Key facts
- Constellation
- Aquarius
- Right ascension
- 22 01 02.012
- Declination
- −13 ° 16 ′ 10.901 ″
- Heliocentric radial velocity
- 2719 ± 6 km/s
- Distance
- 114.9 ± 8.1 Mly (35.22 ± 2.49 Mpc )
- Type
- SB(rs)b
- Size
- ~97,600 ly (29.93 kpc ) (estimated)
- Apparent size v
- 2.6′ × 1.5′
via Wikipedia infobox
Wikidata facts
- Constellation
- Aquarius
- Distance from Earth
- 43.6
- Image
- NGC 7171 legacy dr10.jpg
Show 11 more facts
- apparent magnitude
- 9.311
- redshift
- 0.009070
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1787-08-12
- catalog code
- Gaia DR2 6840594584138801280
- galaxy morphological type
- Sb
- right ascension
- 330.25838241262760
- declination
- -13.26978581487450
- radial velocity
- 2696
- epoch
- J2000.0
- Commons category
- NGC 7171
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 7171 is a barred spiral galaxy in the constellation of Aquarius. Its velocity with respect to the cosmic microwave background is 2388 ± 24 km/s, which corresponds to a Hubble distance of 35.22 ± 2.49 Mpc (~115 million light-years). It was discovered by German–British astronomer William Herschel on 12 August 1787.
According to the SIMBAD database, NGC 7171 is an active Seyfert II galaxy.
Excerpted from Wikipedia’s “Q1149985” article, available under the CC BY-SA 4.0 licence.