SDSS J140821.67+025733.2
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| SDSS J140821.67+025733.2 | |
|---|---|
| Observation data (Epoch ) | |
| Constellation | Virgo |
| Right ascension | 14h 08m 21.7s[1] |
| Declination | +02° 57′ 33″[1] |
| Redshift | 2.061186±0.000820[1] |
| Distance | 5.19 Gpc (1.69×1010 ly)[1] |
| Type | Quasar[1] |
| Apparent magnitude (V) | 17.9[1] |
| Notable features | Biggest known black hole |
| Other designations | |
| 2MASS J14082169+0257340，LQAC 212+002 003[1] | |
| See also: Quasar, List of quasars | |
SDSS J140821.67+025733.2 is a distant and luminous quasar[2][1] located near the celestial equator in the constellation Virgo. It contains one of the most massive known black holes, weighing 196 billion times the mass of the Sun (M☉).[3] The Schwarzschild diameter of this black hole is about 1.16 petametres (7,800 AU; 0.123 ly), which is about 98 times the diameter of Pluto's orbit. The quasar's luminosity is about 5.6×1013 L☉.[3]
References[edit]
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "NED results for object SDSS J140821.67+025733.2". NASA/IPAC EXTRAGALACTIC DATABASE.
- ↑ "Query : [VV2006] J140821.7+025733". Simbad. Centre de Données astronomiques de Strasbourg.
- ↑ 3.0 3.1 KOZLOWSKI, S. (2017). "Virial black hole mass estimates for 280,000 AGNs from the SDSS broadband photometry and single-epoch spectra". The Astrophysical Journal. 228: 9. arXiv:1609.09489. Bibcode:2017ApJS..228....9K. doi:10.3847/1538-4365/228/1/9.
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