SDSS1335+0728: The awakening of a ∼106 M⊙ black hole

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Volume 688 (August 2024)

A&A, 688 (2024) A157

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Table 1.

Spectroscopic observations of SDSS1335+0728.

Instrument	MJD	Aperture	Seeing	Resolution (R)
SDSS	54156	3″	$1 \overset{″}{.} 64$ $1{{\overset{\prime\prime}{.}}}64$	1500 at 3800 Å, 2500 at 9000 Å
LAMOST	57155	$3 \overset{″}{.} 5$ $3{{\overset{\prime\prime}{.}}}5$	4″	1800 at 5500 Å

SOAR/Goodman	59396	1″	$1 \overset{″}{.} 5$ $1{{\overset{\prime\prime}{.}}}5$	∼1270
VLT/X-shooter	59789	$0 \overset{″}{.} 4$ $0{{\overset{\prime\prime}{.}}}4$ ( $0 \overset{″}{.} 5$ $0{{\overset{\prime\prime}{.}}}5$ UBV)	$0 \overset{″}{.} 7$ $0{{\overset{\prime\prime}{.}}}7$	9861 in the UBV arm and 18 340 in the VIS arm
Keck/LRIS	60137	$0 \overset{″}{.} 7$ $0{{\overset{\prime\prime}{.}}}7$ and $1 \overset{″}{.} 5$ $1{{\overset{\prime\prime}{.}}}5$	$0 \overset{″}{.} 45$ $0{{\overset{\prime\prime}{.}}}45$	3495 in the Blue grism and 8835 in the Red grating
SOAR/Goodman	60337	1″	$1 \overset{″}{.} 3$ $1{{\overset{\prime\prime}{.}}}3$	∼1270

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