[vsnet-chat 3859] (fwd) Re: Delta Sco as a Voyager occultation experiment

[Taichi Kato <tkato>]

From bedding@suphys.physics.usyd.edu.au Thu Dec  7 17:48 JST 2000
Date: Thu, 7 Dec 2000 19:48:50 +1100 (EST)
From: Tim Bedding <bedding@Physics.usyd.edu.au>
To: tkato@kusastro.kyoto-u.ac.jp
CC: vsnet-be@kusastro.kyoto-u.ac.jp, vsnet-chat@kusastro.kyoto-u.ac.jp
Subject: Re: [vsnet-be 39] Delta Sco as a Voyager occultation experiment
Content-Type: text
Content-Length: 763

>    I recently noticed that delta Sco was used when Voyager made an
> occultation experiment on the Saturn's ring.  I wonder whether its
> Be-star nature could have affected the interpretation of the experiment.

Unlikely.  The occultation would have been over very quickly, I suppose. 

> # I remember Algol was used on other occasion.  Is there any reason why
> # variable stars were preferred in such experiments?

No.  They would probably just use whichever bright star that happened to be
in the right place at the right time.  And nobody knew that delta Sco was
variable at that time, anyway.

	 Tim Bedding

-- 
Tim Bedding   School of Physics A28, University of Sydney 2006, AUSTRALIA
              Phone: +61 2 9351 2680            Fax: +61 2 9351 7726

VSNET Home Page

Return to Daisaku Nogami

---

vsnet-adm@kusastro.kyoto-u.ac.jp