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Showing results for: [ Australia Square Kilometre Array Pathfinder ]
This observatory led project will cover the whole southern sky to +40 deg Declination with ASKAP. The survey parameters will be such that observations for the entire region should take of order one we... moreek, with a target RMS of roughly ~0.25 mJy/beam. Multiple passes will be done to cover ASKAP’s full frequency range and additional epochs of the survey are planned to search for transient sources. This survey will provide a unique opportunity to study the radio sky and radio populations, in particular AGN and their role in galaxy evolution. RACS will produce a global sky model for ASKAP, and test operations from data collection and reduction to release.less
Australia Square Kilometre Array Pathfinder - AS110 - The Rapid ASKAP Continuum Survey - Published 21 Sep 2020
These observations will form part of the ASKAP pilot survey program. This is a joint exercise between CASS and the ASKAP Survey Science Teams to conduct a series of observations to learn how to conduc... moret large-scale surveys using the full capabilities of this new telescope. The key goal of the pilot survey program is to establish readiness for full survey operations, including determining and testing observing and processing strategies, and data validation and release. The observations collected here are primarily for DINGO.less
Australia Square Kilometre Array Pathfinder - AS104 - ASKAP Pilot Survey for DINGO - Published 15 Sep 2020
This survey project represents observations made during the ASKAP pilot survey phase but not associated with any of the survey science projects or observatory projects. This could include technical te... morest observations designed to verify new or improved modes of operation and processing, showcase observations designed to demonstrate the capabilities of the telescope, targets of opportunity not covered by an SSP, and possible guest science time, although this is not expected to begin until after the pilot phase has ended and will receive a different code at that time.less
Australia Square Kilometre Array Pathfinder - AS113 - Other ASKAP pilot science including tests, TOOs or guest observations - Published 26 May 2020
ASKAP observation for FEDs of GAMA G-09. Field also covered in XRays by eROSITA.
Australia Square Kilometre Array Pathfinder - AS112 - Survey with ASKAP of GAMA-09 - Published 19 May 2020
These observations will form part of the ASKAP pilot survey program. This is a joint exercise between CASS and the ASKAP Survey Science Teams to conduct a series of observations to learn how to conduc... moret large-scale surveys using the full capabilities of this new telescope. The key goal of the pilot survey program is to establish readiness for full survey operations, including determining and testing observing and processing strategies, and data validation and release. The observations collected here are primarily for GASKAP.less
Australia Square Kilometre Array Pathfinder - AS108 - ASKAP Pilot Survey for GASKAP - Published 01 May 2020
These observations will form part of the ASKAP pilot survey program. This is a joint exercise between CASS and the ASKAP Survey Science Teams to conduct a series of observations to learn how to conduc... moret large-scale surveys using the full capabilities of this new telescope. The key goal of the pilot survey program is to establish readiness for full survey operations, including determining and testing observing and processing strategies, and data validation and release. The observations collected here are primarily for VAST.less
Australia Square Kilometre Array Pathfinder - AS107 - ASKAP Pilot Survey for VAST - Published 28 Mar 2020
These observations will form part of the ASKAP pilot survey program. This is a joint exercise between CASS and the ASKAP Survey Science Teams to conduct a series of observations to learn how to conduc... moret large-scale surveys using the full capabilities of this new telescope. The key goal of the pilot survey program is to establish readiness for full survey operations, including determining and testing observing and processing strategies, and data validation and release. The observations collected here are primarily for POSSUM.less
Australia Square Kilometre Array Pathfinder - AS103 - ASKAP Pilot Survey for POSSUM - Published 24 Feb 2020
These observations will form part of the ASKAP pilot survey program. This is a joint exercise between CASS and the ASKAP Survey Science Teams to conduct a series of observations to learn how to conduc... moret large-scale surveys using the full capabilities of this new telescope. The key goal of the pilot survey program is to establish readiness for full survey operations, including determining and testing observing and processing strategies, and data validation and release. The observations collected here are primarily for WALLABY.less
Australia Square Kilometre Array Pathfinder - AS102 - ASKAP Pilot Survey for WALLABY - Published 18 Feb 2020
