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Old Q0957+561 data & software: 

Optical Monitoring

HST-STIS Spectra

Simple FORTRAN programs to apply the d2 test (accurate and robust time delay measurements)

 

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SDSS J1001+5027AB


    Spectrophotometric monitoring since 2013

FRODOSpec: lensed images within the FOV (January 6, 2014) and preliminary spectra at two different epochs  (November 7, 2013 & March 26, 2014)

 

 

SPRAT: preliminary spectra in 20152016

  New database for a sample of optically bright lensed quasars in the northern hemisphere (A&A)

Datasets:

Table 13: LT/FRODOSpec (red grating) spectra [3 epochs in 2013-2014]

Subtables: 13a, 13b, 13c

Observing dates (yyyymmdd): a = 20131107, b = 20140208, c = 20140326

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Columns
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Col. 1: lambda (Observed wavelength in Angstroms)
Col. 2: FA (Flux of SDSS J1001+5027A in 10-17 ergs cm-2 s-1 -1)
Col. 3: FB (Flux of SDSS J1001+5027B in 10-17 ergs cm-2 s-1 -1)
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Table 14: LT/SPRAT spectra [4 epochs in 2015-2016]

Subtables: 14a, 14b, 14c, 14d

Observing dates (yyyymmdd): a = 20150226, b = 20151202, c = 20160405, d = 20161206

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Columns
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Col. 1: lambda (Observed wavelength in Angstroms)
Col. 2: FA (Flux of SDSS J1001+5027A in 10-17 ergs cm-2 s-1 -1)
Col. 3: FB (Flux of SDSS J1001+5027B in 10-17 ergs cm-2 s-1 -1)
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