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Table 2

Log of the time-resolved spectroscopic observations of SDSS J080434.20+510349.2.

Date HJD start + Exp. time Duration
2 454 000 num. of integrations

Spectroscopy
2008-02-06 502.634 490 s × 41 8.3 h
2008-02-07 503.626 490 s × 53 8.0 h

2008-03-10 535.658 490 s × 40 5.8 h
2008-03-11 536.648 490 s × 39 5.9 h
2008-03-12 537.641 490 s × 40 6.1 h

2009-01-24 855.738 483 s × 32 5.3 h
2009-01-25 856.674 483 s × 40 6.3 h
2009-01-26 857.630 483 s × 40 6.1 h
2009-01-27 858.646 483 s × 46 6.9 h

2012-01-25 1952.670 500 s × 52 7.9 h
2012-01-26 1953.641 500 s × 57 8.0 h

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