group include NGC 917, NGC 931, NGC 940, NGC 969, NGC 974, NGC 978, NGC 987, NGC 983, NGC 1060, NGC 1066, NGC 1067, and UGC 2105. NGC 973 forms a pair...
10 KB (909 words) - 13:17, 18 July 2024
NGC 2336 is a barred spiral galaxy located in the constellation Camelopardalis. It is located at a distance of circa 100 million light years from Earth...
10 KB (1,124 words) - 22:14, 6 December 2024
NGC 3949 is an unbarred spiral galaxy in the constellation Ursa Major, approximately 50 million light-years away from the Earth. It was discovered by...
4 KB (247 words) - 06:49, 8 December 2024
NGC 3938 is an unbarred spiral galaxy in the Ursa Major constellation. It was discovered on 6 February 1788 by William Herschel. It is one of the brightest...
8 KB (590 words) - 21:45, 27 November 2024
NGC 3593 is a lenticular galaxy located in the constellation Leo. It has a morphological classification of SA(s)0/a, which indicates it is a lenticular...
8 KB (593 words) - 13:40, 6 September 2024
NGC 3599 is a lenticular galaxy located in the constellation Leo. It was discovered by William Herschel on March 14, 1784. The galaxy is located at a...
8 KB (582 words) - 00:27, 25 August 2024
NGC 3877 is a type Sc spiral galaxy that was discovered by William Herschel on February 5, 1788. It is located below the magnitude 3.7 star Chi Ursae...
5 KB (303 words) - 06:03, 8 December 2024
NGC 3686 is a spiral galaxy that forms with three other spiral galaxies, NGCs 3681, 3684, and 3691, a quartet of galaxies in the Leo constellation. It...
5 KB (360 words) - 12:32, 8 September 2023
NGC 3818 is an elliptical galaxy in the constellation Virgo. It is at a distance of about 118 million light-years away from Earth. In the center of NGC...
5 KB (309 words) - 21:38, 3 November 2024
NGC 3607 is a small but fairly bright lenticular galaxy in the equatorial constellation of Leo, about 2.5° south of the prominent star Delta Leonis. The...
10 KB (703 words) - 12:19, 18 July 2024
Supernova remnant in X-ray light SN 2006gy (upper right) and parent galaxy NGC 1260 CXO orbit as of January 7, 2014 M31 Core in X-ray light PSR B1509-58...
38 KB (3,731 words) - 21:14, 3 December 2024
detailing observations of wind temperature variations around AGN IRAS 13224−3809. By detecting periodic absences of absorption lines in the X-ray spectrum...
31 KB (2,971 words) - 17:51, 9 October 2024
b 2.276 61.117 0.211 0.0324 83.929 1998 Gliese 581d 0.026 66.800 0.218 0.3809 58.257 2007 HD 20794 d 0.015 90.309 0.388 0.0143 2011 Gliese 876 e 0.046...
36 KB (287 words) - 01:50, 3 December 2024
astronomy Crab (unit) Gamma-ray astronomy History of X-ray astronomy IRAS 13224-3809 List of X-ray space telescopes Solar X-ray astronomy Stellar X-ray astronomy...
65 KB (8,115 words) - 13:32, 13 April 2024