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Latest Details
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Name
  BD+46 2998  
AAVSO UID
000-BNG-940 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 39 03.87 +46 49 46.2  (309.76612 +46.82950) Search nearby
B1950.0 20 37 24.89 +46 39 07.9
Galactic coord. 85.263 +3.268
Other names

(Internal only)
2MASS J20390386+4649462 GSC 03574-02624 IRAS 20374+4639
UCAC4 685-082528 USNO-A2.0 1350-12696524 USNO-B1.0 1368-0398971
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Variability type
SRS
Spectral type M5
Mag. range
9.88 - 10.19 V
Discoverer Adam Derdzikowski
Epoch
20 Aug 2013 (HJD 2456525.00) Ephemeris
Outburst --
Period 29.59 d
Rise/eclipse dur. --
Remarks
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1 Derdzikowski, Adam Other period: 167 d. J-K: 1.54. B-V: 2.06.
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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 Neckel, H., 1958, The distribution of the BD M-type stars along the
galactic equator.		 1958ApJ...128..510N
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 39 03.87 +46 49 46.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 Phase plot Derdzikowski, Adam 2019-09-27 15:31 UTC Phase plot using ASAS-SN data
1 JD plot Derdzikowski, Adam 2019-09-27 15:31 UTC Plot using ASAS-SN data
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Derdzikowski, Adam 2019-10-05 02:06 UTC Initial submission. Spectral type from 1958ApJ...128..510N.

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