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Norwegian Astronomical Society - Variable Star Section
Variable star observations for 2002 Nov 02 - Dec 27 UT (J.D. 2452580 - 2452636)
Observer: Birger Andresen (ABG).
Location: Trondheim, Norway.
Observations: Visual, Argelander step estimates.
Variable YYYYMMDD.DDD Magn Obs Instrum. Mag.ref. Codes Estimates [Class]
ORIU 20021102.165 11.3 ABG C280;140X NAS.VSS KLT S2V2T [1]
ORIU 20021110.872 11.1 ABG C280;140X NAS.VSS KLT ZR5V;V3T;S1V [1]
ORIU 20021202.257 8.5 ABG L70;24X NAS.VSS KT ZG4V;V3ZJ [1]
ORIU 20021207.826 7.9 ABG L70;24X NAS.VSS HKT E5V4H [1]
ORIU 20021222.813 7.5 ABG L70;24X NAS.VSS HKT E2V4F [2]
ORIU 20021227.849 7.6 ABG L70;24X NAS.VSS KT E3V4ZG [1]
Sequence for U Orionis :
V-mag. from GCPD [A-E], TYC2 [F,H] & Henden [K,M,P,S-Z] :
A = Chi1 Ori ( 4,40 mag) B = 64 Ori ( 5,14 mag)
C = 57 Ori ( 5,91 mag) D = HR 2038 ( 6,71 mag)
E = HD 39227 ( 7,31 mag) F = HD 40019 ( 7,89 mag)
H = HD 39728 ( 8,40 mag) K = HD 249261 ( 9,11 mag)
M = HD 249390 ( 9,77 mag) P = HD 249346 (10,24 mag)
S = TYC 1920-0552 (10,88 mag) T = TYC 1920-1033 (11,62 mag)
W = GSC 1920-0885 (11,98 mag) X = GSC 1320-0820 (12,49 mag)
Y = GSC 1320-0155 (13,12 mag) Z = GSC 1320-0878 (13,74 mag)
ZA = GSC 1320-0916 (11,00 mag) ZG = HD 39867 ( 8,09 mag)
ZJ = HD 39896 ( 8,89 mag) ZL = HD 249594 ( 9,42 mag)
ZN = TYC 1320-1593 (10,02 mag) ZR = HD 249347 (10,49 mag)
ZW = TYC 1920-1221 (11,56 mag) ZX = TYC 1320-0840 (11,84 mag)
ZY = TYC 1320-0091 ( 7,67 mag) ZZ = TYC 1320-1381 ( 8,70 mag)
Remark : ZA-ZZ will not be used after May 2003 due to revision of the sequence.
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