Galaxy of the Fornax Cluster
NGC 1369 is abarred lenticular galaxy located 59 million light years away[ 4] in constellation ofEridanus . The galaxy was discovered by astronomerJulius Schmidt on January 19, 1865,[ 5] and is a member of theFornax Cluster .[ 6] NGC 1369 is a host to asupermassive black hole with an estimated mass of 1.8 millionsolar masses .[ 7]
Surrounding NGC 1369 is a population of a least 11 knownglobular clusters .[ 8]
Physical characteristics [ edit ] In the disk of NGC 1369, there are two bright, diffusespiral arms which break of a relatively weak bar structure. These arms quickly fade in the diffuse outer disk.[ 9] Despite the presence of spiral arms, the galaxy is very red which actually makes NGC 1369 alenticular galaxy .[ 10] Also, the galaxy is devoid of atomic and molecular gas,[ 11] and does not show any indications of ionised-gas emission as a result ofstar formation . Observations in X-rays have shown that it is infalling in a transional region of the Fornax Cluster between the high and low-density regions of the cluster where the X-ray emission is still present. As a result,ram-pressure stripping would have acted to stop star formation once the galaxy entered into the cluster core,[ 12] causing it to transion from aspiral galaxy to alenticular galaxy .[ 11]
^a b c d e f g h i j "NASA/IPAC Extragalactic Database" .Results for NGC 1369 . Retrieved2024-06-28 .^ Martín-Navarro, I.; Pinna, F.; Coccato, L.; Falcón-Barroso, J.; Ven, G. van de; Lyubenova, M.; Corsini, E. M.; Fahrion, K.; Gadotti, D. A.; Iodice, E.; McDermid, R. M.; Poci, A.; Sarzi, M.; Spriggs, T. W.; Viaene, S. (2021-10-01)."Fornax 3D project: Assessing the diversity of IMF and stellar population maps within the Fornax Cluster" .Astronomy & Astrophysics .654 : A59.arXiv :2107.14243 .Bibcode :2021A&A...654A..59M .doi :10.1051/0004-6361/202141348 .ISSN 0004-6361 . ^ Firth, P.; Drinkwater, M. J.; Evstigneeva, E. A.; Gregg, M. D.; Karick, A. M.; Jones, J. B.; Phillipps, S. (2007-11-01)."Compact stellar systems around NGC 1399" .Monthly Notices of the Royal Astronomical Society .382 (3):1342– 1352.arXiv :0709.2517 .Bibcode :2007MNRAS.382.1342F .doi :10.1111/j.1365-2966.2007.12474.x .ISSN 0035-8711 . ^ "Your NED Search Results" .ned.ipac.caltech.edu . Retrieved2024-06-28 .^ "New General Catalog Objects: NGC 1350 - 1399" .cseligman.com . Retrieved2024-06-28 .^ Ferguson, Henry C. (1989-08-01)."Population Studies in Groups and Clusters of Galaxies. II. A Catalog of Galaxies in the Central 3.5 Degrees of the Fornax Cluster" .The Astronomical Journal .98 : 367.Bibcode :1989AJ.....98..367F .doi :10.1086/115152 .ISSN 0004-6256 . ^ Arzoumanian, Zaven; Baker, Paul T.; Brazier, Adam; Brook, Paul R.; Burke-Spolaor, Sarah; Becsy, Bence; Charisi, Maria; Chatterjee, Shami; Cordes, James M.; Cornish, Neil J.; Crawford, Fronefield; Cromartie, H. Thankful; Decesar, Megan E.; Demorest, Paul B.; Dolch, Timothy (2021-06-01)."The NANOGrav 11 yr Data Set: Limits on Supermassive Black Hole Binaries in Galaxies within 500 Mpc" .The Astrophysical Journal .914 (2): 121.arXiv :2101.02716 .Bibcode :2021ApJ...914..121A .doi :10.3847/1538-4357/abfcd3 .ISSN 0004-637X . ^ Fahrion, K.; Lyubenova, M.; Hilker, M.; Ven, G. van de; Falcón-Barroso, J.; Leaman, R.; Martín-Navarro, I.; Bittner, A.; Coccato, L.; Corsini, E. M.; Gadotti, D. A.; Iodice, E.; McDermid, R. M.; Pinna, F.; Sarzi, M. (2020-05-01)."The Fornax 3D project: Globular clusters tracing kinematics and metallicities" .Astronomy & Astrophysics .637 : A26.arXiv :2003.13705 .Bibcode :2020A&A...637A..26F .doi :10.1051/0004-6361/202037685 .ISSN 0004-6361 . ^ "NGC 1369 - SAB(s)a" .kudzu.astr.ua.edu . Retrieved2024-06-28 .^ Fuller, C.; Davies, J. I.; Auld, R.; Smith, M. W. L.; Baes, M.; Bianchi, S.; Bocchio, M.; Boselli, A.; Clemens, M.; Davis, T. A.; De Looze, I.; di Serego Alighieri, S.; Grossi, M.; Hughes, T. M.; Viaene, S. (2014-05-01)."The Herschel Fornax Cluster Survey II: FIR properties of optically selected Fornax cluster galaxies" .Monthly Notices of the Royal Astronomical Society .440 (2):1571– 1589.arXiv :1403.0589 .Bibcode :2014MNRAS.440.1571F .doi :10.1093/mnras/stu369 .ISSN 0035-8711 . ^a b Raj, M. A.; Iodice, E.; Napolitano, N. R.; Spavone, M.; Su, H. -S.; Peletier, R. F.; Davis, T. A.; Zabel, N.; Hilker, M.; Mieske, S.; Falcon Barroso, J.; Cantiello, M.; van de Ven, G.; Watkins, A. E.; Salo, H. (2019-08-01)."The Fornax Deep Survey with the VST. VII. Evolution and structure of late type galaxies inside the virial radius of the Fornax cluster" .Astronomy and Astrophysics .628 : A4.arXiv :1906.08704 .Bibcode :2019A&A...628A...4R .doi :10.1051/0004-6361/201935433 .ISSN 0004-6361 . ^ Iodice, E.; Sarzi, M.; Bittner, A.; Coccato, L.; Costantin, L.; Corsini, E. M.; van de Ven, G.; de Zeeuw, P. T.; Falcón-Barroso, J.; Gadotti, D. A.; Lyubenova, M.; Martín-Navarro, I.; McDermid, R. M.; Nedelchev, B.; Pinna, F. (2019-07-01)."The Fornax3D project: Tracing the assembly history of the cluster from the kinematic and line-strength maps" .Astronomy and Astrophysics .627 : A136.arXiv :1906.08187 .Bibcode :2019A&A...627A.136I .doi :10.1051/0004-6361/201935721 .ISSN 0004-6361 .
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