ืœื“ืœื’ ืœืชื•ื›ืŸ

NGC 4350

ืžืชื•ืš ื•ื™ืงื™ืคื“ื™ื”, ื”ืื ืฆื™ืงืœื•ืคื“ื™ื” ื”ื—ื•ืคืฉื™ืช
NGC 4350
NGC 4350 ื‘ืชืžื•ื ื” ืฉืœ ืกืงืจ ื”ืฉืžื™ื ื”ื“ื™ื’ื™ื˜ืœื™ ืฉืœ ืกืœื•ืืŸ
NGC 4350 ื‘ืชืžื•ื ื” ืฉืœ ืกืงืจ ื”ืฉืžื™ื ื”ื“ื™ื’ื™ื˜ืœื™ ืฉืœ ืกืœื•ืืŸ
NGC 4350 ื‘ืชืžื•ื ื” ืฉืœ ืกืงืจ ื”ืฉืžื™ื ื”ื“ื™ื’ื™ื˜ืœื™ ืฉืœ ืกืœื•ืืŸ
ื ืชื•ื ื™ ืชืฆืคื™ืช
ืงื‘ื•ืฆืช ื›ื•ื›ื‘ื™ื ืฉืขืจื•ืช ื‘ืจื ื™ืงื™
ืžื’ืœื” ื•ื™ืœื™ืื ื”ืจืฉืœ
ืชืืจื™ืš ื’ื™ืœื•ื™ 21 ื‘ืžืจืฅ 1784
ืกื•ื’ ื’ืœืงืกื™ื™ืช ืขื“ืฉื”
ื‘ื”ื™ืจื•ืช ื ืจืื™ืช 10.84[1]
ืกื™ื•ื•ื’ ืžื•ืจืคื•ืœื•ื’ื™ SA0[2]
ืขืœื™ื™ื” ื™ืฉืจื” 12สฐย 23แตย 57.8หข
ื ื˜ื™ื™ื” โ€36.1โ€ณย โ€41โ€ฒย โ€16ยฐโ€+
ืžืืคื™ื™ื ื™ื ืคื™ื–ื™ื™ื
ื‘ื”ื™ืจื•ืช ืžื•ื—ืœื˜ืช 20.25-
ืžืจื—ืง[2] 53,800,000 ืฉื ื•ืช ืื•ืจ
16,494,971.79 ืคืืจืกืง
ืงื•ื˜ืจ 46,940[2] ืฉื ื•ืช ืื•ืจ
ืžืกื” โ€Ž6.9ร—1010โ€Žโ€[3] โ˜‰M
ื”ืกื—ื” ืœืื“ื•ื 1,210[2] ืง"ืž/ืฉื ื™ื™ื”
0.004036

NGC 4350 ื”ื™ื ื’ืœืงืกื™ื™ืช ืขื“ืฉื” ื‘ืงื‘ื•ืฆืช ื”ื›ื•ื›ื‘ื™ื ืฉืขืจื•ืช ื‘ืจื ื™ืงื™, ื”ื ืžืฆืืช ื‘ืžืจื—ืง ืฉืœ ื›-54 ืžื™ืœื™ื•ืŸ ืฉื ื•ืช ืื•ืจ ืžืžืขืจื›ืช ื”ืฉืžืฉ ื•ืฉื™ื™ื›ืช ืœืฆื‘ื™ืจ ื”ื‘ืชื•ืœื”.

