J/MNRAS/485/5790 WASP-177, WASP-181, WASP-183 RV and phot. data (Turner+, 2019)
Three hot-Jupiters on the upper edge of the mass-radius distribution:
WASP-177, WASP-181, and WASP-183.
Turner O.D., Anderson D.R., Barkaoui K., Bouchy F., Benkhaldoun Z.,
Brown D.J.A., Burdanov A., Collier Cameron A., Ducrot E., Gillon M.,
Hellier C., Jehin E., Lendl M., Maxted P.F.L., Nielsen L.D., Pepe F.,
Pollacco D., Pozuelos F.J., Queloz D., Segransan D., Smalley B.,
Triaud A.H.M.J., Udry S., West R.G.
<Mon. Not. R. Astron. Soc., 485, 5790-5799 (2019)>
=2019MNRAS.485.5790T 2019MNRAS.485.5790T (SIMBAD/NED BibCode)
ADC_Keywords: Stars, double and multiple ; Exoplanets ; Radial velocities ;
Photometry ; Optical
Keywords: planets and satellites: detection -
planets and satellites: individual: WASP-177b -
planets and satellites: individual: WASP-181b -
planets and satellites: individual: WASP-183b
Abstract:
We present the discovery of three transiting planets from the WASP
survey, two hot-Jupiters: WASP-177 b (∼0.5MJup, ∼1.6RJup) in a
3.07-d orbit of a V=12.6 K2 star, WASP-183 b (∼0.5MJup,
∼1.5RJup) in a 4.11-d orbit of a V=12.8 G9/K0 star; and one
hot-Saturn planet WASP-181 b (∼0.3MJup, ∼1.2RJup) in a 4.52-d
orbit of a V=12.9 G2 star. Each planet is close to the upper bound of
mass-radius space and has a scaled semimajor axis, a/R*, between 9.6
and 12.1. These lie in the transition between systems that tend to be
in orbits that are well aligned with their host-star's spin and those
that show a higher dispersion.
Description:
Radial velocity (RV) data were obtained with the CORALIE spectrograph
on the 1.2-m Swiss telescope at La Silla, Chile.
Additional photometry was acquired using EulerCam and the two 0.6-m
TRAPPIST telescopes, based at La Silla and Oukaimeden Observatory in
Morocco .
Due to the low masses of WASP-181 b and WASP-183 b, we also
acquired HARPS data.
Objects:
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RA (2000) DE Designation(s)
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22 19 11.33 -01 50 03.0 WASP-177 = TOI-4521
01 47 10.37 +03 07 58.8 WASP-181 = TIC 293457754
10 55 09.35 +00 44 13.8 WASP-183 = TOI-1927
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table3.dat 429 3 System parameters
tablea1.dat 45 69923 Data from WASP
tablea2.dat 49 1756 Data from Trappist
tablea3.dat 45 84 RV data
tablea4.dat 91 356 Data from Euler
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 8 A8 --- Name Object name (WASP-NNN)
10- 28 A19 --- ID 1SWASP designation (JHHMMSS.ss+DDMMSS.s)
30- 31 I2 h RAh Right ascension (J2000)
33- 34 I2 min RAm Right ascension (J2000)
36- 40 F5.2 s RAs Right ascension (J2000)
42 A1 --- DE- Declination sign (J2000)
43- 44 I2 deg DEd Declination (J2000)
46- 47 I2 arcmin DEm Declination (J2000)
49- 52 F4.1 arcsec DEs Declination (J2000)
54- 58 F5.2 mag Vmag V magnitude
60- 64 A5 --- SpType Spectral type (1)
66- 69 I4 K Teff Stellar effective temperature
71- 72 I2 K e_Teff Error on Teff
74- 77 F4.2 [cm/s2] logg Surface gravity of the system
79- 82 F4.2 [cm/s2] e_logg Error on logg
84- 88 F5.2 [-] [Fe/H] Metallicity
90- 93 F4.2 [-] e_[Fe/H] Error on [Fe/H]
95- 97 F3.1 km/s vsini Projected equatorial spin velocity
99-101 F3.1 km/s e_vsini Error on vsini
103-105 F3.1 km/s vmac Stellar macro-turbulent velocity (2)
107-110 F4.1 Gyr Age Stellar age
112-114 F3.1 Gyr e_Age Error on Age
116-118 I3 pc Dist Distance (3)
120 I1 pc e_Dist Error on Dist
122-130 F9.7 d Per Period
132-140 F9.7 d e_Per Error on Per
142-151 F10.5 d T0 Transit epoch (T0-2450000)
153-159 F7.5 d e_T0 Error on T0
161-166 F6.4 d T14 Transit duration
168-173 F6.4 d e_T14 Error on T14
175-179 F5.2 --- a/Rs Scaled semimajor axis
181-184 F4.2 --- E_a/Rs Upper error on a/Rs
186-189 F4.2 --- e_a/Rs Lower error on a/Rs
191-197 F7.5 --- Depth Transit depth (in (Rp/Rs)2 unit)
199-205 F7.5 --- E_Depth Upper error on Depth
207-213 F7.5 --- e_Depth Lower error on Depth
215-219 F5.3 --- b Impact parameter
221-225 F5.3 --- E_b Upper error on b
227-231 F5.3 --- e_b Lower error on b
233-237 F5.2 deg i Orbital inclination
239-242 F4.2 deg E_i Upper error on i
