G7.7−3.7 ADS: search title/keyword/abstract or fulltext

1814−24 ADS: search title/keyword/abstract or fulltext

• Right Ascension: 18 17 25
• Declination: −24 04
• Size (/arcmin): 22
• Type: S
• Flux density at 1 GHz (/Jy): 11
• Spectral Index: 0.32

Notes: Has been associated with the SN of AD386.

Radio: Shell, with high polarisation.

Optical: Faint filaments in S.

X-ray: Arc in S.

References:

• Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8.′4) and 5 GHz (4.′4). ADS
• Milne et al. 1986, MNRAS, 223, 487. MOST at 843 MHz (44″×108″) and Parkes 64-m at 8.4 GHz (3′: S=4.6±0.5 Jy), with polarisation, plus review of flux densities. ADS
• Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (35″×70″: S=9.9±0.1 Jy), including polarisation. ADS
• Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search. ADS
• Zhou et al. 2018, ApJ, 865, L6. XMM-Newton observations. ADS
• Domček et al. 2023, MNRAS, 526, 1112. Optical observations. ADS

Last updated: 12 Mar 2024

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