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VY ?????? ????????

???????????, ??? ????????? ???????????.
VY Canis Majoris

???????? ??.??. ?????? ????????? ?????????? ?????????????? ????????
???????? ?????
??????? J2000
???????????
( pronunciation ) 		Canis Major
??????? ????? 07 h 22 m 58.33 s [1]
?????????? −25° 46′ 03.17″ [1]
??????????????? (V) 7.9607 [2]
?????????????
?????????? ?????? M3 [1] -M5e Ia [3]
B-V ??? ??????? 2.24 [1]
?????????? Semiregular [4]
?????????????
????????????? ???????(radial velocity) (R v ) 49 ± 10 [1] km/s
???????? ???? (μ) RA: 9.84 [1] mas / yr
Dec.: 0.75 [1] mas / yr
??????????? (π) 1.78 ± 3.54 [1] mas
???? ~4,900 ly (~1,500 [5] pc )
???????????
?????? ~15 [6] -25 [7] M ?
??????????? ~1,800-2,100 [8] R ?
???????????? ~2-5.6×10 5 [9] [10] L ?
?????? ~3000 [10] K
????? ????????????

??????????? ?????????????? ?????? ????????? ??? ?????? ????????????????? ??.??. ?????? ???????? . ????????? ?????????????????? 1,800 ????????? 2,100 ????????? ????? ?????? ???????????????????? ?????????????? ? ???????????? ?????????????? ?????? ??????? ???? ??????????????????. ??????? ?????? 1.5 ???? ??????? (4.6×10 16 ??.??) ?????????? 4,900 ????????????? ???????? ? ???????? ?????????????????. ???????? ???????????? ???? ??? ???????????? ??????? ?? ???????? ?????????. ?????? 2,200 ???????? ?????????????? ??? ????? ????? ??????????????? (semiregular variable) ????? ???????????????. [4]

??.??. ?????? ???????????? ??????? [ ????????? ]

1801 ??????? 7 ?? ????? ??????? ???????????? ??????? ????????????? ??.??. ?????? ?????????? ??????????? ???????? ????? ??????????????. ? ?????????? ????? 7 ?? ?????????? ???? ??????????? ?????????????????????. ???????? ?????????? ??????????? ??????? ????? ??????????????? ???????????? ??????? ???????????? 1850 ???? ??? ????? ?????????? ??????????. [11]

1847 ???? ??.??. ?????? ???????? ??? ?????? ????????????? ??????????????????????. [11]

?????????? ??????????? ? ????????????????????? ???????? ??? ????????? ????????????????? ???????????????? ????????????????????????. ?? ??.??. ?????? ?????????? ??? ??????????????????? ????????????????? ????????????????????????????. ?????? ?? ????????????? ??????????? ??????????? ???????????????????? ?????????????? ?????? ???????? ?????????. 1957 ? ??????? ?????????????? ?????? ??????????????? ???????????? ??.??. ?????? ?????????? ????????????????? ???????????????? ??????????. [6] [11]

3000 - ?????? ?????? ????????????????????????? ?????? ????????????? M ????????????????? ??????????? ??.??. ?????? ????????. ????????????-????? ????????? ?????? ?????????????? ??? ????. ??? ????????????????? ????????????????? ????????? ???????????????????????? ? ???????? ???????. ???????????????????????? ??? O ???????????????????? [10] 30 ???? 40 M? (?????????) ????????? ????????????????????????. [6]

??????? [ ????????? ]

??????????? ?????? ???????????? ?????????????? ???????? ????????????? (Betelgeuse), ?? ?????????????? (Rho Cassiopeiae), ???????? ???????? (The Pistol Star), ?????? (????????????? ????? ???????? ?????????????). ???????????????? ??????????????????? ????????????????? ????????????????.