244-247 F4.2 deg e_i Lower error on i
249-255 F7.4 km/s vsys Systemic velocity
257-262 F6.4 km/s e_vsys Error on vsys
264-267 F4.1 m/s K1 Semiamplitude
269-271 F3.1 m/s e_K1 Error on K1
273-279 F7.5 au a Semimajor axis
281-287 F7.5 au e_a Error on a
289-293 F5.3 Msun Ms Stellar mass
295-299 F5.3 Msun e_Ms Error on Ms
301-305 F5.3 Rsun Rs Stellar radius
307-311 F5.3 Rsun e_Rs Error on Rs
313-316 F4.2 Sun rhos Stellar density
318-321 F4.2 Sun E_rhos Upper error on rhos
323-326 F4.2 Sun e_rhos Lower error on rhos
328-332 F5.3 [cm/s2] loggs Stellar surface gravity
334-338 F5.3 [cm/s2] E_loggs Upper error on loggs
340-344 F5.3 [cm/s2] e_loggs Lower error on loggs
346-349 I4 K TLD Limb-darkening temperature
351-352 I2 K e_TLD Error on LTD
354-358 F5.3 Mjup Mp Planet mass
360-364 F5.3 Mjup e_Mp Error on Mp
366-370 F5.3 Rjup Rp Planet radius
372-376 F5.3 Rjup E_Rp Upper error on Rp
378-382 F5.3 Rjup e_Rp Lower error on Rp
384-388 F5.3 Jup rhop Planet density
390-394 F5.3 Jup E_rhop Upper error on rhop
396-400 F5.3 Jup e_rhop Lower error on rhop
402-406 F5.3 [cm/s2] loggp Planet surface gravity
408-412 F5.3 [cm/s2] E_loggp Upper error on loggp
414-418 F5.3 [cm/s2] e_loggp Lower error on loggp
420-423 I4 K Teq Planet equilibrium temperature (4)
425-426 I2 K E_Teq Upper error on Teq
428-429 I2 K e_Teq Lower error on Teq
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Note (1): Spectral type estimated by comparison of Teff to the table in
Gray (2008oasp.book.....G 2008oasp.book.....G)
Note (2): Derived via the method of Doyle et al. (2014MNRAS.444.3592D 2014MNRAS.444.3592D)
Note (3): From Gaia DR2 Gaia Collaboration (2018A&A...616A...1G 2018A&A...616A...1G, Cat. I/345)
and Luri et al. (2018A&A...616A...9L 2018A&A...616A...9L)
Note (4): Assuming 0 albedo and complete redistribution of heat
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Byte-by-byte Description of file: tablea1.dat
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Bytes Format Units Label Explanations
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1- 13 F13.8 --- BJD Barycentric Julian Date (BJD-2450000)
15- 25 F11.8 mag dmag Differential magnitude
27- 36 F10.8 mag e_dmag Error on dmag
38- 45 A8 --- Name Object name (WASP-NNN)
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Byte-by-byte Description of file: tablea2.dat
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Bytes Format Units Label Explanations
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1- 13 F13.8 --- BJD Barycentric Julian Date (BJD-2450000)
15- 25 F11.8 mag dmag Differential magnitude
27- 36 F10.8 mag e_dmag Error on dmag
38- 40 A3 --- Filter [I+z] Trappist filter
42- 49 A8 --- Name Object name (WASP-NNN)
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Byte-by-byte Description of file: tablea3.dat
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Bytes Format Units Label Explanations
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1- 11 F11.6 --- JD Julian Date (JD-2450000)
13- 20 F8.5 km/s RV Radial velocity
22- 28 F7.5 km/s e_RV Error on RV
30- 36 A7 --- Inst Instrument (CORALIE or HARPS)
38- 45 A8 --- Name Object name (WASP-NNN)
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Byte-by-byte Description of file: tablea4.dat
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Bytes Format Units Label Explanations
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1- 13 F13.8 d BJD Barycentric Julian Date (BJD-2450000)
15- 25 F11.8 mag dmag Differential magnitude
27- 36 F10.8 mag e_dmag Error in differential magnitude
38- 45 F8.3 pix Xpos X position
47- 54 F8.3 pix Ypos Y position
56- 61 F6.4 --- Airmass Airmass
63- 68 F6.3 pix FWHM FWHM
70- 76 F7.4 --- Sky Sky background
78- 80 I3 s ExpTime Exposure time (s)
82 A1 --- Filt [BVI] Filter (1)
84- 91 A8 --- Name Object name (WASP-NNN)
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Note (1): B for WASP-177, I for WASP-181 and V for WASP-177.
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History:
From electronic version of the journal
(End) Ana Fiallos [CDS] 12-Oct-2022