NGC 5698
| NGC 5698 | |
|---|---|
 NGC 5698 imaged by Legacy Surveys | |
| Observation data (J2000 epoch) | |
| Constellation | Boötes |
| Right ascension | 14h 37m 14.6972s |
| Declination | +38° 27′ 15.553″ |
| Redshift | 0.012106±0.00000911 |
| Heliocentric radial velocity | 3,629±3 km/s |
| Distance | 154.23 ± 11.53 Mly (47.286 ± 3.535 Mpc) |
| Apparent magnitude (V) | 13.6g |
| Characteristics | |
| Type | SBb |
| Size | ~93,900 ly (28.80 kpc) (estimated) |
| Apparent size (V) | 2.07′ × 0.78′ |
| Other designations | |
| IRAS 14352+3840, 2MASX J14371464+3827150, UGC 9419, MCG +07-30-038, PGC 52251, CGCG 220-037 | |
NGC 5698 is a barred spiral galaxy in the constellation of Boötes. Its velocity with respect to the cosmic microwave background is 3,782±11 km/s, which corresponds to a Hubble distance of 181.9 ± 12.8 Mly (55.78 ± 3.91 Mpc). However, 7 non-redshift measurements give a closer mean distance of 154.23 ± 11.53 Mly (47.286 ± 3.535 Mpc). It was discovered by German-British astronomer William Herschel on 16 May 1787.
NGC 5698 is a radio galaxy, i.e. it has giant regions of radio emission extending well beyond its visible structure. Additionally, NGC 5698 has a possible active galactic nucleus, i.e. it has a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars.
Supernova
One supernova has been observed in NGC 5698:
- SN 2005bc (Type Ia, mag. 16.6) was discovered by the Lick Observatory Supernova Search (LOSS), and independently by Tim Puckett and L. Cox, on 2 April 2005.
See also
References
- 1 2 3 4 5 6 7 8 9 10 11 "Results for object NGC 5698". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2 December 2025.
- ↑ "Distance Results for NGC 5698". NASA/IPAC Extragalactic Database. NASA. Retrieved 2 December 2025.
- ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 5698". Celestial Atlas. Retrieved 2 December 2025.
- ↑ Best, P. N.; Heckman, T. M. (2012). "On the fundamental dichotomy in the local radio-AGN population: Accretion, evolution and host galaxy properties". Monthly Notices of the Royal Astronomical Society. 421 (2): 1569. arXiv:1201.2397. Bibcode:2012MNRAS.421.1569B. doi:10.1111/j.1365-2966.2012.20414.x.
- 1 2 "NGC 5698". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2 December 2025.
- ↑ Asmus, D.; Greenwell, C. L.; Gandhi, P.; Boorman, P. G.; Aird, J.; Alexander, D. M.; Assef, R. J.; Baldi, R. D.; Davies, R. I.; Hönig, S. F.; Ricci, C.; Rosario, D. J.; Salvato, M.; Shankar, F.; Stern, D. (2020). "Local AGN survey (LASr): I. Galaxy sample, infrared colour selection, and predictions for AGN within 100 MPC". Monthly Notices of the Royal Astronomical Society. 494 (2): 1784. arXiv:2003.05959. Bibcode:2020MNRAS.494.1784A. doi:10.1093/mnras/staa766.
- ↑ Burket, J.; Pugh, H.; Li, W.; Puckett, T.; Cox, L. (2005). "Supernovae 2005az, 2005bb, and 2005bc". International Astronomical Union Circular (8504): 2. Bibcode:2005IAUC.8504....2B.
- ↑ "SN 2005bc". Transient Name Server. IAU. Retrieved 2 December 2025.
External links
Media related to NGC 5698 at Wikimedia Commons- NGC 5698 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
