ExoClock

The Star
Simbad GAIA 2MASS	HAT-P-16 DR2 381592313648387200 J00381756+4227470
RA	00:38:17.5584		DEC	+42:27:47.216
Parallax 4.386 mas		P.M. RA -21.564 mas/y		P.M. DEC -4.588 mas/y
Mag_V 10.91	Mag_R^* 10.553	Mag_I^* 10.284	Mag_J 9.85	Mag_H 9.623	Mag_K 9.553
Mag_G 10.757		Mag_{G_BP} 11.053		Mag_{G_RP} 10.327
^*Calculated from GAIA magnitudes.

Ephemeris - Verified
Kokori et al. 2022
Mid-time 2457237.26396 ± 0.00013 BJD_TDB
Period 2.77596748 ± 2.1e-07 days
Transit Parameters
Buchhave et al. 2010
R_p/R_s 0.1071 ± 0.0014	a/R_s 7.2 +0.3 -0.3		i 86.6 +0.7 -0.7 deg
R_p/R_s 0.1071 ± 0.0014	e 0.036 +0.004 -0.004		ω 214.0 +8.0 -8.0 deg
Depth_R^* 14.45 mmag		Duration^* 3.07 hours
^Calculated from the other parameters, using PyLightcurve. ^*Adjusted based on the space observations.
Limb Darkening Parameters
Buchhave et al. 2010
T_eff 6158.0 +80.0 -80.0 K	Log(g) 4.34 +0.03 -0.03 cm/s²		Fe/H 0.17 +0.08 -0.08 dex

ExoClock Status
Observing Priority		LOW
Minimum aperture		5.0"
Total Observations (Recent)		48 (6)
O-C		0.45 ± 0.3 minutes
ExoClock Observations (Recent)		29 (6)
Space Observations (Recent)		7 (0)
ETD Observations (Recent)		0 (0)
Literature Mid-times (Recent)		12 (0)
Kepler R_p/R_s		-
TESS R_p/R_s		0.10785 ± 0.00041

