ID = CDS/P/3D-Dust-Bayestar19
hips_initial_fov = 60
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hips_initial_dec = 29.0078055
creator_did = ivo://CDS/P/3D-Dust-Bayestar19
hips_creator = Boch T. (CDS)
hips_copyright = CNRS/Universite de Strasbourg
obs_title = Reddening (E(B-V)) Map (Green et al. 2019)
obs_description = Bayestar 2019 is a new three-dimensional map of dust reddening, based on Gaia parallaxes and stellar photometry from Pan-STARRS 1 and 2MASS. This map covers the sky north of a declination of -30deg, out to a distance of several kiloparsecs. This new map contains three major improvements over our previous work. First, the inclusion of Gaia parallaxes dramatically improves distance estimates to nearby stars. Second, we incorporate a spatial prior that correlates the dust density across nearby sightlines. This produces a smoother map, with more isotropic clouds and smaller distance uncertainties, particularly to clouds within the nearest kiloparsec. Third, we infer the dust density with a distance resolution that is four times finer than in our previous work, to accommodate the improvements in signal-to-noise enabled by the other improvements.
prov_progenitor = Dataverse
prov_progenitor_url = https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/2EJ9TX
bib_reference = 10.1051/0004-6361/201834695
bib_reference_url = https://doi.org/10.1051/0004-6361/201834695
obs_copyright_url = http://argonaut.skymaps.info/
hips_builder = Aladin/HipsGen v10.130
hips_version = 1.4
hips_release_date = 2019-09-19T09:46Z
hips_frame = galactic
hips_order = 3
hips_order_min = 0
hips_tile_width = 128
hips_status = public master clonableOnce
hips_tile_format = png fits
hips_pixel_scale = 0.05726
dataproduct_type = cube
hips_cube_depth = 120
hips_cube_firstframe = 60
data_cube_crpix3 = 0
data_cube_crval3 = 1.79934
data_cube_cdelt3 = 0.0252101
data_cube_cunit3 = 'pc-LOG'
data_bunit = 'E(B-V)'
moc_sky_fraction = 0.764
hips_estsize = 8722800
hipsgen_date = 2019-09-19T09:42Z
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hips_creation_date = 2019-09-19T09:42Z
hips_pixel_bitpix = -32
hipsgen_date_1 = 2019-09-19T09:46Z
hipsgen_params_1 = out=hips/cube UPDATE
hips_service_url = https://alasky.cds.unistra.fr/Bayestar19
hips_service_url_1 = https://alaskybis.cds.unistra.fr/Bayestar19
hips_status_1 = public mirror clonableOnce
client_category = Cube
moc_type = smoc
moc_order = 7
obs_initial_ra = 266.4168333
obs_initial_dec = 29.0078055
obs_initial_fov = 0.4580648549089874
TIMESTAMP = 1696438160334