Asterism of four stars in the constellation Aquarius
Messier 73
Asterism Messier 73 in Aquarius
Observation data (J2000 epoch)
Right ascension
20h 58m 54s[1][2]
Declination
−12° 38′[1][2]
Distance
Mean distance star approx. 2,500 ly[2] (approx. 770 pc)
Apparent magnitude (V)
9.0[1][2]
Apparent dimensions (V)
2.8′[2]
Physical characteristics
Radius
ly
Estimated age
million yrs[citation needed]
Other designations
M 73, NGC 6994,[1][2] Cr 426
Associations
Constellation
Aquarius
See also: Open cluster, List of open clusters
Messier 73 (M73, also known as NGC 6994) is an asterism of four stars in the constellation Aquarius. It lies several arcminutes east of globular cluster M72. According to Gaia EDR3, the stars are 1030±9, 1249±10, 2170±22, and 2290±24 light-years from the Sun, with the second being a binary star.[3]
^ abcd
"M 73". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2006-12-21.
^ abcdef
"Messier 73". SEDS Messier pages. Retrieved 2010-02-28.
^Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e).
Messier73 (M73, also known as NGC 6994) is an asterism of four stars in the constellation Aquarius. It lies several arcminutes east of globular cluster...
The Messier objects are a set of 110 astronomical objects catalogued by the French astronomer Charles Messier in his Catalogue des Nébuleuses et des Amas...
children to take up the sport." Messier was born in St. Albert, Alberta, the son of Mary-Jean (Dea) and Doug Messier. He was the second son and third...
and was communicated that year to Charles Messier, who verified its position for inclusion in the Messier Catalogue as one of its final entries. On February...
Wikimedia Commons has media related to Messier 72. Messier 72 (also known as M72 or NGC 6981) is a globular cluster in the south west of the very mildly...
M73 motorway, a motorway in Scotland BMW M73, a 1993 V12 piston engine Messier73, a random grouping of stars in the constellation Aquarius This disambiguation...
Wikimedia Commons has media related to Messier 87. Messier 87, SEDS Messier pages ESA/Hubble images of M87 Messier 87 on WikiSky: DSS2, SDSS, GALEX, IRAS...
Galaxy". In 1779, Pierre Méchain and Charles Messier reidentified Bode's object, hence listed it in the Messier Catalogue. The galaxy is to be found approximately...
Jean-Philippe Loys de Chéseaux in 1746. Charles Messier observed the cluster on May 23, 1764, and added it to his Messier Catalog. Estimates of the Butterfly Cluster's...
Messier 31". Astrophysical Journal. 69: 103–158. Bibcode:1929ApJ....69..103H. doi:10.1086/143167. Baade, Walter (1944). "The Resolution of Messier 32...
elliptical galaxy Messier 60 were both discovered by Johann Gottfried Koehler in April 1779 when observing comet seeming close by. Charles Messier listed both...
was independently rediscovered in 1758 by Charles Messier as he was observing a bright comet. Messier catalogued it as the first entry in his catalogue...
orbiting close to a star in Messier 67 Artist's impression of a hot Jupiter exoplanet in the star cluster Messier 67 List of Messier objects List of open clusters...
suggestion to assign the galaxy a Messier number was made by Kenneth Glyn Jones in 1967, making it the last member of the Messier List. This galaxy has a morphological...
Nebula List of diffuse nebulae List of Messier objects Messier 43, which is part of the Orion Nebula Messier 78, a reflection nebula New General Catalogue...
Nebula Trifid Nebula seen at different wavelengths List of Messier objects List of nebulae Messier object New General Catalogue Wikipedia Project: Astronomical...
Galaxy is a spiral galaxy 2.73 million light-years (ly) from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC (New General Catalogue)...
close-up view of the rose-coloured star forming region Messier 17. List of Messier objects Messier object New General Catalogue "NGC 6618". SIMBAD. Centre...
in Sagittarius Wide field view of M22 New General Catalogue Messier object List of Messier objects List of globular clusters on August 26 on June 5 the...
..870...32K. doi:10.3847/1538-4357/aaef8c. S2CID 119328315. "Messier 16". SEDS Messier Catalog. Archived from the original on 13 May 2022. Retrieved...
Pleiades (/ˈpliː.ədiːz, ˈpleɪ-, ˈplaɪ-/), also known as the Seven Sisters, Messier 45, and other names by different cultures, is an asterism and an open star...
M50 (upper left), and NGC 2360 (lower left) Messier 50 is found 8° north and 3° east of Sirius List of Messier objects Frolov, V. N.; et al. (February 2012)...
Global Information