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Name
DY Per
AAVSO UID
000-BBF-128 (13618
observations
)
Constellation
Perseus
Sequence
J2000.0
02 35 17.07 +56 08 44.7 (38.82113 +56.14575)
Search nearby
B1950.0
02 31 41.78 +55 55 39.0
Proper motion
RA: -2.5 +/- 3.1 mas/y
Dec: -1.8 +/- 2.7 mas/y
Source:
UCAC4
Galactic coord.
137.080 -3.847
Other names
(Internal only)
2MASS J02351713+5608446
AAVSO 0228+55
AN 37.1940
ASASSN-V J023517.09+560844.4
BF 4201
C* 107
CGCS 372
Case 542
GSC 03691-01782
IRAS 02316+5555
TYC 3691-1782-1
[DB2007] 15
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Variability type
DYPer
Spectral type
C4,5(R8)
Mag. range
10.5 - 16.0 V
Discoverer
--
Epoch
--
Outburst
--
Period
--
Rise/eclipse dur.
--
Remarks
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1
Otero, Sebastian Alberto
VSP Note: 13.8 V-mag. star 13" to the WSW.
2
Otero, Sebastian Alberto
J-K= 1.96. The red star (J-K= 1.35) GSC 03691-00012 (V= 13.8) is 13" to the WSW.
3
GCVS Team
In the region of the open cluster Tr 2.
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References
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1
Miller, A. A. et al., 2012, Discovery of Bright Galactic R Coronae Borealis
and DY Persei Variables: Rare Gems Mined from ASAS
2012arXiv1204.4181M
2
The cool Galactic R Coronae Borealis variable DY Persei
2005A&A...438L..13Z
3
MVS N324, 1957.
--
4
C.Hoffmeister, VSS 1, N2, 1947.
--
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Location
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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 = 6.37
H = 5.18
K = 4.41
J - K = 1.96
AllWISE
W3 = 2.17
W4 = 2.18
W3 - W4 = -0.00
APASS-DR9
B = 13.20
V = 10.85
g' = 11.94
r' = 10.85
i' = 9.61
B - V = 2.35
Images
Please review Digitized Sky Survey
Acknowledgment
and
Copyright
.
Size
5' x 5' (297 x 298 pixels)
Center
02 35 17.07 +56 08 44.7 (J2000)
Source
STScI
Survey
POSS2/UKSTU Red
POSS2/UKSTU Blue
POSS2/UKSTU IR
POSS1 Red
POSS1 Blue
Quick-V
HST Phase 2 (GSC2)
HST Phase 2 (GSC1)
Red, all sky, 1.0 arcsec/pixel
Negative
Supporting Documents
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Campaigns/Programs
LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5
Otero, Sebastian Alberto
2012-07-06 22:19 UTC
Type from
2012arXiv1204.4181M
. Range from AAVSO data.
4
Admin, VSX
2012-04-20 23:45 UTC
Prototype star of new variability class.
3
Admin, VSX
2010-01-05 04:43 UTC
Position updated from the GCVS version of November 2009.
2
Renz, Wolfgang
2007-08-08 21:53 UTC
Revised variable type.
1
Admin, VSX
2005-12-18 01:33 UTC
Initial database population.
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