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Details for Revision 2
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Name
  TW And  
AAVSO UID
000-BBB-087 (7455 observations)  
Constellation
Andromeda Sequence
J2000.0
00 03 18.23 +32 50 45.1  (0.82596 +32.84586) Search nearby
B1950.0 00 00 44.13 +32 34 02.9
Galactic coord. 111.386 -28.944
Other names

(Internal only)
AAVSO 2358+32 AN 21.1909 BD+32 4756
HIP 262 SAO 53603  
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Variability type
EA
Spectral type F0V+K0
Mag. range
8.98 - 11.04 V
Discoverer --
Epoch
18 Nov 2005 (HJD 2453693.355) Ephemeris
Outburst --
Period 4.122834 d
Rise/eclipse dur. 13%  (12.86 h)
Remarks
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1 GCVS Team d = 0.020P. Min II 8.94. P var. Min = 2428845.422 + 4.122739d*E (JD2420050 - 32000). Since JD2432000 - see Table.
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References
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1 C. Lloyd, 2018, Autumn Eclipsing Binaries BAA-VSS Circular #177, 2018
2 Bob Nelson's O-C files, 2016 --
3 Brno Obs and Plan Contr 18, 1975. --
4 M.Ammann, K.Walter, AsAp 24, 131, 1973. 1973A&A....24..131A
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2019-03-01 06:42 UTC Spectral type and elements from BAA-VSS Circular #177.
2 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.