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Date: Mon, 15 Feb 1993 17:48:25 +0100
From: granslo@argo.uio.no
Subject: Alpha Ori
***** FADE OF ALPHA ORIONIS *****
The following observations by members of NAS.VSS (Norway) and VSOLJ
(Japan) confirm that Alpha Orionis has faded. The VSOLJ results have
been communicated by Taichi Kato.
DESIGN VARIABLE YYYY MM DD.DD JD&DEC MAGN OBS ESTIMATE
0549+07 Alpha Ori 1992 12 29.98 8986.48 1.1 DAH
0549+07 Alpha Ori 1992 09 27.12 8892.62 0.4 GRL B=V;C+4
0549+07 Alpha Ori 1992 10 07.11 8902.61 0.4 GRL B=V;C+4
0549+07 Alpha Ori 1992 11 29.12 8955.62 0.8 GRL B-4;C+1
0549+07 Alpha Ori 1992 12 12.06 8968.56 0.6 GRL
0549+07 Alpha Ori 1992 12 31.10 8987.60 0.7 GRL B-3;C+2
0549+07 Alpha Ori 1993 01 17.99 9005.49 0.7 GRL B-3;C+2
0549+07 Alpha Ori 1993 01 31.90 9019.40 0.8 GRL B-4;C+1
0549+07 Alpha Ori 1993 02 06.97 9025.47 0.8 GRL B-4;C+1
0549+07 Alpha Ori 1992 11 17.96 8944.46 0.3 HLS
0549+07 Alpha Ori 1992 12 01.95 8958.45 0.5 HLS
0549+07 Alpha Ori 1992 12 20.93 8977.43 0.5 HLS
0549+07 Alpha Ori 1992 12 27.96 8984.46 0.8 HLS
0549+07 Alpha Ori 1992 12 29.95 8979.45 0.6 LAU
0549+07 Alpha Ori 1993 01 22.89 9010.39 0.8: LAU
Comparison stars: B = Alpha CMi (V = 0.38); C = Alpha Tau
(V = 0.85). Observers:
DAH = Haakon Dahle (Oslo),
GRL = Bjorn H. Granslo (Fjellhamar),
HLS = Lars T. Heen (Trondheim),
LAU = Andreas Lauvstad (Levanger).
Visual magnitude estimates by VSOLJ members:
object YYMMDD(UT) mag code
alpha Ori 920911.708 06 Kat
alpha Ori 921110.604 07 Kat
alpha Ori 921112.553 07 Kat
alpha Ori 921123.729 07 Kat
alpha Ori 921204.756 06 Kat
alpha Ori 921215.708 08 Kat
alpha Ori 930204.576 10 Kat
alpha Ori 930129.508 10 Kat
alpha Ori 930204.576 10 Kat
alpha Ori 921009.737 08 Wny
alpha Ori 921021.733 09 Wny
alpha Ori 921231.605 09 Wny
alpha Ori 930101.418 09 Wny
alpha Ori 930126.576 09 Wny
alpha Ori 930214.412 09 Wny
Observer's code:
Kat: T. Kato (Kyoto, Japan)
Wny: Y. Watanabe (Kanagawa, Japan)
Return to the Powerful Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
