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         = 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
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em_max               = 6.68312e-7
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hips_order_min       = 0
hips_status          = public master clonableOnce
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dataproduct_type     = image
moc_sky_fraction     = 0.04884
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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
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moc_order            = 11
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obs_initial_dec      = -62.552495
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TIMESTAMP            = 1713938962029