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Article: New young planetary nebulae in IPHAS

TitleNew young planetary nebulae in IPHAS
Authors
KeywordsGeneral-Stars
Symbiotic
Surveys-Ism
Planetary-Nebulae
Binaries
Issue Date2009
Citation
Astronomy and Astrophysics, 2009, v. 502, n. 1, p. 113-129 How to Cite?
AbstractAims. We search for very small-diameter galactic planetary nebulae (PNe) representing the earliest phases of PN evolution. The IPHAS catalogue of Hα-emitting stars provides a useful basis for this study since all sources present in this catalogue must be of small angular diameter. Methods. The PN candidates are selected based on their location in two colour-colour diagrams: IPHAS (ŕ - Hα) vs. (ŕ - í), and 2MASS (J - H) vs. (H - Ks). Spectroscopic follow-up was carried out on a sample of candidates to confirm, their nature. Results. We present a total of 83 PN candidates. We were able to obtain spectra or find the classification from, the literature for 35 candidates. Five of these objects are likely to be new PNe, including one large bipolar PN discovered serendipitously close to an emission-line star. PN distances deduced, from extinction-distance relations based on IPHAS field-star photometry are presented for the first time. These yield distance estimates for our objects in the range 2 kpc and 6 kpc. From, the data in hand, we conclude that four of the discovered objects are probably young PNe. © ESO 2009.
Persistent Identifierhttp://hdl.handle.net/10722/208892
ISSN
2014 Impact Factor: 4.378
2015 SCImago Journal Rankings: 2.446

 

DC FieldValueLanguage
dc.contributor.authorViironen, Kerttu-
dc.contributor.authorMampaso, Antonio-
dc.contributor.authorCorradi, Romano L M-
dc.contributor.authorRodríguez, Mónica Ivette-
dc.contributor.authorGreimel, Robert-
dc.contributor.authorSabin, Laurence-
dc.contributor.authorSale, Stuart E.-
dc.contributor.authorUnruh, Yvonne C.-
dc.contributor.authorDelgado-Inglada, Gloria-
dc.contributor.authorDrew, Janet E.-
dc.contributor.authorGiammanco, Corrado-
dc.contributor.authorGroot, Paul J.-
dc.contributor.authorParker, Quentin A.-
dc.contributor.authorSokoloski, Jennifer L.-
dc.contributor.authorZijlstra, Albert A.-
dc.date.accessioned2015-03-23T02:02:05Z-
dc.date.available2015-03-23T02:02:05Z-
dc.date.issued2009-
dc.identifier.citationAstronomy and Astrophysics, 2009, v. 502, n. 1, p. 113-129-
dc.identifier.issn0004-6361-
dc.identifier.urihttp://hdl.handle.net/10722/208892-
dc.description.abstractAims. We search for very small-diameter galactic planetary nebulae (PNe) representing the earliest phases of PN evolution. The IPHAS catalogue of Hα-emitting stars provides a useful basis for this study since all sources present in this catalogue must be of small angular diameter. Methods. The PN candidates are selected based on their location in two colour-colour diagrams: IPHAS (ŕ - Hα) vs. (ŕ - í), and 2MASS (J - H) vs. (H - Ks). Spectroscopic follow-up was carried out on a sample of candidates to confirm, their nature. Results. We present a total of 83 PN candidates. We were able to obtain spectra or find the classification from, the literature for 35 candidates. Five of these objects are likely to be new PNe, including one large bipolar PN discovered serendipitously close to an emission-line star. PN distances deduced, from extinction-distance relations based on IPHAS field-star photometry are presented for the first time. These yield distance estimates for our objects in the range 2 kpc and 6 kpc. From, the data in hand, we conclude that four of the discovered objects are probably young PNe. © ESO 2009.-
dc.languageeng-
dc.relation.ispartofAstronomy and Astrophysics-
dc.subjectGeneral-Stars-
dc.subjectSymbiotic-
dc.subjectSurveys-Ism-
dc.subjectPlanetary-Nebulae-
dc.subjectBinaries-
dc.titleNew young planetary nebulae in IPHAS-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1051/0004-6361/200811575-
dc.identifier.scopuseid_2-s2.0-68349105704-
dc.identifier.volume502-
dc.identifier.issue1-
dc.identifier.spage113-
dc.identifier.epage129-
dc.identifier.eissn1432-0746-

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