Abstract
view Abstract Citations (27) References (14) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS High-dispersion spectra of RU Lup. Schwartz, R. D. ; Heuermann, R. W. Abstract Echellograms have been obtained of the T Tauri star RU Lup over a period of decreasing light. Near minimum light (V approximately 11.6), a photospheric absorption-line spectrum was detected typical of a K-type star. Although the radial velocity of the absorption lines (-0.5 + or - 2.8 km/s) agrees closely with the dark cloud velocity (-1.1 km/s), the forbidden emission lines have a radial velocity of -13.7 + or - 5.0 km/s. The greatest surprise is in the radial velocities of the broad permitted emission lines, for which the radial velocity is found to be + or - 5.4 km/s. Possible origins of the discrepancy in velocity between the absorption lines and permitted emission lines are discussed. Publication: The Astronomical Journal Pub Date: October 1981 DOI: 10.1086/113035 Bibcode: 1981AJ.....86.1526S Keywords: Absorption Spectra; Forbidden Bands; High Dispersion Spectrographs; Radial Velocity; Stellar Spectra; T Tauri Stars; Emission Spectra; K Stars; Line Spectra; Photoelectric Emission; Photosphere; Spectrum Analysis; Astronomy full text sources ADS | data products SIMBAD (1)
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