This collection contains two spectral image cubes of the LGG 351 group. The image cubes consist of 23 ASKAP beams and 7 MHz of bandwidth (1396.57 to 1403.56 MHz, with a resolution of 18.5 kHz). The sk... morey coverage is 13:24:00 < RA < 13:38:00 and -26:30:00 < DEC < -33:30:00. One of the spectral cubes has 45"x35" synthesized beam, which is used in For et al. 2019, MNRAS DOI: 10.1093/mnras/stz2501 . The other spectral cube has synthesized beam of 26"x19". less
Australia Square Kilometre Array Pathfinder - AS035 - ASKAP Early Science Widefield HI Survey - Published 12 Dec 2019
We will carry out high spectral resolution observations of the Large Magellanic Cloud with at least 12 antennas of the Australian SKA Pathfinder (ASKAP) telescope. This will be prefaced by a small pil... moreot program (possibly starting with a smaller bandwidth) to prepare software and techniques. The data collected will primarily serve the GASKAP survey team but data products will be released into the CSIRO ASKAP Science Data Archive (CASDA) for general use. less
Australia Square Kilometre Array Pathfinder - AS037 - ASKAP Early Science at High Spectral Resolution - Published 04 Nov 2019
This survey is designed to test and develop ASKAP’s capability to rapidly follow up on gravitational wave detections. When observatories such as LIGO issue event notifications, they will be assessed f... moreor the likelihood of a radio counterpart and a target of opportunity event triggered if the chance of detection is high (e.g. in the case of a double neutron star merger). Gravitational wave events often have a large angular uncertainty in their direction of origin, so ASKAP’s wide field of view makes it extremely effective at following up these events. Data processing strategies are similar to those of the VAST survey.less
Australia Square Kilometre Array Pathfinder - AS111 - ASKAP Pilot Survey for Gravitational Wave Counterparts - Published 19 Aug 2019
These observations will form part of the ASKAP pilot survey program. This is a joint exercise between CASS and the ASKAP Survey Science Teams to conduct a series of observations to learn how to conduc... moret large-scale surveys using the full capabilities of this new telescope. The key goal of the pilot survey program is to establish readiness for full survey operations, including determining and testing observing and processing strategies, and data validation and release. The observations collected here are primarily for EMU.less
Australia Square Kilometre Array Pathfinder - AS101 - ASKAP Pilot Survey for EMU - Published 09 Aug 2019
A mosaicked spectral image cube of IC 5201 and its satellites. The cube is comprised of 4 ASKAP beams, consisting of 650 channels that span 12 MHz (1408.5 - 1420.5) of bandwidth, with a resolution of ... more18.5 kHz. The cube is ~ 2.2 x 2.2 deg, with IC 5021 located near the centre. This spectral image cube is presented in Kleiner et al. (2019), with a detailed description of the data processing in Section 5.less
Australia Square Kilometre Array Pathfinder - AS035 - ASKAP Early Science Widefield HI Survey - Published 05 Jul 2019
These data are a combined mosaic of two overlapping ASKAP tiles covering the GAMA-23 field. The following is copied from the validation notes of the source SBIDs and also apply to these data. These ... moredata represent a test observation with the full ASKAP array. While it may be useful for science purposes the primary goal of the release is to seek feedback on data quality from the science community. Although the image approaches expected noise levels in most areas, a common feature of early ASKAP data has been some low-level artefacts (at ~1%) very close to bright sources (a few hundred mJy and above). These artefacts generally appear as radial stripes and rapidly fade away from the source. The origin of these artefacts is yet to be determined, but they do not seem to emulate any known instrumental effect taken into account in commonly used wideband/widefield calibration and imaging software packages (such as ASKAPsoft, casa etc.). The spectral indices given in the catalogues were derived from Taylor-term imaging, which is a technique not yet widely used in radio astronomy. It has been identified that the distribution of the spectral indices in these catalogues deviates significantly from expectations for reasons that are not yet understood. Fitting spectra to sources in the continuum cubes is recommended to attain more reliable spectral indices. While the commissioning team investigates the cause of these issues in detail, we do not wish to hold the release of otherwise good quality data. Hence these test observations are being released, but with the validation flag set to “uncertain” — meaning user discretion is necessary in the interpretation for science purposes. Users should perform their own analysis of the flux scale, source positions and spectral indices given. The ASKAP operations team would be glad to receive feedback on any issues discovered.less
Australia Square Kilometre Array Pathfinder - AS034 - ASKAP Early Science Broadband Survey - Published 19 Jun 2019