ืœื’ืœืงืกื™ื” ื‘ื”ื™ืจื•ืช ื ืจืื™ืช ืžื“ืจื’ื” 10.84 ื•ื”ื™ื ื”ืชื’ืœืชื” ื‘-21 ื‘ืžืจืฅ 1784 ืขืœ ื™ื“ื™ ื”ืืกื˜ืจื•ื ื•ื ื•ื™ืœื™ืื ื”ืจืฉืœ, ืฉื›ืœืœ ืื•ืชื” ื‘ืจืฉื™ืžืช ื”ืขืจืคื™ืœื™ื•ืช ืฉืคืจืกื ื‘ืฉื ืช 1786 ืชื—ืช ื”ืฆื™ื•ืŸ II.86, ื›ืืฉืจ ื”ื™ื ืžืชื•ืืจืช ื›ืขืžื•ืžื” ื•ืงื˜ื ื” ื•ืฉื”ื™ื ื”ืžื–ืจื—ื™ืช ืžื‘ื™ืŸ ืฉืชื™ ืขืจืคื™ืœื™ื•ืช ืงืจื•ื‘ื•ืช ื–ื• ืœื–ื• (ื”ืžืขืจื‘ื™ืช ืฉืฆื•ื™ื ื” ืขืœ ื™ื“ื™ื• ื›-II.85, ื”ื™ื NGC 4340).[4] ื‘ื ื•, ื’'ื•ืŸ ื”ืจืฉืœ, ืฆืคื” ื‘ื” ื’ื ื›ืŸ ื•ื”ื›ื ื™ืก ืื•ืชื” ืœืงื˜ืœื•ื’ ื”ืขืจืคื™ืœื™ื•ืช ืฉืคืจืกื ื‘ืฉื ืช 1833 ืชื—ืช ื”ืฆื™ื•ืŸ 1221, ื›ืฉื”ื™ื ืžืชื•ืืจืช ื›ื‘ื”ื™ืจื” ืžืื•ื“, ืžืื•ืจื›ืช ืžืื•ื“ ื•ืฉืžืจื›ื–ื” ืžืชื‘ื”ืจ ื‘ื—ื“ื•ืช.[5] ื”ื•ื ื”ื›ื ื™ืก ืืช ื”ื’ืœืงืกื™ื” ื’ื ืœืงื˜ืœื•ื’ ื”ื›ืœืœื™ ืฉืœ ืขืจืคื™ืœื™ื•ืช ื•ืฆื‘ื™ืจื™ ื›ื•ื›ื‘ื™ื ืฉืคืจืกื ื‘ืฉื ืช 1864 ืชื—ืช ื”ืฆื™ื•ืŸ GC 2903 ื•ื‘ืฉื ืช 1888 ื’'ื•ืŸ ื“ืจื™ื™ืจ ื”ื›ื ื™ืก ืื•ืชื” ืœืงื˜ืœื•ื’ ื”ื›ืœืœื™ ื”ื—ื“ืฉ, ืชื—ืช ื”ืฆื™ื•ืŸ NGC 4350, ื›ืืฉืจ ื”ื™ื ืžืชื•ืืจืช ื›ื“ื™ ื‘ื”ื™ืจื”, ืงื˜ื ื” ืžืื•ื“, ืžืื•ืจื›ืช ืžืื•ื“ ื•ื‘ืขืœืช ืžืจื›ื– ืฉืžืชื‘ื”ืจ ืžืื•ื“ ื‘ื—ื“ื•ืช.[6]

