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Name
  GP And  
AAVSO UID
000-BCT-523 (6623 observations)  
Constellation
Andromeda Sequence
J2000.0
00 55 18.15 +23 09 49.4  (13.82563 +23.16372) Search nearby
B1950.0 00 52 37.69 +22 53 34.8
Proper motion
RA: 29.136 +/- 0.273 mas/yDec: 0.467 +/- 0.210 mas/ySource: Gaia DR1
Galactic coord. 124.086 -39.699
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J00551814+2309494 AAVSO 0050+22 ASAS J005518+2309.9
ASASSN-V J005518.19+230951.1 BV 122 CSV 5879
GSC 01739-01526 GSC 01739-01964 HIP 4322
NSVS 6396433 TIC 436546359 TYC 1739-1526-1
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Variability type
HADS
Spectral type A3
Mag. range
10.43 - 11.03 V
Discoverer --
Epoch
21 Nov 2016 (HJD 2457713.716) Ephemeris
Outburst --
Period 0.07868281 d  (113.30325 min)
Rise/eclipse dur. 31%  (35.124 min)
Remarks
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1 Otero, Sebastian Alberto ASAS-3 and ASAS-SN magnitudes contaminated by TYC 1739-1526-2 (V= 12.5; sep. 11"). Range has been corrected.
2 GCVS Team Delta(m) changes with P2 = 0.64d. A wave with P3 = 0.012161d is present. The mean magnitude and the shape of the light curve vary [F.Gieseking, M.Hoffmann, B.Nelles, AG Mitt N45, 187, 1979.].
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References
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1 Peņa, J. H.; Renteria, A.; Pina, D. S.; et al., 2017, IBVS #6220 2017IBVS.6220....1P
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 G.A.Lange, SAC N44, 1972. --
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1962MitVS.626....1G
5 W.Strohmeier, R.Kippenhahn, E.Geyer, KVB N15, 1956. --
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 10.07H = 10.02K = 9.99J - K = 0.08
AllWISE W1 = 10.01W2 = 10.04W3 = 10.00W1 - W2 = -0.03
SDSS-DR12 u = 13.56g = 14.01r = 12.37i = 12.20z = 13.11u - g = -0.45r - i = 0.17
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2019-11-29 01:07 UTC Epoch from 2017IBVS.6220....1P. Type, period and range from ASAS-3 data.
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.