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Today is Mon May 6 10:03:00 CEST 2024JD 2460436.8354167
 

GEOS RR-Lyr database

Type star name:  
 

DM And

 

GCVS data
GCVS number 10135
Variable star identification233200.71+351148.5

Coordinates:

RA/DEC (J2000.0) 353.002959 35.1968056 degrees
Proper motion (RA/DEC) 0 0 arc sec/year
Epoch of coordinates 1982.799
Reference for coordinates GSC

Variable star characteristics:

Type RRAB
magnitudes at max 12.4 , at min 13.2 (p)
Elements: 2453320.357 + 0.630387 E
M-m 28 %
spectrum
reference for type [00001] GCVS compilers
reference for finding chart [00558] T.S.Meshkova, Perem Zvezdy 5, 304, 1940

Cross identification

GSC 2773.00253
SVS 0945

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:

2435717.431 + 0.630389 E (GCVS (Kholopov et al.; 1988-2006))
2454749.508 + 0.630414 E (J.F. Le Borgne 2010, private com)
2453320.357 + 0.630387 E (GCVS (Samus et al.; 2011))

  Origin Period Quad. term  
Type Elements:  
  Or
 

Current elements: 2435717.431 + 0.630389 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  
  456559.4202      0.0021      -0.053      -3139582      0      J.F. Le Borgne, 2015, pr. com.      M. Nobile      ccd      C filter     
  457255.4301      0.002      0.007      -3138478      0      J.F. Le Borgne, 2015, pr. com.      M. Audejean      ccd      V filter     
  457289.4612      0.0011      -0.003      -3138424      0      J.F. Le Borgne, 2015, pr. com.      M. Audejean      ccd      V filter     
  457308.3708      0.0012      -0.005      -3138394      0      J.F. Le Borgne, 2015, pr. com.      M. Audejean      ccd      V filter     

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 Mon May 6 10:03:00 CEST 2024