J/AJ/163/77 R and B photometry of hot Jupiter HAT-P-37b (A-thano+, 2022)
The Transit Timing and Atmosphere of Hot Jupiter HAT-P-37b.
A-thano N., Jiang I.-G., Awiphan S., Rattanamala R., Su L.-H., Hengpiya T.,
Sariya D.P., Yeh L.-C., Shlyapnikov A.A., Gorbachev M.A., Rublevski A.N.,
Mannaday V.K., Thakur P., Sahu D.K., Mkrtichian D., Griv E.
<Astron. J., 163, 77 (2022)>
=2022AJ....163...77A 2022AJ....163...77A
ADC_Keywords: Exoplanets; Stars, G-type; Photometry; Optical
Keywords: Exoplanet astronomy ; Exoplanet atmospheres
Abstract:
We perform transit timing variation (TTV) and transmission
spectroscopy analyses of the planet HAT-P-37b, which is a hot Jupiter
orbiting a G-type star. Nine new transit light curves are obtained and
analyzed together with 21 published light curves from the literature.
The updated physical parameters of HAT-P-37b are presented. The TTV
analyses show a possibility that the system has an additional planet
that induced the TTVs amplitude signal of 1.74±0.17minutes. If the
body is located near the 1:2 mean-motion resonance orbit, the
sinusoidal TTV signal could be caused by the gravitational interaction
of a sub-Earth-mass planet with mass of 0.06M⊕. From the
analysis of an upper-mass limit for the second planet, a Saturn-mass
planet with orbital period less than 6 days is excluded. The broadband
transmission spectra of HAT-P-37b favors a cloudy atmospheric model
with an outlier spectrum in the B filter.
Description:
The photometric observations of HAT-P-37b were conducted using the
60inch telescope (P60) at Palomar Observatory, USA, the 50cm Maksutov
telescope (MTM-500) at the Crimean Astrophysical Observatory, Crimea,
and the 0.7m Thai Robotic Telescope at Sierra Remote Observatories,
USA, between 2014 June and 2021 July. Nine transits, including five
full transits and four partial transits, in the R band and B band were
obtained.
Objects:
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RA (2000) DE Designation(s) (Period)
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18 57 11.06 +51 16 08.8 HAT-P-37b = HAT-P-37b (P=2.797434d)
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 32 1397 *The detrended photometric data of HAT-P-37b
transits in this work
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Note on table2.dat: The 2nd order polynomial detrending functions in TransitFit
were used.
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See also:
IV/38 : TESS Input Catalog - v8.0 (TIC-8) (Stassun+, 2019)
J/AJ/142/84 : 10 new transit light curves of HAT-P-13b (Fulton+, 2011)
J/AJ/144/19 : Follow-up photometry HAT-P-34 through HAT-P-37 (Bakos+, 2012)
J/ApJ/750/114 : Kepler TTVs. IV. 4 multiple-planet systems (Fabrycky+, 2012)
J/AJ/145/68 : Five new transit light curves of TrES-3 (Jiang+, 2013)
J/A+A/602/A107 : 231 transiting planets eccentricity and mass (Bonomo+, 2017)
J/AJ/154/4 : Times of transits and occultations of WASP-12b (Patra+, 2017)
J/AcA/68/371 : WASP and KELT planet transits (Maciejewski+, 2018)
J/MNRAS/490/4230 : Transiting planet WASP-4b (Southworth+, 2019)
J/A+A/628/A116 : HAT-P-26 differential transit photometry (von Essen+, 2019)
J/AJ/162/7 : Light curve & radial velocities 7 host stars (Bakos+, 2021)
Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- Epoch [416/1354] Epoch identifier (1)
6 A1 --- Filt Filter used; R or B
8- 20 F13.5 d BJD [2456805/2459430] Barycentric Julian Date;
TDB based
22- 26 F5.3 --- NFlux [0.96/1.03] Normalised flux
28- 32 F5.3 --- e_NFlux [0.003/0.02] Uncertainty in NFlux
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Note (1): Epoch=0 is the transit on 2011 March 21.
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History:
From electronic version of the journal
(End) Prepared by [AAS], Coralie Fix [CDS], 12-Apr-2022