NGC 1029

NGC 1029
NGC 1029 seen by Pan-STARRS
Observation data (J2000 epoch)
ConstellationAries
Right ascension02h 39m 36.5522s
Declination+10° 47′ 35.698″
Redshift0.012125
Heliocentric radial velocity3620 km/s
Distance37.3 Megaparsec
Group or clusterLGG 69
Apparent magnitude (V)13.11
Apparent magnitude (B)14.20
Absolute magnitude (V)-21.55
Absolute magnitude (B)-20.75
Magnitude (J)10.624
Magnitude (H)9.934
Magnitude (K)9.628
Characteristics
TypeS0/a
Size43.54 kiloparsec
Half-light radius (apparent)2 arcseconds
Other designations
UGC 02149, CGCG 439-024, CGCG 0236.9+1035, MCG +02-07-024, LEDA 10078, GC 5270, Marth 73

NGC 1029 is a Lenticular galaxy in the Constellation Aries. NGC 1029 is discovered by Albert Marth on October 1, 1864. John Louis Emil Dreyer described it as Faint, Small and much Extended. It is 37.3 Megaparsecs away from Earth. NGC 1029 is located in a isolated triplet of galaxies.

Properties

NGC 1029 is found to not host an active galactic nucleus. A survey conducted by Green Bank Telescope found a total neutral hydrogen (H I) mass (MHI) of (5.19 ± 0.09) × 109 M☉ and an integrated H I flux of 8.32 ± 0.15 Jy km s-1. NGC 1029 has an estimated total log10(M*/M☉) of 10.63 ± 0.10 M☉, a stellar mass-to-light ratio of 0.50 M☉/L☉ and a log10star formation rate (SFR) of −1.36 ± 0.23.

NGC 1029 has a Photometric inclination angle (iphot) of 90°, indicating it is an edge-on galaxy. NGC 1029 has a Luminosity weighed mean stellar age (T (Gyr)) of 10 ± 2 and a metallicity [Z/H] of +0.4, indicating that NGC 1029 has an old stellar population and a super-solar disc.

Galaxy Group

NGC 1029 is part of the galaxy group known as LGG 69. It consists of three members, namely NGC 1024 and NGC 990. In R. Brent Tully's 2MASS Group catalog, NGC 1029 is part of Group 201288, which consist of 3 members, has a group mass of 0.112 × 1014 M☉ and a observed velocity dispersion (σv) of 70 km/s.

In the Catalog of Isolated Triplets of Galaxies by Valentina Karachentseva, Igor Karachentsev, and A. L. Shcherbanovsky, NGC 1029 is KTG 9b. NGC 1029 is found to have tidal arms, clumpy structure around the disk and additional structure in the outskirts. NGC 1029 is considered to be a pair of galaxies with NGC 1024 known as Mahtessian 43.

In the book by Fritz Zwicky's Catalog of Galaxies and of Clusters of Galaxies, NGC 1029 is part of an extended region known as Zwicky 3154, which consists of 144 members. Zwicky 3154 is considered as very distant and open. A 1952 photometric study mistakenly listed NGC 1029 as the star cluster NGC 1049 in the Fornax Dwarf. In the WBL catalog, NGC 1029 is part of WBL 82, which consists of 3 members, including NGC 1028 and NGC 1024.

