of the galaxy...

The dwarf nova V632 Cygnus is in outburst. Date: 11 November, 2008 Magnitude: 12.6 - 17.5 Period: unknown Satellite period: days Type: UGSS Position(2000): RA 21 36 04.20, Dec +40 26 19.0

The cataclysmic variable V358 Lyrae is in outburst. Date: 23rd November 2008 Magnitude: 16 - 22 Period: ? Satellite period: ? Type: UGWZ The last known outburst was in 1965 Position(2000): RA 18:59:32.96, Dec +42:24:12.0

The dwarf nova KT Persei is in outburst Date: 2nd December, 2008. Magnitude: 11.5 - 15.39 V Period: 26 days Satellite Period: 0.162658 days Type: UGZ, Cataclysmic binary system Position(2000): RA=01h37m08.79s, DE=+50°57'20.4"

Title: CCD Photometry of a Newly Confirmed SU UMa-Type Dwarf Nova, NSV 4838 Authors: Akira Imada, Tatsuki Yasuda, Toshihiro Omodaka, Shota Oizumi, Hiroyuki Yamamoto, Shunsuke Tanada, Yoshihiro Arao, Kie Kodama, Miho Suzuki, Takeshi Matsuo, Hiroyuki Maehara, Taichi Kato, Kei Sugiyasu, Yuuki...

A magnitude 10.6 nova was discovered by W. Liller (Chile) on the 5th February, 2009, in the Large Magellanic Cloud. Position(2000): RA = 05h 40m 44.20s, Dec = -66° 40' 11.6"

A new magnitude 11.7 nova (VSX J174408.04-260548) has been discovered in the constellation Sagittarius by K. Nishiyama and F. Kabashima. Position(2000): RA = 17h 44m 08.44s, Dec = -26° 05' 48.7" IAUC 9041 (Subscription...

Nova V1280 Scorpii has brightened to magnitude 3.7 Position(J2000): R.A. = 16h 57m 41s.0, Dec. =-32d 20m 34s

V5582 Sagittarii = Nova Sagittarii 2009 No. 2. Nova Sagittarii 2009 No. 2. was Discovery by G. Sun and X. Gao in China. The discovery magnitude was approximately11.5 on the 23rd February, 2009. This nova is this year's second nova in Sagittarius. Position (2000): RA = 17h 45m 05.40s. Dec = -20° 03' 21....

1811-30 NOVA SAGITTARII 2005 NO. 2 Nova identified on July 4.049 UT on two red photos (85mm lens + TP film + deep orange filter), as a red stellar image at magnitude 8.0. Discovered By: William Liller, Vina del Mar Chile Position(2000): R.A. = 18h 17m 50....

Possible Nova in Sagittarius A possible magnitude 10.3 nova was discovered in Sagittarius by Yukio Sakurai, Mito, Ibaraki-ken, Japan, on Apr. 14 V5558 Sagittarii = Nova Sagittarii 2007 Position (2000.0): R.A. = 18h 10m 18.27s Dec. = -18o 46' 52.1" [url=http://cfa-www.harvard.edu...

Title: X-ray and UV observations of nova V598 Puppis between 147 and 255 days after outburst Authors: K.L. Page (1), J.P. Osborne (1), A.M. Read (1), P.A. Evans (1), J.-U. Ness (2), A.P. Beardmore (1), M. Bode (3), G.J. Schwarz (4), S. Starrfield (5) ((1) University of Leicester, (2) XMM SOC, (3) Live...

The Am CVn or helium dwarf nova KL Draconis is in outburst. Observations on the 17th September, 2009, by observers using the Liverpool Telescope detected a brightness increase of 1.35 magnitudes to magnitude 17.29. The star was also seen in outburst on the 8th August, 2009 with the system reachin...

Possible outburst of the dwarf nova BC Ursae Majoris The outburst (magnitude V = 11.7) was discovered on the 30th September, 2009, by T. Parson (USA). Position(2000): RA 11 52 15.83, Dec +49 14 42.0 Light curve

A possible magnitude 9.3 nova has been discovered on the 26th October, 2009, in the constellation Sagittarius. Position(2000): RA 18 31 32.79, Dec -16 19 07.5 Ed ~ this is a deeply crowded part of the sky.

Title: Spitzer Observations of the New Luminous Red Novae M85\,OT2006-1 Authors: A. Rau, S.R. Kulkarni, E.O. Ofek, L. Yan M85OT2006-1 is the latest and most brilliant addition to the small group of known Luminous Red Novae (LRNe). An identifying characteristic of the prev...

Title: SDSS J144011.01+494733.4: a new SU UMa-type dwarf nova in Bootes Authors: David Boyd, Nick Dunckel, Jerry Foote, Ian Miller We report photometry and analysis of a previously unknown SU UMa-type dwarf nova in Bootes detected in outburst by the Catalina Real-time Transient Survey on 2009 Ma...

