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Name
FR Sct
AAVSO UID
Constellation
J2000.0
B1950.0
18 20 34.09 -12 42 27.8
Proper motion
Galactic coord.
18.472 +0.340
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1817-12
ASAS J182323-1240.9
ASASSN-V J182322.78-124050.8
GDS_J1823227-124051
GSC 05698-02284
HIP 90115
IOMC 5698000011
IRAS 18205-1242
IRC -10415
RAFGL 5228S
SVS 588
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Variability type
EA+LC
Spectral type
M3Iaep+O9.5V
Mag. range
10.0 - 10.8 V
Discoverer
--
Epoch
Outburst
--
Period
3.53405 d
Rise/eclipse dur.
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Remarks
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1
Otero, Sebastian Alberto
VV Cep-type system.
Range in V from HIP and ASAS 9.6 - 10.6.
Eclipses arise from the hot component which is thus an early type binary.
Amplitude of the eclipses wihout subtracting the contribution from the red supergaint:
Min I= 0.3 mag.; Min II= 0.12 mag.
2
GCVS Team
Spectrum description [W.P.Bidelman, PASP 68, 152, 1956. ].
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References
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1
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
2017PASP..129j4502K
2
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
2012arXiv1210.0821A
3
IBVS #5757
2007IBVS.5757....1P
4
G.Pojmanski, Acta Astronomica 52, 397, 2002.
2002AcA....52..397P
5
14th General Catalogue of MK Spectral Classification
2001yCat.3222....0B
6
V.P.Zessewitsch, Perem. Zvezdy 8, N6, 412, 1952.
--
7
P.Shajn, Perem. Zvezdy 4, 342, 1934.
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External Links
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Location
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AAVSO Light Curve
AAVSO WebObs
APASS
AAVSOnet EPD
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GCVS
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NSVS
CRTS
ZTF
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Pan-STARRS1 Images
Bochum Galactic Disk Survey
SkyMorph
Kamogata Wide-field Survey (KWS)
O-C Gateway (name)
O-C Gateway (coords)
Atlas of O-C Diagrams
Lichtenknecker Database
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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 = 3.97 H = 2.66 K = 2.09 J - K = 1.89
AllWISE
W3 = 1.47 W4 = 1.28 W3 - W4 = 0.19
APASS-DR9
B = 12.10 V = 10.24 g' = 11.13 B - V = 1.86
Images
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Supporting Documents
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Revision History
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