Astronomy:NGC 2298
From HandWiki
Short description: Globular cluster in the constellation Puppis
| NGC 2298 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Class | VI |
| Constellation | Puppis |
| Right ascension | 06h 48m 59.4s |
| Declination | −36° 00′ 19″ |
| Distance | 34.9 kly (10.7 kpc) |
| Apparent magnitude (V) | 9.3 |
| Physical characteristics | |
| Absolute magnitude | -5.85 |
| Metallicity | [math]\displaystyle{ \begin{smallmatrix}\left[\ce{Fe}/\ce{H}\right]\end{smallmatrix} }[/math] = -1.76 ± 0.14 [1] dex |
| Estimated age | 13.2±0.4 Gyr[2] |
| Other designations | Melotte 53 |
NGC 2298 is a globular cluster in the southern constellation of Puppis. Discovered by James Dunlop on May 30, 1826, it is probably a former member of the disputed Canis Major Dwarf galaxy.[3]
The cluster is being disrupted by the galactic tide, trailing a long tidal tail.[4]
References
- ↑ Baeza, Ian; Fernández-Trincado, José G.; Villanova, Sandro; Geisler, Doug; Minniti, Dante; Garro, Elisa R.; Barbuy, Beatriz; Beers, Timothy C. et al. (2022), "APOGEE-2S Mg–Al anti-correlation of the metal-poor globular cluster NGC 2298", Astronomy & Astrophysics 662: A47, doi:10.1051/0004-6361/202243475
- ↑ Monty, Stephanie; Puzia, Thomas H.; Miller, Bryan W.; Carrasco, Eleazar R.; Simunovic, Mirko; Schirmer, Mischa; Stetson, Peter B.; Cassisi, Santi et al. (2018), "The GeMS/GSAOI Galactic Globular Cluster Survey (G4CS). I. A Pilot Study of the Stellar Populations in NGC 2298 and NGC 3201", The Astrophysical Journal 865 (2): 160, doi:10.3847/1538-4357/aadb43
- ↑ NGC 2298 (seds.org)
- ↑
External links
- NGC 2298 at Wikisky
- NGC 2298[yes|permanent dead link|dead link}}] at Astrosurf
- NGC 2298 at Deepskypedia
- NGC 2298 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Coordinates: 
06h 48m 59.4s, −36° 00′ 19″
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