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Title: The Changing Look Blazar B2 1420+32 
Authors: Mishra H.D., Dai X., Chen P., Cheng J., Jayasinghe T., Tucker M.A., 
    Vallely P.J., Bersier D., Bose S., Do A., Dong S., Holoien T.W.-S., 
    Huber M.E., Kochanek C.S., Liang E., Payne A.V., Prieto J., Shappee B.J., 
    Stanek K.Z., Bhatiani S., Cox J., DeFrancesco C., Shen Z., Thompson T.A., 
    Wang J.
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Description of contents: This tar.gz archive contains the 9 time-series spectra
    listed in Table 1 and displayed in Figure 4 of the accepted version of the
    manuscript listed above. The files included are as follows:

    No. Telescope        MJD            Format(s)  Filename
    1   SDSS             53472          ASCII/MRT  spec-1840-53472-0206_t1_SDSS.txt
    2   LTLT             58122          ASCII/MRT  spec_QSO142032-2458122-LT_LT_obsframe.txt
    3   2.4-m MDM        58123.93       ASCII/MRT  spec_QSO142032-2458123.93-2_4m_Hiltner_OSMOS.txt 
    4   2.16-m Xinglong  58124.35       ASCII/MRT  spec_QSO142032-2458124.35-Andor_Tech.txt
    5   2.4-m MDM        58220.86       ASCII/MRT  spec_QSO142032-2458220.86-2_4m_Hiltner_OSMOS.txt
    6   f-JD-Palomar     58347.70       1D FITS    QSO142032.0001.f.JD2458347.70261991.fit
    7   SNIFS            58637.43       ASCII/MRT  B2_1420+32-58637.4265-SNIFS-0.dat
    8   SNIFS            58664.39       ASCII/MRT  B2_1420+32-58664.3922-SNIFS-0.dat
    9   SNIFS            58677.36       ASCII/MRT  B2_1420+32-58677.3585-SNIFS-0.dat

System requirements: The files are included in their original, author-provided
    formats; the ASCII files were converted according to the machine
    readable format used by the AAS Journals and CDS/VizieR. Specific
    information on the structure of MRT files can be found at:

        AAS: https://journals.aas.org/mrt-overview/
        CDS: http://cds.u-strasbg.fr/doc/catstd.htx

    These files can be read in python using the astropy package:

        from astropy.table import Table
        data = Table.read("spec-1840-53472-0206_t1_SDSS.mrt", format="ascii.cds")

Additional comments: 

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