IPB

Welcome Guest ( Log In | Register )

4 Pages V   1 2 3 > »   
Reply to this topicStart new topic
Corot, Stars vibrations and extrasolar planets
Rakhir
post Feb 10 2006, 10:40 AM
Post #1


Member
***

Group: Members
Posts: 346
Joined: 12-September 05
From: France
Member No.: 495



Beginning of the COROT satellite validation/integration phase, on 6 January 2006
http://smsc.cnes.fr/COROT/GP_actualite.htm


Corot home pages
http://smsc.cnes.fr/COROT/index.htm
http://sci.esa.int/science-e/www/area/index.cfm?fareaid=39
Go to the top of the page
 
+Quote Post
ljk4-1
post Feb 10 2006, 12:49 PM
Post #2


Senior Member
****

Group: Members
Posts: 2454
Joined: 8-July 05
From: NGC 5907
Member No.: 430



Send a message to 47 Ursae Majoris:

http://www.cosmicconnexion.com/static/index.html

Apparently this exercise in Active SETI (ASETI) is the "celebration"
part of the COROT astronomy satellite mission to find extrasolar
planets, including Earth-size (Telluric) ones. COROT is set for
launch in June of 2006.

http://smsc.cnes.fr/COROT/

http://www.esa.int/science/corot

http://cfa-www.harvard.edu/planets/corot.html


Not that we should refine our ETI searches just to planets
(some would argue we will have better chances aiming our
telescopes at regions which show up in the infrared but not
the optical), but 47 UM does have at least two Jupiter-class
worlds orbiting at fairly large distances from their star (unlike
all those other exogiants that practically skim the photospheres),
allowing at least the possibility of an Earth-size world in the
habitable zones.

See here:

http://www.solstation.com/stars2/47uma.htm

Will the messages being sent out by CNES "survive" the 46 light year
journey to 47 UM? Will they even be comprehensible to anyone
there? Will it at least let any ETI present know they are not alone
and motivate them to respond? Is it wiser to keep our mouths
shut and let someone else contact us first? Or do we gain nothing
by hiding under our beds - except dust?


--------------------
"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

Go to the top of the page
 
+Quote Post
Rakhir
post Mar 10 2006, 03:42 PM
Post #3


Member
***

Group: Members
Posts: 346
Joined: 12-September 05
From: France
Member No.: 495



Searching for rocky world
Due for launch in 2006, Corot will be the first mission capable of detecting rocky planets outside our Solar System. This week EuroNews takes a closer look at this 30-centimetre diameter space telescope which will be able to detect tiny changes in brightness from nearby stars.

http://www.esa.int/esaCP/SEMISENVGJE_index_0.html
Go to the top of the page
 
+Quote Post
konangrit
post Mar 14 2006, 12:54 PM
Post #4


Junior Member
**

Group: Members
Posts: 38
Joined: 14-March 06
Member No.: 704



The Euronews space magazine programme on Corot mentioned in the link above is available to view online here: http://www.euronews.net/create_html.php?page=space&lng=1 along with previous episodes of the show.

Corot is currently scheduled to launch in October, the June launch was put back quite a while ago.
Go to the top of the page
 
+Quote Post
Toymaker
post Mar 16 2006, 07:29 PM
Post #5


Junior Member
**

Group: Members
Posts: 23
Joined: 20-February 06
From: Poland, Wroclaw
Member No.: 685



But it is going to launch ? Meaning the mission wasn't cancelled ?
Go to the top of the page
 
+Quote Post
konangrit
post Mar 17 2006, 05:18 AM
Post #6


Junior Member
**

Group: Members
Posts: 38
Joined: 14-March 06
Member No.: 704



" Meaning the mission wasn't cancelled ?"

Absolutely not. The craft has already been built. It's currently undergoing testing which is due to continue until August, with the launch due in October.