FO Persei is in outburst. Date: 2008 10 19 Magnitude: 11.8 - 16 V Period: 11.02 days Satellite period: ? ype: UG Position(2000): RA=04 08 34.99, Dec=+51°14'48.3" Read more

Title: SY Cancri, a case for unstable mass transfer? Authors: J. Casares, I. G. Martinez-Pais, P. Rodriguez-Gil Intermediate resolution (0.5-1 Angs) optical spectroscopy of the cataclysmic variable SY Cnc reveals the spectrum of the donor star. Our data enable us to resolve the orbital motion o...

The recurrent nova RS Ophiuchi is in outburst. Previous outbursts have been recorded in 1898, 1933, 1958, and 1967, with a possible outburst in 1945. The last outburst of RS Oph occurred in January 1985, when the...

The variable symbiotic Star AG Draco may be about to have an outburst and brighten to over 9th magnitude (from 11.3). The last time it brightened was in 1991, when AG Draco reached visual magnitude of 8.1. AG Draco is a symbiotic binary that probably contains a cool giant and a white dwarf. F...

Title: Cyclical period changes in HT Cas: a clear difference between systems above and below the period gap Authors: B. W. Borges, R. Baptista, C. Papadimitriou, O. Giannakis We report the identification of cyclical changes in the orbital period of the eclipsing cataclysmic variable HT Cas. We m...

Title: Discovery of a new cataclysmic variable through optical variability and X-ray emission Authors: Magaretha L. Pretorius, Christian Knigge Aims: We present discovery observations of the new cataclysmic variable star (CV) 1RXS J092737.4-191529, as well a...

Title: Helium Nova on a Very Massive White Dwarf -- A Light Curve Model of V445 Puppis (2000) Revised Authors: Mariko Kato (Keio Univ.), Izumi Hachisu (Univ. of Tokyo), Seiichiro Kiyota (VSOLJ), Hideyuki Saio (Tohoku Univ.) V445 Pup (2000) is a unique object identified as a helium nova. Colour inde...

Spitzer Observations of V838 Monocerotis: Detection of a Rare Infrared Light Echo Authors: D.P.K. Banerjee, K.Y.L. Su, K.A. Misselt, N.M. Ashok Reaserchers present Spitzer observations of the unusual variable [url=http://www.geocities.com/douglasrana/v838.htm]V...

A possible magnitude 8.1 nova was discovered on the 25th November, 2009, in the constellation Eridanus. Position(2000): RA=04h47m54.21s, Dec =-10° 10' 43".1 -- Edited by Blobrana on Thursday 26th of November 2009 01:51:22 PM

The dwarf nova variable SS Auriga is in outburst. Date: 10th September 2008 Position(2000): RA=06h13m22.44s, Dec =+47°44 25.3 Magnitude: 10.3 - 15.8 V Period: 55.5 days Satellite orbital period: 0.1828 days

XMM-Newton has discovered an exploding star in the Milky Way. Usually that would be important in itself, but this time there is a special twist. Calculations show that the explosion must have been clearly visible to the unaided eye but was missed by the legions of star watchers around the planet. On 9...

Title: SDSS J102146.44+234926.3: New WZ Sge-type dwarf nova Authors: Alex Golovin, Ayani Kazuya, Pavlenko Elena P., Krajci Tom, Kuznyetsova Yuliana, Henden Arne, Krushevska Victoria, Dvorak Shawn, Sokolovsky Kirill, Sergeeva Tatyana P., James Robert, Crawford Tim, Corp Laurent (version v...

Title: V723 Cas (Nova Cassiopeiae 1995): MERLIN observations from 1996 to 2001 Authors: I. Heywood, T.J. O'Brien, S.P.S. Eyres, M.F. Bode, R.J. Davis MERLIN observations of the unusually slow nova V723 Cas are presented. Nine epochs of 6-cm data between 1996 and 2001 are mapped, showing the initi...

Title: Hubble Space Telescope Far Ultraviolet Spectroscopy of the Dwarf Nova VW Hyi in Superoutburst Authors: Jason Merritt, Christopher Night, Edward M. Sion We obtained three consecutive HST spectroscopic observations of a single superoutburst of the dwarf nova VW Hydri. The spectra cover t...

Title: The Pre-cataclysmic Binary HS 1136+6646 May Have a Companion Authors: James Liebert (1), Kurtis A. Williams (1,2), J. B. Holberg (3), D. K. Sing (3), ((1) Steward Observatory, (2) University of Texas, (3) Lunar and Planetary Laboratory) Because of the similarity of...

A magnitude: 11.5 V, Nova in the Large Magellanic Cloud was discovered on November 26th 2005, by William Liller, Vina del Mar, Chile. Position (2000): R.A. = 05h 10m 32.68s Dec. = -69o 12' 35.7"

Magnitude 15.8 Variable Vul 05 a new variable near M27 in the constellation Vulpecula, was discovered by Joerg Hanisch and Hans-Goeran Lindberg on August 21, 2005. Position(2000): R.A. = 19h 59m 51.29s D...

