Astronomy:NGC 3675

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NGC 3675
NGC 3675 in Schulman telescope
Observation data (J2000 epoch)
ConstellationUrsa Major[1]
Right ascension 11h 26m 08.5689s[2]
Declination+43° 35′ 09.696″[2]
Redshift0.002568[2]
Helio radial velocity770±1 km/s[2]
Distance53 ± 10 Mly (16.2 ± 3.1 Mpc)[2]
Apparent magnitude (V)10.0[1]
Characteristics
TypeSA(s)b[2]
Size~105,700 ly (32.41 kpc) (estimated)[2]
Apparent size (V)5.9′ × 3.1′[1]
Other designations
IRAS 11234+4351, NGC 3675, UGC 6439, MCG+07-24-004, PGC 35164[2]

NGC 3675 is a spiral galaxy located in the northern constellation of Ursa Major.[1] It is located at a distance of about 50 million light years from Earth, which, given its apparent dimensions, means that NGC 3675 is about 100,000 light years across. It was discovered by German-British astronomer William Herschel on 14 January 1788.[3] NGC 3675 belongs to the Ursa Major Cluster, part of the Virgo Supercluster.[4]

It hosts a low-ionization nuclear emission-line region (LINER).[5] In the nucleus lies a supermassive black hole with an estimated mass of 10-39 million M☉, based on the intrinsic velocity dispersion as measured by the Hubble Space Telescope.[6] Although the galaxy was reported to have a strong bar visible in infrared images, there has been no indication of a bar in further observations.[7] Its spiral disk is of type III and there is a dust structure which is more prominent to the east.[8] The galaxy features two ring structures, with diameter 1.62 and 2.42 arcminutes.[9] The spiral arms are tightly wound and form an inner pseudoring and they continue for one revolution outside the ring. The outer arms are very patchy and filamentary.[10]

Supernova

One supernova has been observed in NGC 3675: SN 1984R (type unknown, mag. 13) was discovered by Kaoru Ikeya on 2 December 1984.[11][12]

  • NGC 3675 (SDSS DR14)
    NGC 3675 (SDSS DR14)
  • NGC 3675 (HST)
    NGC 3675 (HST)

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 Finlay, Warren H. (2014). Concise Catalogue of Deep-Sky Objects. The Patrick Moore Practical Astronomy Series (2nd ed.). Springer Cham. p. 264. doi:10.1007/978-3-319-03170-5. ISBN 978-3-319-03169-9. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 "NASA/IPAC Extragalactic Database". Results for object NGC 3675. https://ned.ipac.caltech.edu/byname?objname=ngc+3675. 
  3. ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 3675". https://cseligman.com/text/atlas/ngc36a.htm#3675. 
  4. ↑ "The Ursa Major Groups". http://www.atlasoftheuniverse.com/galgrps/uma.html. 
  5. ↑ McKernan, B.; Ford, K. E. S.; Reynolds, C. S. (20 July 2010). "Black hole mass, host galaxy classification and AGN activity". Monthly Notices of the Royal Astronomical Society 407 (4): 2399–2410. doi:10.1111/j.1365-2966.2010.17068.x. Bibcode: 2010MNRAS.407.2399M. 
  6. ↑ Beifiori, A.; Sarzi, M.; Corsini, E. M.; Bontà, E. Dalla; Pizzella, A.; Coccato, L.; Bertola, F. (10 February 2009). "Upper Limits on the Masses of 105 Supermassive Black Holes from Hubble Space Telescope/Space Telescope Imaging Spectrograph Archival Data". The Astrophysical Journal 692 (1): 856–868. doi:10.1088/0004-637X/692/1/856. Bibcode: 2009ApJ...692..856B. 
  7. ↑ Möllenhoff, C.; Heidt, J. (15 March 2001). "Surface photometry of spiral galaxies in NIR:Structural parameters of disks and bulges". Astronomy & Astrophysics 368 (1): 16–37. doi:10.1051/0004-6361:20000335. Bibcode: 2001A&A...368...16M. https://www.aanda.org/articles/aa/full/2001/10/aa10227/aa10227.html. 
  8. ↑ Gutiérrez, Leonel; Erwin, Peter; Aladro, Rebeca; Beckman, John E. (1 November 2011). "The Outer Disks of Early-type Galaxies. II. Surface-brightness Profiles of Unbarred Galaxies and Trends with Hubble Type". The Astronomical Journal 142 (5): 145. doi:10.1088/0004-6256/142/5/145. Bibcode: 2011AJ....142..145G. 
  9. ↑ Comerón, S.; Salo, H.; Laurikainen, E.; Knapen, J. H.; Buta, R. J.; Herrera-Endoqui, M.; Laine, J.; Holwerda, B. W. et al. (19 February 2014). "ARRAKIS: atlas of resonance rings as known in the S4G". Astronomy & Astrophysics 562: A121. doi:10.1051/0004-6361/201321633. Bibcode: 2014A&A...562A.121C. 
  10. ↑ Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M. et al. (November 2002). "Near-Infrared and Optical Morphology of Spiral Galaxies". The Astrophysical Journal Supplement Series 143 (1): 73–111. doi:10.1086/342340. Bibcode: 2002ApJS..143...73E. 
  11. ↑ Kosai, H.; Ikeya, K.; Shibasaki, H. (1984). "Possible Supernova in NGC 3675". International Astronomical Union Circular (4021): 1. Bibcode: 1984IAUC.4021....1K. http://www.cbat.eps.harvard.edu/iauc/04000/04021.html#item1. 
  12. ↑ "SN 1984R". IAU. https://www.wis-tns.org/object/1984R. 

Template:NGC objects:3001-4000

Coordinates: Sky map 11h 26m 08.5689s, +43° 35′ 09.696″



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