G31.5−0.6
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- Right Ascension: 18 51 10
- Declination: −01 31
- Size (/arcmin): 18?
- Type: S?
- Flux density at 1 GHz (/Jy): 2?
- Spectral Index: ?
Notes: Has been called G31.55−0.65.
- Radio: Distorted shell? Near HII region.
- Optical: Diffuse, incomplete shell.
References:
- Fürst et al. 1987, A&AS, 69, 403. Effelsberg 100-m at 4.75 GHz (2.′4), plus other flux densities.
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- Mavromatakis et al. 2001, A&A, 370, 265. Optical observations.
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- Dokara et al. 2021, A&A, 651, A86. VLA at 4 to 8 GHz (18″: S=0.3 Jy) including polarisation, and Spitzer observations.
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- Sofue et al. 2021, ApJS, 253, 17. Nobeyama 45-m CO observations (20″) of region.
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- Dokara et al. et al. 2023, A&A, 671, A145. VLA and Effelsberg 100-m at 6 GHz, including polarisation, plus other radio flux densities.
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Last updated: 18 Mar 2024
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Dave Green / Cambridge, UK /