2011A&A...527L..11H

Query : 2011A&A...527L..11H

2011A&A...527L..11H - Astronomy and Astrophysics, volume 527, L11-11 (2011/3-1)

The retrograde orbit of the HAT-P-6b exoplanet.

HEBRARD G., EHRENREICH D., BOUCHY F., DELFOSSE X., MOUTOU C., ARNOLD L., BOISSE I., BONFILS X., DIAZ R.F., EGGENBERGER A., FORVEILLE T., LAGRANGE A.-M., LOVIS C., PEPE F., PERRIER C., QUELOZ D., SANTERNE A., SANTOS N.C., SEGRANSAN D., UDRY S. and VIDAL-MADJAR A.

Abstract (from CDS):

We observed the transit of the HAT-P-6b exoplanet across its host star with the SOPHIE spectrograph (OHP, France). The resulting stellar radial velocities display the Rossiter-McLaughlin anomaly and reveal a retrograde orbit: the planetary orbital spin and the stellar rotational spin point in approximately opposite directions. A fit to the anomaly measures a sky-projected angle λ=166°±10° between these two spin axes. All seven known retrograde planets are hot Jupiters with masses M_p<3M_Jup. About two thirds of the planets in this mass range, however, are prograde and aligned (λ≃0°). In contrast, most of the more massive planets (M_p>4M_Jup) are prograde but misaligned. Different mechanisms may therefore be responsible for planetary obliquities above and below ∼3.5M_Jup.

Abstract Copyright: ∼

Journal keyword(s): planets and satellites: dynamical evolution and stability - techniques: radial velocities - planetary systems - stars: individual: HAT-P-6

VizieR on-line data: <Available at CDS (J/A+A/527/L11): hat6.dat>

Simbad objects: 30

Full paper

View the references in ADS

Number of rows : 30

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2023	#notes
1	WASP-1	V*	00 20 40.0745768856	+31 59 23.954809596	12.06	11.31			F7V	114	1
2	WASP-1b	Pl	00 20 40.0746033057	+31 59 23.953709844					~	131	1
3	HD 10069	SB*	01 37 25.0332798696	-45 40 40.374717456	9.74	9.30			F6IV/V	217	1
4	BD+57 793b	Pl	04 21 52.7044170433	+57 49 01.892074012					~	211	1
5	CoRoT-1b	Pl	06 48 19.1724141241	-03 06 07.710423478					~	175	1
6	XO-4	*	07 21 33.1602434760	+58 16 05.109533364	11.15	10.81			~	59	1
7	HD 80606	PM*	09 22 37.5768032712	+50 36 13.435326684	9.78	9.00			G8V	319	2
8	WASP-19	EB*	09 53 40.0765648584	-45 39 33.057187596	13.05	12.31	12.12	11.35	G8V	170	2
9	CD-31 10766b	Pl	13 55 42.7119654298	-32 09 34.615276547					~	69	1
10	CD-31 10766	*	13 55 42.7120177608	-32 09 34.616222028	11.396	10.910			F7	69	1
11	WASP-24	*	15 08 51.7367171808	+02 20 35.962165104	12.00	11.22	11.43		F8-9	52	1
12	BD+36 2593	*	15 19 57.9203617176	+36 13 46.738078788	11.83	11.12			F	102	1
13	CD-27 10695b	Pl	15 59 50.9489706053	-28 03 42.309432433					~	247	1
14	HD 146389	PM*	16 15 50.3653280520	+10 01 57.284258556	9.866	9.39	9.22		F8	53	1
15	HD 147506b	Pl	16 20 36.3579144486	+41 02 53.109043943					~	247	1
16	BD+38 2917	*	17 20 27.8781604680	+38 14 31.908984936	10.41	9.99			F5V	66	1
17	BD+38 2917b	Pl	17 20 27.8782981532	+38 14 31.909663582					~	77	1
18	BD+47 2846b	Pl	19 28 59.3538131541	+47 58 10.216250846					~	360	1
19	BD+47 2936	EB*	19 50 50.2472976936	+48 04 51.101390496			8.8		K4V	282	2
20	BD+47 2936b	Pl	19 50 50.2474562793	+48 04 51.097364378					~	397	1
21	WASP-2b	Pl	20 30 54.1279218812	+06 25 46.338261893					~	105	1
22	WASP-2	V*	20 30 54.1282355304	+06 25 46.341284844	13	11.98			K1.5	133	1
23	HD 209458b	Pl	22 03 10.7729598762	+18 53 03.548248479					~	1799	1
24	BD+34 4779	PM*	22 52 09.8636387352	+35 26 49.608422844	10.77	10.36	10.15		F8V	76	1
25	WASP-4	EB*	23 34 15.0857248317	-42 03 41.047972591	13.51	12.48	11.9		G7V	168	1
26	BD+41 4831b	Pl	23 39 05.8101319829	+42 27 57.503480354					~	86	1
27	BD+41 4831	*	23 39 05.8102996968	+42 27 57.505293900	10.88	10.47			F8V	82	1
28	WASP-5	EB*	23 57 23.7564672192	-41 16 37.743700800	12.808	12.146	12.058	11.44	G4V	115	1
29	CD-35 16019b	Pl	23 59 36.0711854449	-35 01 52.923483315					~	124	0
30	CD-35 16019	PM*	23 59 36.0711872328	-35 01 52.923618408	10.49	9.87	9.91		G6	106	0

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