Please use this identifier to cite or link to this item:
http://hdl.handle.net/2248/4369
Title: | Thick disk planetary nebulae |
Authors: | Baliga, J. K Mallik, D. C. V |
Keywords: | Planetary Nebulae Nebulae Thick Disk Galaxy |
Issue Date: | 2006 |
Publisher: | International Astronomical Union |
Citation: | Michael J. Barlow and Roberto H. Méndez., eds., Planetary Nebulae in our Galaxy and Beyond, Proceedings of the International Astronomical Union Symposium. No. 234, pp. 363 - 364 |
Series/Report no.: | International Astronomical Union Symposium;No. 234 |
Abstract: | In this work we attempt to find Planetary Nebulae(PNe) belonging to the thick disk population of the Galaxy, based on the proper motion and radial velocity data of the objects available in literature, by using a simulation and Bayesian likelihood analysis. Making use of the established kinematical properties of the thick disk/thin disk/halo (TD/D/H) population of the Galaxy, we compute likelihoods of TD/D/H membership of 66 nebulae by fully taking into account the uncertainties associated with their proper motion and radial velocity data. We find 12 candidate PNe whose probability of belonging to the thick disc is 80% or greater, of which 9 PNe have a TD membership probability greater than 90%. Spectroscopy of the TD candidates is being planned and we hope this will shed light on the chemical characteristics of the TD population of the Galaxy, in the context of Planetary nebulae. |
Description: | Restricted Access |
URI: | http://hdl.handle.net/2248/4369 |
Appears in Collections: | IIAP Publications |
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Thick disk planetary nebulae Restricted Access | Restricted Access | 81.21 kB | Adobe PDF | View/Open Request a copy |
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