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EntityQ1168926· pop 31· linked from 348 articles

galaxy

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

~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.