NGC 1501
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Planetary Nebula NGC 1501 |
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| False color image of the Hubble Space Telescope with line filters : 502 nm (OIII) is blue and 656 nm (Hα) is coded red. | |
| AladinLite | |
| Constellation | giraffe |
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Position equinox : J2000.0 |
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| Right ascension | 04h 06m 59.3s |
| declination | + 60 ° 55 ′ 14 ″ |
| Appearance | |
| Apparent brightness (visual) | 11.5 likes |
| Apparent brightness (B-band) | 13.3 mag |
| Angular expansion | 0.87 ′ × 0.87 ′ |
| Central star | |
| Physical data | |
| Redshift | +0.000123 |
| Radial velocity | +36.9 km / s |
| distance | approx. 4200 ly (approx. 1300 pc ) |
| diameter | 1 ly |
| history | |
| discovery | Wilhelm Herschel |
| Date of discovery | November 3, 1787 |
| Catalog names | |
| NGC 1501 • PK 144 + 6.1 • GC 801 • H IV 53 • CS 14.4 | |
NGC 1501 is a planetary nebula in the constellation Giraffe , which is about 4200 light years from Earth . The central star of NGC 1501 is a high-carbon, low-mass Wolf-Rayet star with a temperature of approximately 130,000 Kelvin . NGC 1501 was discovered on November 3, 1787 by the German-British astronomer Wilhelm Herschel .
Web links
Individual evidence
- ↑ NASA / IPAC EXTRAGALACTIC DATABASE
- ↑ a b SEDS: NGC 1501
- ↑ SIMBAD
- ↑ 2SIZE
- ↑ Todt et al .: Spectral Analyzes of Wolf-Rayet Type Central Stars . In: ASP Conference Proceedings . tape 469 , 2013, bibcode : 2013ASPC..469..303T .
- ↑ Seligman