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Latest Details
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Name
  ZALD 18  
AAVSO UID
000-BNB-167 (No observations)  
Constellation
Cassiopeia Sequence
J2000.0
23 50 06.64 +58 35 03.4  (357.52767 +58.58428) Search nearby
B1950.0 23 47 38.20 +58 18 22.3
Galactic coord. 114.997 -3.339
Other names

(Internal only)
1SWASP J235006.64+583503.4 2MASS J23500663+5835034 ALS 13221
GGR 161 GSC 04013-00492 HBHA 5707-08
LS I +58 6 TYC 4013-492-1 UCAC4 743-092776
[B53] 282 [B55b] 4702 [D75b] Em* 23+056
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Variability type
ACYG
Spectral type B0e
Mag. range
10.85 - 10.99 V
Discoverer Alexander N. Zaitsev (ZALD)
Epoch
01 Aug 2016 (HJD 2457602.0414) Ephemeris
Outburst --
Period 43.2826 d
Rise/eclipse dur. 30%  (12.98 d)
Remarks
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1 Zaitsev, Alexander B-V = 0.57 U-B = - 0.47 J-K = 0.61
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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 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 2014yCat....1.2023S
3 Butters, O. W.; et al., 2010, The first WASP public data release 2010A&A...520L..10B
External Links
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Location    Go   
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 23 50 06.64 +58 35 03.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Zaitsev, Alexander 2019-03-14 22:49 UTC
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Revision History
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1 Zaitsev, Alexander 2019-03-16 01:13 UTC Initial submission.
Spectral type from 2014yCat....1.2023S

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