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Today is Wed May 1 0:35:06 CEST 2024JD 2460431.4410417
 

GEOS RR-Lyr database


Type star name:  
 


V516 Cas


 

GCVS data

GCVS number 180516
Variable star identification003521.75+525953.9

Coordinates:

RA/DEC (J2000.0) 8.840625 52.9983056 degrees
Proper motion (RA/DEC) 0.002 0.001 arc sec/year
Epoch of coordinates 2000
Reference for coordinates NPM

Variable star characteristics:

Type RR
magnitudes at max 14.1 , at min 15.2 (p)
Elements: 2400000 + 0 E
M-m 0 %
spectrum
reference for type [06319] G.Romano, Mem SAIt 42, 639, 1971
reference for finding chart [06319] G.Romano, Mem SAIt 42, 639, 1971


Elements

By default the database elements are used in O-C calculation. If several elements are available, the user may choose one of them. A form allows the user to enter his/her own elements. If they are given they become the current elements until the button "Reset to database elements" is pressed.

Elements avalable in database:
2452618.46 + 0.403913 E (Benko, Gabanyi, 2004)

  Origin Period Quad. term  
Type Elements:  
  Or
 

Current elements: 2452618.46 + 0.403913 E


4 maximums


Symbol colors: green: photographic; yellow: visual; red: photoelectric; bleu: ccd; no color: unknown

Plot O-C as function of HJD Cycle number

Toggle period shift ON OFF


  HJD   Unc.   O-C   E   period   Ref.   Observer   meth.   comments  
    (day)     shift  
  456642.4146      0.0015      0.031      -4941599      0      Hübscher, 2015      G. Maintz      ccd          
  456691.2865      0.0014      0.030      -4941478      0      Hübscher, 2015      G. Maintz      ccd          
  456917.4902      0.0015      0.042      -4940918      0      Hübscher, 2015      G. Maintz      ccd          
  456924.3564      0.0015      0.042      -4940901      0      Hübscher, 2015      G. Maintz      ccd          

No image Access to Simbad data

Lightcurve from AAVSO data
Enter JD of beginning and end of lightcurve and click on the " AAVSO lightcurve " button.
  No image



Today is Wed May 1 0:35:06 CEST 2024