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Name
RY Oph
AAVSO UID
Constellation
J2000.0
B1950.0
18 14 07.50 +03 40 27.2
Proper motion
RA: 1.402 +/- 0.118 mas/y Dec: 17.854 +/- 0.099 mas/y Source: Gaia DR1
Galactic coord.
32.261 +9.427
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1811+03
AN 77.1905
ASAS J181637+0341.6
ASASSN-V J181636.93+034135.6
BD+03 3656
HD 167766
HIP 89568
IRC +00344
SAO 123316
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Variability type
M
Spectral type
M3e-M6e
Mag. range
7.4 - 13.8 V
Discoverer
T.D. Anderson, 1905
Epoch
Outburst
--
Period
150.41 d
Rise/eclipse dur.
46% (69 d)
Remarks
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1
GCVS Team
P var. Max = 2415235 + 151.05d*E (JD2414700 - 24000); Max = 2424152 + 149.69d*E (JD2424000 - 31000); Max = 2431339 + 150.94d*E (JD2431000 - 40000); since JD2440000 - see Table.
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References
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External Links
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Location
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AAVSO Variable Star Plotter
AAVSO Light Curve
AAVSO WebObs
APASS
AAVSOnet EPD
SIMBAD
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Hipparcos Epoch Photometry Plot
ASAS Light Curve
NSVS
CRTS
ZTF
Pan-STARRS1 Data
Pan-STARRS1 Images
SkyMorph
Kamogata Wide-field Survey (KWS)
Go
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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 = 4.20 H = 3.19 K = 2.70 J - K = 1.50
AllWISE
W3 = 1.55 W4 = 1.02 W3 - W4 = 0.53
APASS-DR9
B = 12.08 V = 10.92 g' = 11.31 r' = 11.16 B - V = 1.17
SDSS-DR12
u = 14.34 g = 15.80 r = 13.75 i = 9.11 z = 7.40 u - g = -1.46 r - i = 4.64
Images
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Supporting Documents
There are currently no supporting documents on file for this star.
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Stellar Association Membership
Collinder 359
Open Cluster
2012A&A...548A..97Z
Campaigns/Programs
LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.