CNES puts the date of scientific data use as 2009, after the end of the primary mission. As I understand it there will be a total of ten phases of observation during the primary mission consisting of five 150 day observations with another five 30 day observations. Surely scientific data use could start after the first phase, somewhere around mid 2007. Correct or not? Obviously it will take some time to analyze the data, does anyone have an idea of how long this should take?
Go to the top of the page
 
+Quote Post
Rakhir
post Mar 23 2006, 08:15 AM
Post #7


Member
***

Group: Members
Posts: 346
Joined: 12-September 05
From: France
Member No.: 495



COROT set to join planet search
http://www.astronomy.com/asy/default.aspx?c=a&id=4054

A slight mistake in this article. They are still reporting a launch of COROT in June 2006. rolleyes.gif

-- Rakhir
Go to the top of the page
 
+Quote Post
GravityWaves
post Mar 29 2006, 08:03 PM
Post #8


Member
***

Group: Members
Posts: 124
Joined: 23-March 06
Member No.: 723



QUOTE (Toymaker @ Mar 16 2006, 04:29 PM) *
cancelled ?

Euros suddenly axe a mission that may upstage the US, that's a good one laugh.gif
I think you're confusing ESA with NASA : who almost cancelled everthing mad.gif except that CEV ! ( although we did get Dawn back, so I suppose we should be thanking them )

The Euros seem to have only cancelled about 1 mission in the last decade

some more on Corot
http://www.bautforum.com/showthread.php?t=38876
http://www.qi.com/talk/viewtopic.php?t=308...5ae2d4df484ab42
http://forum.nasaspaceflight.com/forums/th...id=1172&posts=2
http://www.webastro.net/forum/index.php?showtopic=10936
Go to the top of the page
 
+Quote Post
GravityWaves
post Mar 29 2006, 09:30 PM
Post #9


Member
***

Group: Members
Posts: 124
Joined: 23-March 06
Member No.: 723



QUOTE (ljk4-1 @ Feb 10 2006, 09:49 AM) *
Send a message to 47 Ursae Majoris:

http://www.cosmicconnexion.com/static/index.html

Apparently this exercise in Active SETI (ASETI) is the "celebration"
part of the COROT astronomy satellite mission to find extrasolar
planets, including Earth-size (Telluric) ones. COROT is set for
launch in June of 2006.


I'm all for listening for space signals but I'm not sure we should be pro-active giving away our position

PS
what kind of a childish dork wrote this message ' Killallhumans '
http://www.cosmicconnexion.com/visu.php?la...age=564&debut=0
'Le human-race is a parasite'
Thank you Mr.French Person for sending such a warm message to the stars
Go to the top of the page
 
+Quote Post
ljk4-1
post Mar 29 2006, 10:16 PM
Post #10


Senior Member
****

Group: Members
Posts: 2454
Joined: 8-July 05
From: NGC 5907
Member No.: 430



QUOTE (GravityWaves @ Mar 29 2006, 04:30 PM) *
I'm all for listening for space signals but I'm not sure we should be pro-active giving away our position

PS
what kind of a childish dork wrote this message ' Killallhumans '
http://www.cosmicconnexion.com/visu.php?la...age=564&debut=0
'Le human-race is a parasite'
Thank you Mr.French Person for sending such a warm message to the stars


This is more of a publicity stunt than a serious attempt at Active SETI.

While the particular "message" you cite is certainly juvenile and crude, I really
would not concern myself with it causing an interstellar invasion, and not just
because ETI probably would not understand French, English, or any other human
language outside of mathematics.

At best, this stunt might make an ETI aware of us as an artificial signal, but
its jumble of messages will likely be unintelligible to them. And recall that we
have been braodcasting our presence into the galaxy since the advent of
radio, television, and radar. Most of those signals already have many light
years on the Corot stunt.


