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[vsnet-chat 6553] Eta car in different passbands
- Date: Thu, 12 Jun 2003 20:56:34 -0300
- To: "Michael F. Corcoran" <corcoran@barnegat.gsfc.nasa.gov>
- From: "Sebastian Otero" <varsao@fullzero.com.ar>
- Subject: [vsnet-chat 6553] Eta car in different passbands
- Cc: <bish@space.mit.edu>,<vsnet-campaign-sdor@ooruri.kusastro.kyoto-u.ac.jp>,<vsnet-chat@kusastro.kyoto-u.ac.jp>,"Wezen 188" <wezen@fibertel.com.ar>,"Astrid Behrens" <astridbeh@arnet.com.ar>,"BED" <enzodb@fullzero.com.ar>, "Cecilia" <cecimacros@yahoo.com.ar>,"Federico Claus" <nclaus@infovia.com.ar>,"Gabriel Giust" <gag@sinectis.com.ar>,"Lelia" <leliafo@yahoo.com.ar>,"paula Pietranera" <ppietranera@hotmail.com>,"surastronomico" <surastronomico@fullzero.com.ar>,"Augusto Damineli" <damineli@astro.iag.usp.br>
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- Delivered-To: vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
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- References: <p05200f00bb0e3d36d6be@[10.0.1.10]>
- Sender: owner-vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
> surprise! a 2.4 cts/s increase
I have updated the visual lightcurve at:
http://ar.geocities.com/varsao/Curva_Eta_Carinae.htm
It's still on the slow rise around 5.0-5.1.
Looking at the historical data, the eclipse is more apparent in the infrared
bands than in the visual.
It happens well after the X-ray minimum has been reached.
July 11, 2003 is the predicted date according to the IR data.
Might it be possible that the visual eclipse arrives even a little later?
Why is the reason for these diferences accoring to passbands?
A good chance for professionals to help humble amateurs understand!
Cheers,
Sebastian.
PS: I think the visual eclipse will be 0.1-0.15 mag. deep. I hope clouds
don't interfere in the couple of months to come.
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