ื”ื’ืœืงืกื™ื” ื ืžืฆืืช ื‘ื—ืœืงื• ื”ืฆืคื•ื ื™ ืฉืœ ืฆื‘ื™ืจ ื”ื‘ืชื•ืœื” ืฉื’ื•ืœืฉ ืœืงื‘ื•ืฆืช ื”ื›ื•ื›ื‘ื™ื ืฉืขืจื•ืช ื‘ืจื ื™ืงื™, ื›-8.7 ืžืขืœื•ืช ืžืžื–ืจื—-ืฆืคื•ืŸ-ืžื–ืจื— ืœื›ื•ื›ื‘ ื”ื‘ื•ืœื˜ ื“ื ื‘ื•ืœื”, ื›-10.9 ืžืขืœื•ืช ืžืžืขืจื‘-ืฆืคื•ืŸ-ืžืขืจื‘ ืœื›ื•ื›ื‘ ื•ื™ื ื“ืžื™ืื˜ืจื™ืงืก ื•ื›-11 ืžืขืœื•ืช ืžืžืขืจื‘ ืœื›ื•ื›ื‘ ฮฑ ื‘ืฉืขืจื•ืช ื‘ืจื ื™ืงื™. ืžืขื˜ ืคื—ื•ืช ืž-6 ื“ืงื•ืช ืงืฉืช ืžืžืขืจื‘-ืฆืคื•ืŸ-ืžืขืจื‘ ืœื”, ื‘ืื•ืชื• ืฉื“ื” ื”ืจืื™ื™ื” ืฉืœ ื˜ืœืกืงื•ืค ื—ื•ื‘ื‘ื™ื, ื ืžืฆืืช NGC 4340, ื›-1.8 ืžืขืœื•ืช ืžืฆืคื•ืŸ-ืฆืคื•ืŸ-ืžืขืจื‘ ืœื” ื ืžืฆืืช NGC 4293, ื›-1.6 ืžืขืœื•ืช ืžืฆืคื•ืŸ-ืฆืคื•ืŸ-ืžื–ืจื— ืœื” ื ืžืฆืื•ืช M85 ื•-NGC 4394 ื•ื›-1.15 ืžืขืœื•ืช ืžืžื–ืจื—-ืฆืคื•ืŸ-ืžื–ืจื— ืœื” ื ืžืฆืืช NGC 4450. ื›-3.5 ืžืขืœื•ืช ื•ื›-3 ืžืขืœื•ืช ืžื“ืจื•ื-ืžื–ืจื— ืœ-NGC 4350 ื ืžืฆืื•ืช ื‘ื”ืชืืžื” M91 ื•-M88, ื›-0.9 ืžืขืœื” ืžื“ืจื•ื-ื“ืจื•ื-ืžื–ืจื— ืœื” ื ืžืฆืืช M100, ื›ืืฉืจ ื›-1.7 ืžืขืœื•ืช ืžืขื‘ืจ ืœื” ื‘ืื•ืชื• ื”ื›ื™ื•ื•ืŸ ื ืžืฆืืช M99, ื•ื›-3 ืžืขืœื•ืช ืžื“ืจื•ื-ืžื–ืจื— ืœ-NGC 4350 ื ืžืฆืืช M98, ื›ื•ืœืŸ ื’ืœืงืกื™ื•ืช ื”ืฉื™ื™ื›ื•ืช ื’ื ื›ืŸ ืœืฆื‘ื™ืจ ื”ื‘ืชื•ืœื”.

ืื•ืจื›ื” ื”ื–ื•ื•ื™ืชื™ ืฉืœ NGC 4350 ื”ื•ื ื›-3 ื“ืงื•ืช ืงืฉืช, ืฉืžืžืจื—ืงื” ืฉืงื•ืœ ืœืงื•ื˜ืจ ืฉืœ ืงืจื•ื‘ ืœ-47,000 ืฉื ื•ืช ืื•ืจ, ืžืขื˜ ืคื—ื•ืช ืžื—ืฆื™ ืžื”ืงื•ื˜ืจ ืฉืœ ืฉื‘ื™ืœ ื”ื—ืœื‘, ืžืกืชื” ืžื•ืขืจื›ืช ื‘ื›-โ€Ž6.9ร—1010โ€Ž ืžืกื•ืช ืฉืžืฉ, ื›ืฉืžื™ื ื™ืช ืžืžืกืช ืฉื‘ื™ืœ ื”ื—ืœื‘, ื›ืืฉืจ ื›-70% ืžืžืกืชื” ืื• ื›-โ€Ž4.9ร—1010โ€Ž ืžืกื•ืช ืฉืžืฉ, ื”ื™ื ืžืกืช ื”ื›ื•ื›ื‘ื™ื ืฉื‘ื’ืœืงืกื™ื”.[3] ื‘ื“ื•ืžื” ืœื’ืœืงืกื™ื•ืช ืื—ืจื•ืช ืžืกื•ื’ื”, ื‘ื’ืœืงืกื™ื” ื™ืฉ ืžืขื˜ ืžื™ืžืŸ ื—ื•ืคืฉื™ ืฉืžืกืชื• ืžื•ืขืจื›ืช ื‘ืคื—ื•ืช ืž-โ€Ž2.2ร—107โ€Ž ืžืกื•ืช ืฉืžืฉ,[7] ื•ืœื›ืŸ ื™ืฆื™ืจื” ืฉืœ ื›ื•ื›ื‘ื™ื ื—ื“ืฉื™ื ืžืชืจื—ืฉืช ื‘ืงืฆื‘ ื ืžื•ืš ื™ื—ืกื™ืช ืฉืžื•ืขืจืš ื‘ื›-2.5 ืžืื™ื•ืช ืฉืœ ืžืกืช ืฉืžืฉ ื‘ืฉื ื”, ืื• ืžืกืช ืฉืžืฉ ื‘ื›-40 ืฉื ื™ื.[3] ื‘ื”ืชืื ืœื›ืš, ืื•ื›ืœื•ืกื™ื™ืช ื”ื›ื•ื›ื‘ื™ื ื‘ื’ืœืงืกื™ื” ื”ื™ื ื“ื™ ื–ืงื ื” ื•ื’ื™ืœื” ื”ืžืžื•ืฆืข ืžื•ืขืจืš ื‘ื›-14 ืžื™ืœื™ืืจื“ ืฉื ื™ื ื•ื”ืžืชื›ืชื™ื•ืช ืฉืœ ื”ื›ื•ื›ื‘ื™ื ื”ื™ื ืจืง ื›-64% ืžื–ื• ืฉืœ ื”ืฉืžืฉ.[1] ื ืจืื” ืฉื‘ืžืจื›ื– ื”ื’ืœืงืกื™ื” ื ืžืฆื ื—ื•ืจ ืฉื—ื•ืจ ืขืœ-ืžืกื™ื‘ื™ ืฉืžืžืกืชื• ืžื•ืขืจื›ืช ื‘ื›-โ€Ž8.6ร—108โ€Ž ืžืกื•ืช ืฉืžืฉ.[8]

