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Table 4
Available photometric measurements of Hb 12.
| Filters | Flux | Reference |
|---|---|---|
| Central star and nebula | ||
| B (mag) | 14.5 ± 0.5 | Tylenda et al. (1991) |
| V (mag) | 13.6 ± 0.5 | Tylenda et al. (1991) |
| Ru (mag) | 11.753 | Röser et al. (2008) |
| Dust | ||
| 2MASS J (mag) | 10.234 ± 0.02 | Cutri et al. (2003) |
| 2MASS H (mag) | 9.825 ± 0.02 | Cutri et al. (2003) |
| 2MASS Ks (mag) | 8.811 ± 0.02 | Cutri et al. (2003) |
| WISE F 3.4 μm(a) (Jy) | 0.34 ± 0.01 | This study |
| WISE F 4.6 μm(a) (Jy) | 0.66 ± 0.02 | This study |
| WISE F 12 μm(a) (Jy) | 16.87 ± 0.12 | This study |
| WISE F 22 μm(a) (Jy) | 59.30 ± 0.05 | This study |
| Spitzer F 3.6 μm(b) (Jy) | 0.38 ± 0.01 | This study |
| Spitzer F 4.5 μm(b) (Jy) | 0.57 ± 0.06 | This study |
| Spitzer F 5.8 μm(b) (Jy) | 0.95 ± 0.04 | This study |
| Spitzer F 8.0 μm(b) (Jy) | 6.12 ± 0.20 | This study |
| Spitzer F 24.0 μm(b) (Jy) | 67.66 ± 0.35 | This study |
| MSX F 8.3 μm (Jy) | 10.99 ± 0.45 | Egan et al. (2003) |
| MSX F 12.1 μm (Jy) | 16.95 ± 0.85 | Egan et al. (2003) |
| MSX F 14.7 μm (Jy) | 18.53 ± 1.13 | Egan et al. (2003) |
| MSX F 21.3 μm (Jy) | 50.81 ± 3.05 | Egan et al. (2003) |
| IRAS F 12 μm (Jy) | 25.13 ± 1.26 | Tajitsu & Tamura (1998) |
| IRAS F 25 μm (Jy) | 68.91 ± 2.76 | Tajitsu & Tamura (1998) |
| IRAS F 60 μm (Jy) | 28.86 ± 3.46 | Tajitsu & Tamura (1998) |
| IRAS F 100 μm (Jy) | 11.90 ± 1.07 | Tajitsu & Tamura (1998) |
| AKARI F 9 μm (Jy) | 11.88 ± 0.05 | Ishihara et al. (2010) |
| AKARI F 18 μm (Jy) | 40.60 ± 0.45 | Ishihara et al. (2010) |
| AKARI F 65 μm (Jy) | 28.82 ± 1.21 | Ishihara et al. (2010) |
| AKARI F 90 μm (Jy) | 19.70 ± 1.08 | Ishihara et al. (2010) |
| AKARI F 140 μm (Jy) | 6.50 ± 0.76 | Ishihara et al. (2010) |
| AKARI F 160 μm(c) (Jy) | 3.08: | Ishihara et al. (2010) |
| JCMT F 450 μm(d) (Jy) | 1.4 > | Hoare et al. (1992) |
| JCMT F 800 μm (Jy) | 0.311 ± 0.048 | Hoare et al. (1992) |
| JCMT F 1100 μm (Jy) | 0.305 ± 0.028 | Hoare et al. (1992) |
| Free-free emission | ||
| 90 GHz (Jy) | 0.275 ± 0.079 | Purton et al. (1982) |
| 30 GHz (Jy) | 0.399 ± 0.009 | Pazderska et al. (2009) |
| 22 GHz (Jy) | 0.201 ± 0.027 | Purton et al. (1982) |
| 15 GHz (Jy) | 0.17 | Aaquist & Kwok (1991) |
| 10.6 GHz (Jy) | 0.122 ± 0.02 | Purton et al. (1982) |
| 8.1 GHz (Jy) | 0.081 ± 0.003 | Purton et al. (1982) |
| 5 GHz (Jy) | 0.0796 | Stanghellini & Haywood (2010) |
| 5 GHz (Jy) | 0.065 | Aaquist & Kwok (1990) |
| 2.7 GHz (Jy) | 0.027 ± 0.003 | Purton et al. (1982) |
| IUE spectra | ||
| Instrument | Wavelength range (μm) | Exposures (s) |
| SWP 05572 | 0.115–0.20 | 5400 |
| SWP 17 075 | 0.115–0.20 | 9000 |
| LWR 04814 | 0.185–0.33 | 7200 |
| LWR 13 359 | 0.185–0.33 | 7200 |
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