NGC 524 is a lenticular galaxy in the constellation Pisces. It is at a distance of about 90 million light-years away from Earth. In the central bulge...
3 KB (209 words) - 08:02, 23 August 2024
NGC 5247 is a face-on unbarred spiral galaxy located some 60 million light years away in the constellation Virgo. It is a member of the Virgo II Groups...
6 KB (413 words) - 08:02, 23 August 2024
galaxies, including M51 (Arp 85), Arp 220, and the Antennae Galaxies (NGC 4038/NGC 4039, or Arp 244). A few of the galaxies are simply dwarf galaxies that...
72 KB (4,868 words) - 00:29, 10 September 2024
of the Royal Astronomical Society: Letters. 396 (1): L21–L25. arXiv:0903.5222. Bibcode:2009MNRAS.396L..21V. doi:10.1111/j.1745-3933.2009.00654.x. S2CID 14666975...
239 KB (10,364 words) - 04:37, 28 September 2024
NGC 5364 is a grand design spiral galaxy located 54.5 million light years away in the constellation Virgo. It is inclined to the line of sight from the...
8 KB (611 words) - 20:31, 6 November 2023
rotating disk. The authors constrain the outer radius of the gaseous disk to 1.2 R☉. The authors also find absorption due to magnesium. Additional elements...
16 KB (1,631 words) - 06:49, 20 September 2024
type is. The amount of mass being transferred between the two stars is about 2 × 10−5 solar masses per year, or the equivalent of the Sun's mass every 50...
29 KB (2,698 words) - 06:04, 21 August 2024
ABELL:36 CON: VIR PNG# / OTHER: 318.4+41.4 MAG1: 11.8 MAG2: 11.5 SIZE: 6.2 RA: 13 40 41.3 DEC: -19 52 57 URA2: 149 Nemiroff, R.; Bonnell, J., eds. (30...
6 KB (561 words) - 15:55, 13 May 2024
the habitable zone of its star. From L = 4 π R 2 σ T e f f 4 {\displaystyle {\begin{smallmatrix}L=4\pi R^{2}\sigma T_{\rm {eff}}^{4}\end{smallmatrix}}} ...
6 KB (558 words) - 11:59, 21 September 2024
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357...
8 KB (579 words) - 04:38, 21 August 2024