1737-34 NOVA SCORPII 2005 A Nova in Scorpius was discovered yesterday, July 25, at magnitude 9. The nova was discovered Independently by the ASAS-3 survey (Grzegorz Pojmanski, Warsaw University Astronomical Observatory) and Hideo Nishimura, Kakegawa, Shizuoka-ken, Japan. ...

Nova AQL 05 A possible nova has been reported in Aquila. The nova has an amplitude grater than 10 magnitudes. Position(2000): RA = 19:05:12.5 Dec = +05:14:12.0 +/- 0.4". [ur...

Title: Comprehensive Photometric Histories of All Known Galactic Recurrent Novae Authors: Bradley E. Schaefer (Louisiana State University) I collect virtually all photometry of the ten known galactic recurrent novae (RNe) and their 37 known eruptions. This consists of my modern measures of n...

A possible magnitude 10.9 nova was discovered on the 14th December, 2009, in the constellation Aquila. Position (2000): RA 19 14 09.73, Dec +15° 16 34.7 Expand (141kb, 800 x 600)

T Pyxidis is a recurrent nova and nova remnant in the constellation Pyxis. Its usual apparent magnitude is 15.5, but there occurred eruptions with maximal apparent magnitude of about 7.0 in the years 1890, 1902, 1920, 1944 and 1966. It is a binary star about 6000 light years from Earth. [url=http://...

A possible magnitude 8.4 nova was discovered on the 15th January, 2010, in the constellation Ophiuchus. Position (2000): RA 17 39 41, Dec -21 39 47

Title: RR Pic (1925): A Chandra X-ray View Authors: Y. Pekon, S. Balman (METU) We present the Chandra ACIS-S3 data of the old classical nova RR Pic (1925). The source has a count rate of 0.067+/-0.002 c/s in the 0.3-5.0 keV energy range. We detect the orbital period of the underlying binary system in th...

The dwarf nova QZ Virgo (= T Leo) is in outburst. Date: 2009 01 26 Magnitude: 10.2 - 15.7 Period: ? Satellite period: unknown Type: UGSU Position(2000): RA=11 38 26.82, Dec=+03°22'07.1"

The symbiotic binary star CI Cyg is in outburst. On the 11th August, 2008, the star was first noticed to have brightened by a full magnitude. The last major outburst was in March 1975. The star normally is at magnitude 11. Google Sky file (2kb, k...

V844 Herculis Outburst Date: 22nd October, 2010 Magnitude: 12.5 - 17.5 Period: Unknown Satellite period: 0.054643 days ype: SU UMa-type dwarf nova Position(2000): RA=16 25 01.75, Dec=+39°09'26.7"

A magnitude 16.1 extragalactic nova, M33 2010 - 11a, was discovered on the 27th November by J. Ruan and X. Gao in the galaxy M33 in the constellation Triangulum. The nova is located 301" west and 1329" south from the center of the galaxy Position(2000): RA = 01 33 27.55, Dec = +30°17'28"...

A magnitude 9.4 Nova was discovered by Bill Liller on June 15th. in the constellation Norma . Position(2000): RA 16:32.2 Dec -45:08

The long-period dwarf nova DX Andromedae is in outburst. Date: 22nd February, 2011 Magnitude range: 11.0 - 15.5 V Period: Unknown Satellite period: 0.440502 days Type: UGSS Position(2000): RA=23 29 46.68, Dec=+43°45'04.1"

The dwarf nova type cataclysmic variable X Leo is in outburst. Date of Outburst: 24th October 2008 Magnitude: 11.1 - 15.7 V Period: 16.9 days Satellite period: 0.1644 days Type: UGSS Position(2000): RA=09 51 01.46, Dec=+11°52'31.3"

A new magnitude 11.7 nova V5588 Sagittarii was discovered by K. Nishiyama, Kurume, and F. Kabashima, Miyaki, (Japan) on the 27th March 2011. The discovery was made with a SBIG STL6303E camera on a 105-mm f/4 lens. V5588 Sagittarii = NOVA Sagittarii 2011 No.2 Position(2000): RA = 18 10 21.35, Dec = -2...

Title: EVLA Nova Project Observations of the Classical Nova V1723 Aquilae Authors: Miriam I. Krauss, Laura Chomiuk, Michael Rupen, Nirupam Roy, Amy J. Mioduszewski, J. L. Sokoloski, Thomas Nelson, Koji Mukai, M. F. Bode, S. P. S. Eyres, T. J. O'Brien We present radio light curves and spectra of the...

