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Table 3

Journal of spectroscopic observations of V1280 Sco.

Date JD Range Resolution Exp. Observatory Phase Remarks
UT 2 400 000+ Å Å s
2007
Feb. 5.87 54 137.37 4100-6760 4.7 900 NHAO initial rising Fig. 4†
Feb. 12.88 54 144.38 3750-8250 10 540 FBO pre-maximum halt Fig. 5
Feb. 14.83 54 146.33 3750-8250 10 900 FBO pre-maximum rising
Feb. 14.86 54 146.36 4160-6820 4.7 600 NHAO pre-maximum rising Fig. 5
Feb. 15.86 54 147.36 3750-8250 10 1380 FBO peak fluctuations Fig. 5
Feb. 16.80 54 148.30 4160-6820 4.7 600 NHAO peak fluctuations †
Feb. 18.85 54 150.35 3750-8250 10 600 FBO peak fluctuations Fig. 5
Feb. 19.84 54 151.34 4160-6820 4.7 300 NHAO Fig. 7 ∗ 
Feb. 19.84 54 151.34 3750-8250 10 1000 FBO
Feb. 20.84 54 152.34 3750-8250 10 470 FBO
Feb. 21.82 54 153.32 4160-6820 4.7 600 NHAO Fig. 8 ∗ 
Feb. 25.83 54 157.33 4160-6820 4.7 300 NHAO
Feb. 25.86 54 157.36 3750-8250 10 144 FBO
Feb. 27.84 54 159.34 3750-8250 10 120 FBO dust phase
Feb. 28.81 54 160.31 4160-6820 4.7 300 NHAO dust phase Fig. 9
Mar. 6.85 54 166.35 3750-8250 10 1440 FBO dust phase
Mar. 7.80 54 167.30 4160-6820 4.7 1800 NHAO dust phase
Mar. 8.85 54 168.35 3750-8250 10 1440 FBO dust phase
Mar. 16.82 54 176.32 3750-8250 10 1800 FBO dust phase
Mar. 21.82 54 181.32 4160-6820 4.7 1800 NHAO dust phase
Mar. 25.80 54 185.30 4160-6820 4.7 2400 NHAO dust phase Fig. 10 ∗ 
Apr. 11.82 54 202.32 4160-6820 4.7 2400 NHAO dust phase
May 2.78 54 223.28 4160-6820 4.7 4800 NHAO dust phase
May 7.74 54 228.24 4160-6820 4.7 5400 NHAO dust phase
May 20.69 54 241.19 4160-6820 4.7 3600 NHAO dust phase (re-brightening) Fig. 11
May 26.72 54 247.22 4160-6820 4.7 3600 NHAO dust phase (re-brightening)
Jun. 4.64 54 256.14 4160-6820 4.7 3600 NHAO dust phase
Jun. 10.63 54 262.13 4160-6820 4.7 1800 NHAO dust phase
2008
Feb. 7.86 54 504.36 3750-8250 10 2880 FBO plateau
Feb. 18.87 54 515.37 4160-6820 4.7 2400 NHAO plateau
Feb. 27.78 54 524.28 3750-8250 10 720 FBO plateau
Jun. 9.67 54 627.17 4160-6820 4.7 3600 NHAO plateau
Jul. 8.58 54 656.08 4160-6820 4.7 2400 NHAO plateau
Jul. 30.57 54 678.07 4160-6820 4.7 1800 NHAO plateau
Sep. 8.44 54 717.94 4160-6820 4.7 1800 NHAO plateau †
Sep. 9.43 54 718.93 4160-6820 4.7 1800 NHAO plateau Fig. 12 ∗ 
2009
Apr. 10.80 54 932.30 3900-8200 5 1800 BAO plateau Fig. 13
May 9.52 54 961.02 4130-6860 0.1 900 Subaru plateau
Jun. 15.52 54 998.02 4130-6860 0.1 600 Subaru plateau
Jun. 16.50 54 999.00 4130-6860 0.1 900 Subaru plateau
Jun. 26.55 55 009.05 4000-8000 10 900 GAO plateau
Jul. 4.46 55 016.96 4130-6860 0.1 900 Subaru plateau
Jul. 6.40 55 018.90 4130-6860 0.1 1200 Subaru plateau
Sep. 10.44 55 084.94 4000-8000 10 480 GAO plateau
Sep. 16.42 55 090.92 4000-8000 10 1260 GAO plateau
2010
Mar. 11.80 55 267.30 4120-9680 10 600 HHAO plateau
Mar. 12.80 55 268.30 4000-8000 10 1260 GAO plateau Fig. 13
Apr. 17.70 55 304.20 4130-9690 10 900 HHAO plateau
Jun. 24.60 55 372.10 4000-8000 10 600 GAO plateau
Jul. 1.40 55 378.90 4130-6860 0.1 600 Subaru plateau
Jul. 19.53 55 397.03 3700-7500 10 1500 KAO plateau Fig. 13
Aug. 1.51 55 410.01 4100-9640 10 900 HHAO plateau Fig. 13
2011
Mar. 17.64 55 638.14 4130-6860 0.1 600 Subaru plateau Fig. 14
Apr. 11.14 55 662.64 4470-6890 5 600 Asiago plateau Fig. 13
Jun. 12.44 55 724.94 4130-6860 0.1 600 Subaru plateau Fig. 14
Jul. 24.28 55 766.78 4130-6860 0.1 600 Subaru plateau Fig. 14

Notes. UT: Universal time at start of exposure.  ∗  Spectra are shown in the online material. † Data without the flux calibration because of a poor weather condition or missing y-band observation.

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