exoclock

55Cnce (HIGH)

Discovered by: McArthur et al. 2004

The Star
Simbad
GAIA
2MASS		 * rho01 Cnc
DR2 704967037090946688
J08523579+2819509
RA 08:52:35.8113 DEC +28:19:50.956
Parallax
79.427 mas		 P.M. RA
-485.872 mas/y		 P.M. DEC
-233.651 mas/y
MagV
5.96		 MagR
5.4		 MagI*
5.083		 MagJ
4.768		 MagH
4.265		 MagK
4.015
MagG
5.714		 MagGBP
6.171		 MagGRP
5.158
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459554.20747 ± 0.0001 BJDTDB
Period
0.73654635 ± 1.4e-07 days
Transit Parameters
Sulis et al. 2019
Rp/Rs
0.0187 ± 0.0004		 a/Rs
3.47 +0.07 -0.07
 i
83.6 +0.6 -0.6 deg
e
-		 ω
- deg
DepthR*
0.45 mmag		 Duration*
1.56 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Demory et al. 2011
Teff
5234.0 +30.0 -30.0 K
 Log(g)
4.45 +0.08 -0.08 cm/s2
 Fe/H
0.31 +0.04 -0.04 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 71.29"
Total Observations (Recent) 120 (0)
O-C -
ExoClock Observations (Recent) 1 (0)
Space Observations (Recent) 118 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.018244 ± 8.5e-05

55Cnce


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
55Cnce (HIGH)
2020-10-11		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / R / 20.0		-1.45 ± 3.6

