Comments for systemic

Comment on Inside Information by eford

eford — Sat, 20 Mar 2010 02:18:04 +0000

Yes, CoRoT-7b & c is another system with two published planets and one transiting planet. Currently, we expect it to be much easier to detect TTVs of HAT-P-13b for two reasons…
1. Based on the published Doppler observations, we believe that HAT-P-13c has a large eccentricity and thus should cause a sizable perturbation to the transit times over a fairly short period of time near the time of periastron of the outer planet.
2. The transit of HAT-P-13b is deep enough that the transit time can be measured fairly well using even modest ground-based observatories.

Comment on Inside Information by plzz4

plzz4 — Fri, 19 Mar 2010 13:07:30 +0000

@cwmagee
Correct me if I’m wrong, but I think the main thing that makes HAT-P-13 more attractive than CoRoT-7 is that the planets at CoRoT-7 are in perfectly circular orbits to as far as we can detect. HAT-P-7’s planets are both eccentric, and with aligned perihelia, and it is that unique situation that is absent from CoRoT-7 that may play into our favor for probing the interior of HAT-P-13 b.

Comment on downloadable console now available by aasdelat

aasdelat — Thu, 18 Mar 2010 14:57:06 +0000

I use systemic console version 1.5.12, and I still have the problem. ¿When will be fully internationalized?.

Comment on Inside Information by Hungry4info2

Hungry4info2 — Thu, 18 Mar 2010 03:39:00 +0000

That should be “HAT-P-13″ not “HAT-P-7″ ¬_¬

Comment on Inside Information by Hungry4info2

Hungry4info2 — Thu, 18 Mar 2010 03:38:30 +0000

@cwmagee Correct me if I'm wrong, but I think the main thing that makes HAT-P-13 more attractive than CoRoT-7 is that the planets at CoRoT-7 are in perfectly circular orbits to as far as we can detect. HAT-P-7's planets are both eccentric, and with aligned perihelia, and it is that unique situation that is absent from CoRoT-7 that may play into our favor for probing the interior of HAT-P-13 b.

Comment on Inside Information by cwmagee

cwmagee — Wed, 17 Mar 2010 23:43:14 +0000

Does CoRoT 7b,c qualify as another system with a transiting planet and non-transiting close companion?

Or are those planets so close in that star-planet interactions swamp the planet-planet ones?

Comment on upcoming event by SubZero Kari

SubZero Kari — Tue, 09 Mar 2010 17:51:11 +0000

I am truly fascinated by this! What a fun and unique way to observe the universe! This would be wonderful for people who are blind and also as a tool for teaching young people about both astronomy and music. This would be a wonderful subject of exploration for gifted students as well. Amazing!

Comment on Cycle 18 by Hungry4info2

Hungry4info2 — Sat, 27 Feb 2010 05:05:37 +0000

To clarify: would the (exosphere’s first contact – the planet’s first contact) be < (exosphere's fourth contact – planet's fourth contact)?

Comment on Cycle 18 by Hungry4info2

Hungry4info2 — Sat, 27 Feb 2010 05:04:04 +0000

Wow, that is fascinating to think about it.

What can we expect for a transit light curve shape?
Would I be correct in expecting that the time between the exosphere transit and the planet transit would be less on the ingress than it would be on egress? And can we expect a more ’slanted’ transit light curve as the exosphere expands during the transit itself?

Comment on 80sec. 0.47mmag. (!) by Blog de Astronomia do astroPT » WASP-10b

Blog de Astronomia do astroPT » WASP-10b — Sat, 20 Feb 2010 07:51:02 +0000

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