[vsnet-chat 2385] SN1999em magnitude discordance (Santallo)

[Taichi Kato <tkato>]

From rsantallo@southernstar.com Thu Nov  4 05:22 JST 1999
From: "Roland Santallo" <rsantallo@southernstar.com>
To: "Taichi Kato" <tkato@kusastro.kyoto-u.ac.jp>
Subject: Re: [vsnet-obs 24436] SN1999em sequence problem (Ripero)
Date: Wed, 3 Nov 1999 10:20:12 -1000
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Dear Mr Kato

for the measurement I am using USNO SA1 with mag r and also the GSC
selection by Mr Yamaoka
my Picture are unfiltered..
with USNO SA1 I have mag 12.9 (sending on vs net)and with the GSc Selection
I have mag 13.8 (non sending on vs net)
you comment about this discordance using different catalog woul be very
appreciated
Tkank you very much
Roland Santallo
Tahiti French Polynesia
www.rsantallo.southernstar.com
-----Message d'origine-----
De : Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
: vsnet-chat@kusastro.kyoto-u.ac.jp <vsnet-chat@kusastro.kyoto-u.ac.jp>;
vsnet-obs@kusastro.kyoto-u.ac.jp <vsnet-obs@kusastro.kyoto-u.ac.jp>
Date : mardi 2 novembre 1999 20:27
Objet : [vsnet-obs 24436] SN1999em sequence problem (Ripero)


>SN1999em sequence problem (Ripero)
>
>From: "jose ripero" <jripero@jet.es>
>Subject: About sequence of SN 99em
>Date: Wed, 3 Nov 1999 07:16:46 +0100
>
>Dear observers  :
>
>            I have been revised my estimation of   SN 99em, and in =
>accordance with the two sequences availables its magnitude  is :
>
>
>                        Sequence  AAVSO  ( Alert Notice 11/01/99)       =
>Mg.  13.1
>                   =20
>                        Sequence  VSNET   ( email of Dr. Yamaoka)      =
>Mg.  13.8
>
>            I hope that some observer inform me abut this mistakes of =
>atimations.  Thanks in advance.
>
>
>Clear skies. Good observations.
>
>
>
> Jos=E9  Ripero ( M 1 Group / Madrid-Spain )
>jripero@jet.es
>

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