This list is NOT A PUBLICATION of observed minimas. It only shows activity of cooperating observers of eclipsing binaries.

B.R.N.O. times of minima are periodicaly published in Open Europen Journal on Variable stars and then data are displayed in O-C gateway.

Administrators of BRNO project:

Mgr. Kateřina Hoňková, Ing. Jakub Juryšek nadseni.promenari@astronomie.cz

NEW Instruction for inserting minima to BRNO database

For non-Czech observers, written in English. Please, keep in mind this instruction. Instruction for BRNO protocols

protocol number of the minim in B.R.N.O. database 26261
Name and Surename:
Post address:
E-mail:
Station:
Instrument:
Note / conditions:	# NAME EL CVn # VAR 13:23:57.02 +43:35:55.4 2448331.77800 0.795629 9.42-9.59V EA (VSX 20120328) # OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7) # FLT Rc # RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz # NOTE 22/23 IV 2015; R_345_30s (290/167); 3.6h; minimum P # NOTE 2457135.38553 +/- 0.00026; 20150422 21:15:10 (UT) GEO # COND clear weather ----- EBFit result: ----- Tmin = 2457135.38601 Error (1 sigma): +0.00034/-0.00033 (Bootstrapping), +0.00188/-0.00267 (Prayer bead), +0.00026/-0.00026 (LSM) Error (95% CI): +0.00067/-0.00063 (Bootstrapping), +0.00303/-0.00751 (Prayer bead) LSM: chi^2 = 748.6, n_freedom = 285

STAR	JD_geoc	ERROR	P/S	FILTR	METHOD

Alternative object and coordinates input ...
Coordinates			RRRR-MM-DD HH:mm:ss
		-- ::
Computed ...
JD_hel		Heliocentric correction

STAR - Variable name
JD_geoc - Geocentric time of minimum
ERROR - time of minimum uncertainity
P/S - Primary or secondary minimum
METODA - method of observation (CCD, visual, ...)

Coordinates - type coordinates RA(2000), DE(2000) in format:
011241.11 +551259.5 REQUIRED FOR OBJECTS WITHOUT GCVS NAME!
YYYY-MM-DD HH:mm:ss - time of minumum in UT if JD_geoc is unknown

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Comment

object EL CVn

Martin Lehky, 4. 6. 2012
Duration of primary eclipse DI = 0.08d (1.9h) and duration of totality in primary eclipse dI = 0.07d (1.7h), amplitude Rc = 0.08 mag. Duration of secondary eclipse DII = 0.08d (1.9h) and duration of totality in secondary eclipse dII = about 0.06d (1.4h):, amplitude Rc = 0.04 mag. The shape of the ligtcurve looks like transit of big exoplanet:-)
Martin Lehky, 4. 6. 2012
Primary minimum 2456014.35129 (Hel) occurs about 0.48 hours earlier than predicted (for elements 2448331.778 + 0.795629 * E)

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> Exoplanet transits <

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

DY CVn (Tommaso Dittadi)

DY CVn (Massimo Banfi, Liceo Iris Versari)

TYC 3119-2275-1 (Andre Kovacs, Erika Pakštienė)

ATO J266.91514+30.1469 Her (Lomoz F.)

CRTS J174927.6+294717 Her (Lomoz F.)

CRTS J174743.7+301026 Her (Lomoz F.)

ATO J267.3441+29.7698 Her (Lomoz F.)

CRTS J174914.9+294640 Her (Lomoz F.)

New transits in TRESCA:

WASP-87 b (Y. Jongen)

HAT-P-3 b (A. Kovacs, E. Pakštienė)

Kepler-422 b (Y. Jongen)

WASP-19 b (Y. Jongen)

TOI-1298 b (Y. Jongen)

HATS-23 b (Y. Jongen)

HAT-P-22 b (A. Kovacs, E. Pakštienė)

WASP-92 b (C. Lopresti)

KPS-1 b (C. Lopresti)

TOI 2582.01 b (C. Lopresti)

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: WY And, Z And, Eta Aql, TT Boo, SY Cam, NOVACas2021 Cas, Rho Cas, UY Cas, VY Cas, Delta Cep, TZ Cep, V 730 Cep, T CrB, BF Cyg, CH Cyg, CI Cyg, EM Cyg, P Cyg, Q Cyg, SS Cyg,

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:

List of observed minimas

NEW Instruction for inserting minima to BRNO database

Comment

object EL CVn

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