Astronomy:NGC 3753

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NGC 3753
NGC 3753 is sandwiched between NGC 3754 and NGC 3750
Observation data (J2000 epoch)
ConstellationLeo
Right ascension11h 37m 53.90s
Declination+21d 58m 53.0s
Redshift0.029064
Helio radial velocity8,713 km/s
Distance435 Mly (133.37 Mpc)
Group or clusterCopeland Septet
Apparent magnitude (V)14.52
Characteristics
TypeSb, LINER, SAb
Size258,000 ly
Other designations
PGC 36016, UGC 6602, VV 282a, KUG 1135+222, MCG +04-28-010, SPRC 203, Copeland Septet NED06, HCG 057A, 2MASS J11375380+2158520, 2MASX J11375378+2158520, SDSS J113753.78+215851.8, WBL 343-005, NSA 139944, SSTL2 J113753.80+215852.4, LEDA 36016

NGC 3753 is a large barred spiral galaxy located in the Leo constellation.[1] It is located 435 million light-years away from the earth[2] and was discovered on February 9, 1874, by Ralph Copeland.[3]

NGC 3753 is classified as a LINER galaxy, meaning it presents an emission spectrum characterized by broad lines of weak ionized atoms. It also has a luminosity class of I-II.[2] NGC 3753 is viewed edge-on. The edge-on view is the reason why we see a dust lane in NGC 3753.

Copeland Septet

Sloan Digital Sky Survey image of NGC 3753 and two members of Copeland Septet.

NGC 3753 is a member of the Copeland Septet which consists of 7 galaxies discovered by Copeland in 1874.[4] The other members are NGC 3746, NGC 3745, NGC 3748, NGC 3750, NGC 3751 and NGC 3754.[5]

Halton Arp noticed the 7 galaxies in the group, in which he published the article in 1966.[6] The group is designated as Arp 320 along another galaxy, PGC 36010.[7]

This group was observed by Paul Hickson in which he included them in his article in 1982.[8] The group is known as Hickson 57 in which NGC 3753 is the dominant member.[9]

References

  1. ↑ "NGC 3753 - Barred Spiral Galaxy in Leo | TheSkyLive.com". https://theskylive.com/sky/deepsky/ngc3753-object. 
  2. ↑ 2.0 2.1 "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=56900&objname=2&img_stamp=YES&hconst=73.0&omegam=0.27&omegav=0.73&corr_z=1. 
  3. ↑ "New General Catalog Objects: NGC 3750 - 3799". https://cseligman.com/text/atlas/ngc37a.htm#3753. 
  4. ↑ Bakich, Michael E. (2024-01-01). "Copeland's Septet" (in en-US). https://www.astronomy.com/science/copelands-septet/. 
  5. ↑ "Copeland's Septet (Hickson Compact Group 57) – Constellation Guide". https://www.constellation-guide.com/copelands-septet/. 
  6. ↑ "NED Search Results for ARP 320". https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=Arp+320&extend=yes&out_csys=Equatorial&out_equinox=B1950.0&obj_sort=RA+or+Longitude&zv=z&zv_breaker=10000.0. 
  7. ↑ "Copeland's Septet (Arp 320) - Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets, Telescopes". https://cs.astronomy.com/asy/m/galaxies/492462.aspx. 
  8. ↑ Hickson, P. (1982-04-01). "Systematic properties of compact groups of galaxies.". The Astrophysical Journal 255: 382–391. doi:10.1086/159838. ISSN 0004-637X. Bibcode: 1982ApJ...255..382H. https://ui.adsabs.harvard.edu/abs/1982ApJ...255..382H. 
  9. ↑ "N3700-N3799". http://astrovalleyfield.ca/AstronomieCompl/NGC%20et%20autres/WolfgangS/N3700_exc_web.htm. 



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