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Table 1

Distance and extinction of 35 SNRs measured by UKIDSS data.

Name(a) Other name RA Dec Radius RC ridge(b) (c) (d) Reliability drad (e) dother (f) ()SNR Dust mass
(deg) (deg) (deg) (kpc) (mag kpc−1) (kpc) (mag kpc−1) (kpc) (kpc) (mag) (M⊙)
G5.4-1.2a Milne 56 270.54 −24.90 0.29 Normal 3.89 ± 0.91 0.15 0 0 A >4.3 0.275
                             
G6.1+1.2 268.73 −23.08 0.25 Normal 3.27 ± 0.73 0.10 0 0 A 6.7 0.138
                             
G6.4-0.1a W28 270.13 −23.43 0.40 KDE 3.55 ± 0.90 0.40 0 0 A 1.9 0.742
                             
G8.9+0.4 270.99 −21.05 0.20 KDE 3.54 ± 0.62 0.27 0 0 A 4.3 0.376
                             
G13.3-1.3 274.83 −18.00 0.58 Normal 4.76 ± 0.93 0.10 0 0 C 2.0–4.0 0.214
                             
G15.1-1.6 276.00 −16.57 0.25 Normal 2.91 ± 0.68 0.16 0 0 C 4.5 2.2◃ 0.186
                             
G18.9-1.1a 277.46 −12.97 0.28 Normal 5.47 ± 0.79 0.25 3.08 ± 0.65 0.13 B 1.8⋆/2.0⋄ 0.175
                             
G19.1+0.2 276.23 −12.12 0.23 Normal 3.57 ± 0.67 0.15 0 0 C 4.0 0.269
                             
G21.8-0.6a Kes 69 278.19 −10.13 0.17 Normal 4.87 ± 0.29 0.81 3.56 ± 0.24 0.4 A 3.2 5.2⋄/5.6• 0.586
                             
G22.7-0.2a 278.31 −9.22 0.22 Normal 4.72 ± 0.26 1.33 3.11 ± 0.29 0.49 A 3.2 4.4/4.7• 0.841
                             
G23.3-0.3a W41 278.69 −8.80 0.23 Normal 3.38 ± 0.26 1.34 4.14 ± 0.27 0.93 A 2.7 4.2⋄/4.8• 0.799
                             
G24.7+0.6a 278.54 −7.08 0.25 Normal 2.73 ± 0.68 0.31 5.87 ± 0.71 0.26 B 3.5⋄ 0.483
                             
G25.1-2.3 281.29 −8.00 0.67 Normal 3.45 ± 0.83 0.05 0 0 C 2.9 0.100
                             
G27.8+0.6a 279.96 −4.40 0.42 KDE 3.99 ± 0.55 0.21 0 0 A 2–3⊘ 0.275
                             
G30.7+1.0 281.00 −1.53 0.20 Normal 3.64 ± 0.93 0.13 0 0 C 5.1 0.242
                             
G32.1-0.9a 283.29 −1.13 0.33 KDE 4.65 ± 0.56 0.11 0 0 A 4.6⋄ 0.131
                             
G34.7-0.4a W44, 3C392 284.00 1.37 0.29 Normal 2.66 ± 0.71 0.49 0 0 B 2.1⋆/2.8⋄/3.0• 0.713
                             
G36.6-0.7 285.15 2.93 0.21 Normal 8.66 ± 1.17 0.10 0 0 C 0.291
                             
G38.7-1.3a 286.67 4.47 0.27 KDE 4.11 ± 0.88 0.08 0 0 C 0.142
                             
G40.5-0.5a 286.79 6.52 0.18 KDE 5.12 ± 0.32 0.44 0 0 A 4.4 0.362
                             
G42.8+0.6 286.83 9.08 0.20 KDE 4.24 ± 0.93 0.13 0 0 C 5.4 0.251
                             
G43.9+1.6 286.46 10.50 0.50 KDE 1.52 ± 0.60 0.07 5.56 ± 0.53 0.05 C 2.5 0.093
                             
G45.7-0.4 289.10 11.15 0.18 Normal 6.04 ± 0.33 0.31 0 0 A 5.3 0.304
                             
G49.2-0.7a W51 290.96 14.10 0.25 Normal 5.74 ± 0.98 0.14 0 0 B 2.1 5.4•/5.7⋆/6⋄ 0.290
                             
G54.4-0.3a HC40 293.33 18.93 0.33 Normal 6.64 ± 1.25 0.13 2.4 ± 0.63 0.1 A 2.5 6.6⋄ 0.375
                             
G55.0+0.3 293.00 19.83 0.17 Normal 10.18 ± 1.28 0.09 6.7 ± 1.0 0.08 C 9.4 14 0.262
                             
G59.8+1.2 294.73 24.32 0.17 Normal 5.43 ± 1.11 0.06 0 0 C 7.3× 0.139
                             
G65.1+0.6a 298.67 28.58 0.75 KDE 4.16 ± 0.61 0.11 0 0 A 2.6 9 0.145
                             
G66.0+0.0 299.46 29.05 0.26 Normal 3.93 ± 0.71 0.09 0 0 A 2.3⋆ 0.149
                             
G73.9+0.9a 303.56 36.20 0.23 Normal 4.00 ± 0.69 0.14 0 0 A 4.0 1.25◃ 0.204
                             
G85.4+0.7a 312.67 45.37 0.20 Normal 3.80 ± 1.05 0.08 0 0 B 3.5 ± 1.0 °/4.4⋆ 0.152
                             
G85.9-0.6 314.67 44.88 0.20 Normal 3.27 ± 0.97 0.05 0 0 C 4.8 ± 1.6 ° 0.082
                             
G93.7-0.2 CTB 104A, DA 551 322.33 50.83 0.67 KDE 4.29 ± 0.45 0.17 1.99 ± 0.33 0.14 A 1.4 1.5 0.120
                             
G359.0-0.9a 266.71 −30.27 0.19 Normal 3.49 ± 0.36 0.60 0 0 A 3.7 0.399
                             
G359.1-0.5a 266.38 −29.95 0.20 Normal 3.29 ± 0.47 1.03 0 0 B 4.0 8.5◃/4(((bigtriangleup))) 1.073

Notes. (a) The known SNR and molecular cloud associations are denoted by “a”. (b)The method for obtaining the RC ridge in CMDs: a kernel density estimation (KDE) or a normal parameter estimation (Normal). (c) The primary distance marked as “P”. (d) The secondary distance marked as “S”. (e) The radio-surface-brightness distances drad are from Pavlović et al. (2013). (f) The distances listed in this column dother are mainly kinematic distances from Green (2019b). The symbols ◃, ⋄, •, ⊘, ⋆, ×, °, and △ denote distances determined by different methods from Vukotić et al. (2019), Lee et al. (2019), Ranasinghe & Leahy (2018), Misanovic et al. (2010), Shan et al. (2018), Kilpatrick et al. (2016), Jackson et al. (2008), and Suzuki et al. (2020), respectively.

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