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Lambda Orionis cluster
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Title: Spitzer Observations of the Lambda Orionis cluster. II. Disks around solar-type and low mass stars Authors: Jesus Hernandez, Maria Morales-Calderon, Nuria Calvet, L. Hartmann, J. Muzerolle, R. Gutermuth, K. L. Luhman, J. Stauffer We present IRAC/MIPS Spitzer Space Telescope observat...
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NGC2244
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Title: SPITZER/IRAC-MIPS Survey of NGC2244: Protostellar Disk Survival in the Vicinity of Hot Stars Authors: Zoltan Balog, James Muzerolle, G. H. Rieke, Kate Y. L. Su, Eric T. Young We present the results from a survey of NGC 2244 from 3.6 to 24 micron with the Spitzer Space Telescope. The 24micron-...
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IC 2157
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IC 2157 (also Trumpler 4, Collinder 80 and OCl 465) is a magnitude +8.4 open cluster located over 6650 light-years away in the constellation Gemini. It's location is easily identified by being approximately one degree SE of M35; however it appears as a relatively poor concentration of stars with a p...
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NGC 2158
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NGC 2158 (also OCL 468) is a magnitude +8.6 open cluster located over 11,000 light-years away in the constellation Gemini. The open cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Datchet, Berkshire, on the 1...
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Messier 35
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A superb object for small telescopes, the open star cluster Messier 35 in Gemini ranks as one of the most beautiful objects in the heavens. Even a modest scope reveals curved strands of stars twisting about a sparse central region, like bursting fireworks on a dark summer night. [url=http://www.on...
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NGC 2175
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NGC 2175 (also known as OCL 476 or Cr 84) is a magnitude +6.8 open cluster embedded in a diffusion nebula, and located about 6,350 light years away in the constellation Orion. The surrounding nebula is catalogued as Sharpless 2-252. There is some equivocation in the use of the identifiers NGC 2174 and...
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Messier 17
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Title: The morphology of M17-UC1 - The first candidate of a disk surrounding a hyper-compact HII region
Authors: M. Nielbock, R. Chini, V. H. Hoffmeister, C. M. Scheyda, J. Steinacker, D. Nuernberger, R. Siebenmorgen, J. Berndt, E. Kovacevic, I. Stefanovic, J. Winter
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IC5146 interstellar cloud
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Do Cosmic Strings of Gas Come From Sonic Booms? The Herschel Space Observatory has revealed that clouds between stars contain networks of tangled gaseous filaments. Intriguingly, each filament is approximately the same width, hinting that they may result from interstellar sonic booms through...
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Barnard 168
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Barnard 168 is a dark molecular cloud located about 500-light-years away in the constellation Cygnus. The lighter haze is the Cocoon Nebula is directly connected to the dark cloud. The dark cloud has a mass of about 2,500 solar masses. The catalogue name of the dark cloud comes from the astronomer Ed...
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U Scorpii
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Novae explode without warning, and even recurrent novae are pretty unpredictable. (For instance, we've been waiting way too long for T Pyxidis to erupt again But here's a prediction about a recurrent nova that should go off in a specific year: 2009. I've calculated that the recurrent nova U Scorpii...
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Eridanus-Phoenix Stellar Overdensity
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Title: Discovery of a Stellar Overdensity in Eridanus-Phoenix in the Dark Energy Survey Author: T. S. Li, E. Balbinot, N. Mondrik, J. L. Marshall, B. Yanny, K. Bechtol, A. Drlica-Wagner, D. Oscar, B. Santiago, J. D. Simon, A. K. Vivas, A. R. Walker, M. Y. Wang, T. M. C. Abbott, F. B. Abdalla, A. Benoit-...
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Phoenix stream
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Title: The Phoenix stream: a cold stream in the Southern hemisphere Author: E. Balbinot, B. Yanny, T. S. Li, B. Santiago, J. L. Marshall, D. A. Finley, A. Pieres, T. M. C. Abbott, F. B. Abdalla, S. Allam, A. Benoit-Lévy, G. M. Bernstein, E. Bertin, D. Brooks, D. L. Burke, A. Carnero Rosell, M. Carrasco K...
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Arches cluster
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Title: Proper motions of the Arches cluster with Keck-LGS Adaptive Optics: the first kinematic mass measurement of the Arches Authors: Will Clarkson, Andrea Ghez, Mark Morris, Jessica Lu, Andrea Stolte, Nate McCrady, Tuan Do, Sylvana Yelda We report the first detection of the intrinsic velocit...
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Geminga & PSR B0656+14
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Title: Subaru optical observations of the two middle-aged pulsars PSR B0656+14 and Geminga
Authors: Yuri A. Shibanov (1), Sergei V. Zharikov (2), Viktoria N. Komarova (3), Nobuyuki Kawai (4), Yuji Urata (5), Alexey B. Koptsevich (1), Vladimir V. Sokolov (3), Shinpei Shib...
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FU Orionis
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The magnetic fields surrounding a young star have been detected for the first time.
This discovery confirms models of how such stars grow.
Theoretical models predict that the magnetic fields in a dusty disc surrounding a young star will slow the disc's rotation, and allow dust to fall onto the s...
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