In the Vinony graph
Within Vinony's link graph, NGC 721 is referenced by 984 other articles, and connects out to list of NGC objects (1–1000), epoch and NGC 241.
It sits within the topics Andromeda (constellation), Barred spiral galaxies and Discoveries by Heinrich Louis d'Arrest.
Its subject is documented across 31 Wikipedia language editions.
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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via Wikidata sitelinks · CC0
Connections
list of NGC objects (1–1000)
Entity
epoch
Entity
NGC 241
Entity
NGC 945
Entity
Milky Way
Entity
light-year
Entity
constellation
Entity
Andromeda Galaxy
Entity
digital object identifier
Entity
Andromeda
Entity
astronomer
Entity
parsec
Entity
redshift
Entity
apparent magnitude
Entity
right ascension
Entity
Triangulum Galaxy
Entity
declination
Entity
New General Catalogue
Entity
Small Magellanic Cloud
Entity
bibcode
Entity