Messier 88
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| Spiral Galaxy Messier 88 | |
| Observation data Epoch J2000 |
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| Constellation | Coma Berenices |
| Right ascension | 12h 31m 59.2s[1] |
| Declination | +14° 25′ 14″[1] |
| Apparent dimension (V) | 6.9 × 3.7 moa[1] |
| Apparent magnitude (V) | 10.4[1] |
| Characteristics | |
| Type | SA(rs)b, HII Sy2[1] |
| Astrometry | |
| Heliocentric radial velocity | 2281 ± 3[1]km/s |
| Redshift | 0.007609 ± 0.000010[1] |
| Galactocentric velocity | 2235 ± 4 km/s |
| Distance | 47 ± 8 Mly (14.41 ± 2.45 Mpc) |
| Other designations | |
| Database references | |
| SIMBAD | Search M88 data
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| See also: Galaxy, List of galaxies | |
Messier 88 (also known as M88 or NGC 4501) is a spiral galaxy about 50 to 60 million light-years away[2][3][4] in the constellation Coma Berenices. It was discovered by Charles Messier in 1781.
Properties
M88 is one of the fifteen Messier objects that belong to the nearby Virgo Cluster of galaxies. It is galaxy number 1401 in the Virgo Cluster Catalogue (VCC) of 2096 galaxies that are candidate members of the cluster.[5] M88 may be on a highly elliptical orbit that is carrying it toward the cluster center, which is occupied by the giant elliptical galaxy M87. It is currently 0.3–0.48 million parsecs from the center and will come closest to the core in about 200–300 million years. The motion of M88 through the intergalactic medium of the Virgo cluster is creating ram pressure that is stripping away the outer region of neutral hydrogen. This stripping has already been detected along the western, leading edge of the galaxy.[6]
This galaxy is inclined to the line of sight by 64°.[7] It is classified as an Sbc spiral, which lies between the Sb and Sc categories of medium-wound and loosely wound spiral arms, respectively. The arm structure of the spirals is very regular and can be followed down to the galactic core.[8] The maximum rotation velocity of the gas is 241.6 ± 4.5 km/s.[9]
M88 is also classified as a type 2 seyfert galaxy, which means it produces narrow spectral line emission from highly ionized gas in the galactic nuclei.[10] In the core region there is a central condensation with a 230 parsec diameter, which has two concentration peaks. This condensation is being fed by inflow from the spiral arms.[11] The supermassive black hole at the core of this galaxy has 107.9 solar masses, or about 80 million times the mass of the Sun.[12]
In 1999, supernova 1999cl was discovered in this galaxy.[13]
See also
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References
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External links
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Wikimedia Commons has media related to [[commons:Lua error in Module:WikidataIB at line 506: attempt to index field 'wikibase' (a nil value).|Lua error in Module:WikidataIB at line 506: attempt to index field 'wikibase' (a nil value).]]. |
- Messier 88 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Coordinates: 
12h 31m 59.2s, +14° 25′ 14″
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