2004A&A...427..895C


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.21CEST13:39:49

2004A&A...427..895C - Astronomy and Astrophysics, volume 427, 895-899 (2004/12-1)

Millimeter observations of the HH 222 region.

CASTETS A., REIPURTH B. and LOINARD L.

Abstract (from CDS):

The HH 222 streamers in Orion and their associated non-thermal radio jet form a unique object, whose nature remains enigmatic. We have carried out a set of detailed millimeter observations around the non-thermal radio source in several transitions of the CO, 13CO C18O and CS molecules. We find that the radio source is not associated with any molecular outflow nor located within a dense molecular core, and is therefore very unlikely to be a newborn star. The observations are in principle consistent with the radio source being a more evolved T Tauri star undergoing an energetic event, but it could also be an evolved object (an X-ray binary or a microquasar) accidentally passing through the large Orion cloud complex.

Abstract Copyright:

Journal keyword(s): ISM: jets and outflows - ISM: Herbig-Haro objects - ISM: molecules - stars: formation - stars: pre-main sequence - radio lines: ISM

Simbad objects: 5

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Number of rows : 5

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 V* V571 Tau Fl* 03 54 02.1523349881 +24 19 10.013849089           ~ 8 0
2 HH 34 HH 05 35 31.30 -06 28 43.0     16     ~ 468 2
3 NAME Orion Streamers PoC 05 35 41 -06 23.0           ~ 16 0
4 V* V571 Ori Or* 05 35 41.0292522896 -06 22 45.396264541   12.53 14.5   12.430 M0 34 0
5 LDN 1641 MoC 05 39.0 -07 00           ~ 416 0

    Equat.    Gal    SGal    Ecl

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2019.10.21-13:39:49

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