Difference between revisions of "Triggers:TTau"
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* absolute magnitude range: M_V=? to ? mag | * absolute magnitude range: M_V=? to ? mag | ||
* typically do not require a trigger, but watch list of T Tauris would be useful | * typically do not require a trigger, but watch list of T Tauris would be useful | ||
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| + | Below are sample optical spectra of classical T Tauri stars and two FU-ori type eruptive variables. | ||
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| + | [[File:FUori-spectra.jpeg|400px|left|thumb|FRODOspec data from the Liverpool Telescope ]] | ||
| + | [[File:CTTS-spectra.jpeg|400px|right|thumb|FRODOspec data of DG Tau (red), CW Tau (blue) and HL Tau (green) ]] | ||
Revision as of 10:19, 26 July 2013
T Tauri stars
T Tauri type stars are very young (<math> <10^7 </math> y), low mass (<math> <3 M^{}_\odot </math>) pre-main sequence objects Appenzeller & Mundt 1989.
Characteristics:
- irregular and quasi-periodic variations
- high amplitude (up to 5 mag)
- may have a phase of quiescence (see figure)
- absolute magnitude range: M_V=? to ? mag
- typically do not require a trigger, but watch list of T Tauris would be useful
Below are sample optical spectra of classical T Tauri stars and two FU-ori type eruptive variables.
