Planetary Transits Toward the Galactic Bulge

Details Planetary Transits Toward the Galactic Bulge Planetary Transits Toward the Galactic Bulge

2000-04-23

arxiv.org/abs/astro-ph/0004324v1

Astronomy and Astrophysics

Astrophysics

4 pages, 4 figures. Submitted to ApJ Letters

Scientific paper

10.1086/312828

The primary difficulty with using transits to discover extrasolar planets is the low probability a planet has of transiting its parent star. One way of overcoming this difficulty is to search for transits in dense stellar fields, such as the Galactic bulge. Here I estimate the number of planets that might be detected from a monitoring campaign toward the bulge. A campaign lasting 10 nights on a 10 meter telescope (assuming 8 hours of observations per night and a 5'x5' field of view) would detect about 100 planets with radius $\rp=1.5 \rjup$, or about 30 planets with $\rp=1.0 \rjup$, if the frequency and distribution of planets in the bulge is similar to that in the solar neighborhood. Most of these planets will be discovered around stars just below the turn-off, i.e. slightly evolved G-dwarfs. Campaigns involving 1- or 4-m class telescopes are unlikely to discover any planets, unless there exists a substantial population of companions with $\rp > 1.5 \rjup$.

Affiliated with

Also associated with

No associations

Rating

Planetary Transits Toward the Galactic Bulge does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Planetary Transits Toward the Galactic Bulge, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Planetary Transits Toward the Galactic Bulge will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-601610