Possible magnitude 9.7 nova in the constellation Scorpius was discovered on the 6th September, 2011, by Y. Nakamura (Japan). Position (J2000): R.A. 16 36 44.29 | Dec. -41° 32' 37.7''

	Forum	Replies	Views	Last Post
Nova Nova in Ophiuchus (Preview)	Events	0	2349	Oct 30 11:23 2008 by Blobrana
V2670 Ophiuchi = Nova Ophiuchi 2008 Read more IAUC 8998 (Subscription)
Nova Nova in Scutum (Preview)	Astronomy News	0	2196	Oct 19 15:26 2005 by Blobrana
NOVA SCUTI 2005 Number 2 V477 SCUTI discovery magnitude 10.6 (photographic) Position(2000): R.A. = 18h 38m 42.93s Dec = -12o 16' 15.6" Field of view 45 x 60` Spectra taken Oct. 15.75 UT by R. K. Das, N. M. Ashok...
Nova V597 PUPPIS (Preview)	Astronomy News	0	2139	Nov 16 12:34 2007 by Blobrana
A magnitude ~7 Nova in Puppis was discovered by Alfredo Jose Serra Pereira, Carnaxide, Portugal on the 14th November 2007, 14:23 UT Position(2000): RA 08:16:17.99, Dec -34:15:25.0 V597 PUPPIS = NOVA PUPPIS 2007
Nova Long Period Dwarf Novae (Preview)	Astronomy News	0	2259	Jan 31 09:42 2008 by Blobrana
Title: Hubble Space Telescope STIS Spectroscopy of Long Period Dwarf Novae in Quiescence Authors: E. M. Sion, B. T. Gaensicke, K. S. Long, P. Szkody, C. Knigge, I. Hubeny, D. Demartino, Godon Patrick We present the results of a synthetic spectral analysis of HST STIS spectra of five long period dwar...
Nova V2491 CYGNI (Preview)	Astronomy News	4	5834	Jun 14 05:23 2012 by Blobrana
Koichi Nishiyama and Fujio Kabashima, from Japan have discovered a magnitude 8 Nova in Cygnus on CCD images taken on April 10th. IMAGE (117kb, 618 x 645) Position(2000): R.A. = 19h 43m 01.96s...
Nova Nova in Ophiuchus (Preview)	Astronomy News	0	2379	May 29 17:42 2008 by Blobrana
A magnitude 10 nova in Ophiuchus was discovered on the 25th May, 2008, by several Japanese observers; -- K. Nishiyama, Kurume, Fukuoka-ken, and F. Kabashima, Miyaki-cho, Saga-ken -- H. Nishimura, Kakegawa, Shizuoka-ken -- K. Haseda, Toyohashi, Aichi; vi...
Nova VY Aquarii (Preview)	Astronomy News	0	2326	Jul 22 18:06 2008 by Blobrana
The SU UMa dwarf nova VY Aquari has started to brighten. VY Aquari last had a super outburst on July 30, 2008 when it reached magnitude 10.2. Position(2000): RA: 21 12 09.20 , Dec: -08 49 36.5[url=http://cid-ece34b23f9289e80.skydrive.live.com/self.aspx/Public/VY%20Aquari.kmz]Google
Nova Aquila V1721 Aquilae (Preview)	Astronomy News	0	2278	Oct 4 11:01 2008 by Blobrana
A magnitude 14 nova was discovered in the constellation Aquila by K. Itagaki (Japan) on the 22nd September, 2008. Position(2000): RA = 19 06 28.58, Dec = +07 06 44.3 IAUC 8989 (Subscription)
Nova M81 possible nova (Preview)	Events	0	2106	Nov 1 07:18 2008 by Blobrana
P60-FasTING (Palomar 60-inch Fast Transients In Nearby Galaxies) has discovered a magnitude 20.6 possible nova in the galaxy M81, on the 27th October, 2008. Position(2000): RA = 09:55:36.105, Dec = +69°03'10".0 The nova is located 15.8"E, 33.1"S from the nucleus of the galaxy...
Nova V632 Cygnus (Preview)	Stars/galaxy News	0	1974	Nov 13 19:12 2008 by Blobrana
The dwarf nova V632 Cygnus is in outburst. Date: 11 November, 2008 Magnitude: 12.6 - 17.5 Period: unknown Satellite period: days Type: UGSS Position(2000): RA 21 36 04.20, Dec +40 26 19.0
Nova V358 Lyrae (Preview)	Stars/galaxy News	0	2081	Nov 24 00:47 2008 by Blobrana
The cataclysmic variable V358 Lyrae is in outburst. Date: 23rd November 2008 Magnitude: 16 - 22 Period: ? Satellite period: ? Type: UGWZ The last known outburst was in 1965 Position(2000): RA 18:59:32.96, Dec +42:24:12.0
Nova KT Persei ( 1 2 ) (Preview)	Stars/galaxy News	11	5108	Mar 14 22:13 2012 by Blobrana
The dwarf nova KT Persei is in outburst Date: 2nd December, 2008. Magnitude: 11.5 - 15.39 V Period: 26 days Satellite Period: 0.162658 days Type: UGZ, Cataclysmic binary system Position(2000): RA=01h37m08.79s, DE=+50°57'20.4"
Nova NSV 4838 (Preview)	Stars/galaxy News	0	2102	Feb 9 16:08 2009 by Blobrana
