Astronomy:NGC 4598

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Short description: Galaxy in the constellation Virgo
NGC 4598
SDSS NGC 4598.jpg
Sloan Digital Sky Survey image of NGC 4598.
Observation data (J2000 epoch)
ConstellationVirgo
Right ascension 12h 40m 11.9s[1]
Declination08° 23′ 01″[1]
Redshift0.006541[1]
Helio radial velocity1961 km/s[1]
Distance63.7 Mly (19.54 Mpc),[2] 88.71 Mly (27.200 Mpc), 102 Mly (31.3 Mpc) (Redshift-based) [1][2]
Group or clusterVirgo Cluster
Apparent magnitude (V)13.6[1]
Characteristics
TypeSB0[1]
Size~43,900 ly (13.45 kpc) (estimated)[1]
Apparent size (V)1.47 x 1.06[1]
Other designations
CGCG 70-207, MCG 2-32-171, PGC 42427, UGC 7829, VCC 1827[1]

NGC 4598 is a barred lenticular galaxy[3] located in the constellation Virgo.[4] NGC 4598 was discovered by astronomer William Herschel on April 15, 1784.[5] The distance to NGC 4598 has not been accurately determined; measurements vary from 64 to 102 million light-years.[3][6] According to the NASA/IPAC Extragalactic Database, its redshift based distance is 102 Mly (31.3 Mpc) while its redshift independent based distance is 88.71 Mly (27.200 Mpc).[3] Also, according to SIMBAD, its distance is 63.7 Mly (19.54 Mpc).[6] NGC 4598's average distance is 84.8 Mly (26.0 Mpc).[1] NGC 4598 is usually considered to be a member of the Virgo Cluster.[7][8] However, P. Fouqu´e et al. suggests it may be a background galaxy independent of the main cluster.[9]

See also

Notes

1.^ This value was determined by using the three other measured values given above.

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 "NASA/IPAC Extragalactic Database". Results for NGC 4598. http://nedwww.ipac.caltech.edu/. 
  2. ↑ 2.0 2.1 "NGC 4598". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+4598. 
  3. ↑ 3.0 3.1 3.2 "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4598&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. 
  4. ↑ "Revised NGC Data for NGC 4598". http://spider.seds.org/ngc/revngcic.cgi?NGC4598. 
  5. ↑ "New General Catalog Objects: NGC 4550 - 4599" (in en-US). https://cseligman.com/text/atlas/ngc45a.htm#4598. 
  6. ↑ 6.0 6.1 "NGC 4598". http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+4598&submit=SIMBAD+search. 
  7. ↑ Binggeli, B.; Sandage, A.; Tammann, G. A. (1985-09-01). "Studies of the Virgo Cluster. II - A catalog of 2096 galaxies in the Virgo Cluster area.". The Astronomical Journal 90: 1681–1759. doi:10.1086/113874. ISSN 0004-6256. Bibcode: 1985AJ.....90.1681B. 
  8. ↑ Erwin, Peter; Gutiérrez, Leonel; Beckman, John E. (2012). "A Strong Dichotomy in S0 Disk Profiles between the Virgo Cluster and the Field" (in en). The Astrophysical Journal Letters 744 (1): L11. doi:10.1088/2041-8205/744/1/l11. ISSN 2041-8205. Bibcode: 2012ApJ...744L..11E. http://stacks.iop.org/2041-8205/744/i=1/a=L11. 
  9. ↑ Fouqué, P.; Solanes, J. M.; Sanchis, T.; Balkowski, C. (2001-09-01). "Structure, mass and distance of the Virgo cluster from a Tolman-Bondi model" (in en). Astronomy & Astrophysics 375 (3): 770–780. doi:10.1051/0004-6361:20010833. ISSN 0004-6361. Bibcode: 2001A&A...375..770F. 

External links



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