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B.R.N.O. - eclipsing binaries

MEDUZA - intrinsic variables

TRESCA - exoplanets

HERO - high energy objects

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> Pavol A. Dubovsky (AO Kolonica)

STAR
Coordinates RA DE:

Belong to project:	B.R.N.O. MEDUZA TRESCA HERO


> Light curve and airmass <

> Global light curve (MOOZ) <
> Close vicinity of the variable <

Photometric filter:	U B V R I Clear u v b y (Strömgren phot. system) other:

Photometric system:	instrumental standardní photometric system UBVRcIc

Notes:	CCD+R; exp 10s; Ziga binning 2x2 fullframe Ziga 508/3454 + MII G4-16000 + DPV Ensamble photometry with C-Munipack and MCV, MainComp = TYC 4417-1036-1, V=9.039, B-V=1.021(TYCHO-2) JD geocentric, V-C magnitudes ----- EBFit result: ----- TminGJD = 2457263.39043 Error (1 sigma): +0.00056/-0.00057 (Bootstrapping), +0.00026/-0.00028 (Prayer bead), +0.00014/-0.00014 (LSM) Error (95% CI): +0.00109/-0.00107 (Bootstrapping), +0.00035/-0.00047 (Prayer bead) LSM: chi^2 = 1952.7, n_freedom = 90 info O-C

First name and Surename:
Postal address:
E-mail:
Station:
Instrument:

GCVS:
star: TV UMi
RA2000:
DE2000:
type: EB
max: 8.77
min: 8.85
band: Hp
epoch:
year:
period:
M-m:
spectrum:

> B A C K
> All observations:

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Comment

object TV UMi

Ivan Sergey, 17. 3. 2022
Probably the period has changed by leaps and bounds (the main eclipse is deeper). The current formula for calculating the ephemeris is incorrect.

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