SIMBAD references

2004MNRAS.347.1370G - Mon. Not. R. Astron. Soc., 347, 1370-1378 (2004/February-1)

The bipolarity of the highest Galactic latitude planetary nebula, LoTr 5 (PN G339.9+88.4), around IN Com.

GRAHAM M.F., MEABURN J., LOPEZ J.A., HARMAN D.J. and HOLLOWAY A.J.

Abstract (from CDS):

High-resolution, spatially resolved, long-slit profiles of the [O III] 5007-Å emission line of the highest Galactic latitude planetary nebula, LoTr 5, have been obtained with the Manchester Echelle Spectrometer (MES-SPM) on the San Pedro Martir (SPM) 2.1-m telescope. These are compared with a deep narrow-band [O III] 5007-Å mosaic image obtained with the same system.

This faint nebula, at a distance of ≥500 pc from the Galactic plane, is found to be expanding asymmetrically. Some form of bipolar structure is suggested by modelling the position-velocity arrays of line profiles and the new [O III] 5007-Å image. Interestingly, the modelled bipolar axis is nearly perpendicular to the orbital plane of the IN Com binary system; this supports the theories which predict that binary systems play a part in shaping the outflow.

Evidence for interaction of the envelope of LoTr 5 with its local interstellar medium is also considered.


Abstract Copyright: 2004 RAS

Journal keyword(s): line: profiles - stars: individual: IN Com - ISM: kinematics and dynamics - planetary nebulae: individual: LoTr 5

Simbad objects: 1

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