a Yso-Like Pulsed Astrophysical Jet and Bipolar Nebula in a Dying Star: WFPC2/STIS Study of HE2-90

Details a Yso-Like Pulsed Astrophysical Jet and Bipolar Nebula in a Dying Star: WFPC2/STIS Study of HE2-90 a Yso-Like Pulsed Astrophysical Jet and Bipolar Nebula in a Dying Star: WFPC2/STIS Study of HE2-90

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..741s&link_type=abstract

Chandra Proposal ID #03200012

Physics

Chandra Proposal Id #03200012

Scientific paper

We have discovered an extended, highly-collimated, bipolar jet in He2-90, an object long classified as a planetary nebula (PN). The discovery images (obtained with WFPC2/HST) show that the morphology of He2-90 does not look like that of any known PN, but resembles that of a classical young stellar object (YSO). This appears to be a unique object. We propose to map the jet near the central source using the long-slit, medium resolution mode of STIS. We also propose Chandra X-ray observations (with ACIS-I) to check the association of an EGRET >~mma-ray source which lies in the direction of He2-90.

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