ืงื™ืฉื•ืจื™ื ื—ื™ืฆื•ื ื™ื™ื

[ืขืจื™ื›ืช ืงื•ื“ ืžืงื•ืจ | ืขืจื™ื›ื”]
ื•ื™ืงื™ืฉื™ืชื•ืฃ ืžื“ื™ื” ื•ืงื‘ืฆื™ื ื‘ื ื•ืฉื NGC 4350 ื‘ื•ื•ื™ืงื™ืฉื™ืชื•ืฃ
  • NGC 4350, ื‘ืžืกื“ ื”ื ืชื•ื ื™ื SIMBAD ืœื’ืจืžื™ ืฉืžื™ื™ื ืืกื˜ืจื•ื ื•ืžื™ื™ื (ื‘ืื ื’ืœื™ืช)

ื”ืขืจื•ืช ืฉื•ืœื™ื™ื

[ืขืจื™ื›ืช ืงื•ื“ ืžืงื•ืจ | ืขืจื™ื›ื”]
  1. 1 2 J. Dabringhausen & M. Fellhauer: An extensive catalogue of early-type galaxies in the nearby Universe, Monthly Notices of the Royal Astronomical Society, Vol. 460, Iss. 4 (2016)
  2. 1 2 3 4 NED: NGC 4350
  3. 1 2 3 A. Amblard, L. Riguccini, P. Temi, S. Im, M. Fanelli & P. Serra: Star Formation Bimodality in Early-type Galaxies, The Astrophysical Journal, Vol. 783, Iss. 2, article id. 135, p. 17 (2014)
  4. โ†‘ W. Herschel: Catalogue of One Thousand new Nebuae and Clusters of Stars, Philosophical Transactions of the Royal Society of London, vol. 76, p. 475 (1786)
  5. โ†‘ J. F. W. Herschel: Observations of nebulรฆ and clusters of stars, made at Slough, with a twenty-feet reflector, between the years 1825 and 1833, Philosophical Transactions of the Royal Society of London, vol. 123, p. 421 (1833)
  6. โ†‘ J. L. E. Dreyer: A New General Catalogue of Nebulรฆ 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, Vol. 49, p. 123 (1888)
  7. โ†‘ T. Kokusho, H. Kaneda, M. Bureau, T. Suzuki, K. Murata, A. Kondo, M. Yamagishi, T. Tsuchikawa & T. Furuta: Dust properties in the cold and hot gas phases of the ATLAS3D early-type galaxies as revealed by AKARI, Astronomy & Astrophysics, Vol. 622, id. A87, p. 15 (2019)
  8. โ†‘ R. C. E. van den Bosch: Unification of the fundamental plane and Super Massive Black Hole Masses, The Astrophysical Journal, Vol. 831, Iss. 2, article id. 134, p. 17 (2016))
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