OGLE Type II Cepheids - database search form

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

OGLE Target selection shortcuts:
     
   Show  Sort  Parameter  Use Value/Range Description

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-T2CEP-010, OGLE-SMC-T2CEP-43, OGLE-LMC-T2CEP-013, OGLE-GD-T2CEP-0147 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-T2CEP-0100, OGLE-GD-T2CEP-0100'.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 -69:12:31 (equinox J2000.0)Right 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 -69:12:31 (equinox J2000.0)Declination (J2000) ?
  Parameter I: Intensity mean I-band magnitude (typically between 12 and 19 mag)Mean I-band magnitude ?
  Parameter V: Intensity mean V-band magnitude (typically between 13 and 22 mag)Mean 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: Pulsation period (in days)Period ?
  Uncertainty of the period
  Time of max. brightness (HJD-2450000)
  Parameter A_1: I-band amplitude (maximum-minimum)I-band amplitude ?
  Parameter R21_1: one of the shape parameters for the light-curve phased with the period R21 = C2 / C1 where Ci are semi-amplitudes in fourier decompsition: I = C0 + Cicos[ω(T-T0) + φi]Fourier coeff. R21 ?
  Parameter phi21_1: one of the shape parameters for the light-curve phased with the period φ21 = φ2 - 2 φ1 where φi are phases in fourier decompsition: I = C0 + Cicos[ω(T-T0) + φi]Fourier coeff. φ21 ?
  Parameter R31_1: one of the shape parameters for the light-curve phased with the period R31 = C3 / C1 where Ci are semi-amplitudes in fourier decompsition: I = C0 + Cicos[ω(T-T0) + φi]Fourier coeff. R31 ?
  Parameter phi31_1: one of the shape parameters for the light-curve phased with the period φ31 = φ3 - 3 φ1 where φi are phases in fourier decompsition: I = C0 + Cicos[ω(T-T0) + φi]Fourier coeff. φ31 ?
Parameter ID_OGLE_II: e.g. SMC_SC8_209984 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_SC3_455680, LMC_SC14_200768'.Identification: OGLE-II ?
Parameter ID_OGLE_III: e.g. LMC119.5.79718 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., 'BLG231.3.95844, LMC111.1.9875, SMC106.5.8159'.Identification: OGLE-III ?
Parameter ID_OGLE_IV: e.g. BLG519.29.74034 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., 'GD2000.13.74, MBR241.03.705, LMC516.27.6839'.Identification: OGLE-IV ?
Parameter ID_OTHER: Other designation (from VSX or GCVS) e.g. V5601 Sgr 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., 'HV12509, */NGC1835, HV1586'.Identification: OTHER ?
Parameter REMARKS: e.g. 'RVb' 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., 'globular, eclipsing, uncertain, secondary period, amplitude, reclassified'.Remarks ?
For more information click on the ? signs near the field descriptions or consult opens seperate pop-up windowHelp.

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., 2017b, Acta Astron., 67, 297 (classical, type II, and anomalous Cepheids toward the Galactic Center) paper overview
Soszyński et al., 2018, Acta Astron., 68, 89 (type II Cepheids in the LMC and SMC) paper overview
Udalski et al., 2018, Acta Astron., 68, 315 (clasical and type II cepheids in Galactic disk and bulge) paper overview
Soszyński et al., 2020, Acta Astron., 70, 101 (additional classical, type II, and anomalous Cepheids toward the Galactic Disk and Center) paper overview

Data in the OGLE Type II Cepheids database come from the On-line Data Download site for: LMC SMC BLG GD