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NGC 7003
SDSS image of NGC 7003
Observation data (J2000 epoch)
Constellation	Delphinus
Right ascension	21 00 42.4
Declination	+17° 48′ 18″
Redshift	0.017689
Heliocentric radial velocity	5303 km/s
Distance	222 Mly (68.2 Mpc)
Apparent magnitude (V)	13.76
Characteristics
Type	Sbc
Size	~85,600 ly (26.25 kpc) (estimated)
Apparent size (V)	1.1 × 0.8
Other designations
IRAS 20584+1736, UGC 11662, MCG +03-53-008, PGC 65887, CGCG 448-027

NGC 7003 is a spiral galaxy around 220 million light-years from Earth in the constellation Delphinus. NGC 7003 has an estimated diameter of 85,000 light-years. The galaxy was discovered by German astronomer Heinrich Louis d'Arrest on August 26, 1864.

One supernova has been observed in NGC 7003: on May 12, 2011, SN 2011dk (type II, mag. 16.5) was discovered.

The redshift of NGC 7003 places it in a filamentary ridge in the Perseus–Pisces Supercluster. The galaxy is host to a supermassive black hole with an estimated mass of 3.9 × 10 M_☉.

See also

• NGC 1300
• List of NGC objects (7001–7840)

References

1. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-04-16.
2. Rojas, Sebastián García. "Galaxy NGC 7003 Deep Sky Objects Browser". DSO Browser. Archived from the original on 2017-05-24. Retrieved 2017-04-15.
3. "New General Catalog Objects: NGC 7000 – 7049". cseligman.com. Retrieved 2017-04-15.
4. "SN 2011dk". Transient Name Server. IAU. Retrieved 20 August 2024.
5. "Bright Supernovae - 2011". rochesterastronomy.org. Retrieved 2017-06-20.
6. "2011dk - The Open Supernova Catalog". sne.space. Archived from the original on 2017-10-14. Retrieved 2017-06-20.
7. M. Giovannini, E. Mazzoni, G. Petroni, and M. Rossi, Borgo a Mozzano, Fabrizio Ciabattari, S. Donati (10 June 2011). "SUPERNOVA 2011dk IN NGC 7003 = PSN J21004220+1748220". SUPERNOVA 2011dk IN NGC 7003 = PSN J21004220+1748220. Retrieved 2017-06-19.{{cite web}}: CS1 maint: multiple names: authors list (link)
8. Giovanelli, Riccardo; Haynes, Martha P. (1993-04-01). "A Survey of the Pisces-Perseus Supercluster. VI. The Declination Zone +15.5 degrees to n+21.5 degrees". The Astronomical Journal. 105: 1271. Bibcode:1993AJ....105.1271G. doi:10.1086/116508. ISSN 0004-6256.
9. Arzoumanian, Zaven; Baker, Paul T.; Brazier, Adam; Brook, Paul R.; Burke-Spolaor, Sarah; Becsy, Bence; Charisi, Maria; Chatterjee, Shami; Cordes, James M.; Cornish, Neil J.; Crawford, Fronefield; Cromartie, H. Thankful; Decesar, Megan E.; Demorest, Paul B.; Dolch, Timothy (2021-06-01). "The NANOGrav 11 yr Data Set: Limits on Supermassive Black Hole Binaries in Galaxies within 500 Mpc". The Astrophysical Journal. 914 (2): 121. arXiv:2101.02716. Bibcode:2021ApJ...914..121A. doi:10.3847/1538-4357/abfcd3. ISSN 0004-637X.

External links

• NGC 7003 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

v t e Constellation of Delphinus
List of stars in Delphinus Delphinus in Chinese astronomy
Stars	Bayer α (Sualocin) β (Rotanev) γ γ δ ε (Aldulfin) ζ η θ ι κ ρ Aql (Tso Ke) Flamsteed 1 10 13 14 15 16 17 18 (Musica) Variable EU HR HU V339 QV Sge HR 7771 7774 7778 7793 7816 7824 7839 7899 7907 7975 8010 8044 HD 195019 Other HAT-P-23 (Moriah) WASP-2 WISE J2030+0749 WISE 2056+1459
Exoplanets 18 Delphini b HD 195019 b HD 196885 Ab WASP-2b TOI-6883 b
Star clusters Laevens 3 NGC 6934 NGC 7006
Nebulae NGC 6905
Galaxies	NGC 7003 7025 7028 Other ZW II 96
Category

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• Astronomical objects discovered in 1864
• Spiral galaxies
• UGC objects
• Delphinus
• NGC objects
• Principal Galaxies Catalogue objects
• MCG objects
• Perseus-Pisces Supercluster
• Spiral galaxy stubs