exoclock

HAT-P-39b (LOW)

Discovered by: Hartman et al. 2012

The Star
Simbad
GAIA
2MASS		 HAT-P-39
DR2 3169391577586325120
J07350197+1749482
RA 07:35:01.9794 DEC +17:49:48.234
Parallax
1.406 mas		 P.M. RA
1.121 mas/y		 P.M. DEC
-8.592 mas/y
MagV
12.422		 MagR*
12.04		 MagI*
11.868		 MagJ
11.424		 MagH
11.184		 MagK
11.157
MagG
12.227		 MagGBP
12.477		 MagGRP
11.836
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458089.92057 ± 0.00019 BJDTDB
Period
3.5438737 ± 3.4e-07 days
Transit Parameters
Hartman et al. 2012
Rp/Rs
0.099 ± 0.003		 a/Rs
6.74 +0.25 -0.25
 i
87.0 +1.0 -1.0 deg
e
-		 ω
- deg
DepthR*
12.52 mmag		 Duration*
4.2 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hartman et al. 2012
Teff
6430.0 +100.0 -100.0 K
 Log(g)
4.17 +0.05 -0.05 cm/s2
 Fe/H
0.19 +0.1 -0.1 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.78"
Total Observations (Recent) 42 (4)
O-C 1.01 ± 0.94 minutes
ExoClock Observations (Recent) 19 (4)
Space Observations (Recent) 18 (0)
ETD Observations (Recent) 4 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.09895 ± 0.00053

HAT-P-39b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-39b (LOW)
2025-02-05		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		6.76 ± 4.75
HAT-P-39b (LOW)
2025-02-05		Tommaso Dittadi
TD-TRO		Ritchey-Chretien
Moravian G2-1600 / R / 120.0		6.04 ± 4.03
HAT-P-39b (LOW)
2025-01-01		Leon Bewersdorff
Starfront Observatories		Corrected Ritchey-Chrétien
QHY268M / AstrodonExoPlanet-BB / 150.0		4.79 ± 3.02
HAT-P-39b (LOW)
2024-12-04		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / R / 120.0		6.22 ± 2.16
HAT-P-39b (LOW)
2024-02-13		David Quiles
David Quiles Observatory		Celestron EDGEHD 800
Omegon veTEC 571M / R / 180.0		-0.24 ± 2.45
HAT-P-39b (LOW)
2024-02-13		Fabio Mortari
Hypatia Observatory		Ritchey Chretienne 250mm f/5.3
MORAVIAN C2-7000A / R / 200.0		-0.81 ± 3.46
HAT-P-39b (LOW)
2024-02-13		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / R / 120.0		-5.42 ± 2.45
HAT-P-39b (LOW)
2024-01-13		Marc Serrau
A77 - Dauban		Meade SC 12"
QHY260MM / rpr / 300.0		-1.3 ± 1.87
HAT-P-39b (LOW)
2023-02-13		Dominique Suys
Dominique Suys		Meade LX200
SBIG ST8XME / Clear / 60.0		4.21 ± 1.58
HAT-P-39b (LOW)
2023-02-13		Lionel Rousselot
Private observatory Vierzon		Newton 250/1000
ZWO 1600 monochrome / Clear / 45.0		0.76 ± 1.73
HAT-P-39b (LOW)
2023-02-13		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 150.0		-1.69 ± 2.02
HAT-P-39b (LOW)
2023-02-13		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-6.15 ± 3.74
HAT-P-39b (LOW)
2022-01-13		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / Clear / 120.0		1.27 ± 1.44
HAT-P-39b (LOW)
2022-01-13		Andras Dan
Rocca1		Celestron C8
QHY 183 M / AstrodonExoPlanet-BB / 60.0		-2.04 ± 3.02
HAT-P-39b (LOW)
2022-01-13		Dominique DANIEL
La Montjoie		Celestron CGX C8 XLT
Camera CMOS ZWO ASI294MC pro (color) / Clear / 180.0		-6.08 ± 3.46
HAT-P-39b (LOW)
2022-01-05		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 150.0		-0.82 ± 2.74
HAT-P-39b (LOW)
2022-01-05		Valère Perroud
Observatoire de Duines		RC 10
Moravian G2-4000 / Lum / 180.0		-3.27 ± 4.32
HAT-P-39b (LOW)
2021-11-03		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 150.0		2.24 ± 2.88
HAT-P-39b (LOW)
2021-11-03		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 120.0		0.66 ± 4.32

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HAT-P-39b (LOW)
2021-12-29		TESS0.11 ± 1.58
HAT-P-39b (LOW)
2021-12-26		TESS2.81 ± 1.87
HAT-P-39b (LOW)
2021-12-22		TESS-0.83 ± 1.87
HAT-P-39b (LOW)
2021-12-15		TESS-1.77 ± 1.87
HAT-P-39b (LOW)
2021-12-12		TESS2.08 ± 2.02
HAT-P-39b (LOW)
2021-12-08		TESS-2.28 ± 1.73
HAT-P-39b (LOW)
2021-12-01		TESS1.39 ± 1.73
HAT-P-39b (LOW)
2021-11-27		TESS-0.52 ± 1.73
HAT-P-39b (LOW)
2021-11-24		TESS0.31 ± 1.73
HAT-P-39b (LOW)
2021-11-17		TESS-0.63 ± 1.58
HAT-P-39b (LOW)
2021-11-13		TESS0.19 ± 1.58
HAT-P-39b (LOW)
2021-11-10		TESS-1.43 ± 2.02
HAT-P-39b (LOW)
2021-11-03		TESS2.67 ± 1.58
HAT-P-39b (LOW)
2021-10-30		TESS-0.53 ± 2.02
HAT-P-39b (LOW)
2021-10-27		TESS0.15 ± 1.87
HAT-P-39b (LOW)
2021-10-23		TESS-3.2 ± 2.02
HAT-P-39b (LOW)
2021-10-19		TESS0.22 ± 1.87
HAT-P-39b (LOW)
2021-10-16		TESS-1.41 ± 2.3

ETD Observations
Planet
Observation Date		 Observer(s) ETD link O-C
minutes
HAT-P-39b (LOW)
2023-01-05		Jordi Lopesino16730244673.65 ± 5.04
HAT-P-39b (LOW)
2021-03-24		F. Lomoz1616660971-0.43 ± 6.91
HAT-P-39b (LOW)
2020-01-28		Sohee Chun, Diego Gonzalez1580930842-2.49 ± 5.33
HAT-P-39b (LOW)
2019-02-21		Pere Guerra1550942956-0.66 ± 1.87

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2010-01-12 Hartman et al. 2012 0.01 ± 0.59
© 2019-2023 ExoClock Project - Privacy policy - Contact: exoclockproject@gmail.com