exoclock

TOI-270d (ALERT)

Discovered by: Günther et al. 2019

The Star
Simbad
GAIA
2MASS
L 231-32
DR2 4781196115469953024
J04333970-5157222
RA 04:33:39.7202 DEC -51:57:22.436
Parallax
44.456 mas
P.M. RA
82.944 mas/y
P.M. DEC
-269.755 mas/y
MagV
12.617
MagR
12.147
MagI*
10.418
MagJ
9.099
MagH
8.531
MagK
8.251
MagG
11.631
MagGBP
12.87
MagGRP
10.543
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458776.58464 ± 0.00037 BJDTDB
Period
11.379568 ± 1.2e-05 days

Transit Parameters
Günther et al. 2019
Rp/Rs
0.05143 ± 0.00074
a/Rs
41.56 +0.7 -0.83
i
89.69 +0.16 -0.12 deg
e
-
ω
- deg
DepthR*
3.52 mmag
Duration*
2.15 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Günther et al. 2019
Teff
3386.0 +137.0 -131.0 K
Log(g)
4.88 +0.068 -0.067 cm/s2
Fe/H
-0.17 +0.1 -0.1 dex
ExoClock Status
Observing Priority ALERT
Minimum aperture 23.36"
Total Observations (Recent) 12 (2)
O-C 15.6 ± 1.63 minutes
ExoClock Observations (Recent) 2 (2)
Space Observations (Recent) 10 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.05147 ± 0.00082

TOI-270d


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
TOI-270d (ALERT)
2023-11-30
Magdalena Szkudlarek
Deep Sky Chile - ROTUZ
PlaneWave CDK 20
QHY268M pro / R / 60.0
15.96 ± 2.02
TOI-270d (ALERT)
2023-11-30
Jean-Pascal Vignes
Deep Sky Chile
Planewave CDK400
QHYCCD 600M / Lum / 60.0
14.95 ± 2.74

Space Observations

Planet
Observation Date
Mission O-C
minutes
TOI-270d (ALERT)
2020-12-14
TESS0.64 ± 2.02
TOI-270d (ALERT)
2020-11-21
TESS-0.03 ± 1.73
TOI-270d (ALERT)
2020-10-18
TESS0.55 ± 1.73
TOI-270d (ALERT)
2020-09-25
TESS-0.68 ± 1.24
TOI-270d (ALERT)
2018-12-05
TESS2.4 ± 4.18
TOI-270d (ALERT)
2018-11-24
TESS3.36 ± 1.73
TOI-270d (ALERT)
2018-11-12
TESS0.14 ± 1.41
TOI-270d (ALERT)
2018-10-20
TESS-13.48 ± 7.2
TOI-270d (ALERT)
2018-10-09
TESS-1.58 ± 1.58
TOI-270d (ALERT)
2018-09-28
TESS-0.76 ± 1.73
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