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VY

: ,
VY
Sun and VY Canis Majoris-ru.svg
VY CMa

( J2000.0)

07 22 58,3315

-25° 46 03,174

~4900 .  (~1500 )[1]
(V)

7,9607[2] ( 6,5 9,6[3])

ϸ
 (Rv)

49±10[4] /c
 (μ)

RA: 9,84[4] mas  
Dec: 0,75[4] mas  
 (π)

1,78±3,54[4] mas

M3[4]/M5Ia[5]
  (B  V)

2,24

SR[6]

~30[7]40[8] M☉

~18002100[9] R☉

~3000[10] K

~4,5·105[11][10] L☉
SIMBAD

: [4]

VY (. VY Canis Majoris, VY CMa)  , . , , .

VY 1500 (5000 ).

2005   1800 2100 . 2,52,9 (≈ 1719 . .). VY , . , , 8 [12]. , 4500 /, 230 ( 2100 ). .

3040 , . 0,0000050,00001 /³ ( , 0 °C 1,2929 /³). 510 [13].

. , [14].   600 , 2000. [15].

[] VY

VY 7 1801 , VY . XIX , 1850 [16].

1847 , VY , [16]. XIX VY , , . , . 1957 , 1998 , , VY -[7][16].

VY M 3000 -, , . VY O[10] 30 40 M☉[7].

[]

, . VY CMa , , [17].

1976 . . 15 VY CMa. . , NGC 2362 , , 1,5±0,5 -[10].

VY CMa , . , . , , , NGC 2362. , VY CMa 1,5 [1].

[]

: VY , , ( , ). () ().

. VY 18002100 [9]. , ( 9 . .). VY 2100 , 8,5 , , 14,5 . 7·1015 [18].

, VY 2,3 , 2100 .

[]

2006 VY , . , , , VY 4,3·105L☉[9].

[]

VY [19].

VY CMa. [9] . [20] 600 .

, VY CMa . , [9] .

VY «» ( ) . 0,000005 0,000010 /³, , () . , . , , «» VY . .

[]

, , , . , , , VY 100 [21]. , -, , , , , .

[] .

[]

  1. 1 2 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.
  2. 1 2 "Hipparchos catalogue: query form". CASU Astronomical Data Centre. Cambridge Astronomical Survey Unit. 2006.
  3. "GCVS Query=VY CMa". General Catalogue of Variable Stars @ Sternberg Astronomical Institute, Moscow, Russia.
  4. 1 2 3 4 5 6 SIMBAD  (.).  VY SIMBAD. 14 2009.
  5. 1 2 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 (1): 439445. arXiv:astro-ph/0502586. Bibcode 2005ApJ...626..439L. doi:10.1086/429900
  6. 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 (2): 833846. arXiv:astro-ph/9803027. Bibcode 1998ApJ...502..833M. doi:10.1086/305945.
  7. 1 2 3 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: 3942.
  8. 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 (2): 861867. arXiv:astro-ph/0007393. Bibcode 2000ApJ...543..861M. doi:10.1086/317126
  9. 1 2 3 4 5 Humphreys, Roberta (October 13, 2006). "VY Canis Majoris: the astrophysical basis of its luminosity". arXiV. arXiv:astro-ph/0610433.
  10. 1 2 3 4 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: 95104. Bibcode 1978ApJ...219...95L. doi:10.1086/155758
  11. 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 (1): 351361. arXiv:astro-ph/9810024. Bibcode 1999ApJ...512..351M. doi:10.1086/306761.
  12. 8 .
  13. - " Gomel-Sat  . , , , , ,
  14. Roberta M. Humphreys, VY Canis Majoris: The Astrophysical Basis of Its Luminosity, arxiv.org
  15. Philip Massey, Emily M. Levesque, Bertrand Plez Bringing VY Canis Majoris Down to Size: An Improved Determination of Its Effective Tempeature, arxiv.org, 05-15-07
  16. 1 2 3 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).
  17. Pogge, Richard W. «Stellar distances». Astronomy 162: Introduction to Stars, Galaxies and the Universe. Ohio State University.
  18. 9,58 .. 1,23·1037 ³; 1,08·10211021 ³; 1,14·1016 11,4
  19. HubbleSite  NewsCenter  Astronomers Map a Hypergiant Stars Massive Outbursts (01/08/2007)  Release Images
  20. assey, Philip; Levesque, Emily M.; Plez, Bertrand (August 1, 2006). «Bringing VY Canis Majoris down to size: an improved determination of its effective temperature». The Astrophysical Journal 646 (2): 12031208. arXiv: astro-ph/0604253. Bibcode 2006ApJ646.1203M. doi: 10.1086/505025
  21. Remote Sensing Tutorial Page A-5

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