Unveiling large-scale rotational motions in the intragroup medium at z ∼ 1 through gravitational-arc tomography

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Table 1.

Census of extragalactic sources at z > 1.16.

Object	`MARZ` classification	z^a	Lines	RA^b	Dec^b	θ^b,c	Mg II at
			used	(J2000)	(J2000)	[″]	z_abs ≃ 1.17?
Group galaxies at z ≃ 1.17:
G1	Late type emission galaxy	1.1672(3)	[O II]	0^h 33^m $41 \overset{s}{.} 10$ $Mathematical equation: $ 41{{\overset{\text{ s}}{.}}}10 $$	+2° 42′ $5 \overset{″}{.} 6$ $Mathematical equation: $ 5{{\overset{\prime\prime}{.}}}6 $$	0.0	Yes^d
G2	Star-forming galaxy	1.1674(0)	[O II]	0^h 33^m $41 \overset{s}{.} 61$ $Mathematical equation: $ 41{{\overset{\text{ s}}{.}}}61 $$	+2° 42′ $12 \overset{″}{.} 7$ $Mathematical equation: $ 12{{\overset{\prime\prime}{.}}}7 $$	10.43	Yes^d
G3	Late type emission galaxy	1.1649(9)	[O II]	0^h 33^m $40 \overset{s}{.} 40$ $Mathematical equation: $ 40{{\overset{\text{ s}}{.}}}40 $$	+2° 42′ $9 \overset{″}{.} 1$ $Mathematical equation: $ 9{{\overset{\prime\prime}{.}}}1 $$	11.06	Yes^d
G4	Star-forming galaxy	1.1667(6)	[O II]	0^h 33^m $39 \overset{s}{.} 79$ $Mathematical equation: $ 39{{\overset{\text{ s}}{.}}}79 $$	+2° 42′ $9 \overset{″}{.} 1$ $Mathematical equation: $ 9{{\overset{\prime\prime}{.}}}1 $$	19.94	…^e
G5	Late type emission galaxy	1.1674(5)	[O II]	0^h 33^m $42 \overset{s}{.} 48$ $Mathematical equation: $ 42{{\overset{\text{ s}}{.}}}48 $$	+2° 42′ $22 \overset{″}{.} 0$ $Mathematical equation: $ 22{{\overset{\prime\prime}{.}}}0 $$	26.39	No
G6	Transitional galaxy	1.1673(8)	[O II]	0^h 33^m $43 \overset{s}{.} 28$ $Mathematical equation: $ 43{{\overset{\text{ s}}{.}}}28 $$	+2° 42′ $35 \overset{″}{.} 7$ $Mathematical equation: $ 35{{\overset{\prime\prime}{.}}}7 $$	44.42	…^e

Lensed galaxy SGAS J0033+02:
Arc	High-z star-forming galaxy	2.3874	C III]	0^h 33^m $41 \overset{s}{.} 57$ $Mathematical equation: $ 41{{\overset{\text{ s}}{.}}}57 $$	+2° 42′ $17 \overset{″}{.} 6$ $Mathematical equation: $ 17{{\overset{\prime\prime}{.}}}6 $$	13.91	Yes
Ci1	High-z star-forming galaxy	2.3874	C III]	0^h 33^m $41 \overset{s}{.} 17$ $Mathematical equation: $ 41{{\overset{\text{ s}}{.}}}17 $$	+2° 42′ $21 \overset{″}{.} 1$ $Mathematical equation: $ 21{{\overset{\prime\prime}{.}}}1 $$	15.54	Yes
Ci2	High-z star-forming galaxy	2.3874	C III]	0^h 33^m $39 \overset{s}{.} 97$ $Mathematical equation: $ 39{{\overset{\text{ s}}{.}}}97 $$	+2° 42′ $10 \overset{″}{.} 5$ $Mathematical equation: $ 10{{\overset{\prime\prime}{.}}}5 $$	17.63	Yes

Additional sources:
gal1	Transitional galaxy	1.3510(7)	[O II]	0^h 33^m $40 \overset{s}{.} 63$ $Mathematical equation: $ 40{{\overset{\text{ s}}{.}}}63 $$	+2° 41′ $53 \overset{″}{.} 7$ $Mathematical equation: $ 53{{\overset{\prime\prime}{.}}}7 $$	13.83	…^e
QSO	Quasar	2.0966	C III]	0^h 33^m $41 \overset{s}{.} 43$ $Mathematical equation: $ 41{{\overset{\text{ s}}{.}}}43 $$	+2° 42′ $21 \overset{″}{.} 7$ $Mathematical equation: $ 21{{\overset{\prime\prime}{.}}}7 $$	16.84	Yes
gal2	Transitional galaxy	1.4300(3)	[O II]	0^h 33^m $41 \overset{s}{.} 52$ $Mathematical equation: $ 41{{\overset{\text{ s}}{.}}}52 $$	+2° 42′ $36 \overset{″}{.} 1$ $Mathematical equation: $ 36{{\overset{\prime\prime}{.}}}1 $$	31.14	No
gal3	High-redshift galaxy	3.5421:	H I, C IV^f	0^h 33^m $41 \overset{s}{.} 53$ $Mathematical equation: $ 41{{\overset{\text{ s}}{.}}}53 $$	+2° 42′ $46 \overset{″}{.} 1$ $Mathematical equation: $ 46{{\overset{\prime\prime}{.}}}1 $$	41.01	No
gal4	Transitional galaxy	1.4308(3)	[O II]	0^h 33^m $42 \overset{s}{.} 90$ $Mathematical equation: $ 42{{\overset{\text{ s}}{.}}}90 $$	+2° 42′ $42 \overset{″}{.} 3$ $Mathematical equation: $ 42{{\overset{\prime\prime}{.}}}3 $$	45.54	…^e
gal5	Star-forming galaxy	1.4312(8)	[O II]	0^h 33^m $43 \overset{s}{.} 66$ $Mathematical equation: $ 43{{\overset{\text{ s}}{.}}}66 $$	+2° 42′ $52 \overset{″}{.} 4$ $Mathematical equation: $ 52{{\overset{\prime\prime}{.}}}4 $$	60.51	…^e

Notes. ^aRedshift derived from integrated spectra. ^bImage plane. ^cAngular distance from G1. ^dDown-the-barrel absorption. ^eFaint continuum. ^fAbsorption lines.

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