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[vsnet-newvar 2015] ASAS 111224-6022.7 = HDE 306159, another red variable
- Date: Tue, 17 Jun 2003 23:11:20 -0300
- To: <vsnet-newvar@ooruri.kusastro.kyoto-u.ac.jp>,<vsnet-gcvs@ooruri.kusastro.kyoto-u.ac.jp>
- From: "Sebastian Otero" <varsao@fullzero.com.ar>
- Subject: [vsnet-newvar 2015] ASAS 111224-6022.7 = HDE 306159, another red variable
- Cc: "surastronomico" <surastronomico@fullzero.com.ar>,"paula Pietranera" <ppietranera@hotmail.com>,"Lelia" <leliafo@yahoo.com.ar>,"Federico Claus" <nclaus@infovia.com.ar>,"Cecilia" <cecimacros@yahoo.com.ar>, "BED" <enzodb@fullzero.com.ar>,"Astrid Behrens" <astridbeh@arnet.com.ar>,"Gabriel Giust" <gagiust@fullzero.com.ar>
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- Delivered-To: vsnet-newvar@ooruri.kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-newvar@ooruri.kusastro.kyoto-u.ac.jp
An M0 star (Nesterov+ 1995) in Carina, close to the recently reported HD
97671 is also variable.
It is HDE 306159 at 11h 12m 23.87s -60º 22' 43.3" (2000.0)
ASAS-3 data show a range from 8.24 to 8.51 and variable mean magnitude.
It seems to be a very reddened star from Tycho data although Tycho-1 color
(B-V ~2.7) seems a little exagerated (Anyway, there is not a published
conversion from Bessell (2000) for such colors)
Tycho-2= V= 8.24; B-V= 2.05
Searching within the noise in Tycho-1 Epoch data, there seems to be a 0.25
mag. variability between 8.2 and 8.45 (V), which is consistent with ASAS-3
data.
Type= SRa
V= 8.2 - 8.51
Period: ~73 days
Regards,
Sebastian.
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