NGC 4526
| NGC 4526 | |
|---|---|
Supernova SN 1994D (lower left) in the outskirts of NGC 4526
|
|
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 12h 34m 03.029s[1] |
| Declination | +07° 41′ 56.90″[1] |
| Redshift | 0.001494±0.000027 |
| Helio radial velocity | 448±8 km/s[2] |
| Distance | 55±5 Mly (16.9±1.6 Mpc)[3] |
| Type | SAB(s)0°[4] |
| Apparent dimensions (V) | 7′.2 × 2′.4[2] |
| Apparent magnitude (V) | 10.7[2] |
| Other designations | |
| NGC 4560,[2] UGC 7718,[2] PGC 41772[2] | |
NGC 4526 is a lenticular galaxy in the Virgo constellation that is seen nearly edge-on. The morphological classification is SAB(s)0°,[4] which indicates a lenticular structure with a weak bar across the center and pure spiral arms without a ring.[5] It belongs to the Virgo cluster and is one of the brightest known lenticular galaxies.[4] The inner nucleus of this galaxy displays a rise in stellar orbital motion that indicates the presence of a central dark mass. The best fit model for the motion of molecular gas in the core region suggests there is a supermassive black hole with about 4.5+4.2
−3.0×108 (450 million) times the mass of the Sun.[6] This is the first object to have its black-hole mass estimated by measuring the rotation of gas molecules around its centre with an Astronomical interferometer (in this case the Combined Array for Research in Millimeter-wave Astronomy).
Supernova SN 1969E was discovered in this galaxy in 1969, reaching a peak magnitude of 16.[7] In 1994, a Type 1a supernova was discovered about two weeks before reaching peak brightness. Designated SN 1994D, it was caused by the explosion of a white dwarf star composed of carbon and oxygen.[8]
Contents
Gallery
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The whirling disc of NGC 4526.jpg
NGC 4526 spins at more than 250 kilometres per second.[9]
See also
References
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- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
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