NGC 3264

NGC 3264
The spiral galaxy NGC 3264.
Observation data
ConstellationUrsa Major
Right ascension10h 32m 19.7s[1]
Declination+56° 05′ 07″[1]
Redshift0.003139 ± 0.000003[1]
Heliocentric radial velocity941±1 km/s[1]
Distance61.32 ± 13.85 Mly (18.800 ± 4.247 Mpc)[2]
Apparent magnitude (V)12.0[3]
Apparent magnitude (B)12.5[3]
Surface brightness13.35[3]
Characteristics
TypeSBdm?[1] SBm[3] SBm?[4]
Size19.14 kpc[1][alpha 1]
Apparent size (V)2.9′ × 1.2′[3]
Other designations
  • PGC 31125
  • UGC 5719
  • MCG 9-17-69
  • CGCG 266-54
  • IRAS 10291+5620[3]

NGC 3264 is a spiral galaxy located in the constellation of Ursa Major. It was discovered by the British astronomer John Herschel in 1831.[4]

Characteristics

Its velocity relative to the cosmic microwave background is 1006±12 km/s, corresponding to a Hubble distance of 53.2 ± 3.8 Mly (16.31 ± 1.15 Mpc).[1]

To date, seven measurements not based on redshift give a distance of 61.32 ± 13.85 Mly (18.800 ± 4.247 Mpc).[2] This value lies within the range predicted by the Hubble distance. Since this galaxy is relatively close to the Local Group, this value is likely closer to its true distance. The NASA/IPAC Extragalactic Database calculates galaxy diameters using the mean of independent measurements when available.

NGC 3264 has a luminosity class of IV–V and exhibits a strong H I line. It also contains ionized hydrogen regions.[1]

NGC 3264 Group

NGC 3264 is bright in X-rays[1] and is part of a galaxy group that bears its name. The NGC 3264 Group contains at least six galaxies. The other five members are NGC 3206, NGC 3220, NGC 3353, UGC 5848, and UGCA 211.[5]

The same group, with the same member galaxies, was also mentioned in a study published by A. M. Garcia in 1993.[6]

See also

Notes

  1. ^ Diameter measured in the POSS I 103a-O band.

References

  1. ^ a b c d e f g h i "Results for object NGC 3264". NASA/IPAC Extragalactic Database. Retrieved 12 November 2022.
  2. ^ a b "Distance results for NGC 3264". NASA/IPAC Extragalactic Database. Retrieved 13 November 2022.
  3. ^ a b c d e f "Revised NGC and IC Catalog by Wolfgang Steinicke, NGC 3200 to 3299". astrovalleyfield.com. Retrieved 6 January 2024.
  4. ^ a b Seligman, Courtney. "Celestial Atlas Table of Contents, NGC 3264". Retrieved 12 November 2022.
  5. ^ Sengupta, Chandreyee; Balasubramanyam, Ramesh (2006). "HI content in galaxies in loose groups". Monthly Notices of the Royal Astronomical Society. 369 (1): 360–368. arXiv:astro-ph/0604020. doi:10.1111/j.1365-2966.2006.10307.x.
  6. ^ Garcia, A. M. (1993). "General study of group membership. II – Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47–90.

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