exoclock

HATS-4b

Discovered by: Jordán et al. 2014

The Star
Simbad
GAIA
2MASS
HATS-4
DR2 2937583121652951936
J06162689-2232487
RA 06:16:26.9016 DEC -22:32:48.815
Parallax
2.372 mas
P.M. RA
0.266 mas/y
P.M. DEC
2.484 mas/y
MagV
13.459
MagR*
13.039
MagI*
12.584
MagJ
12.032
MagH
11.697
MagK
11.612
MagG
13.286
MagGBP
13.721
MagGRP
12.711
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2021
Mid-time
2457086.8394 ± 0.0003 BJDTDB
Period
2.5167278 ± 5e-07 days

Transit Parameters
Jordán et al. 2014
Rp/Rs
0.113 ± 0.003
a/Rs
8.43 +0.17 -0.22
i
88.5 +0.6 -0.6 deg
e
-
ω
- deg
DepthR*
17.11 mmag
Duration*
2.5 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted to produce a duration that matches the observations.

Limb Darkening Parameters
Jordán et al. 2014
Teff
5403.0 +50.0 -50.0 K
Log(g)
4.51 +0.02 -0.02 cm/s2
Fe/H
0.43 +0.08 -0.08 dex
ExoClock Status
Observing Priority
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes
MEDIUM
6 (2)

1

-0.7±0.4

HATS-4b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2022-02-08 Anaël Wünsche
El Sauce Observatory
CDK Planewave Chili
Moravian G4 16k / Lum / 120.0
1.9 ± 1.3
2022-01-13 David Arnot
OSO PIRATE
PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / Clear / 60.0
-2.3 ± 1.6
2021-01-24 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-2.5 ± 1.4
2021-01-19 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-1.6 ± 0.7
2020-11-12 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-0.1 ± 1.0 - Data available
2020-09-20 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 120.0
0.3 ± 0.9 - Data available


Literature Mid-times

Observation
Date
Mid-time Time format Reference O-C
minutes
2011-09-03 2455808.34095 ± 0.00036 BJD_UTC Jordán et al. 2014 0.1 ± 0.5
© 2019-2022 ExoClock Project - Privacy policy