G70.0−21.5 ADS: search fulltext or title/keyword/abstract

• Right Ascension: 21 24 00
• Declination: +19 23
• Size (/arcmin): 330×240
• Type: S
• Flux density at 1 GHz (/Jy): ?
• Spectral Index: ?

Radio: Not detected.

Optical: Large, faint shell of filaments.

X-ray: Partially detected.

Point sources: Possible associated WD.

Distance: Association with WD implies 1 kpc.

References:

• Boumis et al. 2002, A&A, 396, 225. Optical and ROSAT observations. ADS
• Fesen et al. 2015, ApJ, 812, 37. Hα and other optical/UV line and ROSAT observations. ADS
• Shen et al. 2018, ApJ, 865, 15. GAIA of WD. ADS
• Raymond et al. 2020, ApJ, 888, 90. Optical observations. ADS
• Bracco et al. 2020, A&A, 636, L8. Optical, IR and dust observations. ADS

Last updated: 13 Dec 2022

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Dave Green / Cambridge, UK /