exoclock

TOI-421c (ALERT)

Discovered by: Carleo et al. 2020

The Star
Simbad
GAIA
2MASS
BD-14 1137
DR2 2984582227215748864
J05272482-1416370
RA 05:27:24.8258 DEC -14:16:37.047
Parallax
13.341 mas
P.M. RA
-35.687 mas/y
P.M. DEC
50.45 mas/y
MagV
9.93
MagR*
9.535
MagI*
9.086
MagJ
8.547
MagH
8.219
MagK
8.071
MagG
9.778
MagGBP
10.203
MagGRP
9.227
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458681.14621 ± 0.00059 BJDTDB
Period
16.067531 ± 2.8e-05 days

Transit Parameters
Carleo et al. 2020
Rp/Rs
0.0542 ± 0.0011
a/Rs
29.91 +4.19 -4.03
i
88.353 +0.078 -0.084 deg
e
0.152 +0.042 -0.042
ω
114.7 +15.6 -13.3 deg
DepthR*
3.24 mmag
Duration*
2.68 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Carleo et al. 2020
Teff
5325.0 +78.0 -58.0 K
Log(g)
4.49 +0.03 -0.02 cm/s2
Fe/H
-0.02 +0.05 -0.05 dex
ExoClock Status
Observing Priority ALERT
Minimum aperture 12.81"
Total Observations (Recent) 7 (1)
O-C 10.15 ± 2.3 minutes
ExoClock Observations (Recent) 1 (1)
Space Observations (Recent) 6 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.05341 ± 0.00056

TOI-421c


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
TOI-421c (ALERT)
2023-11-07
Magdalena Szkudlarek
Deep Sky Chile - ROTUZ
PlaneWave CDK 20
QHY268M pro / R / 10.0
10.15 ± 2.3

Space Observations

Planet
Observation Date
Mission O-C
minutes
TOI-421c (ALERT)
2020-12-11
TESS1.57 ± 1.35
TOI-421c (ALERT)
2020-11-25
TESS-1.72 ± 1.25
TOI-421c (ALERT)
2019-01-04
TESS3.11 ± 1.12
TOI-421c (ALERT)
2018-12-19
TESS0.18 ± 1.24
TOI-421c (ALERT)
2018-12-03
TESS-0.24 ± 1.25
TOI-421c (ALERT)
2018-11-17
TESS-2.76 ± 1.11
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