ID                   = CDS/P/VPHAS/DR4/Halpha
creator_did          = ivo://CDS/P/VPHAS/DR4/Halpha
obs_title            = VPHAS+ DR4 Halpha filter
obs_collection       = VPHAS+
hips_frame           = equatorial
hips_order           = 11
hips_tile_format     = png fits
hips_tile_width      = 512
hips_release_date    = 2024-04-14T13:33Z
hips_pixel_cut       = 15 300
hips_version         = 1.4
hips_builder         = Montage + Aladin/HipsGen v12.060
hips_initial_fov     = 300.0
hips_initial_ra      = 193.749940
hips_initial_dec     = -62.552495
hips_pixel_bitpix    = -32
hips_sampling        = bilinear
hips_overlay         = overlayMean mergeOverwrite treeMean
hips_creator         = Boch T. (CDS)
hips_copyright       = CNRS/Universite de Strasbourg
obs_description      = The VST Photometric Halpha Survey of the Southern Galactic Plane and Bulge (VPHAS+) is surveying the southern Milky Way in u, g, r, i and Halpha at ?1 arcsec angular resolution. Its footprint spans the Galactic latitude range -5° < b < +5° at all longitudes south of the celestial equator. Extensions around the Galactic Centre to Galactic latitudes ±10° bring in much of the Galactic bulge. This European Southern Observatory public survey, begun on 2011 December 28, reaches down to ?20th magnitude (10?) and provides single-epoch digital optical photometry for ?300 million stars. This HiPS has been built from images from DR4 release ; the background has been globally corrected using Montage, developed at IPAC.
obs_ack              = Based on data obtained from the ESO Science Archive Facility with DOI(s): https://doi.org/10.18727/archive/65 . The VPHAS+ data were produced by the VPHAS+ collaboration. This research made use of Montage; we would like to thank John Good for his valuable advice.
prov_progenitor      = ESO Science Archive ( http://archive.eso.org/wdb/wdb/adp/phase3_main/form?phase3_collection=VPHASplus&release_tag=4 )
bib_reference        = 2014MNRAS.440.2036D
bib_reference_url    = https://ui.adsabs.harvard.edu/abs/2014MNRAS.440.2036D/abstract
obs_copyright        = All data in the ESO archive retain ESO's copyright, and are distributed according to the terms of the Creative Commons Attribution 4.0 International license (CC BY 4.0).
obs_copyright_url    = http://archive.eso.org/cms/eso-data-access-policy.html
client_category      = Image/Optical/VPHAS
obs_regime           = Optical
t_min                = 55924.2424
t_max                = 58342.1077
em_min               = 6.49297e-7
em_max               = 6.68312e-7
hips_creation_date   = 2023-10-10T10:03Z
hips_order_min       = 0
hips_status          = public master clonableOnce
hips_pixel_scale     = 0.229
dataproduct_type     = image
moc_sky_fraction     = 0.04884
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hipsgen_date_76      = 2024-04-08T13:33Z
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hips_service_url     = https://alasky.cds.unistra.fr/VPHAS/CDS_P_VPHAS_DR4_Halpha
hips_service_url_1   = https://alaskybis.cds.unistra.fr/VPHAS/CDS_P_VPHAS_DR4_Halpha
hips_status_1        = public mirror clonableOnce
moc_type             = stmoc
moc_time_order       = 41
moc_time_range       = 6292
moc_order            = 11
obs_initial_ra       = 193.749940
obs_initial_dec      = -62.552495
obs_initial_fov      = 0.028629053431811713
TIMESTAMP            = 1721288498166