| 3C 345 | |
|---|---|
 Image of 3C 345 by the Hubble Space Telescope | |
| Observation data (Epoch J2000) | |
| Constellation | Hercules |
| Right ascension | 16h 42m 58.8s[1] |
| Declination | +39° 48′ 37″[1] |
| Redshift | 0.5934 [1] |
| Distance | 5.497 Gly |
| Type | Opt.var.;HPQ, FSRQ |
| Apparent magnitude (V) | 16.6[1] |
| Notable features | superluminal jet |
| Other designations | |
| 4C +39.48, LEDA 084767[1] | |
| See also: Quasar, List of quasars | |
3C 345 is a blazar/flat spectrum radio quasar located in the constellation of Hercules. It is noted for hosting a superluminal jet[3] and its variability in almost all wave bands.
- ^ a b c d e "NASA/IPAC Extragalactic Database". Results for 3C 345. Retrieved 2023-06-29.
- ^ Pötzl, F. M.; Lobanov, A. P.; Ros, E.; Gómez, J. L.; Bruni, G.; Bach, U.; Fuentes, A.; Gurvits, L. I.; Jauncey, D. L.; Kovalev, Y. Y.; Kravchenko, E. V.; Lisakov, M. M.; Savolainen, T.; Sokolovsky, K. V.; Zensus, J. A. (April 2021). "Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron: IV. The quasar 3C 345 at 18 cm: Magnetic field structure and brightness temperature". Astronomy & Astrophysics. 648: A82. arXiv:2102.04441. Bibcode:2021A&A...648A..82P. doi:10.1051/0004-6361/202039493.
- ^ Zensus, J. A.; Cohen, M. H.; Unwin, S. C. (April 1995). "The Parsec-scale jet in quasar 3C 345". The Astrophysical Journal. 443: 35. Bibcode:1995ApJ...443...35Z. doi:10.1086/175501.