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NGC 288

Coordinates:Sky map00h 52m 45.3s, −26° 34′ 43″
From Wikipedia, the free encyclopedia
Globular cluster in the constellation Sculptor
NGC 288
NGC 288 byHubble Space Telescope's Wide Field Channel of the Advanced Camera for Surveys
Observation data (J2000epoch)
ClassX[1]
ConstellationSculptor
Right ascension00h 52m 45.24s[2]
Declination–26° 34′ 57.4″[2]
Distance29.22 ± 0.16 kly (8.96 ± 0.05 kpc)[3]
Apparent magnitude(V)9.37[4]
Apparent dimensions(V)13′.8[1]
Physical characteristics
Mass4.8×104[5] M☉
Metallicity[Fe/H]{\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}} = –1.14[6]dex
Estimated age13.5 ± 1.1Gyr[3]
Other designationsMelotte 3[4]
See also:Globular cluster,List of globular clusters

NGC 288 is aglobular cluster in theconstellationSculptor. Its visual appearance was described byJohn Dreyer in 1888.[7] It is located about 1.8° southeast of the galaxyNGC 253, 37′ north-northeast of theSouth Galactic Pole, 15′ south-southeast of a 9th magnitude star, and encompassed by a half-circular chain of stars that opens on its southwest side.[1] It can be observed throughbinoculars.[1] It is not very concentrated and has a well resolved, large 3′ dense core that is surrounded by a much more diffuse and irregular 9′ diameter ring.[1] Peripheral members extend farther outward towards the south and especially southwest.[1]

References

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  1. ^abcdefKepple, George Robert; Sanner, Glen W. (1998).The Night Sky Observer's Guide. Vol. 2. Willmann-Bell, Inc. pp. 365, 372.ISBN 978-0-943396-60-6.
  2. ^abGoldsbury, Ryan; et al. (December 2010), "The ACS Survey of Galactic Globular Clusters. X. New Determinations of Centers for 65 Clusters",The Astronomical Journal,140 (6):1830–1837,arXiv:1008.2755,Bibcode:2010AJ....140.1830G,doi:10.1088/0004-6256/140/6/1830,S2CID 119183070.
  3. ^abGontcharov, George A.; Khovritchev, Maxim Yu; Mosenkov, Aleksandr V.; Il'In, Vladimir B.; Marchuk, Alexander A.; Savchenko, Sergey S.; Smirnov, Anton A.; Usachev, Pavel A.; Poliakov, Denis M. (2021)."Isochrone fitting of Galactic globular clusters – III. NGC 288, NGC 362, and NGC 6218 (M12)".Monthly Notices of the Royal Astronomical Society.508 (2):2688–2705.arXiv:2109.13115.doi:10.1093/mnras/stab2756.
  4. ^ab"NGC 288".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved2007-02-10.
  5. ^Marks, Michael; Kroupa, Pavel (August 2010), "Initial conditions for globular clusters and assembly of the old globular cluster population of the Milky Way",Monthly Notices of the Royal Astronomical Society,406 (3):2000–2012,arXiv:1004.2255,Bibcode:2010MNRAS.406.2000M,doi:10.1111/j.1365-2966.2010.16813.x,S2CID 118652005. Mass is from MPD on Table 1.
  6. ^Forbes, Duncan A.; Bridges, Terry (May 2010), "Accreted versus in situ Milky Way globular clusters",Monthly Notices of the Royal Astronomical Society,404 (3):1203–1214,arXiv:1001.4289,Bibcode:2010MNRAS.404.1203F,doi:10.1111/j.1365-2966.2010.16373.x,S2CID 51825384.
  7. ^Dreyer, J. L. E. (1888). "A New General Catalogue of Nebulae and Clusters of Stars, being the Catalogue of the late Sir John F. W. Herschel, Bart., revised, corrected, and enlarged".Memoirs of the Royal Astronomical Society.49:1–237.Bibcode:1888MmRAS..49....1D.

External links

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