Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...206...89p&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 206, no. 1, Nov. 1988, p. 89-94. Research supported by the Ministere de l'Educ
Astronomy and Astrophysics
Astrophysics
12
Galactic Structure, H I Regions, H Ii Regions, Planetary Nebulae, Absorption Spectra, Astrometry, Far Infrared Radiation, Very Large Array (Vla)
Scientific paper
Based on the H I absorption spectrum, the authors derive a distance to the emission nebula M1-78 of 5 - 8 kpc. From this distance and the total far infrared flux density, the total luminosity is found to be of order 1×105L_sun;. M1-78 is therefore unlikely to be a planetary nebula, as had been suggested previously. The authors favour a classification as H II region instead. They suggest that M1-78 is possibly associated with an outer spiral arm.
Bierman G. S.
Boettcher C.
Ge Jian
Holliman John H.
Krause Sven
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