--------------------
"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

Go to the top of the page
 
+Quote Post
Toymaker
post Mar 30 2006, 10:42 AM
Post #11


Junior Member
**

Group: Members
Posts: 23
Joined: 20-February 06
From: Poland, Wroclaw
Member No.: 685



QUOTE
The Euros seem to have only cancelled about 1 mission in the last decade

They cancelled Eddington smile.gif

QUOTE
I'm all for listening for space signals but I'm not sure we should be pro-active giving away our position

You don't need to worry. Any advanced civilisation nearby would know our potential presence. We are close to detecting extra-solar planets capable of life, others will too. And you can detect planets much easier then radio signals which in reality are received in a very short range.
Go to the top of the page
 
+Quote Post
ljk4-1
post Mar 30 2006, 02:30 PM
Post #12


Senior Member
****

Group: Members
Posts: 2454
Joined: 8-July 05
From: NGC 5907
Member No.: 430



Astrophysics, abstract
astro-ph/0603671

From: J\'er\^ome Ballot [view email]

Date: Fri, 24 Mar 2006 14:52:51 GMT (50kb)

Rotation speed and stellar axis inclination from p modes: How CoRoT would see other suns

Authors: J. Ballot, R. A. Garcia, P. Lambert

Comments: 6 pages, 4 figures, accepted for publication in MNRAS

In the context of future space-based asteroseismic missions, we have studied the problem of extracting the rotation speed and the rotation-axis inclination of solar-like stars from the expected data. We have focused on slow rotators (at most twice solar rotation speed), firstly because they constitute the most difficult case and secondly because some of the CoRoT main targets are expected to have slow rotation rates. Our study of the likelihood function has shown a correlation between the estimates of inclination of the rotation axis i and the rotational splitting deltanu of the star. By using the parameters, i and deltanu*=deltanu sin(i), we propose and discuss new fitting strategies. Monte Carlo simulations have shown that we can extract a mean splitting and the rotation-axis inclination down to solar rotation rates. However, at the solar rotation rate we are not able to correctly recover the angle i although we are still able to measure a correct deltanu* with a dispersion less than 40 nHz.

http://arxiv.org/abs/astro-ph/0603671


--------------------
"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

Go to the top of the page
 
+Quote Post
GravityWaves
post Apr 3 2006, 09:11 PM
Post #13


Member
***

Group: Members
Posts: 124
Joined: 23-March 06
Member No.: 723



ok the last few articles I saw said Corot would be launched in October 2006, is that date correct ?

Konangrit thinks so anyway
Go to the top of the page
 
+Quote Post
Rakhir
post Apr 12 2006, 08:07 PM
Post #14


Member
***

Group: Members
Posts: 346
Joined: 12-September 05
From: France
Member No.: 495



QUOTE (GravityWaves @ Apr 3 2006, 11:11 PM) *
ok the last few articles I saw said Corot would be launched in October 2006, is that date correct ?

Konangrit thinks so anyway


The Corot web site is showing an october 2006 launch date.
And I received the confirmation from the launch campaign manager that this is indeed the planned date.

-- Rakhir
Go to the top of the page
 
+Quote Post
ljk4-1
post Apr 17 2006, 06:14 PM
Post #15


Senior Member
****

Group: Members
Posts: 2454
Joined: 8-July 05
From: NGC 5907
Member No.: 430



Corot Space Telescope On Target For October Launch

http://www.spacedaily.com/reports/Corot_Sp...ber_Launch.html


--------------------
"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

Go to the top of the page
 
+Quote Post

4 Pages V   1 2 3 > » 
Reply to this topicStart new topic

 



RSS Lo-Fi Version Time is now: 29th July 2014 - 06:52 PM
RULES AND GUIDELINES
Please read the Forum Rules and Guidelines before posting.

IMAGE COPYRIGHT
Images posted on UnmannedSpaceflight.com may be copyrighted. Do not reproduce without permission. Read here for further information on space images and copyright.

OPINIONS AND MODERATION
Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators.
SUPPORT THE FORUM
Unmannedspaceflight.com is a project of the Planetary Society and is funded by donations from visitors and members. Help keep this forum up and running by contributing here.