> Urbaník M. (Kysucká hvezdáreň )

STAR
Coordinates RA DE:
 
Belong to project: B.R.N.O.   MEDUZA   TRESCA   HERO
 

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JD format: geocentric  heliocentric
 
date: 14.2.2021 23:13-3:20 UT
 
 
Photometric filter: Clear
y  (Strömgren phot. system)
other:  
 
Photometric system: instrumental   standardní photometric system UBVRcIc
 
Notes: CCD+I,exp.32 s,comp. UCAC4-816-020019,2x2.
info
 

 
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:

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Comment

object TV UMi

  1. 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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