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Gaia DR2 Distances to Planetary Nebulae

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Department of Computer Science and Information Technology, Universidade da Coruña (UDC), Campus Elviña sn, 15071 A Coruña, Spain
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CITIC, Centre for Information and Communications Technology Research, Universidade da Coruña, Campus de Elviña sn, 15071 A Coruña, Spain
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Department of Nautical Sciences and Marine Engineering, Universidade da Coruña (UDC), Paseo de Ronda 51, 15011 A Coruña, Spain
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Instituto de Astrofísica de Canarias, 38200 La Laguna, Tenerife, Spain
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Astrophysics Department, Universidad de La Laguna (ULL), CSIC, 38206 La Laguna, Tenerife, Spain
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Applied Physics Department, Universidade de Vigo (UVIGO), Campus Lagoas-Marcosende, s/n, 36310 Vigo, Spain
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Authors to whom correspondence should be addressed.
Galaxies 2020, 8(2), 29; https://doi.org/10.3390/galaxies8020029
Received: 27 February 2020 / Revised: 26 March 2020 / Accepted: 27 March 2020 / Published: 1 April 2020
(This article belongs to the Special Issue Workplans II: Workshop for Planetary Nebula Observations)
The aim of this work is to examine distances to planetary nebulae (PNe) together with other properties that were derived from them, using the astrometry of Gaia Data Release 2 (DR2). We were able to identify 1571 objects classified as PNe, for which we assumed distances calculated following a Bayesian statistical approach. From those objects, we selected a sample of PNe with good quality parallax measurements and distance derivations, which we called Golden Astrometry PNe sample (GAPN). In this paper we will review the physical properties of the stars and nebulae in this subsample of PNe. View Full-Text
Keywords: planetary nebulae; general stars; distances stars; evolution; Hertzsprung-Russell and colour–magnitude diagrams; galaxy; stellar content planetary nebulae; general stars; distances stars; evolution; Hertzsprung-Russell and colour–magnitude diagrams; galaxy; stellar content
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González-Santamaría, I.; Manteiga, M.; Manchado, A.; Ulla, A.; Dafonte, C. Gaia DR2 Distances to Planetary Nebulae. Galaxies 2020, 8, 29.

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