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Cygnus X
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Before They Were Stars: New Image Shows Space Nursery The stars we see today weren't always as serene as they appear, floating alone in the dark of night. Most stars, likely including our own sun, grew up in cosmic turmoil, as illustrated in this new image from NASA's Spitzer Space Telescope. The imag...
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IGR J17454-2919
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ATel 7020: Chandra position of IGR J17454-2919 and discovery of a possible NIR counterpart
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HD 92207
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Title: Spectropolarimetric Variability and Co-Rotating Structure in HD 92207 Authors: R Ignace, S Hubrig, M Scholler We report on low resolution (R~3000) spectropolarimetry of the A0 supergiant star HD 92207. This star is well-known for significant spectral variability. The source was obser...
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HVC274.68+74.70-123
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Title: HII regions within a compact high velocity cloud. A nearly star-less dwarf galaxy? Author: M. Bellazzini, L. Magrini, A. Mucciarelli, G. Beccari, R. Ibata, G. Battaglia, N. Martin, V. Testa, M. Fumana, A. Marchetti, M. Correnti, F. Fraternali Within the SECCO survey we identified a candid...
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QSO PKS0235+164
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ATel 6987: Futher brightening of the ongoing NIR Flare of the QSO PKS0235+164
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Icy Universe
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Title: Observations of the Icy Universe Author: Adwin Boogert, Perry Gerakines, Douglas Whittet Freeze-out of the gas phase elements onto cold grains in dense interstellar and circumstellar media builds up ice mantles consisting of molecules that are mostly formed in situ (H2O, NH3, CO2, CO, CH...
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NGC 6819
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Title: A Lithium-Rich Red Giant Below the Clump in the Kepler Cluster, NGC 6819 Authors: Barbara J. Anthony-Twarog, Constantine P. Deliyannis, Evan Rich, Bruce A. Twarog WIYN/HYDRA spectra in the Li 6708 Angstrom region have been obtained for 332 probable members of the old open cluster, NGC 6819...
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High-Velocity Cloud Complex C
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Title: An Accurate Distance to High-Velocity Cloud Complex C Authors: C. Thom, J.E.G. Peek, M.E. Putman, Carl Heiles, K.M.G. Peek, R. Wilhelm (Version v2) We report an accurate distance of d = 10+/-2.5kpc to the high-velocity cloud Complex C. Using high signal-to-noise Keck/HIRES spectra of two...
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Helix nebula
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The Helix Nebula (NGC 7293) is a challenging stargazing target for amateur astronomers. It is one of the closest planetary nebulas -- a type of nebula formed from gas ejected by a dying sunlike star.
A new portrait of the Helix Nebula, created by the infrared Spitzer Space Telescope, has be...
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NGC 281
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[url=http://antwrp.gsfc.nasa.gov/apod/image/0508...
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Interstellar hydrogen
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Title: Interstellar H2 toward HD 37903 Authors: Piotr Gnacinski (Version v3) We present an analysis of interstellar H2 toward HD 37903, which is a hot, B 1.5 V star located in the NGC 2023 reflection nebula. Meyer et al. (2001) have used a rich spectrum of vibrationally excited H2 observed by the HST t...
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ESO 137-001
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Orphan Stars Found in Long Galaxy Tail Credit: X-ray: NASA/CXC/MSU/M.Sun et al; H-alpha/Optical: SOAR (MSU/NOAO/UNC/CNPq-Brazil)/M.Sun et al. JPEG (273 kb) Tiff (4.8 MB) PS (6.6 MB) This composite image of X-ray and optical light shows a tail that has been created as a galaxy plunges into a clu...
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NGC 1520
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NGC 1520 (also ESO 32-SC5) is a magnitude +12.8 asterism located in the constellation Mensa. The group of stars was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Feldhausen, Claremont, Cape Town on the 8th November 1836. Positio...
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NGC 7438
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NGC 7438 is a magnitude +13.3 asterism located 1960 light-years away in the constellation Cassiopeia. The group of stars was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Windsor Road in Slough, Berkshire, on the 8th November 18...
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PSR J1906+0746
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Title: Chandra observation of the relativistic binary J1906+0746 Authors: O. Kargaltsev, G. G. Pavlov PSR J1906+0746 is a 112-kyr-old radio pulsar in a tight relativistic binary with a compact high-mass companion, at the distance of about 5 kpc. We observed this unique system with the Chandra AC...
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