| UGC 11241 | |
|---|---|
 UGC 11241 imaged by Legacy Surveys | |
| Observation data (J2000 epoch) | |
| Constellation | Draco |
| Right ascension | 18h 26m 49.8934s[1] |
| Declination | +51° 08′ 21.327″[1] |
| Redshift | 0.032663±0.0000444[1] |
| Heliocentric radial velocity | 9,792±13 km/s[1] |
| Distance | 465.8 ± 32.6 Mly (142.81 ± 10.00 Mpc)[1] |
| Group or cluster | [CHM2007] LDC 1304 |
| Apparent magnitude (V) | 14.90[1] |
| Characteristics | |
| Type | Sb[1] |
| Size | ~238,100 ly (72.99 kpc) (estimated)[1] |
| Apparent size (V) | 1.0′ × 0.9′[1] |
| Other designations | |
| 2MASS J18264983+5108210, MCG +09-30-014, PGC 61883, CGCG 279-012[1] | |
UGC 11241 is a spiral galaxy in the constellation of Draco. Its velocity with respect to the cosmic microwave background is 9,683±15 km/s, which corresponds to a Hubble distance of 465.8 ± 32.6 Mly (142.81 ± 10.00 Mpc).[1] The first known reference to this galaxy comes from Part 1 of the Morphological Catalogue of Galaxies, where it is listed as MCG +09-30-014.
LDC 1304 Group
[edit]UGC 11241 is a member of a small group of galaxies known as [CHM2007] LDC 1304. The other two galaxies in the group are UGC 11255 and CGCG 279-018.[2][3]
Supernovae
[edit]Four supernovae have been observed in UGC 11241:
- SN 2005cy (Type IIn, mag. 17.9) was discovered by A. Sehgal, Jack Newton, and Tim Puckett, as part of the Puckett Observatory Supernova Search, on 15 July 2005.[4][5][6]
- SN 2008bw (Type Ia, mag. 18.0) was discovered by E. Guido, W. MacDonald and Tim Puckett on 21 April 2008.[7][8]
- SN 2018aqf (Type Ib, mag. 18.9) was discovered by the Catalina Real-time Transient Survey on 5 April 2018.[9]
- SN 2025acrb (Type II, mag. 19.5865) was discovered by the Zwicky Transient Facility on 30 October 2025.[10]
References
[edit]- ^ a b c d e f g h i j k "Results for object UGC 11241". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 20 November 2025.
- ^ "[CHM2007] LDC 1304". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 20 November 2025.
- ^ Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal. 655 (2): 790–813. arXiv:astro-ph/0610732. Bibcode:2007ApJ...655..790C. doi:10.1086/510201.
- ^ Dimai, A.; Sehgal, A.; Newton, J.; Puckett, T.; Itagaki, K.; Nakano, S.; George, D. (2005). "Supernovae 2005cx, 2005cy, 2005cz". International Astronomical Union Circular (8569): 1. Bibcode:2005IAUC.8569....1D.
- ^ Gal-Yam, Avishay; Sharon, Keren (2005). "Type determination of SN 2005cy and SN 2005cx". The Astronomer's Telegram. 568: 1. Bibcode:2005ATel..568....1G.
- ^ "SN 2005cy". Transient Name Server. IAU. Retrieved 20 November 2025.
- ^ Guido, E.; MacDonald, W.; Puckett, T. (2008). "Supernova 2008bw in UGC 11241". Central Bureau Electronic Telegrams (1346): 1. Bibcode:2008CBET.1346....1G.
- ^ "SN 2008bw". Transient Name Server. IAU. Retrieved 20 November 2025.
- ^ "SN 2018aqf". Transient Name Server. IAU. Retrieved 20 November 2025.
- ^ "SN 2025acrb". Transient Name Server. IAU. Retrieved 20 November 2025.
External links
[edit]- UGC 11241 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
