| PKS 2131-021 | |
|---|---|
 PKS 2131-021 as seen with DESI Legacy Surveys | |
| Observation data (J2000.0 epoch) | |
| Constellation | Aquarius |
| Right ascension | 21h 34m 10.31s |
| Declination | −01° 53′ 17.24″ |
| Redshift | 1.285[1] |
| Heliocentric radial velocity | 385,233 km/s[1] |
| Apparent magnitude (V) | 18.67[1] |
| Characteristics | |
| Type | FRSQ;BLLAC, HPQ[1] |
| Other designations | |
| 4C -02.81, MRC 2131-021, PGC 2818139, OX -053, IRCF J213410.3-015317, 2FGL J2133.8-0154 | |
PKS 2131-021 is a quasar and a BL Lacerate object,[2] producing an astrophysical jet.[3] lt is located in the constellation Aquarius and classified as a blazar, a type of active galactic nucleus whose relativistic jet points in the direction towards Earth.
- ^ a b c d Cite error: The named reference
NEDwas invoked but never defined (see the help page). - ^ Sbarufatti, B.; Treves, A.; Falomo, R.; Heidt, J.; Kotilainen, J.; Scarpa, R. (2006-07-01). "ESO Very Large Telescope Optical Spectroscopy of BL Lacertae Objects. II. New Redshifts, Featureless Objects, and Classification Assessments". The Astronomical Journal. 132 (1): 1–19. arXiv:astro-ph/0601506. Bibcode:2006AJ....132....1S. doi:10.1086/503031. ISSN 0004-6256.
- ^ Liu, F. K.; Zhang, Y. H. (2002-01-01). "A new list of extra-galactic radio jets". Astronomy and Astrophysics. 381 (3): 757–760. arXiv:astro-ph/0212477. Bibcode:2002A&A...381..757L. doi:10.1051/0004-6361:20011572. ISSN 0004-6361.