An X-shooter survey of star forming regions: Low-mass stars and sub-stellar objects

Rosaria Bonito, Spezzi, Leone, Frasca, Cupani, Gandolfi, Rigliaco, Alcalá, Testi, Stelzer, Flaccomio, Covino, Whelan, Bacciotti, Randich, Natta, Bonito, Micela, Nisini, Covino

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Abstract

We present preliminary results of our X-shooter survey in star forming regions. In this contribution we focus on sub-samples of young stellar and sub-stellar objects (YSOs) in the Lupus star forming region and in the TW Hya association. We show that the X-shooter spectra are suitable for conducting several parallel studies such as YSO + disk fundamental parameters, accretion and outflow activity in the very low-mass (VLM) and sub-stellar regimes, as well as magnetic activity in young VLM YSOs, and Li abundance determinations. The capabilities of X-shooter in terms of wide spectral coverage, resolution and limiting magnitudes, allow us to assess simultaneously the accretion/outflow, magnetic activity, and disk diagnostics, from the UV and optical to the near-IR, avoiding ambiguities due to possible YSO variability.Based on observations collected at the European Southern Observatory, Chile, under Programmes 084.C-0269 and 085.C-0238.
Lingua originaleEnglish
pagine (da-a)242-
Numero di pagine0
RivistaAstronomische Nachrichten
VolumeVol.332, Issue 3
Stato di pubblicazionePublished - 2011

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All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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Bonito, R., Spezzi, Leone, Frasca, Cupani, Gandolfi, Rigliaco, Alcalá, Testi, Stelzer, Flaccomio, Covino, Whelan, Bacciotti, Randich, Natta, Bonito, Micela, Nisini, & Covino (2011). An X-shooter survey of star forming regions: Low-mass stars and sub-stellar objects. Astronomische Nachrichten, Vol.332, Issue 3, 242-.