3C 171
| 3C 171 | |
|---|---|
| File:3C 171 cutout HST 05476 2l wfpc2 f702w pc sci.jpg 3C 171 by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Lynx |
| Right ascension | 06h 55m 14.7s[1] |
| Declination | +54° 08′ 89″[1] |
| Redshift | 0.238400[2] |
| Distance | 930 megaparsecs (3.0×109 ly) h−1 0.73[2] |
| Apparent magnitude (V) | 19.08[1] |
| Characteristics | |
| Type | Sy2, Rad, AGN, QSO, G[1] G, FR II, Sy 2[2] |
| Other designations | |
| LEDA 2817570, 3C 171, 4C +54.11, QSO B0651+542 | |
3C 171 is a Seyfert galaxy located in the constellation Lynx, classfied as a radio galaxy, containing an extended emission-line region.[3][4] It is also a relatively isolated galaxy, not belonging to any other rich galaxy clusters.[5]
The inner regions of 3C 171 is said to be similar to an ordinary Fanaroff-Riley Class 2, but instead of radio lobes, it contains low-surface brightness plumes.[4] Using the multi-radio-frequency study, the plumes of 3C 171 are shown to flow in a reverse direction from both the primary and secondary hotspots, found separated. In one of the plumes located north-west, the region shows enhanced brightness, making it a quasi-hotspot.[6] Further evidence also points the emission lines in 3C 171 are made up of plasma, hinting the gas might be cooling.[7]
See also
[edit | edit source]References
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External links
[edit | edit source]
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