* Astronomy

ATel 10513: WiFeS Classification of KSN 2017B/AT2017ejc as a Type Ia Supernova

Sunspots 12662 and 12663 captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Asteroid (346) Hermentaria is at Opposition at 05:40 UT, 5th March, 2011. Distance to Sun=3.004 AU Distance to Earth=2.028 AU Magnitude=11.4 mag Elongation=167.6° Ephemeris Date RA (J2000) Dec Con Mag 2011 h m s o ' " Mar 5 11:21:37.1 +17:37:46 Leo 11.4

Asteroid (28) Bellona is at Opposition at 03:30 UT, 14th January, 2011. Distance to Sun=2.370 AU Distance to Earth=1.393 AU Magnitude=10.0 mag Elongation=171.7°

Title: The Kilometre-Sized Main Belt Asteroid Population as Revealed by Spitzer Authors: Erin Lee Ryan, Donald R. Mizuno, Sachindev S. Shenoy, Charles E. Woodward, Sean Carey, Alberto Noriega-Crespo, Kathleen E. Kraemer, Stephan D. Price Multi-epoch Spitzer Space Telescope 24 micron data is...

China has completed creating a lunar rover, which will be sent to the moon by the Chang'e-3 lunar orbiter in 2013, the People's Daily Overseas Edition reported Tuesday. Read more

Domestic cats around the world can trace their origins back to the Middle East's Fertile Crescent, according to a genetic study in Science journal. They may have been domesticated by early farming communities, experts say. The study suggests the progenitors of today's cats split from their wild c...

ATel 10511: MASTER-OAFA: new OT

ATel 10509: ASASSN-17ho and ASASSN-17hq: Discovery of Two Probable Supernovae

ATel 10508: ASASSN-17hp: Discovery of A Probable Supernova in ESO 575-G066

Title: Coreless Terrestrial Exoplanets Authors: L. Elkins-Tanton, S. Seager (MIT) Differentiation in terrestrial planets is expected to include the formation of a metallic iron core. We predict the existence of terrestrial planets that have differentiated but have no metallic core--planet...

Parents all over the country just lost their street "cred" this week. We can never again utter the words "don't litter" to our offspring with the same authority. If the kids toss a used napkin out a window, drop a cup or piece of paper on the ground, or leave their remains from a pic...

Swiss supercomputer edges US out of top spot For only the second time in 24 years, the US has been edged out of the top flight of the world's most powerful number-crunchers. An upgrade to a Swiss supercomputer has bumped the US Department of Energy's Cray XK7 to number four on the list rating these machi...

Photomosaic captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Title: KIC 8164262: a Heartbeat Star Showing Tidally Induced Pulsations with Resonant Locking Author: K. Hambleton, J. Fuller, S. Thompson, A. Pra, D. W. Kurtz, A. Shporer, H. Isaacson, A. W. Howard, M. Endl, W. Cochran, S. J. Murphy We present the analysis of KIC 8164262, a heartbeat star with a pro...