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Name
SY Cha
AAVSO UID
Constellation
J2000.0
B1950.0
10 55 17.21 -76 55 36.4
Proper motion
RA: -17.0 +/- 1.5 mas/y Dec: 6.5 +/- 1.5 mas/y Source: UCAC4
Galactic coord.
296.575 -15.764
Other names(Internal only)
1RXS J105624.0-771150
1WGA J1056.5-7711
2CXO J105630.3-771138
2MASS J10563044-7711393
2RXP J105633.9-771154
2XMM J105630.5-771139
3XMM J105630.2-771139
4XMM J105630.3-771139
ASAS J105631-7711.7
ASASSN-V J105630.17-771140.9
Ass Cha T 1-2
Ass Cha T 2-4
CHX 1
CHXR 1
GSC 09414-00266
HBC 565
IRAS 10552-7655
IRAS F10552-7655
PDS 38
SON 6321
SOPS Ig- 7
Sz 3
TIC 277554109
UCAC4 065-011131
WISE J105630.34-771139.3
WISEA J105630.34-771139.2
[CCE98] 1-4
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Variability type
CTTS/ROT
Spectral type
K2Ve
Mag. range
12.67 - 13.70 V
Discoverer
--
Epoch
Outburst
--
Period
6.127 d
Rise/eclipse dur.
--
Remarks
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References
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1
Jayasinghe, T.; Stanek, K. Z.; Kochanek, C. S.; et al., 2019, The ASAS-SN
2019MNRAS.486.1907J
2
Henden, A. A.; et al., 2018, AAVSO Photometric All Sky Survey (APASS) DR10
2018AAS...23222306H
3
Nguyen, D. C.; et al., 2012, Close Companions to Young Stars. I. A Large
2012ApJ...745..119N
4
R.D.Schwartz, ApJ Suppl 35, 161, 1977.
1977ApJS...35..161S
5
C.Hoffmeister, ZsAp 55, 290, 1962.
1962ZA.....55..290H
External Links
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Location
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AAVSO WebObs
APASS
AAVSOnet EPD
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GCVS
ASAS-SN Variable
ASAS-SN Sky Patrol
ASAS Light Curve
SuperWASP
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 = 9.97 H = 9.10 K = 8.63 J - K = 1.34
AllWISE
W1 = 8.33 W2 = 7.79 W3 = 5.43 W4 = 3.21 W1 - W2 = 0.53 W3 - W4 = 2.22
APASS-DR9
B = 14.73 V = 13.44 g' = 14.11 r' = 12.81 i' = 12.11 B - V = 1.29
GALEX-DR5
FUV = 20.04 NUV = 18.18 FUV - NUV = 1.86
Images
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Supporting Documents
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Campaigns/Programs
YSO Program
Revision History
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