Title: CCD Photometry of a Newly Confirmed SU UMa-Type Dwarf Nova, NSV 4838 Authors: Akira Imada, Tatsuki Yasuda, Toshihiro Omodaka, Shota Oizumi, Hiroyuki Yamamoto, Shunsuke Tanada, Yoshihiro Arao, Kie Kodama, Miho Suzuki, Takeshi Matsuo, Hiroyuki Maehara, Taichi Kato, Kei Sugiyasu, Yuuki...
Nova Nova in The LMC (Preview)	Astronomy News	0	2390	Feb 9 19:42 2009 by Blobrana
A magnitude 10.6 nova was discovered by W. Liller (Chile) on the 5th February, 2009, in the Large Magellanic Cloud. Position(2000): RA = 05h 40m 44.20s, Dec = -66° 40' 11.6"
Nova Nova Sagittarii 2009 (Preview)	Stars/galaxy News	1	2331	Sep 19 22:31 2009 by Blobrana
A new magnitude 11.7 nova (VSX J174408.04-260548) has been discovered in the constellation Sagittarius by K. Nishiyama and F. Kabashima. Position(2000): RA = 17h 44m 08.44s, Dec = -26° 05' 48.7" IAUC 9041 (Subscription...
Nova Nova V1280 Scorpii ( 1 2 ) (Preview)	Events	11	10895	Jun 21 01:51 2013 by Blobrana
Nova V1280 Scorpii has brightened to magnitude 3.7 Position(J2000): R.A. = 16h 57m 41s.0, Dec. =-32d 20m 34s
Nova Nova Sagittarii 2009 No. 2 (Preview)	Astronomy News	0	2120	May 31 16:55 2009 by Blobrana
V5582 Sagittarii = Nova Sagittarii 2009 No. 2. Nova Sagittarii 2009 No. 2. was Discovery by G. Sun and X. Gao in China. The discovery magnitude was approximately11.5 on the 23rd February, 2009. This nova is this year's second nova in Sagittarius. Position (2000): RA = 17h 45m 05.40s. Dec = -20° 03' 21....
Nova Nova in Sagittarius (Preview)	Events	0	2223	Jul 5 21:46 2005 by Blobrana
1811-30 NOVA SAGITTARII 2005 NO. 2 Nova identified on July 4.049 UT on two red photos (85mm lens + TP film + deep orange filter), as a red stellar image at magnitude 8.0. Discovered By: William Liller, Vina del Mar Chile Position(2000): R.A. = 18h 17m 50....
Nova V5558 Sagittarii (Preview)	Events	0	2425	Apr 20 23:25 2007 by Blobrana
Possible Nova in Sagittarius A possible magnitude 10.3 nova was discovered in Sagittarius by Yukio Sakurai, Mito, Ibaraki-ken, Japan, on Apr. 14 V5558 Sagittarii = Nova Sagittarii 2007 Position (2000.0): R.A. = 18h 10m 18.27s Dec. = -18o 46' 52.1" [url=http://cfa-www.harvard.edu...
Nova Nova V598 Puppis (Preview)	Stars/galaxy News	0	2045	Sep 10 12:04 2009 by Blobrana
Title: X-ray and UV observations of nova V598 Puppis between 147 and 255 days after outburst Authors: K.L. Page (1), J.P. Osborne (1), A.M. Read (1), P.A. Evans (1), J.-U. Ness (2), A.P. Beardmore (1), M. Bode (3), G.J. Schwarz (4), S. Starrfield (5) ((1) University of Leicester, (2) XMM SOC, (3) Live...
Nova KL Draconis (Preview)	Stars/galaxy News	2	2634	May 24 13:39 2010 by Blobrana
The Am CVn or helium dwarf nova KL Draconis is in outburst. Observations on the 17th September, 2009, by observers using the Liverpool Telescope detected a brightness increase of 1.35 magnitudes to magnitude 17.29. The star was also seen in outburst on the 8th August, 2009 with the system reachin...
Nova BC Ursae Majoris (Preview)	Stars/galaxy News	0	2016	Sep 30 14:32 2009 by Blobrana
Possible outburst of the dwarf nova BC Ursae Majoris The outburst (magnitude V = 11.7) was discovered on the 30th September, 2009, by T. Parson (USA). Position(2000): RA 11 52 15.83, Dec +49 14 42.0 Light curve
Nova Possible Nova in Sagittarius (Preview)	Astronomy News	3	6113	Oct 29 21:56 2009 by Blobrana
A possible magnitude 9.3 nova has been discovered on the 26th October, 2009, in the constellation Sagittarius. Position(2000): RA 18 31 32.79, Dec -16 19 07.5 Ed ~ this is a deeply crowded part of the sky.
Nova Luminous Red Novae (Preview)	Cosmology News	2	3829	May 24 15:09 2007 by Blobrana
Title: Spitzer Observations of the New Luminous Red Novae M85\,OT2006-1 Authors: A. Rau, S.R. Kulkarni, E.O. Ofek, L. Yan M85OT2006-1 is the latest and most brilliant addition to the small group of known Luminous Red Novae (LRNe). An identifying characteristic of the prev...
