Astronomical data · SIMBAD
- Object type
- AG?
- Redshift
- z = 0.01884715915680757
- Morphology
- SBbc
- Coordinates
- RA 28.6894° · Dec 39.3835°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Key facts
- Constellation
- Andromeda
- Right ascension
- 01 54 45.45687
- Declination
- +39 ° 23 ′ 00.7702 ″
- Heliocentric radial velocity
- 5514 km/s
- Distance
- 182.6 Mly (55.98 Mpc )
- Type
- SB(rs)bc
via Wikipedia infobox
Wikidata facts
- Instance of
- spiral galaxy
- Constellation
- Andromeda
- Distance from Earth
- 56.5
- Image
- NGC 0721 DSS.jpg
Show 11 more facts
- catalog code
- Gaia DR2 344007437094578304
- time of discovery or invention
- 1862-08-27
- discoverer or inventor
- Heinrich Louis d'Arrest
- redshift
- 0.018566
- apparent magnitude
- 10.436
- radial velocity
- 5594
- galaxy morphological type
- SBb
- right ascension
- 28.68940362074670
- declination
- 39.38354730548450
- epoch
- J2000.0
- Commons category
- NGC 721
Sources (1)
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 721 is a barred spiral galaxy located in the constellation Andromeda about 250 million light years from the Milky Way. It was discovered by the Prussian astronomer Heinrich d'Arrest in 1862.
See also
Excerpted from Wikipedia’s “NGC 721” article, available under the CC BY-SA 4.0 licence.
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