Young Stellar Object Candidates in the Aquila Rift Region

Astronomy and Astrophysics – Astronomy

Scientific paper

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Ism: Individual, Stars: Emission-Line

Scientific paper

Using the 2-m telescope at Thüringer Landessternwarte Tautenburg (TLS), an imaging of 16 fields in the Aquila Rift region with the Hα, R and I filters is made. The observed region covers about 7 square degrees. Excluding the data with bad quality for three fields, the data for the remaining fields are analyzed and finally seven Hα emission-line star candidates are identified. These seven candidates are located in five fields. Three of these candidates are located at the Galactic plane, while the galactic latitudes of the left are larger than 4 degrees. The 2MASS point source counterparts of the Hα emission-line star candidates are identified. It is also found that there are no obvious infrared excesses for some of the Hα emission-line emission star candidates, one of which is located on the main sequence locus in the color-color diagram. Spectral observations are needed to confirm the nature of the young stellar object candidates.

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