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- W1992079801 abstract "view Abstract Citations (94) References (36) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Small-Scale Structure of the Circumstellar Gas of HL Tauri and R Monocerotis Beckwith, S. ; Sargent, A. I. ; Scoville, N. Z. ; Masson, C. R. ; Zuckerman, B. ; Phillips, T. G. Abstract Interferometric observations of CO (J = 1-0) emission in HL Tau and R Mon reveal small-scale concentrations of molecular gas coincident with both stars. The line widths are small, less than 3 km/s, and centered close to the stellar velocities, indicating that these condensations are bound to the stars. Lower limits to the circumstellar masses are derived from the CO measurements. HL Tau is also a source of 2.7 mm continuum radiation, which probably originates from dust near the star. Depending upon the dust emissivity law adopted, the continuum flux implies a total mass of gas and dust of 0.01 to 0.2 solar mass. These results, combined with near infrared speckle interferometry, suggest that both stars are embedded in disks with sizes and masses similar to those of the primitive solar nebula. Publication: The Astrophysical Journal Pub Date: October 1986 DOI: 10.1086/164645 Bibcode: 1986ApJ...309..755B Keywords: Pre-Main Sequence Stars; Stellar Envelopes; Carbon Monoxide; Continuous Spectra; Line Spectra; Mass Distribution; Astrophysics; STARS: CIRCUMSTELLAR SHELLS; STARS: INDIVIDUAL CONSTELLATION NAME: HL TAURI; STARS: INDIVIDUAL CONSTELLATION NAME: R MONOCEROTIS; STARS: PRE--MAIN-SEQUENCE full text sources ADS | data products SIMBAD (4)" @default.
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- W1992079801 date "1986-10-01" @default.
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- W1992079801 title "Small-scale structure of the circumstellar gas of HL Tauri and R Monocerotis" @default.
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