Astronomical data · SIMBAD
- Object type
- LIN
- Redshift
- z = 0.01335
- Morphology
- Sab
- Coordinates
- RA 354.6717° · Dec 15.9547°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Key facts
- Constellation
- Pegasus
- Right ascension
- 23 38 41.2192
- Declination
- +15 ° 57 ′ 17.207 ″
- Redshift
- 0.013 353 ± 0.000 006 67
- Heliocentric radial velocity
- 4,003 ± 2 km/s
- Distance
- 175.0 ± 12.3 Mly (53.67 ± 3.78 Mpc )
- Group or cluster
- NGC 7711 group (LGG 477)
- Apparent magnitude v
- 13.3g
- Type
- S0/a
- Size
- ~122,600 ly (37.58 kpc ) (estimated)
- Apparent size v
- 1.69′ × 1.19′
via Wikipedia infobox
Wikidata facts
- Instance of
- low-ionization nuclear emission-line region
- Constellation
- Pegasus
- Distance from Earth
- 54.58
- Image
- Dark rings and new light (potm2601a).jpg
Show 11 more facts
- redshift
- 0.013429
- time of discovery or invention
- 1864-08-12
- discoverer or inventor
- Heinrich Louis d'Arrest
- galaxy morphological type
- SAab
- apparent magnitude
- 14.939
- catalog code
- SDSS J233841.20+155716.6
- right ascension
- 354.6716292
- declination
- 15.9548472
- Commons category
- NGC 7722
- radial velocity
- 3987
- epoch
- J2000.0
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 7722 is a lenticular galaxy in the constellation of Pegasus. Its velocity with respect to the cosmic microwave background is 3,639±26 km/s, which corresponds to a Hubble distance of 175.0 ± 12.3 Mly (53.67 ± 3.78 Mpc). It was discovered by German astronomer Heinrich Louis d'Arrest on 12 August 1864.
NGC 7722 is a LINER galaxy, i.e. a galaxy whose nucleus has an emission spectrum characterized by broad lines of weakly ionized atoms.
Excerpted from Wikipedia’s “Q1168926” article, available under the CC BY-SA 4.0 licence.
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