A new cometary nebula in Cygnus

Details A new cometary nebula in Cygnus A new cometary nebula in Cygnus

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...320l.145n&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 320, Sept. 15, 1987, p. L145-L148.

Astronomy and Astrophysics

Astrophysics

15

Comet Tails, Cygnus Constellation, Red Shift, Stellar Coronas, Stellar Evolution, Stellar Winds, Dark Matter, Emission Spectra, Line Spectra, Morphology, Spatial Resolution, Spectral Resolution

Scientific paper

The authors present CCD images, surface polarimetry, and long-slit spectrograms of a hitherto unknown cometary reflection nebula associated with a dense dust cloud. A bright, compact Herbig-Haro object is embedded in its brightest part. The highly reddened illuminating star of about 3 - 5 M_sun; is located near the apex of the nebula; it emits a collimated bipolar high-velocity flow whose blueshifted component feeds the Herbig-Haro object. The redshifted component can be traced toward the interior of the dark cloud, where the density exceeds 105cm-3.

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