G73.9+0.9 ADS: search fulltext or title/keyword/abstract

• Right Ascension: 20 14 15
• Declination: +36 12
• Size (/arcmin): 27
• Type: S?
• Flux density at 1 GHz (/Jy): 9
• Spectral Index: 0.23

Radio: Diffuse, centrally brightened to SW.

Optical: Faint shell.

Distance: Optical extinction suggests 4.0 kpc.

References:

• Reich et al. 1986, A&A, 155, 185. Effelsberg 100-m at 4.75 GHz (2.'4: S=6.7±0.5 Jy), plus other flux densities. ADS
• Chastenay & Pineault 1988, IAUCo, 101, 297. DRAO at 408 MHz (3.'5×5.'9) and 1.4 GHz (1.'0×1.'7). ADS
• Pineault & Chastenay 1990, MNRAS, 246, 169. DRAO at 408 MHz (3.'4×5.'8: S=12.7±1.2 Jy) and 1.4 GHz (1.'0×1.'7: S=7.4±1.0 Jy). ADS
• Gorham et al. 1996, ApJ, 458, 257. Pulsar search. ADS
• Pineault et al. 1996, AJ, 112, 201. DRAO at 1.4 GHz (smoothed to 2') for HI. ADS
• Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. ADS
• Mavromatakis 2003, A&A, 398, 153. Optical observations. ADS
• Kothes et al. 2006, A&A, 457, 1081. CGPS at 408 MHz (~3': S=10.0±1.7 Jy) and 1420 MHz (~1': S=7.6±0.6 Jy), including polarisation and review of flux densities. ADS
• Sitnik 2010, ARep, 54, 317. Hα and CO observations of region. ADS
• Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=6.2±0.3 Jy) including polarisation and review of flux densities. ADS
• Jeong et al. 2012, Ap&SS, 342, 389. CO observations of region. ADS
• Acero et al. 2016, ApJS, 224, 8. Fermi observations. ADS
• Zdziarski et al. 2016, MNRAS, 455, 1451. Fermi observations. ADS
• Wang et al. 2020, A&A, 639, A72. Optical extinction for distance. ADS

Last updated: 14 Dec 2022

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