Astronomy:NGC 3309

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Short description: Galaxy in the constellation Hydra
NGC 3309
Color cutout hst 06554 07 wfpc2 f814w f555w pc sci NGC 3309.jpg
Hubble Space Telescope image of NGC 3309.
Observation data (J2000 epoch)
ConstellationHydra
Right ascension 10h 36m 35.7s[1]
Declination−27° 31′ 06″[1]
Redshift0.013593[1]
Helio radial velocity4075 km/s[1]
Distance197 Mly (60.3 Mpc)[1]
Group or clusterHydra Cluster
Apparent magnitude (V)12.60[1]
Characteristics
TypeE3[1]
Size~146,400 ly (44.88 kpc) (estimated)[1]
Apparent size (V)1.9 x 1.6[1]
Notable featuresRadio Jet
Other designations
ESO 501-36, AM 1034-271, MCG -4-25-34, PGC 31466[1]

NGC 3309 is a giant elliptical galaxy[2] located about 200 million light-years away[3] in the constellation Hydra.[4] NGC 3309 was discovered by astronomer John Herschel on March 24, 1835.[5][6] The galaxy forms a pair with NGC 3311[7] which lies about 72,000 ly (22 kpc) away.[8] Both galaxies dominate the center[7] of the Hydra Cluster.[9]

Radio Jet

NGC 3309 has a radio jet emerging out of its center. The jet is two-sided and the northeastern part of the jet appears to end in a spur. The southwestern part of the jet lies along a straight line. At a projected distance of about ~3,300 ly (1 kpc) from the nucleus, the jet appears to narrow into a nozzle-like structure before it expands into a lobe extending away from the galaxy.

The predominant part of the radio emission in the Hydra Cluster comes from NGC 3309.[10] The radio emission in NGC 3309 may have been triggered by a recent perturbation with the giant spiral galaxy NGC 3312.[7]

Globular clusters

NGC 3309 has an estimated population of about 364 ± 210 globular clusters.[2] Due to the influence of the nearby galaxy NGC 3311, NGC 3309 may have been stripped of part of its original globular cluster system with some of the galaxy's globular clusters becoming members of NGC 3311's population.[11]

See also

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 3309. http://nedwww.ipac.caltech.edu/. 
  2. ↑ 2.0 2.1 Wehner, Elizabeth M. H.; Harris, William E.; Whitmore, Bradley C.; Rothberg, Barry; Woodley, Kristin A. (2008). "The Globular Cluster Systems around NGC 3311 and NGC 3309" (in en). The Astrophysical Journal 681 (2): 1233. doi:10.1086/587433. ISSN 0004-637X. Bibcode: 2008ApJ...681.1233W. http://stacks.iop.org/0004-637X/681/i=2/a=1233. 
  3. ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+3309&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 3309". http://spider.seds.org/ngc/revngcic.cgi?NGC3309. 
  5. ↑ Gottlieb, Steve. "Astronomy-Mall: Adventures In Deep Space NGC objects 3001-3999". http://www.astronomy-mall.com/Adventures.In.Deep.Space/NGC%203000%20-%203999%20(11-30-17).htm. 
  6. ↑ "New General Catalog Objects: NGC 3300 - 3349" (in en-US). https://cseligman.com/text/atlas/ngc33.htm#3309. 
  7. ↑ 7.0 7.1 7.2 Kotanyi, C. (November 1990). "NGC 3309: an S-shaped radio galaxy in a nearby cluster". Revista Mexicana de Astronomía y Astrofísica 21: 173–176. Bibcode: 1990RMxAA..21..173K. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1990RMxAA..21..173K&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf. 
  8. ↑ Yamasaki, N. Y.; Ohashi, T.; Furusho, T. (2002). "Chandra Observation of the Central Galaxies in the A1060 Cluster of Galaxies" (in en). The Astrophysical Journal 578 (2): 833–841. doi:10.1086/342652. ISSN 0004-637X. Bibcode: 2002ApJ...578..833Y. http://stacks.iop.org/0004-637X/578/i=2/a=833. 
  9. ↑ Richter, O.-G. (February 1989). "The Hydra I cluster of galaxies. V - A catalogue of galaxies in the cluster area". Astronomy and Astrophysics Supplement Series 77: 237–256. Bibcode: 1989A&AS...77..237R. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1989A%26AS...77..237R&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf. 
  10. ↑ Lindblad, P. O.; Jorsater, S., S.; Sandqvist, Aa. (March 1985). "The nuclear radio sources in the elliptical galaxies NGC 3309 and NGC 3311 in the cluster Abell 1060". Astronomy and Astrophysics 144: 496–501. Bibcode: 1985A&A...144..496L. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1985A%26A...144..496L&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf. 
  11. ↑ Richtler, T.; Salinas, R.; Misgeld, I.; Hilker, M.; Hau, G. K. T.; Romanowsky, A. J.; Schuberth, Y.; Spolaor, M. (2011-06-24). "The dark halo of the Hydra I galaxy cluster: core, cusp, cosmological?" (in en). Astronomy & Astrophysics 531: A119. doi:10.1051/0004-6361/201015948. ISSN 0004-6361. Bibcode: 2011A&A...531A.119R. 

External links



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