NGC 1247

NGC 1247
NGC 1247
	NGC 1247 (center) and Mrk 1071 (lower left) imaged by Legacy Surveys
Observation data (J2000 epoch)
Constellation	Eridanus
Right ascension	03h 12m 14.2539s
Declination	−10° 28′ 50.963″
Redshift	0.013166±0.0000140
Heliocentric radial velocity	3,947±4 km/s
Distance	205.85 ± 7.89 Mly (63.113 ± 2.419 Mpc)
Group or cluster	NGC 1241 group (LGG 84)
Apparent magnitude (V)	13.47
Characteristics
Type	Sbc edge-on
Size	~251,700 ly (77.17 kpc) (estimated)
Apparent size (V)	4.59′ × 0.58′
Other designations
	IRAS 03098-1040, 2MASX J03121431-1028520, UGCA 58, MCG -02-09-014, PGC 11931

NGC 1247 is a large edge-on spiral galaxy in the constellation of Eridanus. Its velocity with respect to the cosmic microwave background is 3,774±13 km/s, which corresponds to a Hubble distance of 181.6 ± 12.7 Mly (55.67 ± 3.90 Mpc).^[1] However, 16 non-redshift measurements give a farther mean distance of 205.85 ± 7.89 Mly (63.113 ± 2.419 Mpc).^[2] It was discovered by German-British astronomer William Herschel on 10 December 1798.^[4]

NGC 1247 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.^[5]^[6]

NGC 1241 group

NGC 1247 is a member of the NGC 1241 galaxy group (also known as LGG 84). The other four galaxies in the group are NGC 1241, NGC 1242 [fr], Mrk 1071 [d], and MCG-02-09-006 [d]^[3]^[7]

Supernova

One supernova has been observed in NGC 1247:

SN 2026xqu (Type Ia-pec, mag. 18.28) was discovered by GOTO on 6 August 2026.^[8]

References

1 2 3 4 5 6 7 8 9 10 "Results for object NGC 1247". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 8 August 2026.
1 2 "Distance Results for NGC 1247". NASA/IPAC Extragalactic Database. NASA. Retrieved 8 August 2026.
1 2 Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.
↑ Seligman, Courtney. "New General Catalogue Objects: NGC 1247". Celestial Atlas. Retrieved 8 August 2026.
↑ 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.
↑ "NGC 1247". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 August 2025.
↑ "LGG 84". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 August 2025.
↑ "SN 2026xqu". Transient Name Server. IAU. Retrieved 8 August 2026.

External links

Media related to NGC 1247 at Wikimedia Commons
NGC 1247 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

[ned-1] 1 2 3 4 5 6 7 8 9 10 "Results for object NGC 1247". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 8 August 2026.

[ned-distance-2] 1 2 "Distance Results for NGC 1247". NASA/IPAC Extragalactic Database. NASA. Retrieved 8 August 2026.

[garcia-3] 1 2 Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.

[selig-4] Seligman, Courtney. "New General Catalogue Objects: NGC 1247". Celestial Atlas. Retrieved 8 August 2026.

[Asmus2020-5] 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.

[SIMBAD-6] "NGC 1247". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 August 2025.

[LGG84-7] "LGG 84". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 August 2025.

[TNS-2026xqu-8] "SN 2026xqu". Transient Name Server. IAU. Retrieved 8 August 2026.

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NGC 1247

NGC 1241 group

Supernova

See also

References

External links