Table 1
Integrated flux densities, polarization intensities and derived spectral indexes for 15 large SNRs (not including G205.5+0.5, see text).
| SNR name | S λ6 cm | P I λ6 cm | S λ11 cm | S λ21 cm | New α | Prev. Sλ6 cm | Ref. | Prev. α | Ref. | Ref. for Sν |
| (Jy) | (Jy) | (Jy) | (Jy) | (Jy) | at other freq. (ν) | |||||
|
|
||||||||||
| G39.7−2.0 (W50) | 37.0 ± 3.8 | 5.3 ± 0.6 | 51.5 ± 5.2 | 69.7 ± 7.1 | −0.48 ± 0.03 | 34 ± 4 | 2 | −0.48 ± 0.03 | 3 | 1, 2, 3, 4 |
| G65.1+0.6 | 3.2 ± 0.3 | 0.8 ± 0.1 | ··· | 5.4 ± 0.6 | −0.45 ± 0.04 | ··· | ··· | −0.61 ± 0.09 | 6 | 5, 6, 7 |
| G69.0+2.7 (CTB 80) | 35.6 ± 3.9 | 4.7 ± 0.5 | 47.6 ± 5.0 | 56.7 ± 6.3 | ··· | 44.0 ± 3.3 | 9 | −0.45 ± 0.03 | 6 | 6, 8, 9, 10 |
| G78.2+2.1 | 170 ± 18 | 1.2 ± 0.1 | 222 ± 23 | ··· | −0.48 ± 0.03 | 150 ± 15 | 11 | −0.51 ± 0.03 | 6 | 6, 11, 12, 13, 14 |
| G82.2+5.3 (W63) | 48.5 ± 4.9 | 7.5 ± 0.8 | ··· | 93.1 ± 9.5 | −0.44 ± 0.04 | >38.5 ± 4.0 | 15 | −0.48 ± 0.04 | 6 | 6, 15, 16 |
| G89.0+4.7 (HB21) | 107 ± 11 | 11.3 ± 1.1 | ··· | ··· | −0.36 ± 0.03 | 103 ± 18 | 17 | −0.38 ± 0.03 | 6 | 6, 16, 17, 18 |
| G93.7−0.2 | 25.0 ± 2.5 | 5.2 ± 0.5 | 35.9 ± 3.6 | 39.6 ± 4.0 | −0.52 ± 0.03 | 33.5 ± 4.0 | 14 | −0.65 ± 0.03 | 6 | 6, 19, 20, 21, 22 |
| G106.3+2.7 | 2.0 ± 0.3 | 0.4 ± 0.1 | 3.1 ± 0.3 | 5.0 ± 0.6 | −0.64 ± 0.04 | ··· | ··· | −0.61 ± 0.07 | 6 | 6, 23 |
| G114.3+0.3 | 6.9 ± 0.7 | 0.9 ± 0.1 | ··· | 10.8 ± 1.1 | −0.31 ± 0.10 | ··· | ··· | −0.49 ± 0.25 | 6 | 24 |
| G116.5+1.1 | 5.7 ± 0.6 | 1.6 ± 0.2 | ··· | 10.3 ± 1.1 | −0.45 ± 0.05 | ··· | ··· | −0.53 ± 0.08 | 6 | 6, 24, 25 |
| G160.9+2.6 (HB9) | 33.9 ± 3.4 | 5.3 ± 0.5 | ··· | ··· | −0.59 ± 0.02 | 36 ± 8 | 26 | −0.64 ± 0.02 | 6 | 6, 16, 26, 27, 28 |
| G166.0+4.3 (VRO 42.05.01) | 3.3 ± 0.3 | 0.6 ± 0.1 | ··· | ··· | −0.33 ± 0.04 | ··· | ··· | −0.37 ± 0.03 | 6 | 6, 18, 29 |
| G179.0+2.6 | 3.2 ± 0.3 | 0.4 ± 0.1 | 5.0 ± 0.5 | 5.4 ± 0.6 | −0.45 ± 0.11 | 3.6 ± 0.8 | 30 | −0.30 ± 0.15 | 30 | 30 |
| G189.1+3.0 (IC443) | 84.6 ± 9.4 | 2.6 ± 0.3 | ··· | ··· | −0.38 ± 0.01 | 79 ± 11 | 31 | −0.36 ± 0.02 | 31 | 16, 31 |
| G206.9+2.3 (PKS 0646+06) | 2.9 ± 0.3 | 0.4 ± 0.1 | 3.9 ± 0.4 | 5.1 ± 0.6 | −0.47 ± 0.04 | ··· | ··· | −0.45 ± 0.03 | 32 | 32 |
Notes. The integrated flux densities at λ6 cm, λ11 cm and λ21 cm are newly extracted from the Urumqi λ6 cm survey and the Effelsberg surveys are also listed. The newly derived spectral indices and the previously published flux densities at λ6 cm, spectral indices of SNRs and their references are listed for comparison. References for flux densities at other frequencies are given in the last column.
References. (1) Downes et al. (1981), (2) Downes et al. (1986), (3) Dubner et al. (1998), (4) Kovalenko et al. (1994), (5) Landecker et al. (1990), (6) Kothes et al. (2006b), (7) Tian & Leahy (2006b), (8) Castelletti et al. (2003), (9) Mantovani et al. (1985), (10) Velusamy et al. (1976), (11) Wendker et al. (1991), (12) Higgs et al. (1977), (13) Pineault & Chastenay (1990), (14) Zhang et al. (1997), (15) Higgs et al. (1991), (16) Reich et al. (2003), (17) Hirabayashi & Takahashi (1972), (18) Willis (1973), (19) Velusamy & Kundu (1974), (20) Mantovani et al. (1982), (21) Landecker et al. (1985), (22) Mantovani et al. (1991), (23) Pineault & Joncas (2000), (24) Tian & Leahy (2006a), (25) Reich & Braunsfurth (1981), (26) Dwarakanath et al. (1982), (27) Roger et al. (1999), (28) Leahy & Tian (2007), (29) Leahy & Tian (2005), (30) Fürst & Reich (1986), (31) Erickson & Mahoney (1985), (32) Graham et al. (1982).
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