Triggered star formation in the CO shell G 126.1--0.8--14
Abstract
G 126.1--0.8--14 is a molecular shell located in the Orion arm, at a distance of about 1 kpc. The HII region Sh2-187 is located over the border of this shell. Previous works show that Sh2-187 is a small (∼ 9') and young (∼ 2 × 10^5 yr) ionized region that shows signs of recent star formation in its surroundings. On the other hand, based on color criteria, we have found several infrared (MSX and IRAS) sources candidates of being young stellar objects (YSO) or ultracompact HII regions (UCHII) located projected onto the shell. In this work we present an analysis of the possible origin of G 126.1--0.8--14 and its possible roll in the formation of new stars.
- Publication:
-
Boletin de la Asociacion Argentina de Astronomia La Plata Argentina
- Pub Date:
- 2012
- Bibcode:
- 2012BAAA...55..183C