Publisher: The GAVO DC team / Capability Type: Simple Image Access Protocol and Table Access Protocol

ID:: ivo://org.gavo.dc/apo/res/apo/frames
Title:: Apache Point observations of lensed quasars
Short Name:: apo.frames
Date:: 23 Mar 2022 13:13:04
Publisher:: The GAVO DC team
Description:: Observations of the lensed quasar Q2237+0305 performed between 1995 and 1998.

ID:: ivo://org.gavo.dc/bgds/q/sia
Title:: Bochum Galactic Disk Survey (BGDS) images
Short Name:: bgds sia
Date:: 09 Feb 2023 14:31:11
Publisher:: The GAVO DC team
Description:: The Bochum Galactic Disk Survey is an ongoing project to monitor the stellar content of the Galactic disk in a 6 degree wide stripe centered on the Galactic plane. The data has been recorded since mid-2010 in Sloan r and i simultaneously with the RoBoTT Telecsope at the Universitaetssternwarte Bochum near Cerro Armazones in the Chilean Atacama desert. It contains measurements of about 2x10^7 stars over more than seven years. Additionally, intermittent measurements in Johnson UVB and Sloan z have been recorded as well.

ID:: ivo://org.gavo.dc/boydende/q/data
Title:: Boyden Station ADH Plates in Germany
Short Name:: boydende.data
Date:: 21 Mar 2023 00:03:28
Publisher:: The GAVO DC team
Description:: The Armagh-Dunsink-Harvard Becker-Schmidt Telescope was deployed at Boyden Station, Maselspoort South Africa between 1965 and 1970. During that time, astronomers from Bamberg, Heidelberg, Hamburg and Münster took astronomical images there, with a focus on old star clusters, the Magellanic clouds, and the southern milky way. This service provides scans of the plates obtained.

ID:: ivo://org.gavo.dc/cars/q/cutout
Title:: CARS image cutouts
Short Name:: CARS_cutout
Date:: 23 Mar 2022 13:13:18
Publisher:: The GAVO DC team
Description:: Images and data from from the CFHTLS archive research survey, a multi-band dataset spanning 37 square degrees of sky in high galactic latitudes.

ID:: ivo://org.gavo.dc/fornax/q/c
Title:: Deep Mosaic of the Fornax cluster core
Short Name:: fornax cutout
Date:: 27 Feb 2023 14:52:21
Publisher:: The GAVO DC team
Description:: This is a deep optical mosaic of the Fornax cluster’s core, covering 1.6 square degrees. The data were acquired with ESO/MPG 2.2m/WFI, using a transparent filter that nearly equals the no-filter throughput and thus provides a high signal-to-noise ratio. Based on an approximate conversion to V-band magnitudes, the unbinned and binned mosaics (0.24 and 0.71 arcsec/pixel) reach a median depth of 26.6 and 27.8 mag/sq.arcsec, respectively.

ID:: ivo://org.gavo.dc/__system__/siap2/sitewide
Title:: GAVO Data Center SIAP Version 2 Service
Short Name:: GAVO DC SIA2
Date:: 07 Feb 2024 00:41:32
Publisher:: The GAVO DC team
Description:: The GAVO Data Center's sitewide SIAP version 2 service publishes all the images published through the site. For more advanced queries including uploads, all this data is also available through ObsTAP.

ID:: ivo://org.gavo.dc/lswscans/res/positions/siap
Title:: HDAP -- Heidelberg Digitized Astronomical Plates
Short Name:: hdap_siap
Date:: 31 Oct 2023 19:15:05
Publisher:: The GAVO DC team
Description:: Scans of plates kept at Landessternwarte Heidelberg-Königstuhl. They were obtained at location, at the German-Spanish Astronomical Center (Calar Alto Observatory), Spain, and at La Silla, Chile. The plates cover a time span between 1880 and 1999. Specifically, HDAP is essentially complete for the plates taken with the Bruce telescope, the Walz reflector, and Wolf's Doppelastrograph at both the original location in Heidelberg and its later home on Königstuhl.

ID:: ivo://org.gavo.dc/hppunion/q/im
Title:: Historical Photographic Plate Image Archive
Short Name:: hpp_web
Date:: 23 Mar 2022 13:13:04
Publisher:: The GAVO DC team
Description:: GAVO's historical photographic plate archive (GHHPA) is a collection of various digitized historical photographic plates. It currently exposes: * the scans of plates of selected Kapteyn special fields obtained at Potsdam * the Palomar-Leiden Trojan surveys, 1960-1977, * a collection of plates obtained at Boyden Station, South Africa, kept at various German observatories. Other plate collections kept by GAVO include the Heidelberg Digitized Astronomical Plates HDAP, ivo://org.gavo.dc/lswscans/res/positions/siap, and the APPLAUSE database from Potsdam.

ID:: ivo://org.gavo.dc/liverpool/res/rawframes/rawframes
Title:: Liverpool Quasar Lens Monitoring
Short Name:: liverpool.rawfra
Date:: 20 Apr 2023 00:19:47
Publisher:: The GAVO DC team
Description:: This collection includes optical monitorings of gravitationally lensed quasars. The frames can be used to make light curves of quasar images and field objects. From quasar light curves, one may measure time delays and flux ratios, analyse variability and chromaticity, etc. These direct analyses/measurements are basic tools for different astrophysical studies, e.g., expansion rate of the Universe, mechanism of intrinsic variability in quasars, accretion disk structure, supermassive black holes, dark halos of galaxies (dust, collapsed dark matter, smoothly distributed dark matter,...)

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