> Kamenec Matúš (Prešov)

STAR
Coordinates RA DE:

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

> Light curve and airmass <

#	time	model	output	results
1	2459745.39822 - 2459745.53361	ASCII	ASCII	ASCII
2	2459745.3733 - 2459745.54886	ASCII	ASCII	ASCII

> Global light curve (MOOZ) <

> Close vicinity of the variable <

> Show source data <

JD format:

geocentric heliocentric

date:

14.6.2022 20:36-1:11 UT

Photometric filter:

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

Photometric system:

instrumental standardní photometric system UBVRcIc

Notes:

SkyWatcher REF 102/500
#Observatory>Presov
#Observer>Matus Kamenec
#Telescope>SkyWatcher 102/500 / EQ3-2 GoTo
#Instrument>Canon EOS 500D
#Filter>V (G-channel converted)
#Exposure>30s ISO 400
#Target>TV UMi
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>Muniwin
#Comment>no calibration frames applied

----- EBFit result: -----
TminGJD = 2459745.45829
Error (1 sigma): +0.00145/-0.00306 (Bootstrapping), +0.00183/-0.00451 (Prayer bead), +0.00063/-0.00063 (LSM)
Error (95% CI): +0.00306/-0.00515 (Bootstrapping), +0.00509/-0.00756 (Prayer bead)
LSM: chi^2 = 1154.2, n_freedom = 248

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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