Abstract
We analyze 359 ultraviolet tiles from the All Sky Imaging Survey of the
space mission GALEX covering roughly 400 square degrees toward
the Orion star-forming region. There are a total of 1 555 174
ultraviolet sources that were cross-matched with other catalogs
(2MASS, UCAC4, SDSS, DENIS, CMC15, and WISE) to produce a list
of 290 717 reliable sources with a wide range of photometric
information. Using different color selection criteria, we
identify 111 young stellar object candidates showing both
ultraviolet and infrared excesses, of which 81 are new
identifications. We discuss the spatial distribution, the
spectral energy distributions, and other physical properties of
these stars. Their properties are, in general, compatible with
those expected for T Tauri stars. This population of TTS
candidates is widely dispersed around the Orion molecular cloud.
Full Tables 1 and 2 are only available at the CDS via anonymous
ftp to <A href=''http://cdsarc.u-strasbg.fr''>http://cdsarc.u-st
rasbg.fr</A> (ftp://130.79.128.5) or via <A
href=''http://cdsarc.u-strasbg.fr/viz-
bin/qcat?J/A+A/572/A89''>http://cdsarc.u-strasbg.fr/viz-
bin/qcat?J/A+A/572/A89</A>
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