fbpx
Wikipedia

NGC 5897

NGC 5897 is a globular cluster in the constellation Libra. This satellite of the Milky Way, which is quite remote (located about 41,000 light years away), has a diameter of over 170 light years. With its Shapley–Sawyer Concentration Class of XI, it has very low star density even in its center.[3]

NGC 5897
The globular cluster NGC 5897 imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
ClassXI[1]
ConstellationLibra
Right ascension15h 17m 24.40s[2]
Declination−21° 00′ 36.4″[2]
Distance24.1 kly
(7.4 kpc)[2]
Apparent magnitude (V)8.52[2]
Physical characteristics
Radius6.3' x 6.3'[3]
Metallicity = -2.04±0.15[4] dex
Other designationsGCl 33, C 1514-208[2]
See also: Globular cluster, List of globular clusters

The stars of the cluster have only 0.91% of the Sun's metallicity,[5] while the abundance of elements produced by the alpha process is roughly 5 times larger.[4] This means that the cluster formed in a time before the galaxy formed a disk and spiral arms. However, some of the stars are apparently younger, indicating multiple star-forming epochs.[4]

NGC 5897 has a diameter of 12.6 arcminutes and an apparent magnitude of 8.5.

References

  1. ^ 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. ^ a b c d e "NGC 5897". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 January 2017.
  3. ^ a b "NGC 5897". Retrieved 7 January 2016.
  4. ^ a b c Koch, Andreas; McWilliam, Andrew (2014), "The chemical composition of a regular halo globular cluster: NGC 5897", Astronomy & Astrophysics, 565: A23, arXiv:1403.1262, doi:10.1051/0004-6361/201323119, S2CID 53958921
  5. ^ "A Galactic Globular Clusters Database: NGC 5897". Retrieved 8 January 2017.

External links

  •   Media related to NGC 5897 at Wikimedia Commons
  • NGC 5897

5897, globular, cluster, constellation, libra, this, satellite, milky, which, quite, remote, located, about, light, years, away, diameter, over, light, years, with, shapley, sawyer, concentration, class, very, star, density, even, center, globular, cluster, im. NGC 5897 is a globular cluster in the constellation Libra This satellite of the Milky Way which is quite remote located about 41 000 light years away has a diameter of over 170 light years With its Shapley Sawyer Concentration Class of XI it has very low star density even in its center 3 NGC 5897The globular cluster NGC 5897 imaged by the Hubble Space TelescopeObservation data J2000 epoch ClassXI 1 ConstellationLibraRight ascension15h 17m 24 40s 2 Declination 21 00 36 4 2 Distance24 1 kly 7 4 kpc 2 Apparent magnitude V 8 52 2 Physical characteristicsRadius6 3 x 6 3 3 Metallicity Fe H displaystyle begin smallmatrix left ce Fe ce H right end smallmatrix 2 04 0 15 4 dexOther designationsGCl 33 C 1514 208 2 See also Globular cluster List of globular clustersThe stars of the cluster have only 0 91 of the Sun s metallicity 5 while the abundance of elements produced by the alpha process is roughly 5 times larger 4 This means that the cluster formed in a time before the galaxy formed a disk and spiral arms However some of the stars are apparently younger indicating multiple star forming epochs 4 NGC 5897 has a diameter of 12 6 arcminutes and an apparent magnitude of 8 5 References Edit Shapley Harlow Sawyer Helen B August 1927 A Classification of Globular Clusters Harvard College Observatory Bulletin 849 849 11 14 Bibcode 1927BHarO 849 11S a b c d e NGC 5897 SIMBAD Centre de donnees astronomiques de Strasbourg Retrieved 8 January 2017 a b NGC 5897 Retrieved 7 January 2016 a b c Koch Andreas McWilliam Andrew 2014 The chemical composition of a regular halo globular cluster NGC 5897 Astronomy amp Astrophysics 565 A23 arXiv 1403 1262 doi 10 1051 0004 6361 201323119 S2CID 53958921 A Galactic Globular Clusters Database NGC 5897 Retrieved 8 January 2017 External links Edit Media related to NGC 5897 at Wikimedia Commons NGC 5897 This star cluster related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title NGC 5897 amp oldid 1141312264, wikipedia, wiki, book, books, library,

article

, read, download, free, free download, mp3, video, mp4, 3gp, jpg, jpeg, gif, png, picture, music, song, movie, book, game, games.