[Aavso-photometry] RS Oph Multicolor Photometry

[Mike Simonsen]

For the bright stars on the current AAVSO charts we used Bjorn Granslo's
sequence for this field.
(GCPD, Tycho and Henden magnitudes)
http://www.astro.uio.no/~bgranslo/sequence/

You can get UBVRI from the Mermilliod catalog (GCPD) here:
http://obswww.unige.ch/gcpd/indexform.html


Mike Simonsen

*********************************
C. E. Scovil Observatory
http://home.mindspring.com/~mikesimonsen/
AAVSO Chart Team
charts at aavso.org
CVnet Administrator
http://cvnet.aavso.org

**********************************

----- Original Message ----- 
From: "Wolfgang Renz" <w_renz at onlinehome.de>
To: "Aaron Price" <aaronp at aavso.org>; "Arne Henden" <arne at aavso.org>
Cc: "AAVSO-PHOTOMETRY" <aavso-photometry at mira.aavso.org>
Sent: Saturday, February 18, 2006 1:42 AM
Subject: Re: [Aavso-photometry] RS Oph Multicolor Photometry


> Hi Aaron
>
> > Visual, CCDV, and PEPV observations are requested. CCD and
> > PEP observers should use the 68 (V = 6.84, B-V = 0.99) star North
> > of RS Oph on the 'a' and 'b' charts as a comparison star and the 63
> > (V = 6.30, B-V = 0.31) star West-Southwest of RS Oph on the same
> > charts as a check star.
>
> Do you have also "official" full UBVRcIc multi-color photometry for the
> bright PMT and CCD comps too ?
>
> Clear skies
>   Wolfgang
>
> -- 
> Wolfgang Renz, Karlsruhe, Germany
> Rz.BAV = WRe.vsnet = RWG.AAVSO
>
>
>