Near-infrared spectroscopy of possible precursors to planetary nebula - AFGL 618

Details Near-infrared spectroscopy of possible precursors to planetary nebula - AFGL 618 Near-infrared spectroscopy of possible precursors to planetary nebula - AFGL 618

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248..984t&link_type=abstract

Astrophysical Journal, Part 1, vol. 248, Sept. 15, 1981, p. 984-991. Research supported by the University of Arizona

Astronomy and Astrophysics

Astronomy

35

Astronomical Spectroscopy, Infrared Astronomy, Line Spectra, Planetary Nebulae, Cosmic Dust, H Lines, Near Infrared Radiation, Shock Wave Propagation

Scientific paper

A spectrum of the suspected protoplanetary nebula AFGL 618, in the range 1.9-2.5 microns, shows at least 11 members of the H2, nu = 1-0 and nu = 2-1 rotation-vibration branches. The lines appear to arise in a dusty region of shocked gas, and the line intensities are used to estimate shock velocity, preshock density, H2 excitation temperature and extinction to the emitting region. The observations are found to be consistent with the geometry suggested for the case of a double-lobed reflection nebula, banded about the center with a ring of dusty material from which the H2 lines are emitted.

Affiliated with

Also associated with

No associations

Rating

Near-infrared spectroscopy of possible precursors to planetary nebula - AFGL 618 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Near-infrared spectroscopy of possible precursors to planetary nebula - AFGL 618, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Near-infrared spectroscopy of possible precursors to planetary nebula - AFGL 618 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1513004