4,486 Hits in 2.6 sec

Collaborative Astronomical Image Mosaics [article]

Daniel S. Katz, G. Bruce Berriman, Robert G. Mann
2010 arXiv   pre-print
This chapter also describes the scientific need for one common image processing task, that of composing individual images into large scale mosaics and introduces Montage as a tool for this task.  ...  This chapter describes how astronomical imaging survey data have become a vital part of modern astronomy, how these data are archived and then served to the astronomical community through on-line data  ...  astronomical image mosaics.  ... 
arXiv:1011.5294v1 fatcat:4jecgan37rbfjdoow34r4vwkbi

Astrometry test of MSCRED IRAF software package

R. Popescu, P. Popescu, P. Paraschiv, A. Nedelcu
2005 Serbian Astronomical Journal  
Dithered images are resampled and reansambled into a single larger image for which the World Coordinate System (WCS) solution is recomputed and investigated.  ...  Astrometric properties of images obtained using MSCRED IRAF software package are investigated.  ...  We'd like to thank them for their collaboration. The observational program was supported in the framework of UNESCO-ROSTE project.  ... 
doi:10.2298/saj0570123p fatcat:hndadkdd6vej3kqa7o62sj6n6a

A Dual CCD Mosaic Camera System Searching for Massive Compact Halo Objects (Machos)

Kem H. Cook
1995 Symposium - International astronomical union  
A two by two mosaic of 2048 × 2048 pixel CCDs in each focal plane provides simultaneous images of 0.5 square degrees.  ...  The Macho Collaboration uses a dedicated 1.27-m telescope (The Great Melbourne Telescope) at Mount Stromlo to make photometric measurements of tens of millions of stars per night searching for the gravitational  ...  How do you get image data from Mt. Stromlo to LLNL? COOK: Images are archived on eight mm exabyte tapes, and copies are distributed to the various collaboration sites.  ... 
doi:10.1017/s0074180900056539 fatcat:gd7ui37vsrhbvp5gukba4sj3by

PtSi IR Array in Mosaic Configuration

Munetaka Ueno, Fumiaki Tsumuraya, Yoshihiro Chikada
1995 Symposium - International astronomical union  
The efficiency of the mosaic infrared camera and power of the 8-m telescope have a strong potential to meet challenging problems.  ...  Infrared two-dimensional sensors make possible not only the imaging observations but a deep detection limit.  ...  We can put our mosaic camera simply at the prime focus if we would like to make wide field imagings.  ... 
doi:10.1017/s0074180900056357 fatcat:mkirc3pjfvblrjdnihfskrwfga

An Imaging Survey of the Galactic H-Alpha Emission with Arcminute Resolution

B. Dennison, J.H. Simonetti, G.A. Topasna, C. Kelleher
1998 Symposium - International astronomical union  
Our instrument, the Virginia Tech Spectral Line Imaging Camera (SLIC) utilizes a fast objective lens (f/1.2) with a cryogenically-cooled TK 512×512 CCD.  ...  These are available as GIF and JPEG images at our web site. The mosaics are presented in a nonlinear display to show qualitatively the detailed structure.  ...  We are presently calibrating the existing observations and shall soon make them available as FITS images at our web site: http ://www. phys. vt. edu/~astrophy/halpha. html We have also constructed mosaics  ... 
doi:10.1017/s0074180900128530 fatcat:aamgqytofjcn3et75ac6ewfx4e

An Extended Radio Counterpart of TeV J2032+4130?

Y. M. Butt, J. A. Combi, J. Drake, J. P. Finley, A. Konopelko, M. Lister, J. Rodriguez, D. Shepherd
2007 AIP Conference Proceedings  
We carried out a 5-pointing mosaic observation of TeV J2032+4130 at 1.4 and 4.8 GHz with the VLA in April of 2003.  ...  The resulting 6cm data were reduced with the Common Astronomy Software Applications (CASA) software and imaged with Astronomical Information Processing Software (AIPS++).  ...  A 4.8GHz VLA mosaic image of the five pointings towards TeV J2032+4130. The total diffuse flux density is ~225 mJy.  ... 
doi:10.1063/1.2757386 fatcat:z7aktkdi4razdgzc6452ji456a

Ten years of software sustainability at the Infrared Processing and Analysis Center

G. B. Berriman, J. Good, E. Deelman, A. Alexov
2011 Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences  
mosaic engine for astronomy.  ...  more than 40 missions and projects, to support a complete modernization of a powerful and unique legacy astronomy application for co-adding survey data, and to support deployment of M ONTAGE, a powerful image  ...  [27] have described how Web 2.0 can encourage MONTAGE users to collaborate and share and information. One approach would be collaborative building of wide-area atlases of image mosaics.  ... 
doi:10.1098/rsta.2011.0136 pmid:21768146 fatcat:i4mkq2nxgnedpoxfccqccn34wy

