exoclock

WASP-84b (LOW)

Discovered by: Anderson et al. 2014

The Star
Simbad
GAIA
2MASS		 BD+02 2056
DR2 3078836109158636928
J08442570+0151361
RA 08:44:25.7032 DEC +01:51:36.106
Parallax
9.913 mas		 P.M. RA
-23.48 mas/y		 P.M. DEC
-31.653 mas/y
MagV
10.83		 MagR*
10.327		 MagI*
9.946		 MagJ
9.346		 MagH
8.956		 MagK
8.855
MagG
10.575		 MagGBP
11.019		 MagGRP
9.999
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2457172.55019 ± 0.0001 BJDTDB
Period
8.52349598 ± 6.2e-07 days
Transit Parameters
Anderson et al. 2014
Rp/Rs
0.1295 ± 0.0006		 a/Rs
22.19 +0.34 -0.34
 i
88.37 +0.05 -0.05 deg
e
-		 ω
- deg
DepthR*
19.93 mmag		 Duration*
2.75 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Anderson et al. 2014
Teff
5314.0 +88.0 -88.0 K
 Log(g)
4.4 +0.1 -0.1 cm/s2
 Fe/H
0.0 +0.1 -0.1 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 41 (5)
O-C 0.05 ± 0.28 minutes
ExoClock Observations (Recent) 34 (5)
Space Observations (Recent) 5 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 2 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.12758 ± 0.00045

WASP-84b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-84b (LOW)
2025-03-17		Cyrille Aumasson
observatory of Baronnies Provençales		CDK PLANEWAVE 17"
zwo asi 6200 / R / 120.0		4.5 ± 1.08
WASP-84b (LOW)
2025-03-17		Eric Miny
BSA NEW		NEWTON T305
Player One Poseidon / Lum / 20.0		1.51 ± 1.09
WASP-84b (LOW)
2025-02-03		Darryl Madison
Ajijic Observatory		Celestron CPC 800 Edge HD
ZWO2400MC / Clear / 60.0		1.93 ± 1.22
WASP-84b (LOW)
2025-01-17		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 45.0		-0.82 ± 0.36
WASP-84b (LOW)
2025-01-08		Lee YuHsien
KMSH Observatory		C14HD
QSI-660 / R / 30.0		2.98 ± 2.45
WASP-84b (LOW)
2024-03-07		Gerold Holtkamp
Private		Newtonian
QHY268M / Lum / 40.0		-0.76 ± 1.38
WASP-84b (LOW)
2024-03-07		Mark Salisbury
POST		Orion Optics ODK
SBIG ST-10 XME / R / 120.0		-0.95 ± 1.25
WASP-84b (LOW)
2024-03-07		Jacques Michelet
Claix		GSO Ritchey-Chrétien
Poseidon-M Pro / rpr / 60.0		-2.26 ± 1.4
WASP-84b (LOW)
2024-02-11		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 60.0		2.36 ± 1.02
WASP-84b (LOW)
2023-12-22		Andre Kovacs
Observatório Pico dos Dias (OPD)		0.6 m Boller & Chivens f/6.75
Andor iKon-L 936 CCD / I / 25.0		-0.38 ± 1.28
WASP-84b (LOW)
2023-12-22		David Quiles
David Quiles Observatory		Celestron EDGEHD 800
Omegon veTEC 571M / R / 120.0		-2.64 ± 1.41
WASP-84b (LOW)
2023-03-15		Marc Serrau
A77 Dauban		Celestron 11
QHY268 Mono / rpr / 180.0		2.09 ± 2.02
WASP-84b (LOW)
2023-03-15		Enrique Arce
Vallbona Observatory		Newton 10" f4
Sbig ST7-XME / Clear / 79.0		1.52 ± 2.88
WASP-84b (LOW)
2023-03-15		Tõnis Eenmäe
Tartu Observatory		Planewave CDK 12.5
Apogee Alta U42 / R / 40.0		-2.37 ± 1.17
WASP-84b (LOW)
2023-01-15		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 40.0		2.64 ± 0.82
WASP-84b (LOW)
2023-01-15		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 135.0		0.14 ± 0.45
WASP-84b (LOW)
2022-03-22		Kevin Johnson
Holbrook Observatory		Meade LX10 EMC
Atik 383L+ / R / 240.0		1.13 ± 1.73
WASP-84b (LOW)
2022-03-22		Marc Serrau
A77 Dauban		Celestron 11
ST8-XME / Clear / 60.0		-0.6 ± 1.87
WASP-84b (LOW)
2022-03-22		Yannic Delisle
Buthiers MPC199		TJMS Newton
SBIG ST-8300 / R / 30.0		-1.62 ± 0.95
WASP-84b (LOW)
2022-03-22		Martin Mifsud
Manikata Observatory		Meade OTA
SBig ST10XME / Lum / 60.0		-2.18 ± 1.3
WASP-84b (LOW)
2022-03-22		Ivo Peretto
MarSEC Marana Space Explorer Center		R-C
Moravia G2-1600 MkII / Clear / 90.0		-2.76 ± 3.6
WASP-84b (LOW)
2022-03-05		Pieter Vuylsteke
PieterVuylsteke		Refract
ZWO 2600mm mono ASP-C / Clear / 360.0		1.41 ± 0.43
WASP-84b (LOW)
2022-03-05		Sebastien Brouillard
AstroQueyras		RC500
STX16803 / R / 120.0		0.4 ± 0.72
WASP-84b (LOW)
2022-03-05		Jacques Michelet
Claix		GSO Ritchey-Chrétien
QSI-632 / R / 90.0		-1.76 ± 1.01
WASP-84b (LOW)
2022-03-05		Siegfried Vanaverbeke
astrolab IRIS observatory		Newtonian telescope
SBIG STL 6303E / V / 360.0		-2.34 ± 0.86
WASP-84b (LOW)
2022-03-05		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
FLI Kepler CMOS 4040 / R / 120.0		-4.79 ± 1.15
WASP-84b (LOW)
2022-02-08		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-5.24 ± 1.44
WASP-84b (LOW)
2022-01-22		Leon Bewersdorff
Planewave CDK24		Planewave CDK24
QHY600M-Pro / R / 30.0		-1.94 ± 0.58
WASP-84b (LOW)
2021-03-12		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / V / 60.0		2.57 ± 0.92
WASP-84b (LOW)
2021-02-23		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		0.57 ± 1.73
WASP-84b (LOW)
2021-02-23		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / I / 240.0		-2.31 ± 4.18
WASP-84b (LOW)
2021-01-12		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-1.7 ± 0.52
WASP-84b (LOW)
2020-11-22		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		3.82 ± 1.02
WASP-84b (LOW)
2019-03-27		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 60.0		-1.77 ± 0.86

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-84b (LOW)
2023-02-09		TESS0.6 ± 0.75
WASP-84b (LOW)
2023-01-23		TESS1.01 ± 0.73
WASP-84b (LOW)
2021-02-06		TESS0.62 ± 0.4
WASP-84b (LOW)
2021-01-29		TESS-0.61 ± 0.4
WASP-84b (LOW)
2021-01-20		TESS1.14 ± 0.36

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2013-06-04 Anderson et al. 2015 -0.02 ± 0.1
2012-12-24 Anderson et al. 2014 0.0 ± 0.13
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