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  Z Tau  
000-BBK-328 (5739 observations)  
Taurus Sequence
05 52 24.86 +15 47 43.8  (88.10358 +15.79550) Search nearby
B1950.0 05 49 32.27 +15 47 04.7
Proper motion
RA: -3.2 +/- 2.7 mas/yDec: -7.9 +/- 3.2 mas/ySource: UCAC4
Galactic coord. 192.102 -5.394
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J05522485+1547438 AAVSO 0546+15A AN 4.1900
ASAS J055225+1547.8 BD+15 962 BD+15 962a
GSC 01312-02344 IOMC 1312000028 IRAS 05495+1547
NSVS J0552247+154752    
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Variability type
Spectral type S7.5,1e(M7e)
Mag. range
9.5 - 18.0 V
Discoverer T.D. Anderson, 1900
22 Feb 2004 (HJD 2453058) Ephemeris
Outburst --
Period 446 d
Rise/eclipse dur. 41%
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1 Otero, Sebastian Alberto VSP Note: Be aware that Z Tau has a 13.71 Vmag. companion 5" to the NE and a 16.7 Vmag. companion 6" to the SSW.
2 Otero, Sebastian Alberto Since 2439000 period was 466.2 d. (GCVS). Period 446 d. between 2002 and 2013.
3 GCVS Team VB A (B 13.6m, 4", 45deg). P var. Max = 2425115 + 499.90d*E (JD2415100 - 26500) Max = 2438768 + 486.20d*E (JD2426500 - 39000); since JD2439000 - see Table.
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2 W.R. Cooney Jr., A.A. Henden, J. Gross, D. Terrell, 2009, eJAAVSO 105 2009JAVSO.tmp..105C
3 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
5 T. Karlsson, Maxima of Mira stars --
6 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
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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 = 5.23H = 4.41K = 3.82J - K = 1.41
AllWISE W3 = 1.65W4 = 1.19W3 - W4 = 0.46
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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 LPV Double Trouble Campaign
 Percy's Unusual LPVs
Revision History
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3 Otero, Sebastian Alberto 2014-03-10 23:43 UTC Maximum magnitude from AAVSO data. Period and epoch from ASAS-3 data.
2 Admin, VSX 2009-10-21 22:00 UTC Update from [W.R. Cooney Jr., A.A. Henden, J. Gross, D. Terrell, 2009, eJAAVSO 105].
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.