NGC 697
Galaxy NGC 674 / NGC 697 |
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NGC 697, SDSS image | |
AladinLite | |
Constellation | Aries |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 01 h 51 m 17.57 s |
declination | + 22 ° 21 ′ 28.7 ″ |
Appearance | |
Morphological type | SAB (r) c: |
Brightness (visual) | 12 likes |
Brightness (B-band) | 12.8 mag |
Angular expansion | 4 ′ × 1.3 ′ |
Position angle | 105 ° |
Surface brightness | 13.6 mag / arcmin² |
Physical data | |
Affiliation |
NGC 691 group LGG 34 |
Redshift | 0.010307 ± 0.000007 |
Radial velocity | 3090 ± 2 km / s |
Stroke distance v rad / H 0 |
(143 ± 10) · 10 6 ly (43.8 ± 3.1) Mpc |
history | |
discovery | William Herschel |
Discovery date | September 15, 1784 |
Catalog names | |
NGC 674 • 697 • UGC 1317 • PGC 6848 • MCG + 04-05-022 • IRAS 1485 + 2206 • 2MASX J01511756 + 2221286 • GC 398/416 • H III 179 • HIPASS J0151 + 22 • LDCE 109 NED006 |
NGC 674 = NGC 697 is a bar-spiral galaxy of the Hubble type SBbc in the constellation Aries on the ecliptic . It is an estimated 143 million light-years away from the Milky Way and about 165,000 light-years across . She is a member of the ten galaxies NGC 691 group ( LGG 34 ).
In the same area of the sky are u. a. the galaxies NGC 694 , NGC 695 , IC 167 , IC 1730 .
The object was discovered on September 15, 1784 by William Herschel (listed as NGC 697 ) and on December 2, 1861 by Heinrich d'Arrest ( cataloged as NGC 674 ).