hips_initial_fov = 58.63230142835039 hips_initial_ra = 266.40499479 hips_initial_dec = -28.936173970 creator_did = ivo://CDS/P/2MASS/J hips_pixel_bitpix = -32 data_pixel_bitpix = -32 hips_sampling = bilinear hips_skyval_method = SKYVAL hips_skyval_value = -0.5 100.0 -357.66149139404297 1421.6846084594727 hips_overlay = mean hips_hierarchy = median hips_creator = CDS (Oberto A.) hips_copyright = CNRS/Unistra obs_title = 2MASS J (1.23um) hips_builder = Aladin/HipsGen v11.023 hips_version = 1.4 hips_creation_date = 2014-02-11T11:28Z hips_release_date = 2021-02-24T06:06Z hips_frame = equatorial hips_order = 9 hips_order_min = 0 hips_tile_width = 512 dataproduct_type = image moc_access_url = http://alasky.u-strasbg.fr/2MASS/J/Moc.fits #hips_service_url = http://alasky.u-strasbg.fr/2MASS/J hips_status = public master clonableOnce hips_tile_format = jpeg fits hips_pixel_cut = -0.5 40 hips_data_range = -357.7 1422 obs_collection = The Two Micron All Sky Survey - J band (2MASS J) obs_description = 2MASS has uniformly scanned the entire sky in three near-infrared bands to detect and characterize point sources brighter than about 1 mJy in each band, with signal-to-noise ratio (SNR) greater than 10, using a pixel size of 2.0". This has achieved an 80,000-fold improvement in sensitivity relative to earlier surveys. 2MASS used two highly-automated 1.3-m telescopes, one at Mt. Hopkins, AZ, and one at CTIO, Chile. Each telescope was equipped with a three-channel camera, each channel consisting of a 256x256 array of HgCdTe detectors, capable of observing the sky simultaneously at J (1.25 microns), H (1.65 microns), and Ks (2.17 microns). The University of Massachusetts (UMass) was responsible for the overall management of the project, and for developing the infrared cameras and on-site computing systems at both facilities. The Infrared Processing and Analysis Center (IPAC) is responsible for all data processing through the Production Pipeline, and construction and distribution of the data products. Funding is provided primarily by NASA and the NSF obs_copyright_url = http://www.ipac.caltech.edu/2mass/ obs_ack = University of Massachusetts & IPAC/Caltech bib_reference = 2006AJ....131.1163S bib_reference_url = http://simbad.u-strasbg.fr/simbad/sim-ref?bibcode=2006AJ....131.1163S obs_copyright = University of Massachusetts & IPAC/Caltech #Between 1997 June and 2001 February => MJD=(UnixTime/86400)+40587 ; 1997 June = 865123200 UnixTime ; 2001 February =980985600 UnixTime t_min = 50600 t_max = 51941 obs_regime = Infrared em_min = 1.147E-6 em_max = 1.323E-6 #Lambda 1.235 (+/-0.006), Bandwith 0.162 (+/- 0.001) cf: http://www.ipac.caltech.edu/2mass/releases/allsky/faq.html#reference hips_hierarchy = mean prov_progenitor = IPAC/NASA client_category = Image/Infrared/2MASS hips_builder = Aladin/HipsGen v11.023 hips_pixel_scale = 2.236E-4 s_pixel_scale = 2.777E-4 dataproduct_type = image moc_sky_fraction = 1 hips_estsize = 4593684487 hipsgen_date = 2020-06-16T12:47Z hipsgen_date = 2020-06-22T09:53Z hipsgen_params = in=2MASSj out=Hips-J creator_did=ivo://CDS-test/P/2MASS/J -f "hips_pixel_cut=-0.5 40 log" fading=true skyval=SKYVAL maxthread=64 hips_frame=equatorial JPEG