??.??. ?????? ?????????? ???????????????????? 1,800 ????????? 2,100 ????????? ????? ?????????????????????? [8] ???????????? ???????? ??????????????? ????????? ???????? ??. ?????????? [12] ???????????????. ??????? ??????? ????????????? ????????? ????????? ????? ???????????????????? ??????????????????????? ? ??????????????? ??????? ??? ???????????? ???????????? ??? ????. ??????? ????????? 2,100 ?????? ?????????????? ??????????????????????? ?????????????? ??????? ?????????????? ??? ??? ?????? ??????????? 8 ???????? ?????? ????, ????????? ?????????? ???????????? 14.5 ??????? ???. ??.??. ?????? ???????????? ????????????? ??????? 7,000,000,000,000,000 ?????? ?????? ????. [13]

?????? [ ????????? ]

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "SIMBAD basic query result: VY Canis Majoris" . SIMBAD, Centre de Donnees astronomiques de Strasbourg . Retrieved March 7, 2009 .
  2. ↑ 2.0 2.1 "Hipparchos catalogue: query form" . CASU Astronomical Data Centre . Cambridge Astronomical Survey Unit. 2006. Archived from the original on 2016-03-03 . Retrieved March 10, 2009 .
  3. ↑ 3.0 3.1 Lipscy, S. J.; Jura, M.; Reid, M. J. (June 10, 2005). "Radio photosphere and mass-loss envelope of VY Canis Majoris" . The Astrophysical Journal . The American Astronomical Society. 626 : 439?445.
  4. ↑ 4.0 4.1 Monnier, J. D.; Geballe, T. R.; Danchi, W. C. (August 1, 1998). "Temporal variations of midinfrared spectra in late-type stars" . The Astrophysical Journal . American Astronomical Society. 502 : 833?846.
  5. ↑ Lada, C. J.; Reid, M. (March 1976). "The discovery of a molecular cloud associated with VY CMa". Bulletin of the American Astronomical Society . American Astronomical Society. 8 : 322.
  6. ↑ 6.0 6.1 6.2 Wittkowski, M.; Langer, N.; Weigelt, G. (October 27, 1998). "Diffraction-limited speckle-masking interferometry of the red supergiant VY CMa". Astronomy and Astrophysics . European Southern Observatory. 340 : 39?42.
  7. ↑ Monnier, J. D.; Danchi, W. C.; Hale, D. S.; Lipman, E. A.; Tuthill, P. G.; Townes, C. H. (November 10, 2000). "Mid-infrared interferometry on spectral lines. II. Continuum (dust) emission around IRC +10216 and VY Canis Majoris" . The Astrophysical Journal . The American Astronomical Society. 543 : 861?867.
  8. ↑ 8.0 8.1 Humphreys, Roberta (October 13, 2006). "VY Canis Majoris: the astrophysical basis of its luminosity" . arXiV . Retrieved May 15, 2007 . {{ cite conference }} : Unknown parameter |booktitle= ignored ( |book-title= suggested) ( help )
  9. ↑ Monnier, J. D.; Tuthill, P. G.; Lopez, B.; Cruzalebes, P.; Danchi, W. C.; Haniff, C. A. (February 10, 1999). "The last gasps of VY Canis Majoris: aperture synthesis and adaptive optics imagery" . The Astrophysical Journal . American Astronomical Society. 512 : 351?361. doi : 10.1086/306761 .
  10. ↑ 10.0 10.1 10.2 Lada, Charles J.; Reid, Mark J. (January 1, 1978). "CO observations of a molecular cloud complex associated with the bright rim near VY Canis Majoris" . The Astrophysical Journal . American Astronomical Society. 219 : 95?104.
  11. ↑ 11.0 11.1 11.2 Robinson, L. J. (December 7, 1971). "Three somewhat overlooked facets of VY Canis Majoris". Commission 27 of the I. A. U., Information Bulletin on Variable Stars . Konkoly Observatory, Budapest (599).
  12. ↑ Roberta Humphreys , physics.umn.edu , retrieved 2009-05-17
  13. ↑ Volume with radius 9.58 AU=1.23*10^37 m3; Earth volume 1.08*10^21 m3; ratio is 1.14*10^16 or 11.4 quadrillion.
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