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Name
RU Sgr
AAVSO UID
Constellation
J2000.0
B1950.0
19 55 16.88 -41 59 04.8
Proper motion
Galactic coord.
358.136 -29.739
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1951-42
ASAS J195843-4150.9
ASASSN-V J195842.76-415059.1
CD-42 14584
CPD-42 8962
HD 188813
HIP 98334
HV 13
IOMC 7942000031
RAFGL 7095S
SAO 229959
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Variability type
M
Spectral type
M3e-M6e
Mag. range
6 - 13.8 V
Discoverer
Williamina Fleming (1891)
Epoch
Outburst
--
Period
240.49 d
Rise/eclipse dur.
43% (103.410700000000 d)
Remarks
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1
GCVS Team
P var. Max = 2413062 + 242.3d*E (JD2410150 - 16700) [H.Schneller, GuL 3, 1952.]; Max = 2423670 + 242.3d*E (JD2422500 - 24500); Max = 2428200 + 237.6d*E (JD2424500 - 28800); since JD2428800 - see Table.
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References
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1
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
2012arXiv1210.0821A
2
G.Pojmanski, Acta Astronomica 52, 397, 2002.
2002AcA....52..397P
3
Cannon, A. J., 1907, Second catalogue of variable stars
1907AnHar..55....1C
4
T. Karlsson, Maxima of Mira stars
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5
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
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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 = 2.78 H = 1.97 K = 1.63 J - K = 1.15
AllWISE
W3 = 0.51 W4 = 0.02 W3 - W4 = 0.49
APASS-DR9
B = 12.20 V = 11.77 g' = 12.55 r' = 10.54 B - V = 0.42
Images
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Supporting Documents
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Campaigns/Programs
LPV Program
Revision History
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