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Table 4

HPOL observation information for V444 Cyg.

Date Observatory Detector Midpoint HJD Phasea
1989 Oct. 03 PBO Reticon 2 447 802.15 0.790
1990 Jul. 24 PBO Reticon 2 448 096.26 0.583
1990 Oct. 23 PBO Reticon 2 448 187.15 0.185
1990 Oct. 24 PBO Reticon 2 448 188.10 0.363
1991 Aug. 21 PBO Reticon 2 448 489.20 0.878
1991 Aug. 31 PBO Reticon 2 448 499.31 0.252
1991 Oct. 10 PBO Reticon 2 448 539.21 0.747
1991 Nov. 17 PBO Reticon 2 448 577.11 0.708
1994 Jun. 15 PBO Reticon 2 449 518.36 0.153
1994 Jul. 03 PBO Reticon 2 449 536.35 0.426
1994 Aug. 16 PBO Reticon 2 449 580.19 0.872
1994 Oct. 06 PBO Reticon 2 449 631.23 0.978
1994 Nov. 12 PBO Reticon 2 449 668.12 0.702
1994 Dec. 01 PBO Reticon 2 449 687.12 0.212
2012 May 11b Ritter CCD 2 456 058.87 0.810
2012 Jul. 13b Ritter CCD 2 456 121.83 0.767
2012 Jul. 14b Ritter CCD 2 456 122.87 0.004
2012 Oct. 22 Ritter CCD 2 456 222.58 0.684
2012 Oct. 26b Ritter CCD 2 456 226.69 0.692
2012 Dec. 14b Ritter CCD 2 456 275.55 0.265

Notes.

(a)

Phases were calculated using the ephemeris in Eriş & Ekmekçi (2011).

(b)

These observations used only the blue grating (3200−6000 Å). All other HPOL observations are full spectrum for their respective detectors.

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