exoclock

HAT-P-40b

Discovered by: Hartman et al. 2012

The Star
Simbad
GAIA
2MASS
HAT-P-40
DR2 1962153854973972096
J22220308+4527265
RA 22:22:03.0875 DEC +45:27:26.515
Parallax
2.125 mas
P.M. RA
8.962 mas/y
P.M. DEC
-5.41 mas/y
MagV
11.34
MagR*
11.191
MagI*
10.609
MagJ
10.367
MagH
10.085
MagK
10.009
MagG
11.416
MagGBP
11.77
MagGRP
10.923
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2021
Mid-time
2456414.9009 ± 0.0005 BJDTDB
Period
4.4572173 ± 1.7e-06 days

Transit Parameters
Hartman et al. 2012
Rp/Rs
0.0807 ± 0.0014
a/Rs
5.92 +0.06 -0.14
i
88.3 +0.9 -0.9 deg
e
-
ω
- deg
DepthR*
8.59 mmag
Duration*
6.17 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted to produce a duration that matches the observations.

Limb Darkening Parameters
Hartman et al. 2012
Teff
6080.0 +100.0 -100.0 K
Log(g)
3.93 +0.04 -0.04 cm/s2
Fe/H
0.22 +0.1 -0.1 dex
ExoClock Status
Observing Priority
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes
MEDIUM
4 (1)

1

1.4±1.3

HAT-P-40b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-09-23 David Wright
Yorick (private observatory)
10" Ritchey-Chretien
QSI 683WSG-8 / R / 200.0
-0.6 ± 4.3
2020-10-06 Tõnis Eenmäe
Tartu Observatory
Planewave CDK 12.5
Apogee Alta U42 / R / 30.0
5.7 ± 2.7
2020-09-27 John Savage
Z42 Rushay Farm Observatory
Celestron 14Edge
ZWO ASI6200MM / R / 120.0
-0.6 ± 1.9 - Data available
2020-07-31 Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / R / 45.0
2.3 ± 3.5 - Data available


Literature Mid-times

Observation
Date
Mid-time Time format Reference O-C
minutes
2011-09-08 2455813.17584 ± 0.00054 BJD_UTC Hartman et al. 2012 0.1 ± 0.8
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