Astronomy:NGC 3735

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NGC 3735
NGC 3735 imaged by SDSS
Observation data (J2000 epoch)
ConstellationDraco
Right ascension 11h 35m 57.2586s[1]
Declination+70° 32′ 07.774″[1]
Redshift0.008993±0.00000700[1]
Helio radial velocity2,696±2 km/s[1]
Distance123.87 ± 3.81 Mly (37.979 ± 1.167 Mpc)[1]
Group or clusterNGC 3735 group (LGG 240)
Apparent magnitude (V)12.50[1]
Characteristics
TypeSAc? edge-on[1]
Size~154,900 ly (47.50 kpc) (estimated)[1]
Apparent size (V)4.2′ × 0.8′[1]
Other designations
IRAS 11330+7048, UGC 6567, MCG+12-11-036, PGC 35869[1]

NGC 3735 is a spiral galaxy in the constellation of Draco. Its velocity with respect to the cosmic microwave background is 2,776±6 km/s, which corresponds to a Hubble distance of 133.5 ± 9.4 Mly (40.94 ± 2.87 Mpc).[1] Additionally, 19 non-redshift measurements give a closer mean distance of 123.87 ± 3.81 Mly (37.979 ± 1.167 Mpc).[2] It was discovered by German-British astronomer William Herschel on 7 December 1801.[3][4]

NGC 3735 is a Seyfert II galaxy, i.e. it has a quasar-like nucleus with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host galaxy is clearly detectable.[5][6]

Supermassive black hole

Based on measurements of the near-infrared K-band luminosity of the galaxy's bulge, NGC 3735 has a supermassive black hole with a mass of 1×107.6M☉ (40 million solar masses).[7]

Nuclear maser source

A survey conducted in 1996 and 1997 for H
2O maser emission in the active galactic nuclei of 29 galaxies found one new maser in NGC 3735.[8]

NGC 3735 group

NGC 3735 is a member the NGC 3735 group (also known as LGG 240), which contains three galaxies, including UGC 6552 and UGC 6711.[9][10]

Supernova

One supernova has been observed in NGC 3735:

  • SN 1998cn (Type Ia, mag. 15.8) was discovered by Michael Schwartz on 17 June 1998.[11][12]

See also

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 "Results for object NGC 3735". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=NGC+3735. 
  2. ↑ "Distance Results for NGC 3735". NASA. https://ned.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+3735. 
  3. ↑ Herschel, William (1802). "Catalogue of 500 New Nebulae, Nebulous Stars, Planetary Nebulae, and Clusters of Stars; with Remarks on the Construction of the Heavens". Philosophical Transactions of the Royal Society of London 92: 477–528. doi:10.1098/rstl.1802.0021. Bibcode: 1802RSPT...92..477H. 
  4. ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 3735". https://cseligman.com/text/atlas/ngc37.htm#3735. 
  5. ↑ Véron-Cetty, M.-P.; Véron, P. (2010). "A catalogue of quasars and active nuclei: 13th edition". Astronomy and Astrophysics 518: A10. doi:10.1051/0004-6361/201014188. Bibcode: 2010A&A...518A..10V. 
  6. ↑ "NGC 3735". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+3735. 
  7. ↑ Dong, X. Y.; De Robertis, M. M. (2006). "Low-Luminosity Active Galaxies and Their Central Black Holes". The Astronomical Journal 131 (3): 1236. doi:10.1086/499334. Bibcode: 2006AJ....131.1236D. 
  8. ↑ Greenhill, L. J.; Herrnstein, J. R.; Moran, J. M.; Menten, K. M.; Velusamy, T. (1997). "A Search for H2O Maser Emission Toward Active Galactic Nuclei: Discovery of a Nuclear Maser Source in NGC 3735". The Astrophysical Journal 486 (1). doi:10.1086/310824. Bibcode: 1997ApJ...486L..15G. 
  9. ↑ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series 100: 47. Bibcode: 1993A&AS..100...47G. 
  10. ↑ "LGG 240". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=LGG+240. 
  11. ↑ Schwartz, M. (1998). "Supernova 1998cn in NGC 3735". International Astronomical Union Circular (6944): 1. Bibcode: 1998IAUC.6944....1S. http://www.cbat.eps.harvard.edu/iauc/06900/06944.html#Item1. 
  12. ↑ "SN 1998cn". IAU. https://www.wis-tns.org/object/1998cn. 

Coordinates: Sky map 11h 35m 57.2586s, +70° 32′ 07.774″



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