NGC 2903 is an isolated barred spiral galaxy in the equatorial constellation of Leo, positioned about 1.5° due south of Lambda Leonis. It was discovered...
10 KB (846 words) - 00:20, 3 December 2023
NGC 2800, also known as PGC 26302, is an elliptical galaxy in the constellation Ursa Major. It was discovered February 17, 1831 by William Herschel. Skrutskie...
3 KB (190 words) - 20:24, 12 August 2023
NGC 2950 is a lenticular galaxy in the northern constellation of Ursa Major, about 50 million light years from the Milky Way and receding with a heliocentric...
9 KB (501 words) - 21:01, 21 October 2023
NGC 2509 is an open cluster in the constellation of Puppis. It was discovered on 3 December 1783 by William Herschel. It was described as "bright, pretty...
3 KB (286 words) - 21:06, 28 June 2023
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 (3,027 words) - 05:46, 13 August 2024
NGC 2803, also known as PCG 26181, is an elliptical or lenticular galaxy in the zodiac constellation Cancer. It was discovered March 21, 1784, by William...
3 KB (199 words) - 17:51, 18 January 2024
3154 241 66358 39251 08h 01m 37.53s −37° 17′ 01.4″ 5.90 −0.41 595 A3IV HR 2960 141 61774 37364 07h 40m 13.53s −19° 39′ 39.2″ 5.92 −0.80 720 K0III HD 41742...
43 KB (229 words) - 22:10, 28 July 2024
the Universe". Physical Review D. 28 (12): 2960. Bibcode:1983PhRvD..28.2960H. doi:10.1103/PhysRevD.28.2960. S2CID 121947045. Friedrich, Helmut (1986)...
140 KB (14,006 words) - 22:30, 12 August 2024
2933 2937 (f) 2940 (y2) 2945 2948 (k1) 2949 (k2) 2954 (e) 2955 2956 2959 2960 2961 (d1) 2963 (d2) 2964 (d3) 2976 2981 2984 2988 2994 2998 3001 3002 (W)...
12 KB (1,001 words) - 08:20, 13 August 2023
Radius 0.631±0.042 R☉ Luminosity (bolometric) 0.0273±0.0020 L☉ Temperature 2960±75 K Rotation 1.63 days Age 10 Myr Other designations UScoCTIO 48, 2MASS...
7 KB (435 words) - 19:44, 17 July 2024