Astronomical data · SIMBAD
- Object type
- LIN
- Redshift
- z = 0.0029764858025176366
- Morphology
- Sa
- Coordinates
- RA 185.3037° · Dec 18.3824°
via SIMBAD · CDS Strasbourg
Key facts
- Constellation
- Coma Berenices
- Right ascension
- 12 21 12.891
- Declination
- +18 ° 22 ′ 56.64 ″
- Distance
- 54 Mly (16.5 Mpc )
- Group or cluster
- Virgo Cluster
- Type
- (R)SB(s)0/a
- Apparent size v
- 5.293′ × 1.800′
via Wikipedia infobox
Wikidata facts
- Instance of
- galaxy
- Constellation
- Coma Berenices
- Distance from Earth
- 19.39
- Image
- Ngc4293-hst-606.png
Show 11 more facts
- radial velocity
- 931
- catalog code
- [SLK2004] 684
- Commons category
- NGC 4293
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1784-03-14
- apparent magnitude
- 10.807
- redshift
- 0.002979
- right ascension
- 185.3037125
- declination
- 18.3824000
- epoch
- J2000.0
- galaxy morphological type
- Sa
via Wikidata · CC0
~2 min read
Encyclopedic overview
NGC 4293 is a lenticular galaxy in the northern constellation of Coma Berenices. It was discovered by English astronomer William Herschel on March 14, 1784, who described it as "large, extended, resolvable, 6 or 7′ long". This galaxy is positioned to the north-northwest of the star 11 Comae Berenices and is a member of the Virgo Cluster of galaxies. It is assumed to lie at the same distance as the Virgo Cluster itself: around 54 million light years away. The galaxy spans an apparent area of 5.3 × 3.1 arc minutes.
The morphological classification of NGC 4293 is (R)SB(s)0/a, with the SB0/a indicating this has just distinguishable tightly wound spiral arms with a bar structure at the nucleus. An '(s)' notation means that this galaxy does not have a ring-like structure around the nucleus. Star formation within NGC 4293 is only taking place within a confined region at the center of the galaxy. The outer stellar disk of the galaxy appears disturbed, suggesting some form of gravitational interaction.
Excerpted from Wikipedia’s “NGC 4293” article, available under the CC BY-SA 4.0 licence.
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