IPP Software Navigation Tools IPP Links Communication Pan-STARRS Links

Changeset 40601 for trunk


Ignore:
Timestamp:
Jan 9, 2019, 4:36:43 PM (8 years ago)
Author:
eugene
Message:

improve PS1 background discussion

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/doc/release.2015/ps1.detrend/detrend.tex

    r40580 r40601  
    133133%% * check on total size vs arxiv limits
    134134
    135 \section{Introduction and Survey Description}
    136 
    137 This is the third in a series of seven papers describing the Pan-STARRS1
    138 Surveys,
    139 the data reduction techniques and the resulting data products. This paper (Paper III)
    140 describes the details of the pixel processing algorithms, including
    141 detrending, warping, adding (to create stacked images), and subtracting
    142 (to create difference images), along with the resulting image products and their
    143 properties.
    144 \citet[][Paper I]{chambers2017} provide an overview of the Pan-STARRS System, the
    145 design and execution of the Surveys, the resulting image and catalog data
    146 products, a discussion of the overall data quality and basic
    147 characteristics, and a brief summary of important results.
     135\section{Introduction}
     136
     137The 1.8m Pan-STARRS\,1 telescope is located on the summit of Haleakala
     138on the Hawaiian island of Maui.  The wide-field optical design of the
     139telescope \citep{2004SPIE.5489..667H} produces a 3.3 degree field of view with
     140low distortion and minimal vignetting even at the edges of the
     141illuminated region.  The optics and natural seeing combine to yield
     142good image quality: 75\% of the images have full-width half-max values
     143less than (1.51, 1.39, 1.34, 1.27, 1.21) arcseconds for (\grizy), with
     144a floor of $\sim 0.7$ arcseconds.
     145
     146The \PSONE\ camera \citep{2009amos.confE..40T}, known as GPC1, consists of a
     147mosaic of 60 back-illuminated CCDs manufactured by Lincoln Laboratory.
     148The CCDs each consist of an $8\times8$ grid of $590 \times 598$
     149pixel readout regions, yielding an effective $4846 \times 4868$
     150detector.  Initial performance assessments are presented in
     151\cite{2008SPIE.7014E..0DO}.  Routine observations are conducted remotely from the
     152Advanced Technology Research Center in Kula, the main facility of the
     153University of Hawaii's Institute for Astronomy (IfA) operations on Maui.
     154The Pan-STARRS1 filters and photometric system have already been
     155described in detail in \cite{2012ApJ...750...99T}.
     156
     157For nearly 4 years, from 2010 May through 2014 March, this telescope
     158was used to perform a collection of astronomical surveys under the
     159aegis of the Pan-STARRS Science Consortium.  The majority of the time
     160(56\%) was spent on surveying the $\frac{3}{4}$ of the sky north of
     161$-30$ Declination with \grizy\ filters in the so-called $3\pi$ Survey.
     162Another $\sim 25\%$ of the time was concentrated on repeated deep
     163observations of 10 specific fields in the Medium-Deep Survey.  The
     164rest of the time was used for several other surveys, including a
     165search for potentially hazardous asteroids in our solar system.  The
     166details of the telescope, surveys, and resulting science publications
     167are described by \cite{chambers2017}.  The Pan-STARRS1 filters and
     168photometric system has already been described in detail in
     169\cite{2012ApJ...750...99T}.
     170
     171Pan-STARRS produced its first large-scale public data release, Data
     172Release 1 (DR1) on 16 December 2016.  DR1 contains the results of the
     173third full reduction of the Pan-STARRS $3\pi$ Survey archival data,
     174identified as PV3.  Previous reductions \citep[PV0, PV1, PV2;
     175  see][]{magnier2017.datasystem} were used internally for pipeline
     176optimization and the development of the initial photometric and
     177astrometric reference catalog \citep{magnier2017.calibration}.  The
     178products from these reductions were not publicly released, but have
     179been used to produce a wide range of scientific papers from the
     180Pan-STARRS 1 Science Consortium members \citep{chambers2017}.  DR1
     181contained only average information resulting from the many individual
     182images obtained by the $3\pi$ Survey observations.  A second data
     183release, DR2, was made available \note{20 January 2019}.  DR2 provides
     184measurements from all of the individual exposures, and include an
     185improved calibration of the PV3 processing of that dataset.
     186
     187This is the third in a series of seven papers describing the
     188Pan-STARRS1 Surveys, the data reduction techniques and the resulting
     189data products. This paper (Paper III) describes the details of the
     190pixel processing algorithms, including detrending, warping, adding (to
     191create stacked images), and subtracting (to create difference images),
     192along with the resulting image products and their properties.
     193
     194%Chambers et al. 2017 (Paper I)
     195%The Pan-STARRS\,1 Surveys
     196\citet[][Paper I]{chambers2017} provide an overview of the Pan-STARRS
     197System, the design and execution of the Surveys, the resulting image
     198and catalog data products, a discussion of the overall data quality
     199and basic characteristics, and a brief summary of important results.
     200
    148201%Magnier et al. 2017 (Paper II)
    149202%Pan-STARRS Data Processing Stages
    150 \citet[][Paper II]{magnier2017.datasystem}
    151 describe how the various data processing stages are organized and
    152 implemented
    153 in the Imaging Processing Pipeline (IPP), including details of the
    154 the processing database which is a critical element in the IPP
    155 infrastructure.
     203\citet[][Paper II]{magnier2017.datasystem} describe how the various
     204data processing stages are organized and implemented in the Imaging
     205Processing Pipeline (IPP), including details of the the processing
     206database which is a critical element in the IPP infrastructure.
     207
    156208%Waters et al. 2017 (Paper III)
    157209%Pan-STARRS Pixel Processing : Detrending, Warping, Stacking
    158210%\citet[][Paper III]{waters2017}
     211% THIS PAPER
     212
    159213%Magnier et al. 2017 (Paper IV)
    160214%Pan-STARRS Pixel Analysis : Source Detection
    161 \citet[][Paper IV]{magnier2017.analysis}
    162 describe the details of the source detection and photometry, including
    163 point-spread-function and extended source fitting models, and the
    164 techniques for ``forced'' photometry measurements.
     215\citet[][Paper IV]{magnier2017.analysis} describe the details of the
     216source detection and photometry, including point-spread-function and
     217extended source fitting models, and the techniques for ``forced''
     218photometry measurements.
     219
    165220%Magnier et al. 2017 (Paper V)
    166221%Pan-STARRS Photometric and Astrometric Calibration
    167 \citet[][Paper V]{magnier2017.calibration}
    168 describe the final calibration process, and the resulting photometric and
    169 astrometric quality.
     222\citet[][Paper V]{magnier2017.calibration} describe the final
     223calibration process, and the resulting photometric and astrometric
     224quality.
     225
    170226%Flewelling et al. 2017 (Paper VI)
    171227%Pan-STARRS 1 Database and Data Products
     
