Wind and Disk Diagnostics in PMS Stars. A Critical Analysis

Details Wind and Disk Diagnostics in PMS Stars. A Critical Analysis Wind and Disk Diagnostics in PMS Stars. A Critical Analysis

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998ap%26ss.263..227o&link_type=abstract

Astrophysics and Space Science, v. 263, Issue 1/4, p. 227-230 (1998).

Astronomy and Astrophysics

Astrophysics

Scientific paper

The relationships among traditional wind and disk diagnostics - Hα and [OI]λ6300 lines and IR luminosity excesses, respectively - and star parameters are critically analysed. The total sample includes 109 PMS stars - 20 Weak-line T Tauri (WTTS), 45 Classical T Tauri (CTTS) and 44 HAeBe stars-. Our results suggest that Hα is neither a wind nor an accretion tracer. Hα and [OI] emissions seem to correlate very well with the photospheric luminosity and not with ΔLIR/Lph, a parameter related to the origin of the IR excesses.

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