NGC 7603 is a spiral Seyfert galaxy in the constellation Pisces.[1] It is listed (as Arp 92) in the Atlas of Peculiar Galaxies.[4] It is interacting with the smaller elliptical galaxy PGC 71041 nearby.[1]

NGC 7603
The spiral Seyfert galaxy NGC 7603 (upper right) is interacting with the smaller galaxy PGC 71041 (lower left). Credit: Hubble Space Telescope
Observation data (J2000.0 epoch)
Constellation	Pisces
Right ascension	23h 18m 56.4s[1]
Declination	+00° 14′ 38.2″[1]
Redshift	0.029524±0.000073[1]
Helio radial velocity	8851±22 km/s[1]
Galactocentric velocity	8978±22 km/s[1]
Distance	412.9 ± 28 Mly (126.60 ± 8.58 Mpc)[2]
Apparent magnitude (V)	14.04[1]
Characteristics
Type	SA(rs)b: pec Sy1.5[1]
Apparent size (V)	1.5 × 1.0 moa[1]
Other designations
NGC 7603, UGC 12493, MCG 0-59-21, MK 530, PGC 71035, IRAS23163-0001, UM 156, ARP 92, ZWG 380.26[3]
References: NGC+7603[1]

This galaxy pair has long been a cornerstone for those who are critical of the view that the universe is expanding, and advocates for non-standard cosmology such as Halton Arp, Fred Hoyle, and others.^{[like whom?]}[5][6] This is due to the position of two quasars, one at each edge of the filament connecting the two galaxies, with much more redshift than either galaxy.

References

External links

• Media related to NGC 7603 at Wikimedia Commons
• SEDS – NGC 7603
• Simbad – NGC 7603
• VizieR – NGC 7603
• NGC 7603 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

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