    173229describe the details of the resulting catalog data and its organization
    174230in the Pan-STARRS database.
    175 %
    176 %
    177 \citet[][Paper VII]{huber2017}
     231
    178232%Huber et al. 2017 (Paper VII)
    179 describe the Medium Deep Survey in detail, including the unique issues and
    180 data products specific to that survey. The Medium Deep Survey is not part
    181 of Data Release 1. (DR1)
    182 The Pan-STARRS1 filters and photometric system has already been described
    183 in detail in \cite{2012ApJ...750...99T}.
    184 
    185 The Pan-STARRS 1 Science Survey uses the 1.4 gigapixel GPC1 camera
     233\citet[][Paper VII]{huber2017} describe the Medium Deep Survey in
     234detail, including the unique issues and data products specific to that
     235survey. The Medium Deep Survey is not part of Data Releases 1 or 2 and
     236will be made available in a future data release.
     237
     238% \note{DS notes fonts are not consistent for keywords, etc}
     239
     240\section{Background}
     241
     242The Pan-STARRS 1 Science Survey used the 1.4 gigapixel GPC1 camera
    186243with the PS1 telescope on Haleakala Maui to image the sky north of
    187244$-30^\circ$ declination.  The GPC1 camera is composed of 60 orthogonal
     
    193250needed to ensure the response is consistent across the entire seven
    194251square degree field of view.
    195 
    196 \note{DS notes fonts are not consistent for keywords, etc}
    197 
    198 %The Processing Version 3 (PV3) reduction represents the third full
    199 DR1 contains the results of the third full reduction of the Pan-STARRS
    200 archival data, idenfied as PV3.  Previous reductions \citep[PV0, PV1,
    201   PV2; see][]{magnier2017.datasystem}
    202 were used internally for pipeline optimization and the development of
    203 the initial photometric and astrometric reference catalog
    204 \citep{magnier2017.calibration}.  The products from these reductions
    205 were not publicly released, but have been used to produce a wide range
    206 of scientific papers from the Pan-STARRS 1 Science Consortium members
    207 \citep{chambers2017}.
    208252
    209253The Pan-STARRS image processing pipeline (IPP) is described elsewhere
Note: See TracChangeset for help on using the changeset viewer.