Nova SDSS J144011.01+494733.4 (Preview)	Stars/galaxy News	1	4013	Nov 4 01:25 2009 by Blobrana
Title: SDSS J144011.01+494733.4: a new SU UMa-type dwarf nova in Bootes Authors: David Boyd, Nick Dunckel, Jerry Foote, Ian Miller We report photometry and analysis of a previously unknown SU UMa-type dwarf nova in Bootes detected in outburst by the Catalina Real-time Transient Survey on 2009 Ma...
Nova FO Persei ( 1 2 ) (Preview)	Stars/galaxy News	12	5547	Mar 23 03:51 2012 by Blobrana
FO Persei is in outburst. Date: 2008 10 19 Magnitude: 11.8 - 16 V Period: 11.02 days Satellite period: ? ype: UG Position(2000): RA=04 08 34.99, Dec=+51°14'48.3" Read more
Nova SY Cancri (Preview)	Stars/galaxy News	7	2927	Mar 15 01:05 2012 by Blobrana
Title: SY Cancri, a case for unstable mass transfer? Authors: J. Casares, I. G. Martinez-Pais, P. Rodriguez-Gil Intermediate resolution (0.5-1 Angs) optical spectroscopy of the cataclysmic variable SY Cnc reveals the spectrum of the donor star. Our data enable us to resolve the orbital motion o...
Nova Nova RS Ophiuchi ( 1 2 3 ) (Preview)	Events	23	23978	Oct 5 09:01 2016 by Blobrana
The recurrent nova RS Ophiuchi is in outburst. Previous outbursts have been recorded in 1898, 1933, 1958, and 1967, with a possible outburst in 1945. The last outburst of RS Oph occurred in January 1985, when the...
Nova AG Draco (Preview)	Events	5	8442	May 18 19:05 2017 by Blobrana
The variable symbiotic Star AG Draco may be about to have an outburst and brighten to over 9th magnitude (from 11.3). The last time it brightened was in 1991, when AG Draco reached visual magnitude of 8.1. AG Draco is a symbiotic binary that probably contains a cool giant and a white dwarf. F...
Nova HT Cassiopeiae (Preview)	Stars/galaxy News	5	2962	Jan 19 21:56 2014 by Blobrana
Title: Cyclical period changes in HT Cas: a clear difference between systems above and below the period gap Authors: B. W. Borges, R. Baptista, C. Papadimitriou, O. Giannakis We report the identification of cyclical changes in the orbital period of the eclipsing cataclysmic variable HT Cas. We m...
Nova Variable Cataclysmic variable ( 1 2 ) (Preview)	Stars/galaxy News	16	26129	Dec 7 07:58 2011 by Blobrana
Title: Discovery of a new cataclysmic variable through optical variability and X-ray emission Authors: Magaretha L. Pretorius, Christian Knigge Aims: We present discovery observations of the new cataclysmic variable star (CV) 1RXS J092737.4-191529, as well a...
Nova V445 Puppis (Preview)	Stars/galaxy News	3	4021	Dec 9 17:38 2009 by Blobrana
Title: Helium Nova on a Very Massive White Dwarf -- A Light Curve Model of V445 Puppis (2000) Revised Authors: Mariko Kato (Keio Univ.), Izumi Hachisu (Univ. of Tokyo), Seiichiro Kiyota (VSOLJ), Hideyuki Saio (Tohoku Univ.) V445 Pup (2000) is a unique object identified as a helium nova. Colour inde...
Nova V838 Monocerotis ( 1 2 3 ) (Preview)	Stars/galaxy News	20	8553	Jul 23 08:25 2014 by Blobrana
Spitzer Observations of V838 Monocerotis: Detection of a Rare Infrared Light Echo Authors: D.P.K. Banerjee, K.Y.L. Su, K.A. Misselt, N.M. Ashok Reaserchers present Spitzer observations of the unusual variable [url=http://www.geocities.com/douglasrana/v838.htm]V...
Nova KT Eridani ( 1 2 ) (Preview)	Astronomy News	10	12452	Jun 10 05:22 2013 by Blobrana
A possible magnitude 8.1 nova was discovered on the 25th November, 2009, in the constellation Eridanus. Position(2000): RA=04h47m54.21s, Dec =-10° 10' 43".1 -- Edited by Blobrana on Thursday 26th of November 2009 01:51:22 PM
Nova SS Auriga (Preview)	Stars/galaxy News	0	2415	Sep 11 18:30 2008 by Blobrana
The dwarf nova variable SS Auriga is in outburst. Date: 10th September 2008 Position(2000): RA=06h13m22.44s, Dec =+47°44 25.3 Magnitude: 10.3 - 15.8 V Period: 55.5 days Satellite orbital period: 0.1828 days
Nova Giant V598 Puppis (Preview)	Stars/galaxy News	1	2645	Jul 18 16:06 2008 by Blobrana
