Volume 334, Issue 9 pp. 928-931
Original Paper

Observability of YSOs with the WISE and AKARI infrared space observatories

S. Zahorecz

Corresponding Author

S. Zahorecz

Loránd Eötvös University, Department of Astronomy, Pázmány Péter sétány 1, 1117 Budapest, Hungary

Loránd Eötvös University, Department of Astronomy, Pázmány Péter sétány 1, 1117 Budapest, HungarySearch for more papers by this author
L.V. Töth

L.V. Töth

Loránd Eötvös University, Department of Astronomy, Pázmány Péter sétány 1, 1117 Budapest, Hungary

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G. Marton

G. Marton

Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, 1121 Budapest, Konkoly Thege Miklós út 15-17, Hungary

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M. Ueno

M. Ueno

Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan

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M. Tamura

M. Tamura

National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588; The Graduate University for Advanced Studies (SOKENDAI), 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan

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A. Kawamura

A. Kawamura

Department of Astrophysics, Nagoya University, Chikusa-ku, Nagoya 464-8602, Japan

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Y. Kitamura

Y. Kitamura

Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan

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First published: 07 November 2013

Abstract

Large area surveys allow us to identify young stellar objects and classify them based on their colours. The near-, mid- and far-infrared filters' sensitivities are different, therefore different proportions of young stars are observable. Evolutionary times for the different classes can be concluded from the popularity of the classes. Our aim was to investigate the completeness of the YSO detections. With the use of only mid- or only far-infrared surveys, we will miss one part of the young stellar objects. Without far-infrared data one third of the Class 0–II objects can remain invisible. Class III sources are almost invisible above 65 μm. For a comprehensive study we have to use the available data in the whole infrared range. (© 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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