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Name
  RR Nor  
AAVSO UID
000-BDW-080 (1 observation)  
Constellation
Norma Sequence
J2000.0
15 12 33.54 -55 18 48.8  (228.13975 -55.31356) Search nearby
B1950.0 15 08 48.70 -55 07 33.5
Proper motion
RA: -2.515 +/- 0.946 mas/yDec: -7.773 +/- 0.617 mas/ySource: Gaia DR1
Galactic coord. 322.136 +2.207
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AN 107.1907 ASAS J151234-5518.8 ASASSN-V J151233.62-551849.5
CD-54 6082 CPD-54 6379 GDS_J1512335-551848
HD 134506 HV 2959 IOMC 8698000036
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Variability type
EA/D
Spectral type B9V
Mag. range
9.67 - 10.66 V
Discoverer Henrietta Leavitt (1907)
Epoch
13 Jul 1980 (HJD 2444433.5976) Ephemeris
Outburst --
Period 1.5137809 d
Rise/eclipse dur. 8%  (2.906 h)
Remarks
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1 GCVS Team Min II 9.9.
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References
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1 Bob Nelson's O-C files, 2016 --
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 S.Gaposchkin, HA 115, N4, 1945. 1952AnHar.115...47G
5 Dunér, N. C.; et al., 1914, Benennung von neu entdeckten veränderlichen
Sternen
1914AN....199...65D
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 = 9.26H = 9.14K = 9.09J - K = 0.17
AllWISE W1 = 9.15W2 = 9.10W3 = 9.18W1 - W2 = 0.04
APASS-DR9 B = 10.24V = 10.06g' = 9.55r' = 9.66i' = 10.54B - V = 0.18
Images
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Supporting Documents
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Revision History
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4 Fernig, Leo 2022-06-29 19:57 UTC Discoverer updated from 1914AN....199...65D page 82
3 Admin, VSX 2012-10-05 00:53 UTC Update from [2012arXiv1210.0821A].
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.