Key facts
- Constellation
- Leo
- Right ascension
- 11 43 58.9
- Declination
- 20 ° 04 ′ 37 ″
- Heliocentric radial velocity
- 7372 km/s
- Distance
- 318 Mly (97.5 Mpc )
- Group or cluster
- Leo Cluster
- Type
- Sa
- Size
- ~105,400 ly (32.32 kpc ) (estimated)
- Apparent size v
- 1.1 x 0.8
via Wikipedia infobox
Wikidata facts
- Instance of
- spiral galaxy
- Constellation
- Leo
- Distance from Earth
- 107.04
- Image
- SDSS NGC 3840.jpg
Show 11 more facts
- discoverer or inventor
- Heinrich Louis d'Arrest
- catalog code
- LEDA 36477
- Commons category
- NGC 3840
- time of discovery or invention
- 1864-05-08
- apparent magnitude
- 10.894
- galaxy morphological type
- S...
- redshift
- 0.024577
- right ascension
- 175.99568487546950
- declination
- 20.07702951484480
- radial velocity
- 7270
- epoch
- J2000.0
Sources (1)
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 3840 is a spiral galaxy located about 320 million light-years away in the constellation Leo. The galaxy was discovered by astronomer Heinrich d'Arrest on May 8, 1864. NGC 3840 is a member of the Leo Cluster. The galaxy is rich in neutral atomic hydrogen (H I) and is not interacting with its environment.
NGC 3840 is likely to be a low-luminosity AGN (LLAGN).
Excerpted from Wikipedia’s “NGC 3840” article, available under the CC BY-SA 4.0 licence.
Available in 29 languages
- Français
- Deutsch
- 中文
- Русский
- Português
- العربية
- Azerbaijani
- Basque
- Belarusian
- Bosnian
- Chechen
- Croatian
- Egyptian Arabic
- Esperanto
- Greek
- Kazakh
- Macedonian
- Nederlands
via Wikidata sitelinks · CC0