NGC 5882 is a small planetary nebula in the southern constellation of Lupus, positioned about 1.5° to the southwest of the star Epsilon Lupi. It was discovered...
5 KB (507 words) - 15:39, 19 March 2023
104% the mass of and 111% the radius of the Sun. It has a temperature of 5757 K and is roughly 6 billion years old. In comparison, the Sun is about 4.6...
13 KB (1,189 words) - 08:01, 9 May 2024
John Herschel. The French astronomer Abbé Lacaille listed NGC 104, NGC 4833, M 55, M 69, and NGC 6397 in his 1751–1752 catalogue. The low resolution of early...
105 KB (11,846 words) - 23:21, 17 July 2024
the technique of reverberation mapping. For instance, the spiral galaxy NGC 4395 at a distance of about 4 Mpc appears to contain a black hole with mass...
26 KB (3,006 words) - 02:50, 18 July 2024
NGC 5792 is a barred spiral galaxy about 70 million light-years away in the constellation Libra. There is a magnitude 9.6 star on the northwestern edge...
3 KB (178 words) - 01:57, 14 September 2023
Region Cygnus OB2". The Astrophysical Journal. 773 (2): 135. arXiv:1306.5757. Bibcode:2013ApJ...773..135G. doi:10.1088/0004-637X/773/2/135. hdl:10871/22086...
25 KB (2,575 words) - 16:46, 18 July 2024
NGC 5822 is an open cluster of stars in the southern constellation of Lupus. It was discovered by English Astronomer John Herschel on July 3, 1836, and...
6 KB (529 words) - 22:23, 2 December 2023
27.76 0.94 5577 79 Ceti b 0.26 75.523 0.36 radial vel. 2000 123.39 1.11 5757 81 Ceti b 5.3 952.7 2.5 radial vel. 2008 331.16 2.4 4785 83 Leonis Bb 0.07...
54 KB (1,031 words) - 12:21, 18 July 2024
19475+3119 IRAS 20324+4057 Kronberger 61 M1-92 NGC 6826 NGC 6881 NGC 6884 NGC 7008 NGC 7026 NGC 7027 NGC 7048 Soap Bubble Nebula WR Crescent Nebula SNR...
6 KB (292 words) - 13:47, 27 May 2024