J/A+A/544/A72 WASP-42 and WASP-49 photometry and velocities (Lendl+, 2012)
WASP-42b and WASP-49b: two new transiting sub-Jupiters.
Lendl M., Anderson D.R., Collier-Cameron A., Doyle A.P., Gillon M.,
Hellier C., Jehin E., Lister T.A., Maxted P.F.L., Pepe F., Pollacco D.,
Queloz D., Smalley B., Segransan D., Smith A.M.S., Triaud A.H.M.J., Udry S.,
West R.G., Wheatley P.J.
<Astron. Astrophys. 544, A72 (2012)>
=2012A&A...544A..72L 2012A&A...544A..72L
ADC_Keywords: Binaries, eclipsing ; Planets ; Photometry ; Radial velocities
Keywords: binaries: eclipsing - planetary systems - stars: individual: WASP-42 -
stars: individual: WASP-49 - techniques: spectroscopic -
techniques: photometric
Abstract:
We report the discovery of two new transiting planets from the WASP
survey. WASP-42 b is a 0.500±0.035MJup planet orbiting a K1 star
at a separation of 0.0548±0.0017AU with a period of
4.9816872±7.3x10-6days. The radius of WASP-42 b is
1.080±0.057RJup while its equilibrium temperature is
Teq=995±34K. We detect some evidence for a small but non-zero
eccentricity of e=0.060±0.013. WASP-49 b is a 0.378±0.027MJup
planet around an old G6 star. It has a period of
2.7817387±5.6x10-6days and a separation of 0.0379±0.0011AU. This
planet is slightly bloated, having a radius of 1.115±0.047RJup and
an equilibrium temperature of Teq=1369±39K. Both planets have been
followed up photometrically, and in total we have obtained 5 full and
one partial transit light curves of WASP-42 and 4 full and one partial
light curves of WASP-49 using the Euler-Swiss, TRAPPIST and Faulkes
South telescopes.
Description:
We present photometric time-series obtained by the Euler-Swiss,
TRAPPIST and FTS telescopes obtained during transits of WASP-42 b and
WASP-49 b. We also present radial-velocity measurements of WASP-42
obtained with HARPS and CORALIE radial-velocity measurements of
WASP-42 and WASP-49.
Objects:
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RA (2000) DE Designation(s)
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12 51 55.62 -42 04 25.2 WASP-42 = 2MASS J12515557-4204249
06 04 21.47 -16 57 55.1 WASP-49 = 2MASS J06042146-1657550
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
phot.dat 51 3514 WASP-42 and WASP-49 transit photometry
from TRAPPIST, EuleCam, HARPS and FTS
rv.dat 49 87 WASP-42 and WASP-49 radial velocities measured
by CORALIE and HARPS
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See also:
J/MNRAS/408/1680 : Transiting planetary system WASP-2 (Southworth+, 2010)
J/MNRAS/399/287 : Transiting planetary system WASP-4 (Southworth+, 2009)
J/A+A/530/A5 : WASP-4b Ks-band thermal emission detection (Caceres+, 2011)
J/AJ/137/3826 : Two transits of the giant planet WASP-4b (Winn+, 2009)
J/MNRAS/396/1023 : Transiting planetary system WASP-5 (Southworth+, 2009)
J/A+A/501/785 : Discovery and characterization of WASP-6b (Gillon+, 2009)
J/A+A/527/A8 : Transiting planetary system WASP-7 (Southworth+, 2011)
J/A+A/517/L1 : Radial velocities of WASP-8b planet (Queloz+, 2010)
J/ApJ/692/L100 : Relative photometry of WASP-10 (Johnson+, 2009)
J/A+A/528/A65 : WASP-12b transits (Maciejewski+, 2011)
J/A+A/502/391 : WASP-13b photometry and radial velocities (Skillen+, 2009)
J/ApJ/707/167 : Transiting planetary system WASP-18 (Southworth+, 2009)
J/A+A/513/L3 : WASP-19b H-band thermal emission (Anderson+ 2010)
J/A+A/519/A98 : Transit of exoplanet WASP-21b (Bouchy+, 2010)
J/A+A/531/A60 : WASP-31b photometry and radial velocities (Anderson+, 2011)
J/A+A/520/A56 : WASP-26b RV and photometric data (Smalley+, 2010)
J/A+A/526/L10 : Transits of WASP-33 (Herrero+, 2011)
J/A+A/526/A130 : WASP-34b photometry and radial velocities (Smalley+, 2011)
J/A+A/525/A54 : Transits of WASP-38b (Barros+, 2011)
J/A+A/531/A24 : WASP-23 photometric and radial velocity data (Triaud+, 2011)
J/A+A/531/A40 : Transits of WASP-39b (Faedi+, 2011)
J/A+A/533/A88 : WASP-50b photometry and radial velocities (Gillon+, 2011)
J/A+A/534/A16 : WASP-22 and WASP-26 photometry & velocities (Anderson+ 2011)
J/A+A/524/A25 : Radial Velocities on 6 exoplanet host stars (Triaud+, 2010)
Byte-by-byte Description of file: phot.dat
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Bytes Format Units Label Explanations
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1- 14 F14.6 d HJD Heliocentric Julian Date
16- 24 F9.6 --- Flux Normalized Flux
27- 34 F8.6 --- e_Flux Normalized Flux error
36- 43 A8 --- Inst Instrument used (TRAPPIST, EulerCam, or FTS) (1)
45- 51 A7 --- Star Star (WASP-42 or WASP-29)
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Note (1): Filters used as follows:
EulerCam = Gunn r' filter
TRAPPIST = I+z' filter
FTS = Gunn z' filter
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Byte-by-byte Description of file: rv.dat
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Bytes Format Units Label Explanations
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1- 14 F14.6 d BJD Barycentric Julian Date
17- 24 F8.5 km/s RV Barycentric Radial Velocity
27- 33 F7.5 km/s e_RV 1-sigma Error on Radial Velocity
35- 41 A7 --- Inst Instrument used (CORALIE or HARPS)
43- 49 A7 --- Star Star (WASP-42 or WASP-49)
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Acknowledgements:
Monika Lendl, monika.lendl(at)unige.ch
(End) Patricia Vannier [CDS] 05-Jul-2012