hips_doi             = 10.26093/cds/aladin/8txd-c4
hips_initial_fov     = 102.08333
hips_initial_ra      = 196.43333
hips_initial_dec     = +8.55417
creator_did          = ivo://CDS/P/ACT2/DR4/CMB
hips_pixel_bitpix    = -64
data_pixel_bitpix    = -64
hips_sampling        = bilinear
hips_overlay         = mean
hips_hierarchy       = median
hips_creator         = Buga M. (CDS)
hips_copyright       = CNRS/Unistra
obs_title            = ACT2 DR4 CMB
obs_collection       = ACT2 DR4 CMB
obs_description      = The Atacama Cosmology Telescope (ACT) is a six-meter diameter telescope on Cerro Toco in the Atacama Desert of northern Chile (image above by Jon Ward). It is designed to make high-resolution measurements of the cosmic microwave background (CMB) temperature and polarization anisotropies and detect massive galaxy clusters via the thermal Sunyaev Zel'dovich (tSZ) effect. Reconstruction of the CMB lensing potential will play a key role in the cosmological detection of neutrino mass, and measuring the imprint of primordial gravitational waves in B-mode polarization could provide unique insights into the early universe and quantum nature of gravity. The majority of the DR4 products use data collected from 2013-16. DR4 also includes data collected from 2008-10. The second-generation, polarization-sensitive receiver ACTPol observed between 2013 and 2016. The four-year survey consists of 17,000 square degrees of the sky mapped at 98 and 150 GHz, with the deepest 600 square degrees at a noise < 10 uK-arcmin.
#obs_ack             = Acknowledgement mention
prov_progenitor      = https://lambda.gsfc.nasa.gov/product/act/actpol_prod_table.cfm
bib_reference        = 2020PhRvD.102b3534M
bib_reference_url    = https://ui.adsabs.harvard.edu/abs/2020PhRvD.102b3534M/abstract 
obs_copyright        = LAMBDA HEASARC
obs_copyright_url    = https://lambda.gsfc.nasa.gov/
t_min                = 54466.6
t_max                = 57386.2
obs_regime           = Radio
client_category      = Image/Radio/ACT

em_min               = 0.00199861
em_max               = 0.00305910
hips_builder         = Aladin/HipsGen v11.037
hips_version         = 1.4
hips_release_date    = 2021-04-12T09:58Z
hips_frame           = equatorial
hips_order           = 4
hips_order_min       = 0
hips_tile_width      = 512
#hips_service_url    = ex: http://yourHipsServer/ACT2 DR4 CMB
hips_status          = public master clonableOnce
hips_tile_format     = png fits
hips_pixel_cut       = -327.4 361.3
hips_data_range      = -1135 1066
hips_pixel_scale     = 0.007157
s_pixel_scale        = 0.008333
dataproduct_type     = image
moc_sky_fraction     = 0.1165
hips_estsize         = 1040298
hipsgen_date         = 2021-04-12T09:58Z
hipsgen_params       = in=/data-local-zfs/buga/ACT/images_component_separated_maps/images/images/tilec_single_tile_REGION_cmb_map_v1_2_0_joint_fits/ out=HipS_CMB/ creator_did=CDS/P/ACT2/DR4/CMB verbose=4 BLANK=0
hips_creation_date   = 2021-04-12T09:58Z