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  CW Leo  
000-BCZ-817 (128 observations)  
Leo Sequence
09 47 57.42 +13 16 43.3  (146.98925 +13.27869) Search nearby
B1950.0 09 45 14.95 +13 30 40.5
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
Spectral type C9,5
Mag. range
10.96 - 14.8 R
Discoverer --
27 Jan 1973 (HJD 2441710) Ephemeris
Outburst --
Period 630 d
Rise/eclipse dur. 40%  (252 d)
Some references may be clicked to view in new window. Roll over index number to view submission details.
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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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2 Kim, H.; et al., 2015, HST Images Reveal Dramatic Changes in the Core of
3 L. Palaversa, Z. Ivezic, L. Eyer et al., 2013, arXiv:1308.0357
4 Catalina Real-time Transient Survey, 2011 (CSS Data) 2009ApJ...696..870D
5 N.A.Silant'ev, G.V.Khozov, Astrofizika 15, N2, 297, 1979. 1979Afz....15..297S
6 E.E.Becklin, J.A.Frogel, A.R.Hyland, J.Kristian, G.Neugebauer, ApJ 158, L
133, 1969.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2020-05-24 13:12 UTC Period from the GCVS (November 2019 version).
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.