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HD 36816


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Search for radio-continuum emission from galactic O-type and Wolf-Rayet stars off the plane
A study was made at radio wavelengths to detect continuum emission fromseveral O-type and Wolf-Rayet type stars and of any associated nebula,located off the galactic plane. Within a radius of 10 arcmin in eachfield of view, the authors found typically only one unrelated backgroundradio source with a continuum flux density stronger than 10 mJy at?20.5 cm.

H II regions surrounding high galactic latitude O stars
Scans of H-alpha and the N II 6584 A forbidden line were obtained indirections toward 13 O stars that have galactic latitudes greater than10 deg, and z distances between 60 pc and 1000 pc. The associated H IIregions have emission measures that range from 500/cm to the 6th pc toless than 2/cm to the 6th pc, and radii that extend from about 20 pc tomore than 200 pc from the star. The derived rms electron densities forthese regions range from about 3/cu cm for absolute z values lower than100 pc to less than 0.1/cu cm for absolute z values greater than 600 pc.

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Osservazione e dati astrometrici

Costellazione:Pittore
Ascensione retta:05h30m56.29s
Declinazione:-56°59'01.6"
Magnitudine apparente:8.617
Distanza:495.05 parsec
Moto proprio RA:-8.3
Moto proprio Dec:35.8
B-T magnitude:9.92
V-T magnitude:8.725

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 36816
TYCHO-2 2000TYC 8526-1228-1
USNO-A2.0USNO-A2 0300-01750959
HIPHIP 25835

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