[vsnet-obs 19510] Re: [vsnet-alert 2727] NSV 08383 outburst / identification

["Andrew Pearce" <arpearce@ozemail.com.au>]

Berto

I was able to observe NSV 08383 last night as follows:

ARANSV08383  19990301.854  144  A.Pearce

Regards
Andrew Pearce

-----Original Message-----
From: Berto Monard <lagmonar@csir.co.za>
To: observations@aavso.org <observations@aavso.org>;
vsnet-alert@kusastro.kyoto-u.ac.jp <vsnet-alert@kusastro.kyoto-u.ac.jp>
Date: Sunday, 28 February 1999 9:51
Subject: [vsnet-alert 2727] NSV 08383 outburst / identification


> Dear VSNET readers,
>
>I have identified NSV 08383 at its outburst position with star
>USNO-A2.0 0225-27288943 at location 17 16 52.75 -65 32 47.1 This star
>has a quiescent magnitude around 17.3 and B-R=0.7 which indicates the
>blue colour of this object when compared to neighbouring stars of that
>brightness level at quiescence.
>I am confident that NSV08383 is a cv in outburst and not like V2323
>Sgr and now recently V2038 Sgr which are non cvs and probable Mira
>stars.
>It would be very opportune to have this outburst confirmed and
>specified by UBVRI (at least blue-red) measurements.
>
>I propose the following comparison stars, calibrated vs a nearby GSPC
>sequence, USNO-A2.0 refers:
>0225-27292846 at 17 16 59.3 -65 32 17 , mag 143
>0225-27286104 at 17 16 48.0 -65 31 36 , mag 139
>0225-27277133 at 17 16 33.0 -65 31 42 , mag 147
>
>These sequence stars are sufficiently 'white' to allow proper visual
>comparison to bluish NSV 08383.
>
>My recent observations using the above sequence
>
>NSV08383   990223.99   <139   MLF
>NSV08383   990227.11   142   MLF
>NSV08383   990228.106   141   MLF
>
>Best regards,
>
>Berto Monard
>Pretoria
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