(cba:news) Fwd: [vsnet-alert 18832] V380 Oph deep fading

Joe Patterson jop at astro.columbia.edu
Tue Jul 7 22:20:30 EDT 2015

Oooooo, now there's a deep fading!  18.8 mag is kind of intimidating, 
maybe... but there's a decent chance the star has a very hefty 
sinusoidal signal with a period near 3.5 hours.  (That's one theory for 
what should happen in deep fadings.)


-------- Forwarded Message --------
Return-Path: <vsnet-alert-bounces at ooruri.kusastro.kyoto-u.ac.jp>
Received: from sedna ([unix socket]) by sedna (Cyrus 
v2.1.18-IPv6-Debian-2.1.18-1.cal.sarge2) with LMTP; Tue, 07 Jul 2015 
21:39:04 -0400
X-Sieve: CMU Sieve 2.2
X-Original-To: jop at astro.columbia.edu
Delivered-To: jop at astro.columbia.edu
Received: from ooruri.kusastro.kyoto-u.ac.jp 
(ooruri.kusastro.kyoto-u.ac.jp []) by 
sedna.astro.columbia.edu (Postfix) with ESMTP id 992C116F8584 for 
<jop at astro.columbia.edu>; Tue,  7 Jul 2015 21:39:04 -0400 (EDT)
Received: from ooruri.kusastro.kyoto-u.ac.jp (localhost []) by 
ooruri.kusastro.kyoto-u.ac.jp (Postfix) with ESMTP id BB0E61FC0A3; Wed, 
  8 Jul 2015 10:38:52 +0900 (JST)
X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on 
X-Spam-Status: No, score=-1.9 required=7.5 tests=BAYES_00,SPF_PASS, 
T_RP_MATCHES_RCVD autolearn=ham version=3.3.2
X-Kusastro-Local: yes
X-Original-To: vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp
Delivered-To: vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp
Received: from eri.kusastro.kyoto-u.ac.jp (eri.kusastro.kyoto-u.ac.jp 
[]) by ooruri.kusastro.kyoto-u.ac.jp (Postfix) with ESMTP id 
8791D1FC0A0; Wed,  8 Jul 2015 10:38:50 +0900 (JST)
Received: from eri.kusastro.kyoto-u.ac.jp (localhost []) by 
eri.kusastro.kyoto-u.ac.jp (Postfix) with ESMTP id C9BBC6076D; Wed,  8 
Jul 2015 10:39:00 +0900 (JST)
Received: from ori.kusastro.kyoto-u.ac.jp 
(h214. []) by 
eri.kusastro.kyoto-u.ac.jp (Postfix) with ESMTP id AA31760558; Wed,  8 
Jul 2015 10:39:00 +0900 (JST)
Received: from tkato by ori.kusastro.kyoto-u.ac.jp with local (Exim 
4.72) (envelope-from <tkato at kusastro.kyoto-u.ac.jp>) id 
1ZCeKC-0001tD-L4; Wed, 08 Jul 2015 10:39:00 +0900
Date: Wed, 08 Jul 2015 10:39:00 +0900
Message-Id: <E1ZCeKC-0001tD-L4 at ori.kusastro.kyoto-u.ac.jp>
To: variable_star_forum at yahoogroups.com, 
vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp, vsnet-alert at yahoogroups.com, 
vsnet-campaign-nl at ooruri.kusastro.kyoto-u.ac.jp
From: Taichi Kato <tkato at kusastro.kyoto-u.ac.jp>
X-Virus-Scanned: ClamAV using ClamSMTP
Subject: [vsnet-alert 18832] V380 Oph deep fading
X-BeenThere: vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: To distribute alert notices of important phenomena 
<mailto:vsnet-alert-request at ooruri.kusastro.kyoto-u.ac.jp?subject=unsubscribe>
List-Archive: <http://ooruri.kusastro.kyoto-u.ac.jp/pipermail/vsnet-alert/>
List-Post: <mailto:vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>
<mailto:vsnet-alert-request at ooruri.kusastro.kyoto-u.ac.jp?subject=help>
<mailto:vsnet-alert-request at ooruri.kusastro.kyoto-u.ac.jp?subject=subscribe>
Errors-To: vsnet-alert-bounces at ooruri.kusastro.kyoto-u.ac.jp
Sender: "vsnet-alert" <vsnet-alert-bounces at ooruri.kusastro.kyoto-u.ac.jp>
X-DSPAM-Result: Whitelisted
X-DSPAM-Processed: Tue Jul  7 21:39:04 2015
X-DSPAM-Confidence: 0.9899
X-DSPAM-Probability: 0.0000
X-DSPAM-Signature: 559c7f38263427856594097

V380 Oph deep fading

   A similar deep fading was recorded in 2012.

   YYYYMMDD(UT)   mag  observer
   20150626.953  15.77CV  (Adolfo Darriba Martinez)
   20150627.023  16.83CV  (Adolfo Darriba Martinez)
   20150627.938  15.79CV  (Adolfo Darriba Martinez)
   20150704.070  18.81CV  (Adolfo Darriba Martinez)
   20150704.077  18.65CV  (Adolfo Darriba Martinez)
   20150704.083  18.78CV  (Adolfo Darriba Martinez)
   20150704.093  18.32CV  (Adolfo Darriba Martinez)
   20150704.105  18.36CV  (Adolfo Darriba Martinez)
   20150704.116  17.99CV  (Adolfo Darriba Martinez)
   20150704.127  18.44CV  (Adolfo Darriba Martinez)
   20150704.935  18.75CV  (Adolfo Darriba Martinez)
   20150704.947  19.02CV  (Adolfo Darriba Martinez)

Center for Backyard Astrophysics (CBA) mailing lists

More information about the cba-public mailing list