XMM-Newton has discovered an exploding star in the Milky Way. Usually that would be important in itself, but this time there is a special twist. Calculations show that the explosion must have been clearly visible to the unaided eye but was missed by the legions of star watchers around the planet. On 9...
Nova WZ Sge-type dwarf nova (Preview)	Stars/galaxy News	3	7248	Jul 31 17:10 2015 by Blobrana
Title: SDSS J102146.44+234926.3: New WZ Sge-type dwarf nova Authors: Alex Golovin, Ayani Kazuya, Pavlenko Elena P., Krajci Tom, Kuznyetsova Yuliana, Henden Arne, Krushevska Victoria, Dvorak Shawn, Sokolovsky Kirill, Sergeeva Tatyana P., James Robert, Crawford Tim, Corp Laurent (version v...
Nova Nova Cassiopeiae 1995 (Preview)	Stars/galaxy News	2	2877	Sep 3 11:40 2015 by Blobrana
Title: V723 Cas (Nova Cassiopeiae 1995): MERLIN observations from 1996 to 2001 Authors: I. Heywood, T.J. O'Brien, S.P.S. Eyres, M.F. Bode, R.J. Davis MERLIN observations of the unusually slow nova V723 Cas are presented. Nine epochs of 6-cm data between 1996 and 2001 are mapped, showing the initi...
Nova Dwarf Nova VW Hydri (Preview)	Stars/galaxy News	0	1993	Mar 5 10:15 2007 by Blobrana
Title: Hubble Space Telescope Far Ultraviolet Spectroscopy of the Dwarf Nova VW Hyi in Superoutburst Authors: Jason Merritt, Christopher Night, Edward M. Sion We obtained three consecutive HST spectroscopic observations of a single superoutburst of the dwarf nova VW Hydri. The spectra cover t...
Nova Cataclysmic Binary (Preview)	Stars/galaxy News	0	2192	Sep 26 10:59 2006 by Blobrana
Title: The Pre-cataclysmic Binary HS 1136+6646 May Have a Companion Authors: James Liebert (1), Kurtis A. Williams (1,2), J. B. Holberg (3), D. K. Sing (3), ((1) Steward Observatory, (2) University of Texas, (3) Lunar and Planetary Laboratory) Because of the similarity of...
Nova NOVA LMC 2005 (Preview)	Stars/galaxy News	1	2368	Dec 1 00:31 2005 by Blobrana
A magnitude: 11.5 V, Nova in the Large Magellanic Cloud was discovered on November 26th 2005, by William Liller, Vina del Mar, Chile. Position (2000): R.A. = 05h 10m 32.68s Dec. = -69o 12' 35.7"
Nova Nova Vul05 (Preview)	Stars/galaxy News	0	2264	Aug 25 01:18 2005 by Blobrana
Magnitude 15.8 Variable Vul 05 a new variable near M27 in the constellation Vulpecula, was discovered by Joerg Hanisch and Hans-Goeran Lindberg on August 21, 2005. Position(2000): R.A. = 19h 59m 51.29s D...
Nova NOVA SCORPII 2005 (Preview)	Stars/galaxy News	0	2085	Jul 26 23:57 2005 by Blobrana
1737-34 NOVA SCORPII 2005 A Nova in Scorpius was discovered yesterday, July 25, at magnitude 9. The nova was discovered Independently by the ASAS-3 survey (Grzegorz Pojmanski, Warsaw University Astronomical Observatory) and Hideo Nishimura, Kakegawa, Shizuoka-ken, Japan. ...
Nova Nova AQL 05 (Preview)	Stars/galaxy News	0	2347	Jun 12 11:09 2005 by Blobrana
Nova AQL 05 A possible nova has been reported in Aquila. The nova has an amplitude grater than 10 magnitudes. Position(2000): RA = 19:05:12.5 Dec = +05:14:12.0 +/- 0.4". [ur...
Nova Recurrent Novae (Preview)	Stars/galaxy News	2	2373	Jul 20 20:31 2014 by Blobrana
Title: Comprehensive Photometric Histories of All Known Galactic Recurrent Novae Authors: Bradley E. Schaefer (Louisiana State University) I collect virtually all photometry of the ten known galactic recurrent novae (RNe) and their 37 known eruptions. This consists of my modern measures of n...
Nova Possible nova in Aquila (Preview)	Astronomy News	1	4353	Dec 23 16:47 2009 by Blobrana
A possible magnitude 10.9 nova was discovered on the 14th December, 2009, in the constellation Aquila. Position (2000): RA 19 14 09.73, Dec +15° 16 34.7 Expand (141kb, 800 x 600)
Nova T Pyxidis ( 1 2 3 ) (Preview)	Stars/galaxy News	23	8883	Apr 15 07:36 2014 by Blobrana
