NGC 1418

NGC 1418
NGC 1418
	NGC 1418 imaged by Legacy Surveys
Observation data (J2000 epoch)
Constellation	Eridanus
Right ascension	03h 42m 16.1773s
Declination	−04° 43′ 51.406″
Redshift	0.014023±0.0000200
Heliocentric radial velocity	4,204±6 km/s
Distance	213.91 ± 26.41 Mly (65.586 ± 8.097 Mpc)
Group or cluster	NGC 1417 group (LGG 103
Apparent magnitude (V)	14.21
Characteristics
Type	SB(s)b
Size	~100,800 ly (30.91 kpc) (estimated)
Apparent size (V)	1.3′ × 0.9′
Other designations
	HOLM 70B, 2MASX J03421615-0443505, MCG -01-10-022, PGC 13606

NGC 1418 is a barred spiral galaxy in the constellation of Eridanus. Its velocity with respect to the cosmic microwave background is 4,068±11 km/s, which corresponds to a Hubble distance of 195.7 ± 13.7 Mly (59.99 ± 4.20 Mpc).^[1] However, seven non-redshift measurements give a farther mean distance of 213.91 ± 26.41 Mly (65.586 ± 8.097 Mpc).^[2] It was discovered by German-British astronomer William Herschel on 5 October 1785.^[4]

NGC 1418 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 1417 group

NGC 1418 is a member of the NGC 1417 galaxy group (also known as LGG 103). This group contains at least 14 galaxies, including NGC 1358, NGC 1376, NGC 1417 [fr], NGC 1441 [fr], NGC 1449 [fr], NGC 1451 [fr], and NGC 1453 [fr].^[3]^[7]

Supernovae

Two supernovae has been observed in NGC 1418:

SN 2013gy (Type Ia, mag. 18) was discovered by the Lick Observatory Supernova Search (LOSS) on 6 December 2013.^[8]^[9]
SN 2026aadx (Type II-P, mag. 19.39) was discovered by GOTO on 25 August 2026.^[10]

References

1 2 3 4 5 6 7 8 9 10 "Results for object NGC 1418". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 4 September 2026.
1 2 "Distance Results for NGC 1418". NASA/IPAC Extragalactic Database. NASA. Retrieved 4 September 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 1418". Celestial Atlas. Retrieved 4 September 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 1418". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 4 September 2026.
↑ "LGG 103". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 4 September 2026.
↑ Kim, H.; Zheng, W.; Li, W.; et al. (2013). "Supernova 2013gy in NGC 1418 = PSN J03421688-0443185". Central Bureau Electronic Telegrams (3743): 1. Bibcode:2013CBET.3743....1K.
↑ "SN 2013gy". Transient Name Server. IAU. Retrieved 4 September 2026.
↑ "SN 2026aadx". Transient Name Server. IAU. Retrieved 4 September 2026.

External links

Media related to NGC 1418 at Wikimedia Commons
NGC 1418 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 1418". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 4 September 2026.

[ned-distance-2] 1 2 "Distance Results for NGC 1418". NASA/IPAC Extragalactic Database. NASA. Retrieved 4 September 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 1418". Celestial Atlas. Retrieved 4 September 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 1418". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 4 September 2026.

[LGG103-7] "LGG 103". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 4 September 2026.

[CBET3743-8] Kim, H.; Zheng, W.; Li, W.; et al. (2013). "Supernova 2013gy in NGC 1418 = PSN J03421688-0443185". Central Bureau Electronic Telegrams (3743): 1. Bibcode:2013CBET.3743....1K.

[TNS-2013gy-9] "SN 2013gy". Transient Name Server. IAU. Retrieved 4 September 2026.

[TNS-2026aadx-10] "SN 2026aadx". Transient Name Server. IAU. Retrieved 4 September 2026.

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NGC 1417 group

Supernovae

See also

References

External links