OGLE RR Lyrae Stars Database Query Page

Enter values or ranges (min, max) of parameters into the boxes below.

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Parameter Target: Choose OGLE observations region: LMC - Large Magellanic Cloud SMC - Small Magellanic Cloud BLG - Galactic bulge GD - Galactic diskField type/Main Target of observations ?
Parameter ID: e.g. OGLE-BLG-RRLYR-38259, OGLE-SMC-RRLYR-6610, OGLE-LMC-RRLYR-41204 May contain wildcards: '%' (or '*') for any sequence of characters, '_' (or '?') for any single character. It is possible to provide more that one value using comma eg., 'OGLE-BLG-RRLYR-08461, OGLE-SMC-RRLYR-0180, OGLE-LMC-RRLYR-40789'.Catalog designation ?
Star Type
  Parameter RA: RA format is: HH:MM:SS or H.HHHHH specify a range of values eg. 5:30:00 5:45:00 or a circle by giving the radius in arcsec, and providing RA and DEC eg. 5:12:31 r60 -69:12:31Right Ascension (J2000) ?
  Parameter Decl: DEC format is: ±DD:MM:SS or ±D.DDDDD specify a range of values eg. 5:30:00 5:45:00 or a circle by giving the radius in arcsec, and providing RA and DEC eg. 5:12:31 r60 -69:12:31Declination (J2000) ?
  Parameter I: typically between 12 and 19 magMean I-band magnitude ?
  Parameter V: typically between 13 and 22 magMean V-band magnitude ?
  Parameter V_I: this is difference between V and I columns typically between -1 and 3 mag(V-I) color ?
  Parameter P_1: in daysPeriod ?
  Uncertainty of the period
  Time of max. brightness (HJD-2450000)
  I-band amplitude
  Fourier coeff. R21
  Fourier coeff. φ21
  Fourier coeff. R31
  Fourier coeff. φ31
  Secondary period
  Uncertainty of the secondary period
  Time of max. brightness of the sec. periodicity
  I-band amplitude of the sec. periodicity
  Fourier coeff. R21 of the sec. periodicity
  Fourier coeff. φ21 of the sec. periodicity
  Fourier coeff. R31 of the sec. periodicity
  Fourier coeff. φ31 of the sec. periodicity
Parameter ID_OGLE_II: e.g. SMC_SC1_15170 OGLE-II field name joined with database star number using '_' May contain wildcards: '%' (or '*') for any sequence of characters, '_' (or '?') for any single character. It is possible to provide more that one value using comma eg., 'BUL_SC40_10149, SMC_SC1_6419'.Identification: OGLE-II ?
Parameter ID_OGLE_III: e.g. SMC138.5.4986 OGLE-III field name joined with database star number using '.' May contain wildcards: '%' (or '*') for any sequence of characters, '_' (or '?') for any single character. It is possible to provide more that one value using comma eg., 'BLG100.4.165462, SMC135.1.6128'.Identification: OGLE-III ?
Parameter ID_OGLE_IV: e.g. LMC678.14.53 OGLE-IV field name joined with database star number using '.' May contain wildcards: '%' (or '*') for any sequence of characters, '_' (or '?') for any single character. It is possible to provide more that one value using comma eg., 'LMC750.11.418, BLG510.16.34379, SMC714.29.7532'.Identification: OGLE-IV ?
Parameter ID_OTHER: e.g. SSS_J081041.4-720245 May contain wildcards: '%' (or '*') for any sequence of characters, '_' (or '?') for any single character. It is possible to provide more that one value using comma eg., '[CAG2000] vs8f190, AH Tuc, *Dor*'.Identification: OTHER ?
Parameter REMARKS: e.g. 'Blazhko' the string is auto-embedded in wildcards: '*string*' unless it contains user-supplied wildcard(s). Wildcards are: '%' (or '*') for any sequence of characters, '_' (or '?') for any single character. It is possible to provide more that one value using comma eg., 'switching, uncertain, secondary period, additional, possible, re-classified'.Remarks ?
For more information click on the ? signs near the field descriptions or consult opens seperate pop-up windowQuery Help.

Sort      Take input values for RA as degrees instead of hours. Also, display RA values in the results table in degrees.Use RA in degrees

Check Show boxes above for the parameters to display, objects per page, max of objects

Soszyński et al., 2014, Acta Astron., 64, 177 (RR Lyr stars in the Galactic bulge) paper overview
Soszyński et al., 2016, Acta Astron., 66, 131 (RR Lyr stars in the LMC and SMC) paper overview
Soszyński et al., 2019, Acta Astron., 69, 321 (RR Lyr stars in the Galactic Disk and Bulge) paper overview

Data in the OGLE RR Lyrae Stars database come from the On-line Data Download site for: LMC SMC BLG GD