Space Observations
Planet
Observation Date		 Mission O-C
minutes
55Cnce (HIGH)
2023-12-06		TESS-1.44 ± 0.98
55Cnce (HIGH)
2023-12-05		TESS1.29 ± 1.07
55Cnce (HIGH)
2023-12-04		TESS-0.76 ± 0.82
55Cnce (HIGH)
2023-12-04		TESS1.15 ± 0.95
55Cnce (HIGH)
2023-12-03		TESS-0.9 ± 1.01
55Cnce (HIGH)
2023-12-02		TESS-0.95 ± 0.99
55Cnce (HIGH)
2023-12-01		TESS1.24 ± 0.96
55Cnce (HIGH)
2023-12-01		TESS-0.47 ± 1.58
55Cnce (HIGH)
2023-11-30		TESS2.62 ± 1.87
55Cnce (HIGH)
2023-11-29		TESS2.11 ± 2.02
55Cnce (HIGH)
2023-11-28		TESS-3.23 ± 1.38
55Cnce (HIGH)
2023-11-28		TESS-0.92 ± 1.09
55Cnce (HIGH)
2023-11-27		TESS1.29 ± 0.68
55Cnce (HIGH)
2023-11-23		TESS-4.26 ± 3.31
55Cnce (HIGH)
2023-11-23		TESS1.82 ± 1.43
55Cnce (HIGH)
2023-11-22		TESS1.2 ± 1.73
55Cnce (HIGH)
2023-11-21		TESS1.08 ± 1.27
55Cnce (HIGH)
2023-11-20		TESS-3.58 ± 1.41
55Cnce (HIGH)
2023-11-20		TESS2.71 ± 1.28
55Cnce (HIGH)
2023-11-19		TESS-2.01 ± 1.43
55Cnce (HIGH)
2023-11-18		TESS-0.23 ± 0.98
55Cnce (HIGH)
2023-11-17		TESS-1.94 ± 3.46
55Cnce (HIGH)
2023-11-16		TESS1.37 ± 1.17
55Cnce (HIGH)
2023-11-15		TESS0.07 ± 1.58
55Cnce (HIGH)
2023-11-14		TESS3.02 ± 4.32
55Cnce (HIGH)
2023-11-14		TESS0.42 ± 0.86
55Cnce (HIGH)
2021-12-30		TESS-0.92 ± 1.4
55Cnce (HIGH)
2021-12-29		TESS1.08 ± 1.58
55Cnce (HIGH)
2021-12-28		TESS-3.42 ± 1.2
55Cnce (HIGH)
2021-12-27		TESS-3.4 ± 3.17
55Cnce (HIGH)
2021-12-27		TESS-0.94 ± 1.07
55Cnce (HIGH)
2021-12-26		TESS1.69 ± 1.25
55Cnce (HIGH)
2021-12-25		TESS-0.29 ± 0.71
55Cnce (HIGH)
2021-12-24		TESS2.63 ± 2.02
55Cnce (HIGH)
2021-12-24		TESS-1.34 ± 1.58
55Cnce (HIGH)
2021-12-23		TESS-0.9 ± 1.43
55Cnce (HIGH)
2021-12-22		TESS-3.51 ± 2.3
55Cnce (HIGH)
2021-12-21		TESS-0.33 ± 0.85
55Cnce (HIGH)
2021-12-21		TESS-0.81 ± 0.63
55Cnce (HIGH)
2021-12-20		TESS1.83 ± 1.01
55Cnce (HIGH)
2021-12-19		TESS0.95 ± 1.2
55Cnce (HIGH)
2021-12-18		TESS0.25 ± 1.01
55Cnce (HIGH)
2021-12-16		TESS0.58 ± 0.94
55Cnce (HIGH)
2021-12-15		TESS-0.06 ± 0.92
55Cnce (HIGH)
2021-12-14		TESS-0.84 ± 1.35
55Cnce (HIGH)
2021-12-13		TESS-0.69 ± 0.78
55Cnce (HIGH)
2021-12-13		TESS-1.92 ± 2.02
55Cnce (HIGH)
2021-12-12		TESS-0.23 ± 0.76
55Cnce (HIGH)
2021-12-11		TESS0.26 ± 0.73
55Cnce (HIGH)
2021-12-10		TESS-0.42 ± 1.58
55Cnce (HIGH)
2021-12-10		TESS1.96 ± 0.71
55Cnce (HIGH)
2021-12-09		TESS0.69 ± 1.25
55Cnce (HIGH)
2021-12-08		TESS-0.68 ± 1.31
55Cnce (HIGH)
2021-12-07		TESS-4.33 ± 2.59
55Cnce (HIGH)
2021-12-07		TESS-0.15 ± 1.31
55Cnce (HIGH)
2021-12-06		TESS0.88 ± 1.01
55Cnce (HIGH)
2021-12-05		TESS0.03 ± 1.2
55Cnce (HIGH)
2021-12-04		TESS-1.33 ± 2.74
55Cnce (HIGH)
2021-11-05		TESS-0.65 ± 1.34
55Cnce (HIGH)
2021-11-04		TESS-0.61 ± 0.86
55Cnce (HIGH)
2021-11-04		TESS1.11 ± 1.17
55Cnce (HIGH)
2021-11-03		TESS1.5 ± 1.17
55Cnce (HIGH)
