Astronomy:NGC 7026

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Short description: Planetary nebula in the constellation Cygnus
NGC 7026
Emission nebula
Planetary nebula
This image of NGC 7026 shows starlight in green, light from glowing nitrogen gas in red, and light from oxygen in blue.
Composite image using optical images from the HST.
Observation data: J2000 epoch
Right ascension 21h 06m 18.237s[1]
Declination+47° 51′ 07.15″[1]
Distance6000 light years ly
Apparent magnitude (V)15.33B[1]
ConstellationCygnus
DesignationsGSC2 N0331022145839, 2MASX J21061823+4751071, PN ARO 59, CSI+47-21046, GT 2104+476, PK 089+00 1, PN VV 260, DO 39213, HBHA 4703-62, PLX 5080, PN VV' 542, EM* CDS 1218, HD 201192, PLX 5080.00, [KW97] 55-39, GCRV 13271, IRAS 21046+4739, PN G089.0+00.3, [TGC96] 2104+4739
See also: Lists of nebulae

NGC 7026 is a planetary nebula located 6000 light-years away, in the constellation of Cygnus. The central star of the planetary nebula has a spectral type of [WO3], indicating a spectrum similar to that of an oxygen-rich Wolf–Rayet star.[2] An analysis of Gaia data suggests that it is a binary system.[3]

References

  1. 1.0 1.1 1.2 "Search results for NGC 7026". Astronomical Database. SIMBAD. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+7026. 
  2. González-Santamaría, I.; Manteiga, M.; Manchado, A.; Ulla, A.; Dafonte, C.; López Varela, P. (2021). "Planetary nebulae in Gaia EDR3: Central star identification, properties, and binarity". Astronomy & Astrophysics 656: A51. doi:10.1051/0004-6361/202141916. Bibcode2021A&A...656A..51G. 
  3. Chornay, N.; Walton, N. A.; Jones, D.; Boffin, H. M. J.; Rejkuba, M.; Wesson, R. (2021). "Towards a more complete sample of binary central stars of planetary nebulae with Gaia". Astronomy & Astrophysics 648: A95. doi:10.1051/0004-6361/202140288. Bibcode2021A&A...648A..95C. 

External links

Coordinates: Sky map 21h 06m 18.237s, +47° 51′ 07.15″