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Name
  T Nor  
AAVSO UID
000-BBW-501 (8359 observations)  
Constellation
Norma Sequence
J2000.0
15 44 03.84 -54 59 12.5  (236.01600 -54.98681) Search nearby
B1950.0 15 40 11.77 -54 49 44.7
Proper motion
RA: -10.02 +/- 1.66 mas/yDec: -11.55 +/- 1.61 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 326.039 -0.054
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1536-54 ASAS J154404-5459.1 CPD-54 6651
GDS_J1544021-550001 HD 140041 HIP 77058
IOMC 8700000021 SAO 242884  
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Variability type
M
Spectral type M3e-M6e
Mag. range
6.2 - 13.6 V
Discoverer Robert Innes (1899)
Epoch
24 Aug 2003 (HJD 2452876.0) Ephemeris
Outburst --
Period 242.6 d
Rise/eclipse dur. 41%  (99 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.
--
External Links
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Location    Go   
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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 = 3.08H = 2.31K = 1.91J - K = 1.17
AllWISE W3 = 0.28W4 = -0.60W3 - W4 = 0.88
APASS-DR9 B = 13.44V = 11.44g' = 12.65r' = 10.11B - V = 2.00
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 15 44 03.84 -54 59 12.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
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.