- Instance of
- open cluster
2
Sources- 1.Stated in NASA/IPAC Extragalactic Databasened.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=3285483&objname=1Retrieved 2014-07-26
- 2.Stated in SIMBAD
- open cluster
- Part of
Overview
All data
38 statements · 82% with external sources · numbers in brackets are citations
- Catalog code
- M 7 catalog: Messier object
1
- C 1750-348 catalog: Caldwell catalogue
1
- NGC 6475 catalog: New General Catalogue
1
- OCl 1028.0 catalog: Catalogue of Star Clusters and Associations
2
- Collinder 354 catalog: Collinder catalogue
- Melotte 183 catalog: Melotte Catalogue
- [KPS2012] MWSC 2739 catalog: Global survey of star clusters in the Milky Way. III. 139 new open clusters at high Galactic latitudes
1
- M 7 catalog: Messier object
- Discovered
- 130
1
- 130
- Distance from Earth
- 800 ly
1
- 300 pc
1
- 800 ly
- Radius
- 9 ly
1
- 9 ly
- Radial velocity
- -14.84 kilometre per second
- Right ascension
- 268.4625 degree
1
- 268.4625 degree
- Declination
- -34.7933 degree
1
- -34.7933 degree
- Parallax
- 3.5704 milliarcsecond
- Metallicity
- 0.02
2
Sources- 1.Stated in On the metallicity of open clusters
- 2.Stated in On the metallicity of open clusters
- 0.02
- Angular diameter
- 80 arcminute
- Age estimated by a dating method
- 220M years
- Right ascension component of proper motion
- 3.0722 milliarcsecond per year
- 3.072 milliarcsecond per year
- Declination component of proper motion
- -5.3157 milliarcsecond per year
- -5.315 milliarcsecond per year
On other databases
3 identifiers linking Messier 7 across the web's reference databases