New candidate planetary nebulae in the IPHAS survey

The case of planetary nebulae with ISM interaction

Laurence Sabin*, Albert A. Zijlstra, Christopher Wareing, Romano L M Corradi, Antonio Mampaso, Kerttu Viironen, Nicholas J. Wright, Quentin A. Parker

*Corresponding author for this work

Research output: Contribution to journalReview article

25 Citations (Scopus)

Abstract

We present the results of the search for candidate Planetary Nebulae interacting with the interstellar medium (PNISM) in the framework of the INT Photometric H Survey (IPHAS) and located in the right ascension range 1820 h. The detection capability of this new Northern survey, in terms of depth and imaging resolution, has allowed us to overcome the detection problem generally associated to the low surface brightness inherent to PNe-ISM. We discuss the detection of 21 IPHAS PNISM candidates. Thus, different stages of interaction were observed, implying various morphologies i.e. from the unaffected to totally disrupted shapes. The majority of the sources belong to the so-called WZO2 stage which main characteristic is a brightening of the nebula's shell in the direction of motion. The new findings are encouraging as they would be a first step into the reduction of the scarcity of observational data and they would provide new insights into the physical processes occurring in the rather evolved PNe.

Original languageEnglish
Pages (from-to)166-173
Number of pages8
JournalPublications of the Astronomical Society of Australia
Volume27
Issue number2
DOIs
Publication statusPublished - 2010

Keywords

  • General - Surveys
  • ISM - Planetary nebulae

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