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Name
RS Cnc
AAVSO UID
000-BBQ-327 (18395 observations)
Constellation
Cancer
Sequence
J2000.0
09 10 38.80 +30 57 47.3 (137.66167 +30.96314)
Search nearby
B1950.0
09 07 37.81 +31 10 05.4
Proper motion
RA: -11.12 +/- 0.65 mas/y
Dec: -33.42 +/- 0.24 mas/y
Source:
F. Van Leeuwen, 2007
Galactic coord.
194.496 +42.080
Other names
(Internal only)
AAVSO 0904+31
BD+31 1946
HD 78712
HIP 45058
HR 3639
IRC +30209
RAFGL 1326
SAO 61306
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Variability type
SRB
Spectral type
M6S
Mag. range
5.33 - 6.94 V
Discoverer
--
Epoch
29 Apr 1993 (HJD 2449107.0)
Ephemeris
Outburst
--
Period
242.2 d
Rise/eclipse dur.
--
Remarks
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1
Otero, Sebastian Alberto
Other period is 134.6 d.
2
GCVS Team
P2 = 1700d. Tc lines are present in the spectrum.
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References
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1
The S-Type Asymptotic Giant Branch Stars RS Cnc, ST Her, OP Her And HR Peg
2005BaltA..14...41A
2
Long-Term VRI Photometry of Small-Amplitude Red Variables. I. Light Curves
and Periods
2001PASP..113..983P
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the
CDS X-Match Service
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2MASS
J = -0.71
H = -1.56
K = -1.87
J - K = 1.16
AllWISE
W4 = -3.01
GALEX-DR5
NUV = 17.55
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Supporting Documents
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1
Light curve
Otero, Sebastian Alberto
2011-07-09 21:51 UTC
Light curve with V data from the literature showing the extreme magnitudes of RS Cnc.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4
Otero, Sebastian Alberto
2011-07-09 21:51 UTC
Reference and light curve added.
3
Otero, Sebastian Alberto
2011-07-09 21:45 UTC
Periods from 2005BaltA..14...41A. Maximum magnitude from 2001PASP..113..983P. Epoch and minimum magnitude from AAVSO-V data. Spectral type from Skiff (2010).
2
Admin, VSX
2010-01-04 23:43 UTC
Position updated from the GCVS version of November 2009.
1
Admin, VSX
2005-12-17 20:33 UTC
Initial upload.
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