2021-11-02		TESS-0.09 ± 0.84
55Cnce (HIGH)
2021-11-01		TESS0.9 ± 0.78
55Cnce (HIGH)
2021-11-01		TESS-0.12 ± 1.41
55Cnce (HIGH)
2021-10-31		TESS0.81 ± 0.62
55Cnce (HIGH)
2021-10-30		TESS0.04 ± 0.98
55Cnce (HIGH)
2021-10-29		TESS-2.67 ± 0.79
55Cnce (HIGH)
2021-10-29		TESS0.5 ± 1.24
55Cnce (HIGH)
2021-10-28		TESS-0.17 ± 1.43
55Cnce (HIGH)
2021-10-27		TESS0.31 ± 0.59
55Cnce (HIGH)
2021-10-23		TESS0.4 ± 1.4
55Cnce (HIGH)
2021-10-23		TESS1.4 ± 0.82
55Cnce (HIGH)
2021-10-22		TESS3.75 ± 1.4
55Cnce (HIGH)
2021-10-21		TESS0.5 ± 1.27
55Cnce (HIGH)
2021-10-21		TESS0.08 ± 0.69
55Cnce (HIGH)
2021-10-20		TESS0.5 ± 1.14
55Cnce (HIGH)
2021-10-19		TESS0.43 ± 1.73
55Cnce (HIGH)
2021-10-18		TESS-3.67 ± 0.58
55Cnce (HIGH)
2021-10-18		TESS0.78 ± 1.08
55Cnce (HIGH)
2021-10-17		TESS-0.05 ± 0.89
55Cnce (HIGH)
2021-10-16		TESS1.31 ± 0.86
55Cnce (HIGH)
2021-10-15		TESS1.48 ± 1.34
55Cnce (HIGH)
2021-10-15		TESS-1.36 ± 0.92
55Cnce (HIGH)
2021-10-14		TESS1.14 ± 1.04
55Cnce (HIGH)
2021-10-13		TESS1.15 ± 0.92
55Cnce (HIGH)
2020-02-17		TESS-1.19 ± 1.58
55Cnce (HIGH)
2020-02-16		TESS-2.71 ± 1.87
55Cnce (HIGH)
2020-02-16		TESS1.51 ± 0.99
55Cnce (HIGH)
2020-02-15		TESS-0.56 ± 1.58
55Cnce (HIGH)
2020-02-14		TESS0.37 ± 1.44
55Cnce (HIGH)
2020-02-14		TESS-0.05 ± 1.01
55Cnce (HIGH)
2020-02-13		TESS-0.16 ± 1.25
55Cnce (HIGH)
2020-02-12		TESS2.22 ± 1.32
55Cnce (HIGH)
2020-02-11		TESS0.37 ± 0.89
55Cnce (HIGH)
2020-02-11		TESS-0.43 ± 1.3
55Cnce (HIGH)
2020-02-10		TESS-1.1 ± 2.3
55Cnce (HIGH)
2020-02-09		TESS-3.33 ± 2.02
55Cnce (HIGH)
2020-02-08		TESS0.48 ± 2.59
55Cnce (HIGH)
2020-02-08		TESS-2.19 ± 1.87
55Cnce (HIGH)
2020-02-03		TESS1.66 ± 2.59
55Cnce (HIGH)
2020-02-02		TESS-1.94 ± 1.25
55Cnce (HIGH)
2020-02-02		TESS-1.24 ± 1.43
55Cnce (HIGH)
2020-02-01		TESS0.86 ± 2.3
55Cnce (HIGH)
2020-01-31		TESS0.63 ± 2.59
55Cnce (HIGH)
2020-01-31		TESS0.99 ± 1.58
55Cnce (HIGH)
2020-01-30		TESS1.78 ± 3.31
55Cnce (HIGH)
2020-01-29		TESS0.14 ± 1.18
55Cnce (HIGH)
2020-01-28		TESS-0.05 ± 1.17
55Cnce (HIGH)
2020-01-28		TESS8.31 ± 8.93
55Cnce (HIGH)
2020-01-27		TESS-0.55 ± 2.16
55Cnce (HIGH)
2020-01-26		TESS1.39 ± 1.73
55Cnce (HIGH)
2020-01-25		TESS2.23 ± 1.43
55Cnce (HIGH)
2020-01-25		TESS1.67 ± 1.44
55Cnce (HIGH)
2020-01-24		TESS2.17 ± 1.87
55Cnce (HIGH)
2020-01-23		TESS2.25 ± 1.05
55Cnce (HIGH)
2020-01-22		TESS-4.33 ± 3.31
55Cnce (HIGH)
2020-01-22		TESS-5.09 ± 0.95

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2011-02-14 Winn et al. 2011 1.17 ± 1.25
© 2019-2025 ExoClock Project - Privacy policy - Contact: exoclockproject@gmail.com
The ExoClock Project is managed by the PULSAR Non-profit Civil Law Company / Address: Pipsou 18A, 54627 Thessaloniki, Greece / VAT: EL996400186 / Tax Office: E Thessaloniki