Note: this is an archived version which has been superseded. The current SNR catalogue is at https://www.mrao.cam.ac.uk/surveys/snrs/

G43.9+1.6 ADS: search fulltext or title/keyword/abstract

• Right Ascension: 19 05 50
• Declination: +10 30
• Size (/arcmin): 60?
• Type: S?
• Flux density at 1 GHz (/Jy): 9.0
• Spectral Index: 0.5

Radio: Large, poorly defined faint shell.

Point sources: Soft gamma repeater nearby.

Distance: Association with CO suggests 3.1 kpc, optical extinction suggests 1.5 kpc.

References:

• Reich et al. 1988, IAUCo, 101, 293. Summary of parameters. ADS
• Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3). ADS
• Vasisht et al. 1994, ApJ, 431, L35. VLA at 327 MHz (3.'2×3.'4). ADS
• Hurley et al. 1996, ApJ, 463, L13. Observations of soft gamma repeater field. ADS
• Kaplan et al. 2002, ApJ, 566, 378. VLA at 333 MHz (50''), and other observations of the region. ADS
• Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=4.55±0.24 Jy) including polarisation and review of flux densities. ADS
• Zhou et al. 2020, ApJ, 900, 155. CO observations of region. ADS
• Wang et al. 2020, A&A, 639, A72. Optical extinction for distance. ADS

Last updated: 14 Dec 2022

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