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Table 4

[O i] and OH line equivalent widths, fluxes, and velocity shifts.

NGC 4418 Arp 220
Line λ W eq a Fluxa V shifta,b W eq a Fluxa V shifta,b
(μm) (km s-1) (10-21 W cm-2) (km s-1) (km s-1) (10-21 W cm-2) (km s-1)

[O i] 1−2 63.184 25.2(1.0) −17.2(0.7) 115(16) 45.4(2.0) −96.3(4.3) 20(30)
[O i] 0−1 145.525 −7.3(1.6) 0.9(0.2) 35(22) −25.4(1.1) 15.6(0.7) 75(77)
OH 119.233 58.4(2.0) −12.0(0.4) 125(36) 212.5(2.2) −204.5(2.1) 41(52)
OH 119.441 54.9(1.9) −11.2(0.4) 114(32) 174.9(2.0) −168.1(1.9) 39(44)
OH 79.118 17.8(1.4) −8.7(0.7) 97(24) 63.5(1.3) −115.0(2.3) 90(35)
OH 79.181 12.5(1.3) −6.1(0.6) 72(19) 63.5(1.3) −115.0(2.3) 90(35)
OH 53.261 38.8(4.5) −31.3(3.6) 76(35) 95.7(3.8) −230.5(9.1) 66(44)
OH 53.351 59.2(5.6) −47.7(4.5) 56(52) 94.4(3.7) −227.3(8.8) 31(42)
OH 96.340 9.1(3.3) −3.1(1.1) 38(34)
OH 84.420 77.8(1.9) −34.2(0.8) 10(30) 88.6(1.4) −150.8(2.3) 2(38)
OH 84.597 89.6(2.0) −39.2(0.9) 1(34) 95.4(1.4) −161.7(2.3) −16(39)
OH 65.132 74.1(1.7) −48.7(1.1) 16(39) 49.8(1.2) −107.7(2.6) −6(50)
OH 65.279 62.7(1.8) −40.8(1.1) −13(39) 45.8(1.2) −98.8(2.5) −57(49)
OH 71.197 72.1(2.8) −40.5(1.6) −16(45) 42.4(1.0) −84.3(2.0) −17(54)
OH 52.934 24.1(5.0) −18.8(3.9) −57(22) 3.0(2.2) −7.4(5.5) −67(40)
OH 53.057 23.5(5.4) −18.5(4.3) 91(25) 3.6(3.8) −8.8(9.3) 4(33)
OH 55.920 54.1(4.4) −41.0(3.3) 40(91) 12.5(2.5) −26.9(5.4) −52(58)
OH 163.124 −10.0(2.2) 1.0(0.2) −78(24) −71.9(2.7) 31.9(1.2) 150(77)
OH 163.397 −9.6(2.2) 0.9(0.2) −16(23) −41.8(5.0) 18.5(2.2) 161(57)

Notes. 

(a)

Numbers in parenthesis indicate 1σ uncertainties from Gaussian fits to the lines.

(b)

Velocity shifts are relative to z = 0.00705 for NGC 4418 and z = 0.0181 for Arp 220.

(c)

The two Λ-components are (nearly) blended into a single spectral feature.

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