exoclock

XO-7b (LOW)

Discovered by: Crouzet et al. 2020

The Star
Simbad
GAIA
2MASS
BD+85 317
DR2 2303332931542914048
J18295488+8513593
RA 18:29:54.9290 DEC +85:13:59.575
Parallax
4.242 mas
P.M. RA
-15.354 mas/y
P.M. DEC
24.461 mas/y
MagV
10.52
MagR*
10.245
MagI*
9.856
MagJ
9.557
MagH
9.308
MagK
9.241
MagG
10.457
MagGBP
10.779
MagGRP
10.009
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2459111.81975 ± 0.00011 BJDTDB
Period
2.8641356 ± 1e-06 days

Transit Parameters
Crouzet et al. 2020
Rp/Rs
0.09532 ± 0.00093
a/Rs
6.43 +0.14 -0.14
i
83.45 +0.29 -0.29 deg
e
-
ω
- deg
DepthR*
10.06 mmag
Duration*
2.79 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Crouzet et al. 2020
Teff
6250.0 +100.0 -100.0 K
Log(g)
4.25 +0.02 -0.02 cm/s2
Fe/H
0.432 +0.057 -0.057 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 44 (7)
O-C -0.27 ± 0.21 minutes
ExoClock Observations (Recent) 16 (7)
Space Observations (Recent) 27 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.09334 ± 0.00022

XO-7b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
XO-7b (LOW)
2023-05-23
Pieter Vuylsteke
TheGardenToTheSkyFacility
TS ONTC 25cm f4.7
Zwo 2600mm / Clear / 30.0
-2.72 ± 2.02
XO-7b (LOW)
2023-05-23
jean paul vergne
CH9-gapra
Ritchey Chretien
zwo 294mm pro / Lum / 60.0
-7.47 ± 2.88
XO-7b (LOW)
2023-05-03
Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY
Newton T305
QSI 683WS / R / 120.0
-4.67 ± 2.45
XO-7b (LOW)
2023-03-19
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 30.0
-2.55 ± 3.6
XO-7b (LOW)
2022-12-08
Kevin Johnson
Holbrook Observatory
Meade LX10 EMC
Atik 383L+ / R / 90.0
-1.48 ± 2.16
XO-7b (LOW)
2022-10-29
Stefano Lora
MarSEC
Ritchey Chr├ętien
Moravian G2 Mark II / R / 90.0
2.7 ± 2.74
XO-7b (LOW)
2022-10-06
Ivo Peretto
MarSEC Marana Space Explorer Center
R-C
Moravia G2-1600 MkII / Clear / 60.0
-0.49 ± 1.73
XO-7b (LOW)
2022-05-10
Francesco di Biase
Cosmos
GSO RC12"
Moravian G2-4000 KAI4022 sensor / R / 60.0
0.88 ± 2.45
XO-7b (LOW)
2022-04-18
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / R / 120.0
-1.74 ± 1.15
XO-7b (LOW)
2022-04-18
Leon Bewersdorff
Observatory Kipshoven (BLEW)
GSO Ritchey-Chr├ętien
QHY268M-PH / V / 120.0
-5.34 ± 1.73
XO-7b (LOW)
2022-03-28
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 30.0
0.35 ± 1.87
XO-7b (LOW)
2022-03-06
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
FLI Kepler CMOS 4040 / R / 120.0
-1.4 ± 1.73
XO-7b (LOW)
2022-01-22
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 30.0
2.39 ± 3.31
XO-7b (LOW)
2022-01-04
David Wright
Yorick (private observatory)
10" Ritchey-Chretien
QSI 683WSG-8 / R / 90.0
1.98 ± 3.46
XO-7b (LOW)
2021-11-22
Robert Roth
TURMX Observatory
CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / rpr / 60.0
-0.27 ± 3.31
XO-7b (LOW)
2021-11-22
David Wright
Yorick (private observatory)
10" Ritchey-Chretien
QSI 683WSG-8 / R / 75.0
-1.86 ± 2.16

Space Observations

Planet
Observation Date
Mission O-C
minutes
XO-7b (LOW)
2021-07-22
TESS-0.91 ± 0.62
XO-7b (LOW)
2021-07-19
TESS0.31 ± 0.66
XO-7b (LOW)
2021-07-17
TESS1.33 ± 0.68
XO-7b (LOW)
2021-07-14
TESS-1.37 ± 0.68
XO-7b (LOW)
2021-07-11
TESS0.45 ± 0.79
XO-7b (LOW)
2021-07-08
TESS0.21 ± 0.75
XO-7b (LOW)
2021-07-05
TESS-1.56 ± 0.71
XO-7b (LOW)
2021-07-02
TESS2.06 ± 0.76
XO-7b (LOW)
2021-06-29
TESS-0.05 ± 0.78
XO-7b (LOW)
2021-06-27
TESS-0.07 ± 0.73
XO-7b (LOW)
2020-07-03
TESS0.15 ± 0.72
XO-7b (LOW)
2020-07-01
TESS-1.47 ± 0.76
XO-7b (LOW)
2020-06-28
TESS-0.2 ± 0.75
XO-7b (LOW)
2020-06-25
TESS-1.11 ± 0.79
XO-7b (LOW)
2020-06-19
TESS1.01 ± 0.81
XO-7b (LOW)
2020-06-16
TESS-0.54 ± 0.66
XO-7b (LOW)
2020-06-13
TESS0.17 ± 0.71
XO-7b (LOW)
2020-06-11
TESS-1.06 ± 0.75
XO-7b (LOW)
2020-06-08
TESS0.68 ± 0.73
XO-7b (LOW)
2020-06-05
TESS0.85 ± 0.75
XO-7b (LOW)
2020-06-02
TESS-0.43 ± 0.66
XO-7b (LOW)
2020-05-30
TESS0.39 ± 0.82
XO-7b (LOW)
2020-05-27
TESS0.47 ± 0.68
XO-7b (LOW)
2020-05-24
TESS0.42 ± 0.72
XO-7b (LOW)
2020-05-22
TESS0.01 ± 0.85
XO-7b (LOW)
2020-05-19
TESS1.05 ± 0.75
XO-7b (LOW)
2020-05-16
TESS0.46 ± 0.72

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2017-06-12 Crouzet et al. 2020 -0.25 ± 0.65
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