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Name
  CW Leo  
AAVSO UID
000-BCZ-817 (128 observations)  
Constellation
Leo Sequence
J2000.0
09 47 57.41 +13 16 43.6  (146.98921 +13.27878) Search nearby
B1950.0 09 45 14.94 +13 30 40.8
Galactic coord. 221.447 +45.060
Other names

(Internal only)
2MASS J09475740+1316435 AAVSO 0942+13 CSS_J094757.4+131643
IRAS 09452+1330 IRC +10216 LINEAR 17154286
RAFGL 1381    
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Variability type
M
Spectral type C9,5
Mag. range
10.96 - 14.8 R
Discoverer --
Epoch
27 Jan 1973 (HJD 2441710) Ephemeris
Outburst --
Period 640 d
Rise/eclipse dur. 40%
Remarks
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1 GCVS Team Dust envelope, 6"*4". Molecular radioemission: SiO, SiS, HCN, HC3N, CO, H2O, NH3, etc. Polarization in I band up to 24%.
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References
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1 Kim, H.; et al., 2015, HST Images Reveal Dramatic Changes in the Core of
IRC+10216
2015ApJ...804L..10K
2 L. Palaversa, Z. Ivezic, L. Eyer et al., 2013, arXiv:1308.0357
[astro-ph.GA]
2013arXiv1308.0357P
3 Catalina Real-time Transient Survey, 2011 (CSS Data) 2009ApJ...696..870D
4 N.A.Silant'ev, G.V.Khozov, Astrofizika 15, N2, 297, 1979. 1979Afz....15..297S
5 E.E.Becklin, J.A.Frogel, A.R.Hyland, J.Kristian, G.Neugebauer, ApJ 158, L
133, 1969.
1969ApJ...158L.133B
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 6.93H = 2.84K = 0.38J - K = 6.55
SDSS-DR12 u = 24.88g = 25.11r = 18.66i = 15.42z = 13.03u - g = -0.23r - i = 3.24
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2015-05-20 03:24 UTC Period from 2015ApJ...804L..10K. 2MASS position.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.