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Name
  T Nor  
AAVSO UID
000-BBW-501 (8358 observations)  
Constellation
Norma Sequence
J2000.0
15 44 03.80 -54 59 13.0  (236.01583 -54.98694) Search nearby
B1950.0 15 40 11.67 -54 49 45.8
Galactic coord. 326.039 -0.055
Other names

(Internal only)
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AAVSO 1536-54 ASAS J154404-5459.1 CPD-54 6651
GDS_J1544021-550001 HD 140041 HIP 77058
SAO 242884    
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Variability type
M
Spectral type M3e-M6e
Mag. range
6.2 - 13.6 V
Discoverer --
Epoch
24 Jan 1971 (HJD 2440976) Ephemeris
Outburst --
Period 240.7 d
Rise/eclipse dur. 41%  (98.687000000000 d)
Remarks
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1 GCVS Team P var.Max = 2414783 + 241.87d*E (JD2414700 - 28000); Max = 2428084 + 244.93d*E (JD2428000 - 35000); since JD2437000 - see Table.
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References
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1 M. Hackstein, Ch. Fein, M. Haas et al., 2015, AN 336, 590 2015AN....336..590H
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2024-01-18 18:37 UTC Period and epoch from AAVSO data.
4 Fernig, Leo 2022-04-22 13:33 UTC Discoverer updated from 1907AnHar..55....1C page 18
3 Otero, Sebastian Alberto 2011-01-19 23:43 UTC Primary record creation. Period and epoch from ASAS-3 data.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.