SIMBAD references

2016ApJ...820L..28P - Astrophys. J., 820, L28 (2016/April-1)

A star-forming ring around κ Ori 250 pc from the Sun.

PILLITTERI I., WOLK S.J. and MEGEATH S.T.

Abstract (from CDS):

X-rays are a powerful probe of activity in early stages of star formation. They allow us to identify young stars even after they have lost the IR signatures of circumstellar disks and provide constraints on their distance. Here, we report on XMM-Newton observations that detect 121 young stellar objects (YSOs) in two fields between L1641 S and κ Ori. These observations extend the Survey of Orion A with XMM and Spitzer (SOXS). The YSOs are contained in a ring of gas and dust apparent at millimeter wavelengths, and in far-IR and near-IR surveys. The X-ray luminosity function of the YSOs detected in the two fields indicates a distance of 250-280 pc, much closer than the Orion A cloud and similar to distance estimates of κ Ori. We propose that the ring is a 5-8 pc diameter shell that has been swept up by κ Ori. This ring contains several groups of stars detected by Spitzer and WISE including one surrounding the Herbig Ae/Be stars V1818 Ori. In this interpretation, the κ Ori ring is one of several shells swept up by massive stars within the Orion Eridanus Superbubble and is unrelated to the southern portion of Orion A/L1641 S.

Abstract Copyright:

Journal keyword(s): stars: activity - stars: formation - stars: individual: (Orion A, L1641, Kappa Ori)

VizieR on-line data: <Available at CDS (J/ApJ/820/L28): table2.dat>

Nomenclature: Table 2: [PWM2016] NNN (Nos 1-238).

Simbad objects: 21

goto Full paper

goto View the reference in ADS

To bookmark this query, right click on this link: simbad:2016ApJ...820L..28P and select 'bookmark this link' or equivalent in the popup menu


2019.12.11-23:49:15

© Université de Strasbourg/CNRS

    • Contact