T Pyxidis is a recurrent nova and nova remnant in the constellation Pyxis. Its usual apparent magnitude is 15.5, but there occurred eruptions with maximal apparent magnitude of about 7.0 in the years 1890, 1902, 1920, 1944 and 1966. It is a binary star about 6000 light years from Earth. [url=http://...
Nova Possible nova in Ophiuchus (Preview)	Astronomy News	2	4383	Jan 17 18:08 2010 by Blobrana
A possible magnitude 8.4 nova was discovered on the 15th January, 2010, in the constellation Ophiuchus. Position (2000): RA 17 39 41, Dec -21 39 47
Nova RR Pictoris (Preview)	Stars/galaxy News	7	2765	Sep 20 15:16 2016 by Blobrana
Title: RR Pic (1925): A Chandra X-ray View Authors: Y. Pekon, S. Balman (METU) We present the Chandra ACIS-S3 data of the old classical nova RR Pic (1925). The source has a count rate of 0.067+/-0.002 c/s in the 0.3-5.0 keV energy range. We detect the orbital period of the underlying binary system in th...
Nova Dwarf nova QZ Virgo (Preview)	Stars/galaxy News	3	7262	Jan 20 05:38 2012 by Blobrana
The dwarf nova QZ Virgo (= T Leo) is in outburst. Date: 2009 01 26 Magnitude: 10.2 - 15.7 Period: ? Satellite period: unknown Type: UGSU Position(2000): RA=11 38 26.82, Dec=+03°22'07.1"
Nova CI Cygni (Preview)	KMZ	1	2021	Jul 12 16:20 2010 by Blobrana
The symbiotic binary star CI Cyg is in outburst. On the 11th August, 2008, the star was first noticed to have brightened by a full magnitude. The last major outburst was in March 1975. The star normally is at magnitude 11. Google Sky file (2kb, k...
nova V844 Herculis (Preview)	Stars	0	1773	Oct 23 15:43 2010 by Blobrana
V844 Herculis Outburst Date: 22nd October, 2010 Magnitude: 12.5 - 17.5 Period: Unknown Satellite period: 0.054643 days ype: SU UMa-type dwarf nova Position(2000): RA=16 25 01.75, Dec=+39°09'26.7"
Nova Nova M33N 2010 - 11a (Preview)	Events	0	2019	Nov 30 09:33 2010 by Blobrana
A magnitude 16.1 extragalactic nova, M33 2010 - 11a, was discovered on the 27th November by J. Ruan and X. Gao in the galaxy M33 in the constellation Triangulum. The nova is located 301" west and 1329" south from the center of the galaxy Position(2000): RA = 01 33 27.55, Dec = +30°17'28"...
Nova Possible Nova in Norma (Preview)	Events	1	2144	Jun 22 01:20 2007 by Blobrana
A magnitude 9.4 Nova was discovered by Bill Liller on June 15th. in the constellation Norma . Position(2000): RA 16:32.2 Dec -45:08
Nova DX Andromedae (Preview)	Stars	0	1743	Feb 22 21:32 2011 by Blobrana
The long-period dwarf nova DX Andromedae is in outburst. Date: 22nd February, 2011 Magnitude range: 11.0 - 15.5 V Period: Unknown Satellite period: 0.440502 days Type: UGSS Position(2000): RA=23 29 46.68, Dec=+43°45'04.1"
nova X Leo (Preview)	Stars/galaxy News	8	5861	Apr 22 08:27 2012 by Blobrana
The dwarf nova type cataclysmic variable X Leo is in outburst. Date of Outburst: 24th October 2008 Magnitude: 11.1 - 15.7 V Period: 16.9 days Satellite period: 0.1644 days Type: UGSS Position(2000): RA=09 51 01.46, Dec=+11°52'31.3"
Nova V5588 Sagittarii (Preview)	Stars	0	1827	Apr 4 08:31 2011 by Blobrana
A new magnitude 11.7 nova V5588 Sagittarii was discovered by K. Nishiyama, Kurume, and F. Kabashima, Miyaki, (Japan) on the 27th March 2011. The discovery was made with a SBIG STL6303E camera on a 105-mm f/4 lens. V5588 Sagittarii = NOVA Sagittarii 2011 No.2 Position(2000): RA = 18 10 21.35, Dec = -2...
Nova V1723 Aquilae (Preview)	Stars	0	1648	Jul 14 02:32 2011 by Blobrana
Title: EVLA Nova Project Observations of the Classical Nova V1723 Aquilae Authors: Miriam I. Krauss, Laura Chomiuk, Michael Rupen, Nirupam Roy, Amy J. Mioduszewski, J. L. Sokoloski, Thomas Nelson, Koji Mukai, M. F. Bode, S. P. S. Eyres, T. J. O'Brien We present radio light curves and spectra of the...
Nova Possible nova in the constellation Scorpius (Preview)	Stars	1	3360	Sep 11 11:42 2011 by Blobrana
Possible magnitude 9.7 nova in the constellation Scorpius was discovered on the 6th September, 2011, by Y. Nakamura (Japan). Position (J2000): R.A. 16 36 44.29 \| Dec. -41° 32' 37.7''