NGC 3750

Last updated
NGC 3750
NGC 3750.jpg
NGC 3750 with NGC 3753 beneath it
Observation data (J2000 epoch)
Constellation Leo
Right ascension 11h 37m 51.637s
Declination +21d 58m 27.26s
Redshift 0.030258
Heliocentric radial velocity 9,071 km/s
Distance 450 Mly (138 Mpc)
Group or cluster Copeland Septet
Apparent magnitude  (V)13.9
Surface brightness 23.7 mag/arcsec
Characteristics
Type SAB0?, E-S0
Size156,000 ly
Other designations
PGC 36011, CGCG 127-009, VV 282c, MCG +04-28-008, Copeland Septet NED04, HCG 057C, 2MASS J11375165+2158272, SDSS J113751.63+215827.2, NSA 112843, 2XMM J113751.7+215827, LEDA 36011

NGC 3750 is a barred lenticular galaxy [1] located in the constellation of Leo. [2] [3] It is located 450 million light years away from Earth. [4] and was discovered by Ralph Copeland on February 9, 1874. [5]

NGC 3750 has a surface brightness of magnitude 23.7 [2] and is classified a LINER galaxy by SIMBAD, meaning it has a nucleus, presenting an emission spectrum characterized by broad lines of weakly ionized atoms. [6]

Copeland Septet

NGC 3750 is a member of the Copeland Septet which is made up of 7 seven galaxies discovered by Copeland. [7] The other members are NGC 3745, NGC 3746, NGC 3748, NGC 3751, NGC 3753 and NGC 3754. [8]

Halton Arp noticed the galaxies in the group, whom he published in his article in 1966. [9] This group is designated as Arp 320 along with another galaxy, PGC 36010. [10]

This group was also observed by Paul Hickson whom he included in his article in 1982. [11] The group is known as Hickson 57, in which NGC 3750 is designated is HCG 57C. [12]

References

  1. ↑ "HyperLeda -object description". atlas.obs-hp.fr. Retrieved 2024-05-02.
  2. 1 2 Astronomy, Go. "NGC 3750 | galaxy in Leo | NGC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-05-02.
  3. ↑ "NGC 3750". spider.seds.org. Retrieved 2024-05-02.
  4. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-05-02.
  5. ↑ "New General Catalog Objects: NGC 3750 - 3799". cseligman.com. Retrieved 2024-05-02.
  6. ↑ "NGC 3750 - LINER-type Active Galaxy Nucleus". simbad.u-strasbg.fr. Retrieved 2024-05-02.
  7. ↑ Bakich, Michael E. (2024-01-01). "Copeland's Septet". Astronomy Magazine. Retrieved 2024-05-02.
  8. ↑ "Copeland's Septet (Hickson Compact Group 57) – Constellation Guide". www.constellation-guide.com. Retrieved 2024-05-02.
  9. ↑ "NED Search Results for ARP 320". ned.ipac.caltech.edu. Retrieved 2024-05-02.
  10. ↑ "Copeland's Septet (Arp 320) - Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets, Telescopes". cs.astronomy.com. Retrieved 2024-05-02.
  11. ↑ Hickson, P. (1982-04-01). "Systematic properties of compact groups of galaxies". The Astrophysical Journal. 255: 382–391. Bibcode:1982ApJ...255..382H. doi:10.1086/159838. ISSN   0004-637X.
  12. ↑ "Data from Revised NGC and IC catalogue by Wolfgang Steinicke - NGC 3700 to 3799". astrovalleyfield.ca. Retrieved 2024-05-02.
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