BREAKING NEWS
Cloud Server Hosting For Online Businesses
Inexpensive SEO Services
Benefits of Wanting to play Free Online Slot machines
Abell 78

Summary

Abell 78 is a planetary nebula located in the constellation of Cygnus. It has a fainter halo consisting mostly hydrogen, and an inner elliptical ring that is mostly made of helium.

Abell 78
Emission nebula
Planetary nebula
As Seen From Mount Lemmon Sky Center
Observation data: J2000.0 epoch
Right ascension21h 35m 29.376s[1]
Declination+31° 41m 45.6s[1]
ConstellationCygnus
Physical characteristics
Radius1.4 ly
DesignationsPK 081-14.1, PN G 081.2-14.9, Abel 64, ARO 174, 2MASS J21352938+3141453, CSI+31-21334, UBV 18570, UBV M 44681
See also: Lists of nebulae

The central star of the planetary nebula has a spectral type of [WC5], similar to that of a carbon-rich Wolf–Rayet star.[1]

Gallery edit

References edit

  1. ^ a b c 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. arXiv:2109.12114. Bibcode:2021A&A...656A..51G. doi:10.1051/0004-6361/202141916. S2CID 237940344.

External links edit

  • [1]
  • https://www.astronomy-mall.com/Adventures.In.Deep.Space/abellcat.htm
  • NOAO>Outreach>Planetary Nebula Sampler: Abell 78 Archived 2021-03-11 at the Wayback Machine