Planet Observation Date	Observer Observatory	Telescope Camera / Filter / Exp [s]	O-C minutes
ExoClock Observations
HAT-P-16b (LOW) 2023-01-04	Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81)	Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 60.0	2.32 ± 1.87
HAT-P-16b (LOW) 2022-12-10	christian PANTACCHINI Observatoire de BENAYES	Skywhatcher Newton SBIG STF-8300M / V / 120.0	-0.0 ± 1.37
HAT-P-16b (LOW) 2022-10-21	Athanasios Douvris Athanasios Douvris	SW 254/1200 Atik 16 / V / 60.0	-5.19 ± 1.35
HAT-P-16b (LOW) 2022-10-16	Bryan Martin Tiger Butte Observatory	AG Optical IDK ZWO ASI 294 / AstrodonExoPlanet-BB / 45.0	1.68 ± 2.74
HAT-P-16b (LOW) 2022-10-08	Thomas Wocial Coppetts Observatory	Celestron C8 QHY183M / Clear / 30.0	-1.06 ± 1.43
HAT-P-16b (LOW) 2022-09-13	David Arnot OSO PIRATE	PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph FLI ProLine KAF-16803 / R / 35.0	0.43 ± 0.72
HAT-P-16b (LOW) 2021-12-17	Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81)	Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Clear / 120.0	5.36 ± 2.45
HAT-P-16b (LOW) 2021-12-17	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 90.0	-2.27 ± 1.15
HAT-P-16b (LOW) 2021-11-22	Manfred Raetz privat observatory Herges-Hallenberg	SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / R / 120.0	0.48 ± 0.58
HAT-P-16b (LOW) 2021-10-28	Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81)	Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 120.0	-0.23 ± 1.15
HAT-P-16b (LOW) 2021-10-14	Jean-Baptiste Marquette MrKite47	Newton Sky-Watcher 200/1000 ZWO ASI183MM Pro / R / 90.0	-3.49 ± 1.58
HAT-P-16b (LOW) 2021-10-03	David Wright Yorick (private observatory)	10" Ritchey-Chretien QSI 683WSG-8 / R / 60.0	4.53 ± 1.15
HAT-P-16b (LOW) 2021-10-03	Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81)	Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 120.0	2.66 ± 1.15
HAT-P-16b (LOW) 2021-10-03	Tõnis Eenmäe Tartu Observatory	Planewave CDK 12.5 Apogee Alta U42 / B / 120.0	2.66 ± 2.02
HAT-P-16b (LOW) 2021-10-01	Dominique DANIEL La Montjoie	Celestron CGX C8 XLT Camera CMOS ZWO ASI294MC pro (color) / Clear / 75.0	5.92 ± 2.3
HAT-P-16b (LOW) 2021-09-06	Kevin Johnson Holbrook Observatory	Meade LX10 EMC Atik 383L+ / Lum / 210.0	1.04 ± 2.3
HAT-P-16b (LOW) 2021-08-25	Didier Laloum Observatoire Privé du Mont (OPM)	RC 8 GSO Atik 383L+ / I / 120.0	2.0 ± 2.59
HAT-P-16b (LOW) 2020-10-07	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 60.0	0.03 ± 1.15
HAT-P-16b (LOW) 2020-09-12	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 120.0	-0.54 ± 0.72
HAT-P-16b (LOW) 2020-09-12	Mauro Caló Cavallino	RC SBIG ST10 / Lum / 40.0	-1.98 ± 1.3
HAT-P-16b (LOW) 2020-07-25	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0	0.92 ± 1.15
HAT-P-16b (LOW) 2020-07-25	Iakovos Strikis Elizabeth Observatory of Athens	Sky Watcher Quattro SBIG STF-8300mm / R / 30.0	-1.38 ± 1.3
HAT-P-16b (LOW) 2019-12-04	Martin Crow Burnham Observatory	Celestron C9.25 SX694 mono / R / 60.0	1.88 ± 1.58
HAT-P-16b (LOW) 2019-10-15	Mario Morales Aimar Observatorio de Sencelles MPC K14	Reflector 10" SBIG ST7-XME / V / 80.0	2.19 ± 1.15
HAT-P-16b (LOW) 2019-09-07	Martin Crow Burnham Observatory	Celestron C9.25 SX694 mono / R / 60.0	3.84 ± 1.73
HAT-P-16b (LOW) 2019-09-07	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / V / 120.0	2.4 ± 1.01
HAT-P-16b (LOW) 2016-09-24	Marc Deldem Les Barres Observatory	Celestron C8 SBIG ST8-XME / Clear / 60.0	-0.36 ± 1.44
HAT-P-16b (LOW) 2016-09-11	Ramon Naves Montcabrer	Meade LX200 12" ACF Moravian G4-9000 / rpr / 120.0	-0.87 ± 1.11
HAT-P-16b (LOW) 2015-01-28	Antonio Marino UAN c/o INAF-Osservatorio Astronomico di Capodimonte, Naples ITALY	SC11 CCD Atik 314L / Clear / 90.0	-1.35 ± 2.3
Space Observations
Planet Observation Date	Mission		O-C minutes
HAT-P-16b (LOW) 2019-10-29	TESS		0.27 ± 0.55
HAT-P-16b (LOW) 2019-10-26	TESS		-0.86 ± 0.59
HAT-P-16b (LOW) 2019-10-24	TESS		0.06 ± 0.56
HAT-P-16b (LOW) 2019-10-21	TESS		-1.67 ± 0.59
HAT-P-16b (LOW) 2019-10-15	TESS		-0.66 ± 0.59
HAT-P-16b (LOW) 2019-10-13	TESS		-0.2 ± 0.68
HAT-P-16b (LOW) 2019-10-10	TESS		-0.97 ± 0.55
Literature Mid-times
Planet Observation Date	Reference		O-C minutes
2017-01-19	Wang et al. 2021		-2.42 ± 1.44
2013-11-02	Turner et al. 2016		0.66 ± 0.86
2013-10-08	Sada et al. 2016		-1.98 ± 0.82
2012-12-29	Pearson et al. 2014		-0.69 ± 0.71
2012-10-04	Ciceri et al. 2013		0.66 ± 0.43
2012-10-04	Ciceri et al. 2013		0.22 ± 0.46
2012-09-20	Sada et al. 2016		1.35 ± 0.85
2011-11-28	Sada et al. 2016		1.48 ± 0.94
2011-08-23	Ciceri et al. 2013		0.33 ± 0.49
2010-10-30	Ciceri et al. 2013		0.08 ± 0.27
2010-10-02	Sada et al. 2016		-1.67 ± 0.68
2009-07-15	Buchhave et al. 2010		-0.21 ± 0.45

HAT-P-16b (LOW)

Discovered by: Buchhave et al. 2010

ExoClock Observations

Space Observations

Literature Mid-times