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Name
S Mic
AAVSO UID
Constellation
J2000.0
B1950.0
21 23 46.35 -30 04 06.1
Proper motion
RA: -11.9 +/- 1.6 mas/y Dec: -18.6 +/- 1.0 mas/y Source: UCAC4
Galactic coord.
16.831 -45.308
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2120-30
ASAS J212644-2951.1
ASASSN-V J212644.09-295104.6
CD-30 18609
HD 204045
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Variability type
M
Spectral type
M3e-M5.5
Mag. range
7.8 - 14.8 V
Discoverer
Robert Innes (1896)
Epoch
Outburst
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Period
209.68 d
Rise/eclipse dur.
43% (90 d)
Remarks
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1
GCVS Team
P var. Max = 2413499 + 214.5d*E (JD2413500 - 15900) [R.Prager, GuL 2, 1936.]; Max = 2432102 + 208.23d*E (JD2422700 - 32200); since JD2432200 - see Table.
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References
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1
G.Pojmanski, Acta Astronomica 52, 397, 2002.
2002AcA....52..397P
2
Cannon, A. J., 1907, Second catalogue of variable stars
1907AnHar..55....1C
3
T. Karlsson, Maxima of Mira stars
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4
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
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Location
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AAVSO Variable Star Plotter
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APASS
AAVSOnet EPD
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Kamogata Wide-field Survey (KWS)
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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 = 5.49 H = 4.86 K = 4.48 J - K = 1.01
AllWISE
W1 = 3.86 W2 = 3.23 W3 = 2.52 W4 = 1.83 W1 - W2 = 0.64 W3 - W4 = 0.69
APASS-DR9
B = 12.76 V = 13.64 g' = 14.36 r' = 12.62 i' = 8.77 B - V = -0.88
GALEX-DR5
NUV = 21.50
Images
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Supporting Documents
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Revision History
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