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NGC 2298

Coordinates: Sky map 06h 48m 59.4s, −36° 00′ 19″
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NGC 2298
Observation data (J2000 epoch)
ClassVI
ConstellationPuppis
Right ascension06h 48m 59.4s
Declination−36° 00′ 19″
Distance34.9 kly (10.7 kpc)
Apparent magnitude (V)9.3
Physical characteristics
Absolute magnitude-5.85
Metallicity = -1.76 ± 0.14 [1] dex
Estimated age13.2±0.4 Gyr[2]
Other designationsMelotte 53
See also: Globular cluster, List of globular clusters

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

  1. ^ APOGEE-2S Mg-Al anti-correlation of the metal-poor globular cluster NGC 2298, 2022, arXiv:2204.09703
  2. ^ THE GEMS/GSAOI GALACTIC GLOBULAR CLUSTER SURVEY (G4CS) I: A PILOT STUDY OF THE STELLAR POPULATIONS IN NGC 2298 AND NGC 3201, 2018, arXiv:1808.05271
  3. ^ NGC 2298 (seds.org)
  4. ^ Tails and streams around the Galactic globular clusters NGC 1851, NGC 1904, NGC 2298 and NGC 2808, 2017, arXiv:1710.08927