2010MNRAS.402L...1P

Query : 2010MNRAS.402L...1P

2010MNRAS.402L...1P - Mon. Not. R. Astron. Soc., 402, L1-L5 (2010/February-2)

The spin-orbit angle of the transiting hot Jupiter CoRoT-1b.

PONT F., ENDL M., COCHRAN W.D., BARNES S.I., SNEDEN C., MacQUEEN P.J., MOUTOU C., AIGRAIN S., ALONSO R., BAGLIN A., BOUCHY F., DELEUIL M., FRIDLUND M., HEBRARD G., HATZES A., MAZEH T. and SHPORER A.

Abstract (from CDS):

We measure the angle between the planetary orbit and the stellar rotation axis in the transiting planetary system CoRoT-1, with new HIRES/Keck and FORS/VLT high-accuracy photometry. The data indicate a highly tilted system, with a projected spin-orbit angle λ = 77°±11°. Systematic uncertainties in the radial velocity data could cause the actual errors to be larger by an unknown amount, and this result needs to be confirmed with further high-accuracy spectroscopic transit measurements. Spin-orbit alignment has now been measured in a dozen extra-solar planetary systems, and several show strong misalignment. The first three misaligned planets were all much more massive than Jupiter and followed eccentric orbits. CoRoT-1, however, is a jovian-mass close-in planet on a circular orbit. If its strong misalignment is confirmed, it would break this pattern. The high occurrence of misaligned systems for several types of planets and orbits favours planet-planet scattering as a mechanism to bring gas giants on very close orbits.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): techniques: photometric - techniques: radial velocities - stars: individual (CoRoT-1) - planetary systems

Simbad objects: 18

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Number of rows : 18
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 HD 17156b Pl 02 49 44.4871034544 +71 45 11.629235988           ~ 184 1
2 BD+57 793b Pl 04 21 52.7048156328 +57 49 01.889294952           ~ 217 1
3 BD+57 793 * 04 21 52.7048156328 +57 49 01.889294952   10.27 9.85     F5V 152 2
4 CoRoT-1b Pl 06 48 19.1723766840 -03 06 07.710745140           ~ 181 1
5 CoRoT-1 EB* 06 48 19.1723766840 -03 06 07.710745140     13.6 13.44 12.88 G0V 129 2
6 HD 80606 PM* 09 22 37.5768032712 +50 36 13.435326684   9.78 9.00     G8V 330 2
7 BD+22 2716b Pl 14 33 06.3571702344 +21 53 40.981395876           ~ 160 1
8 BD+22 2716 * 14 33 06.3571702344 +21 53 40.981395876   10.194 9.745     F5V 99 1
9 CD-27 10695 * 15 59 50.9491505016 -28 03 42.312819096   11.83 11.59 11.31 10.92 F4 120 1
10 HD 147506b Pl 16 20 36.3576063720 +41 02 53.106772488           ~ 253 1
11 HD 149026b Pl 16 30 29.6185771608 +38 20 50.308980864           ~ 351 1
12 Kepler-1b Pl 19 07 14.0375836512 +49 18 59.091482160           ~ 330 2
13 CoRoT-2b Pl 19 27 06.4944378024 +01 23 01.359897468           ~ 236 1
14 BD+47 2846 Er* 19 28 59.3538826128 +47 58 10.217007804   10.97 10.48     F6V 306 2
15 BD+47 2846b Pl 19 28 59.3538826128 +47 58 10.217007804           ~ 377 1
16 HD 189733b Pl 20 00 43.7129433648 +22 42 39.073143456           ~ 1436 1
17 HD 209458b Pl 22 03 10.7727465312 +18 53 03.549393384           ~ 1859 1
18 NAME BD+37 4734Bb Pl 22 57 46.8442481880 +38 40 30.358351704           ~ 247 1

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