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Table 2

Optical spectroscopy of PTF11mnb and its host-galaxy.

Date (UT) JD-2 455 000 Phasea Telescope Instrument Range
(days) (days) (Å)

SN spectra
07 Oct. 2011 841.98 +35.5 UH88 SNIFS 33019701
30 Oct. 2011 864.78 +57.0 P200 DBSP 300210 293
26 Nov. 2011 891.92 +82.6 Keck I LRIS 300110 297
21 Dec. 2011 916.68 +105.9 P200 DBSP 300110 296
27 Jan. 2012 953.50 +140.7 KPNO4m RC Spec 35758138

Host-galaxy spectrum
02 Sep. 2016 ... ... TNG DOLORES 318910 352

Notes.

(a)

Rest frame days from explosion.

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