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English: The Helix Nebula: a Gaseous Envelope Expelled By a Dying Star About the Object. Object Name: Helix Nebula, NGC 7293 or "The Eye of God" Object Description: Planetary Nebula; Position (J2000): R.A. 22h 29m 48.20s; Dec. -20° 49' 26.0" Constellation: Aquarius; Distance: About 690 light-years (213 parsecs)
The central star of the Helix Nebula is a white dwarf of spectral type DAO. [19] It has the designations WD 2226-210, PHL 287, and GJ 9785. [ 1 ] The star has a radius of 0.025 solar radii (17,000 km), a mass of 0.678 M ☉ , a temperature of 120,000 Kelvin and has an apparent magnitude of 13.5.
English: This video compares a new view of the Helix Nebula acquired with the VISTA telescope in infrared light with the more familiar view in visible light from the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory. The infrared vision of VISTA reveals strands of cold nebular gas that are mostly obscured in visible light images of the ...
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Diffuse Nebula: The closest major star formation region to Earth. [65] Crab Nebula: 11 ly (3.4 pc) [66] Supernova remnant: The remnant of a supernova that occurred in 1054 AD. [67] Bubble Nebula: 6 [68]-10 [69] [70] ly (1.84-3.066 pc) Emission nebula: Helix Nebula: 5.74 ly (1.76 pc) [71] Emission nebula: Eightburst Nebula: 0.8 ly (0.2453 pc ...
Helix Nebula: Planetary Nebula: 0.522 Aquarius: 7.3 C64 NGC 2362: Tau Canis Majoris Cluster: Open Cluster and Nebula: 5.1 Canis Major: 4.1 C65 NGC 253: Sculptor Galaxy: Spiral Galaxy: 9,800 Sculptor: 7.1 C66 NGC 5694 Globular Cluster: 113 Hydra: 10.2 C67 NGC 1097 Barred Spiral Galaxy: 47,000 Fornax: 9.3 C68 NGC 6729: R CrA Nebula: Nebula: 0.424 ...
Note and reference Planet according to IAU working definition L 34-26 WISEPA J075108.79-763449.6 (COCONUTS-2b) 36 11.3 6471 4.4-7.8 2011/2021 first discovered with WISE in 2011, but planet status was established in 2021 by taking the listed proper motion of the planet and matching it with the Gaia proper motion of the star [82] Mmin=4.4<13