References

  1. ↑ Seligman, Courtney. "NGC 1000". Celestial Atlas. Retrieved 2026-11-12.
  2. ↑ Dreyer, J. L. E. (1888). "A New General Catalogue of Nebulae and Clusters of Stars, being the Catalogue of the late Sir John F. W. Herschel, Bart., revised, corrected, and enlarged". Memoirs of the Royal Astronomical Society. 49: 1–237. Bibcode:1888MmRAS..49....1D.
  3. ↑ Asmus, D.; Greenwell, C. L.; Gandhi, P.; Boorman, P. G.; Aird, J.; et al. (2020). "Local AGN survey (LASr): I. Galaxy sample, infrared colour selection, and predictions for AGN within 100 Mpc". Monthly Notices of the Royal Astronomical Society. 494 (2): 1784–1816. arXiv:2003.05959. Bibcode:2020MNRAS.494.1784A. doi:10.1093/mnras/staa766.
  4. ↑ Wei, Lisa H.; Kannappan, Sheila J.; Vogel, Stuart N.; Baker, Andrew J. (2010). "Gas Mass Fractions and Star Formation in Blue-Sequence E/S0 Galaxies". The Astrophysical Journal. 708 (1): 841–861. Bibcode:2010ApJ...708..841W. doi:10.1088/0004-637X/708/1/841.
  5. ↑ Leroy, Adam K.; Sandstrom, Karin M.; Lang, Dustin; Lewis, Alexia; Salim, Samir; Behrens, Erica A.; Chastenet, Jérémy; Chiang, I-Da; Gallagher, Molly J.; Kessler, Sarah; Utomo, Dyas (2019). "A z = 0 Multiwavelength Galaxy Synthesis. I. A WISE and GALEX Atlas of Local Galaxies". The Astrophysical Journal Supplement Series. 244 (2): 24. Bibcode:2019ApJS..244...24L. doi:10.3847/1538-4365/ab3925.
  6. ↑ Sil'chenko, O. K.; Proshina, I. S.; Shulga, A. P.; Koposov, S. E. (2012). "Stellar population properties and star formation history of nearby S0 galaxies". Monthly Notices of the Royal Astronomical Society. 427 (1): 790–805. Bibcode:2012MNRAS.427..790S. doi:10.1111/j.1365-2966.2012.21990.x.
  7. ↑ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy & Astrophysics Supplement Series. 100: 47–90. Bibcode:1993A&AS..100...47G.
  8. ↑ Tully, R. Brent (2015). "Galaxy Groups: A 2MASS Catalog". The Astronomical Journal. 149 (5): 171. Bibcode:2015AJ....149..171T. doi:10.1088/0004-6256/149/5/171.
  9. ↑ Karachentseva, V. E.; Karachentsev, I. D.; Lebedev, V. S. (1987). "Catalogue of Isolated Triplets of Galaxies". Bulletin d'Information du Centre de Données Stellaires. 32: 81. Bibcode:1987BICDS..32...81K.
  10. ↑ Hernández-Toledo, H. M.; Méndez-Hernández, H.; Aceves, H.; Olguín, L. (2011). "BVRI Surface Photometry of Isolated Galaxy Triplets". The Astronomical Journal. 141 (3): 74. Bibcode:2011AJ....141...74H. doi:10.1088/0004-6256/141/3/74.
  11. ↑ Mahtessian, A. P. (1998). "Groups of galaxies. III. Some empirical characteristics". Astrophysics. 41 (3): 308–321. Bibcode:1998Ap.....41..308M. doi:10.1007/BF03036100.
  12. ↑ Zwicky, Fritz; Herzog, Emil; Wild, Paul; Karpowicz, Maria; Kowal, Charles T. (1961–1968). Catalogue of Galaxies and of Clusters of Galaxies. Pasadena: California Institute of Technology. Bibcode:1961CGCG..C......0Z.
  13. ↑ Gascoigne, S. C. B.; Kron, Gerald E. (August 1952). "Colors and Magnitudes of Some Star Clusters in the Magellanic Clouds". Publications of the Astronomical Society of the Pacific. 64 (379): 196–200. Bibcode:1952PASP...64..196G. doi:10.1086/126462.
  14. ↑ White, Richard A.; Bliton, Mark; Bhavsar, Suketu P.; Bornmann, Patricia; Burns, Jack O.; Ledlow, Michael J.; Loken, Christen (1999). "A Catalog of Nearby Poor Clusters of Galaxies". The Astronomical Journal. 118 (5): 2014–2037. Bibcode:1999AJ....118.2014W. doi:10.1086/301103.