Estimating distances from parallaxes IV: Distances to 1.33 billion stars in Gaia Data Release 2
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645 citations
Cites background from "Estimating distances from parallaxe..."
...…2015; Astraatmadja & BailerJones 2016a) (hereafter papers I and II), and applied it to estimate distances for 2 million stars in the first Gaia data release (Astraatmadja & Bailer-Jones 2016b) (paper III) and 1.33 billion stars in the second Gaia data release (Bailer-Jones et al. 2018) (paper IV)....
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...Our prior is built using a sophisticated model of the Galaxy that includes 3D extinction, but it will not be perfect....
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...Galactic spatial distribution Figure 21 shows the projected distribution of stars in EDR3 in the Galaxy using our distance estimates....
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...S R ] 9 D ec 2 02 0 vary with direction in the Galaxy (Bailer-Jones et al. 2018)....
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...Here we take a probabilistic approach to estimating stellar distances that uses a prior constructed from a three-dimensional model of our Galaxy....
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601 citations
Cites background from "Estimating distances from parallaxe..."
...…billion stars, begins the process of converting the spectrophotometric measurements to distances, proper motions, luminosities, effective temperatures, surface gravities, and elemental compositions (Gaia Collaboration et al. 2018a; Bailer-Jones et al. 2018; Lindegren et al. 2018; Luri et al. 2018)....
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"Estimating distances from parallaxe..." refers background or result in this paper
...A tutorial by one of us (CBJ) describing a simple approach to this can be found in Luri et al. (2018)....
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...Going from a parallax to a distance is also a non-trivial issue, as has been described in several previous works (see Luri et al. 2018 for a recent discussion)....
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...The inverse parallax is known to be a biased and very noisy estimator (e.g. Bailer-Jones 2015; Luri et al. 2018) which tends to overestimates the true distance....
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