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Name
  NADA-V20  
AAVSO UID
000-BMY-588 (114 observations)  
Constellation
Cassiopeia Sequence
J2000.0
23 57 14.74 +61 23 14.1  (359.31142 +61.38725) Search nearby
B1950.0 23 54 43.15 +61 06 32.0
Galactic coord. 116.490 -0.805
Other names

(Internal only)
2MASS J23572971+6122498 ALS 13318 GCRV 21886
GSC 04281-01634 LS I +61 108 TYC 4281-1634-1
USNO-A2.0 1500-10212831 [B53] 340  
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Variability type
GCAS
Spectral type B5III
Mag. range
11.12 - 11.24 V
Discoverer Adam Nowak
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Nowak, Adam J-K= 0.07; B-V= 0.32. ASAS-SN magnitudes prtially contaminated by GSC 04281-02465 (V= 12.5; sep. 22"). Range has been corrected.
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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 Martin, N., 1972, Etude de la structure galactique a l'aide du
prisme-objectif: une region dans Cassiopee.		 1972A&A....17..253M
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 23 57 14.74 +61 23 14.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 JD plot Nowak, Adam 2019-01-19 16:35 UTC ASAS-SN corrected magnitude values.
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Revision History
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1 Nowak, Adam 2019-01-19 21:42 UTC Gaia DR2 position. Spectral type from 1972A&A....17..253M.

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