exoclock
exoclock
K2-25b
Discovered by: Mann et al. 2016
The Star
Simbad
GAIA
2MASS
K2-25
DR2 3311804515502788352
J04130560+1514520
RA 04:13:05.6134 DEC +15:14:52.013
Parallax
22.215 mas
P.M. RA
122.148 mas/y
P.M. DEC
-18.337 mas/y
MagV
15.56
MagR
13.72
MagI*
12.569
MagJ
11.303
MagH
10.732
MagK
10.444
MagG
14.382
MagGBP
16.075
MagGRP
13.12
* calculated from GAIA magnitudes

Ephemeris - Not verified False
Mann et al. 2016
Mid-time
2457062.5793 ± 0.0005 BJDTDB
Period
3.48455 ± 4e-05 days

Transit Parameters
Mann et al. 2016
Rp/Rs
0.106 ± 0.029
a/Rs
25.1 +4.1 -4.1
i
88.3 +1.2 -0.7 deg
e
0.27 +0.16 -0.21
ω
62.0 +44.0 -39.0 deg
DepthR*
13.99 mmag
Duration*
0.79 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Mann et al. 2016
Teff
3180.0 +60.0 -60.0 K
Log(g)
4.98 +0.07 -0.07 cm/s2
Fe/H
0.15 +0.03 -0.03 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
ALERT
3 (0)
13.3±0.4
0
K2-25b


ExoClock Observations
Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-01-08 Taewoo Kim
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / I / 60.0
13.0 ± 0.6
2020-12-25 Taewoo Kim
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / I / 60.0
13.8 ± 0.7
2020-12-04 Taewoo Kim
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 90.0
13.1 ± 1.3
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