NGC 7003 is a spiral galaxy around 220 million light-years from Earth in the constellation Delphinus.[2][1] NGC 7003 has an estimated diameter of 80,800 light-years.[1] The galaxy was discovered by German astronomer Heinrich Louis d'Arrest on August 26, 1864.[3] There also has been at least one supernova observed in NGC 7003.[4]
| NGC 7003 | |
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SDSS image of NGC 7003 | |
| Observation data (J2000 epoch) | |
| Constellation | Delphinus |
| Right ascension | 21h 00m 42.4s[1] |
| Declination | +17° 48′ 18″[1] |
| Redshift | 0.017692[1] |
| Helio radial velocity | 5304 km/s[1] |
| Distance | 222,468,400 ly (68,209,122 pc) |
| Apparent magnitude (V) | 13.76[1] |
| Characteristics | |
| Type | Sbc [1] |
| Size | ~80,832 ly [1] |
| Apparent size (V) | 1.1 × 0.8[1] |
| Other designations | |
| IRAS 20584+1736, UGC 11662, MCG 3-53-8, PGC 65887, CGCG 448-27[1] | |
On May 12, 2011 a Type II supernova designated as SN 2011dk was discovered in NGC 7003.[5][6]
{{cite web}}: CS1 maint: multiple names: authors list (link)
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New General Catalogue 7000 to 7499 | |
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Constellation of Delphinus | |||||||||||||
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