Transit observations (TRESCA database)

Exoplanet:	WASP-18 b
observer:
Post address:
E-mail:
Station:
Geographic location:	east longitude: 290° \| north latitude: -23°
Instrument:
Photometric filter:	U B V R I Clear
Notes / conditions:	Data taken by Nancy Barraza, Farid Char and Juan Pablo Colque. Data reduction carried out by Eduardo Unda-Sanzana. We took images in groups of 10 exposures of 15 s each (dead time ~15 s too). Then we added the images using Starlink producing one combined image for every 10 exposures. Finally we carried out differential photometry on the combined images using two constant stars nearby. Transit length 128 minutes adopted to findout midtransit time.
Already published in:

S is standard deviation
DQ is data quality index, calculated by amplitude and S relation,
ro is data density per minute

Mid transit JDmid:
Mid transit HJDmid:	(helcor = 0.00028)
Mid transit - UTC:
Transit depth:	mag
Submitted data:	geocentric based on UTC

Identification chart:

Show in ETD


R_p:	1.106 +/- 0.065 R_Jup	1.395 _-0.492^+0.356 R_Jup
R_*:	1.216 +/- 0.06 R_Sun	fixed, errors included in i
A:	0.02026 +/- 0.00068 AU	fixed, errors included in i
Per:	0.94145254 days	fixed
i :	86 +/- 2.5 °	83.72 _-1.27\|4.38^+2.29\|6.28 °

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> Minima predictions <

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New minima in B.R.N.O.:

FI Boo (Uhlar M.)

PY Boo (Uhlar M.)

DD CrB (Sjoerd Dufoer)

BS UMa (Sjoerd Dufoer)

NSVS 967819 (Sjoerd Dufoer)

HAT131 (Sjoerd Dufoer)

GK Boo (Sjoerd Dufoer)

LINEAR 6244503 UMa (M. Magris)

ASASSN-V J091559.38+652745.0 UMa (M. Magris)

PW UMa (M. Magris)

New transits in TRESCA:

TOI-3976 A b (G. Muler)

HAT-P-3 b (G. Nieto)

TOI-3757 b (K. and)

WASP-113 b (G. Montardit)

WASP-184 b (Y. Jongen)

WASP-113 b (G. Nieto)

HAT-P-3 b (G. Muler)

TrES-1 b (J. Gallego)

TOI-1273 b (G. Nieto)

New data MEDUZA:

CCD:
P. Dubovský: NOVACas2021 Cas, Z And, V 1413 Aql, NSV16874 Aur, UV Aur,
: NOVACas2021 Cas,
P. Dubovský: NOVACas2021 Cas, OJ287 Cnc, T CrB, TX CVn,

VIZ:
P. Dubovský: BB Aur, NSV 16874 Aur, SS Aur, CR Boo, TT Boo, UZ Boo, Z Cam, AK Cnc, AT Cnc, EG Cnc, GY Cnc, OJ287 Cnc, SY Cnc, YZ Cnc, AL Com, T CrB, VW CrB, AB Dra, CP Dra, DM Dra,

Currently operating observers:
Observers on-line chat

Magpie observatory (FTP)
(Martin Bartošík)

STATUS: Active20:00 - 06:00

PROGRAM: V 709 Cas, main program - CV and transits of exoplanets

Observatorio Astronómico Giordano Bruno
(Fco- Manuel Santos Álamo)

STATUS: Active20:38 - 04:38

PROGRAM: De 20:00 a 02:30

Osservatorio Astronomico Citta di Seveso
(Pietro Aceti)

STATUS: Active12:30 - 10:45

PROGRAM:

Palidoro
(Giuseppe Conzo)

STATUS: Active10:47 - 18:47

PROGRAM: