NGC 7444
Galaxy NGC 7444 |
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AladinLite | |
Constellation | Aquarius |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 23 h 00 m 08.9 s |
declination | -12 ° 50 ′ 03 ″ |
Appearance | |
Morphological type | SB (r) 0 ^ / sp |
Brightness (visual) | 12.9 mag |
Brightness (B-band) | 13.9 likes |
Angular expansion | 1.7 ′ × 0.6 ′ |
Position angle | 1 ° |
Surface brightness | 12.8 mag / arcmin² |
Physical data | |
Affiliation | LGG 468 |
Redshift | 0.010494 +/- 0.000150 |
Radial velocity | 3146 +/- 45 km / s |
Stroke distance v rad / H 0 |
(145 ± 10) · 10 6 ly (44.4 ± 3.2) Mpc |
history | |
discovery | William Herschel |
Discovery date | October 3, 1785 |
Catalog names | |
NGC 7444 • PGC 70219 • MCG -02-58-016 • 2MASX J23000897-1250034 • GC 4877 • H II 451 • h 2198 • LDCE 1549 NED002 |
NGC 7444 is a lenticular galaxy of Hubble type S0 in the constellation Aquarius on the ecliptic . It is estimated to be 145 million light years away from the Milky Way and has a diameter of around 70,000 ly.
It is likely to form a gravitationally bound pair of galaxies with NGC 7443 .
The object was discovered by Wilhelm Herschel on October 3, 1785 .