Kinematics, structure and abundances of supernova remnant 0540-69.3

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Table 2.

Dereddened line fluxes relative to [O III] λ5007 and line velocities in SNR 0540-69.3.

	VLT (PA = 88°)			NTT (PA = 22°)			Others ^(d)
Line	Measured	Flux ^(a)	Velocity ^(b)	Measured	Flux ^(c)	Velocity ^(b)	Flux	Velocity ^(b)
	(Å)		(km s⁻¹)	(Å)		(km s⁻¹)		(km s⁻¹)
[O II] λλ3726,3729 ^(e)	3735.0	59.6	600 ± 90				52/61	732 ± 80
[Fe VII] λ3759	3764.4	1.5	460 ± 30
[Fe V] λλ 3783−3797	3797.8	1.7	690 ± 60
[Ne III] λ3869+H I,He Iλ3889 ^(f)	3878.2	3.3	710 ± 80				< 2/7.3)
[Ne III] λ3967+H Iλ3970 ^(f)	3976.1	1.6	630 ± 120				–/1.7
He Iλ4026	4034.0	0.4:	580 ± 90
[S II] λλ4069,4076 ^(g)	4078.1	3.5	700 ± 90				4/4.8
H Iλ 4102	4106.0	0.9:	310 ± 50
He Iλ 4143	4154.5	0.7:	780 ± 200
[Fe V] λ4227	4235.7	1.6	450 ± 170				6.7/–
[Fe II] λ4287	4295.3	0.9:	550 ± 180
[O III] λ4363+Hγ	4368.7	5.7	380 ± 190				9.3/4.4
[Fe II] λ4414	4418.2	0.3:	250 ± 150
[Fe II] λλ4452,4458,4475 + He Iλ4471	4473.6	1.4	640 ± 250
Mg I] λ4571	4576.8	0.4:	380 ± 90
[Fe III] λ4658	4665.5	1.9	480 ± 100	∼4670	:: ⁽ⁱ⁾		2:
Hβ	4869.2	3.3	490 ± 70	∼4870	:: ⁽ⁱ⁾		< 2/1.9
[Fe III] λ4881	4890.7	0.3:	590 ± 80
[O III] λ4959	4970.4	33.2	700 ± 120	4970.7	37	700 ± 50	33/33	515 ± 100
[Fe III] λ4986	4987.6	1.4:	100 ± 300
[O III] λ5007	5017.9	100	660 ± 110	5016.3	100	560 ± 50	100/100	461 ± 120
[Fe II] λ5044	5052.6	0.3:	540 ± 110
[Fe II] λ5159+[Fe VII] λ5159	5171.0	1.6	700 ± 200	∼5160	2:	100 ± 200
[Fe III] λ5270	5280.8	1.2	590 ± 120	∼5280	2:	500 ± 200
[Fe VII] λ5721	5730.6	0.8:	520 ± 90
He Iλ5876	5881.7	0.8:	310 ± 100				–/1.3
[O I] λ6300				6313.2	7	630 ± 20	6.7/4.4
[O I] λ6363				6374.3	4:	530 ± 70	–/1.2
Hα^(h)				6577.8	17	680 ± 130	36/19.3
[S II] λλ6717,6731 ^(g)				6738.1	99	320 ± 50	67/45.1
[Ar III] λ7136				7151.0	9	630 ± 40	10.7/–	630 ± 100
[O II] λ7325				7344.7	11	810 ± 120	8/–
[Ni II] λ7378				7390.5	9	520 ± 50	6.7/–

Notes.

^(a)

The flux of [O III] λ5007 is 4.1 × 10⁻¹⁴ ergs cm⁻² s⁻¹.

^(b)

Corrected for heliocentric motions, but not the LMC redshift (∼ 270 km s⁻¹).

^(c)

The flux of [O III] λ5007 is 5.0 × 10⁻¹⁴ ergs cm⁻² s⁻¹.

^(d)

Kirshner et al. (1989, PA = 77°)/Morse et al. (2006, PA = 124°).

^(e)

[O II] λ3727.5 was used for velocity estimate.

^(f)

Velocity estimated for [Ne III].

^(g)

Velocity for [S II] λ4069 and [S II] λ6731, respectively.

^(h)

Blended with [N II] λλ6548,6583.

⁽ⁱ⁾

Line detected, flux uncertain.

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