Possible Collaborative Network with Small Telescopes and a Standard CCD in Japan

Syuzo Isobe
1995 International Astronomical Union Colloquium  
If we develop a simple-to-handle detector system, non-professional observers at each public observatory would have the possibility of joining a collaborative survey network.  ...  A much more efficient way to popularize astronomy and astronomical observations is to prepare a collaborative survey network with a simple to use detector system for the staff at the public observatories  ...  observations by astronomers.  ... 
doi:10.1017/s025292110002248x fatcat:uwpds7esuvfvvkeiyz7icbmlli

Prototype development for a Hubble Legacy Archive

Bradley C. Whitmore, Helmut Jenkner, Warren Miller, Anton M. Koekemoer
2006 Proceedings of the International Astronomical Union  
(c) providing 'real time' access to the data; (d) adding a cutout service for super-fast access; (e) providing more extensive 'composite images', e.g., stacked images, mosaics, . . . ; (f) improving absolute  ...  At the top level will be mosaics that combine all data sets of a given target to achieve the widest possible field of view.  ... 
doi:10.1017/s174392130701188x fatcat:s7aa7s6uvbe2rgygxdxdstxnoa

Mega-Archive and the EURONEAR tools for datamining world astronomical images

O. Vaduvescu, L. Curelaru, M. Popescu
2019 Astronomy and Computing  
The world astronomical image archives represent huge opportunities to time-domain astronomy sciences and other hot topics such as space defense, and astronomical observatories should improve this wealth  ...  To constrain the area to search moving or fixed objects in images taken by large mosaic cameras, we built the graphical tools FindCCD and FindCCD for Fixed Objects which overlay the targets across one  ...  The largest astronomical observatories or their collaborating institutions provide simple web searching tools or more sophisticated services which allow searches of fixed objects in their image archives  ... 
doi:10.1016/j.ascom.2019.100356 fatcat:caxklxbsefhyrelyfzlgkl5nla

The Maryland-NOAO Instrument Partnership (2003-2009) [article]

Sylvain Veilleux
2009 arXiv   pre-print
In this article, we briefly describe the positive impact this partnership has had on Maryland, NOAO, and the astronomical community.  ...  Of the proposals that were selected, one came from the University of Maryland with the goals of helping NOAO complete the development, construction, and deployment of a new, wide-field, near-IR imager  ...  NOAO and the astronomical community have benefited from the use of Maryland resources and staff to support the development of NEWFIRM; the One Degree Imager (ODI), an innovative, wide-field optical imager  ... 
arXiv:0906.3176v1 fatcat:oijgxlehjnd4zlrascgw3k5xgq

Star Image Identification and Characterization on Astrographic Plates

A. López García, A. Ortiz Gil, J.M. Martínez González, V. Yershov
1994 Symposium - International astronomical union  
The automatic identification and characterization of star images has great value for the preliminary analysis and measurement of astrographic plates.  ...  We are also applying this method to the processing of astrographic plates with crowded stellar fields and non-stellar objects in collaboration with the Pulkovo Observatory.  ...  The strategy in this case includes the production of an image mosaic, whose dimensions will depend on the characteristics of optical system.  ... 
doi:10.1017/s0074180900047367 fatcat:p373nunu3nghrgs4txyqyav2o4

Are Tiled Display Walls Needed for Astronomy?

Bernard F. Meade, Christopher J. Fluke, Steven Manos, Richard O. Sinnott
2014 Publications Astronomical Society of Australia  
We test this concept by presenting sample images to astronomers and non-astronomers using a standard desktop display (SDD) and a TDW.  ...  These samples include standard English words, wide field galaxy surveys and nebulae mosaics from the Hubble telescope.  ...  collaborative pairs of non-astronomers (bottom panel).  ... 
doi:10.1017/pasa.2014.29 fatcat:agxwl6lvu5dylo3g4d4zeblmqm


Timothy M. C. Abbott, Dennis Crabtree, Craig D. Mackay, Christopher G. Tinney
2007 Proceedings of the International Astronomical Union  
Community focus is on the deployment of large mosaics (up to 108 pixels) to telescopes, the pursuit of programs to build next generation mosaics (of order 109 pixels), and the investigation of novel variations  ...  Nevertheless, NOAO has established the collaborative, open source controller program, Monsoon.  ...  The proceedings of all of these conferences provide excellent road maps for following ongoing developments in astronomical detector technology.  ... 
doi:10.1017/s174392130802406x fatcat:4v76nadxz5brlbaxxzphpacie4

The CASA software for radio astronomy: status update from ADASS 2019 [article]

B. Emonts, C.E. Garcia-Dabo, K. Golap, R. Miel, J. Ott, N. Schweighart, A. Wells
2019 arXiv   pre-print
These proceedings of the 2019 Astronomical Data Analysis Software & Systems (ADASS) conference give an update of the CASA project, and detail how these new developments will enhance user experience of  ...  The CASA software can process data from both single-dish and aperture-synthesis telescopes, and one of its core functionalities is to support the data reduction and imaging pipelines for ALMA, VLA and  ...  CASA is developed by an international consortium of scientists based at the National Radio Astronomical Observatory (NRAO), the European Southern Observatory (ESO), the National Astronomical Observatory  ... 
arXiv:1912.09437v1 fatcat:lzub52gosjbt7ed6yclz7lstdq
« Previous Showing results 1 — 15 out of 4,486 results