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Latest Details
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Name
BD+31 3850
AAVSO UID
000-BNH-745 (No observations)
Constellation
Cygnus
Sequence
J2000.0
19 56 27.71 +31 30 24.3 (299.11546 +31.50675)
Search nearby
B1950.0
19 54 29.76 +31 22 20.4
Galactic coord.
67.970 +1.484
Other names
(Internal only)
2MASS J19562770+3130242
GSC 02669-03361
TYC 2669-3361-1
UCAC4 608-099542
USNO-A2.0 1200-13874673
USNO-B1.0 1215-0438164
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Variability type
L
Spectral type
M2
Mag. range
10.10 - 10.23 V
Discoverer
Adam Derdzikowski
Epoch
--
Outburst
--
Period
--
Rise/eclipse dur.
--
Remarks
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1
Derdzikowski, Adam
J-K: 1.16. B-V: 2.27.
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References
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1
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
2
Barbier, M., 1975, Liste et classification d'étoiles M, C et à émission
nouvelles
1975Ap&SS..32..423B
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Images
Please review Digitized Sky Survey
Acknowledgment
and
Copyright
.
Size
5' x 5' (297 x 298 pixels)
Center
19 56 27.71 +31 30 24.3 (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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1
JD plot
Derdzikowski, Adam
2019-11-08 23:13 UTC
Plot using ASAS-SN data
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Revision History
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1
Derdzikowski, Adam
2019-11-19 21:20 UTC
Initial submission. Spectral type from
1975Ap&SS..32..423B
.
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