Astronomy:NGC 6388
From HandWiki
Short description: Globular cluster located in the constellation Scorpius
| NGC 6388 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Class | III[1][2] |
| Constellation | Scorpius[2] |
| Right ascension | 17h 36m 17.461s[3][4] |
| Declination | −44° 44′ 08.34″[3][4] |
| Distance | 32.3 kilolight-years (10 kiloparsecs)[2] |
| Apparent magnitude (V) | 6.72[2] |
| Apparent dimensions (V) | 6.2 arcmins[2] |
| Physical characteristics | |
| Mass | 2.17×106[5] M☉ |
| Tidal radius | 6.21 arcmins[6] |
| VHB | 16.85[6] |
| Metallicity | [math]\displaystyle{ \begin{smallmatrix}\left[\ce{Fe}/\ce{H}\right]\end{smallmatrix} }[/math] = -0.55[6] dex |
NGC 6388 is a globular cluster located in the constellation Scorpius. The cluster was discovered by Scottish astronomer James Dunlop on May 13, 1826 using a 22.86 cm (9 in) reflector telescope. Due to its moderate apparent magnitude (+6.72), a telescope is required to see it.
Gallery
References
- ↑ Shapley, Harlow; Sawyer, Helen B. (August 1927). "A Classification of Globular Clusters". Harvard College Observatory Bulletin 849 (849): 11–14. Bibcode: 1927BHarO.849...11S.
- ↑ 2.0 2.1 2.2 2.3 2.4 "Students for the Exploration and Development of Space (NCG 6388)". http://spider.seds.org/spider/MWGC/n6388.html.
- ↑ 3.0 3.1 "NGC 6388". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+6388.
- ↑ 4.0 4.1 "NASA/IPAC Extragalactic Database (NGC 6388)". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+6388&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ Boyles, J. et al. (November 2011), "Young Radio Pulsars in Galactic Globular Clusters", The Astrophysical Journal 742 (1): 51, doi:10.1088/0004-637X/742/1/51, Bibcode: 2011ApJ...742...51B.
- ↑ 6.0 6.1 6.2 "Galactic Globular Clusters Database (NCG 6388)". http://gclusters.altervista.org/cluster_4.php?ggc=NGC+6388.
External links
 |  |
