scholarly journals An off-axis, wide-field, diffraction-limited, reflective Schmidt Telescope

2010 ◽  
Author(s):  
Will Saunders
Keyword(s):  
Wide Field ◽  
Schmidt Telescope

scholarly journals Deep Wide-field Hα Images of the Magellanic Clouds

1999 ◽  
Vol 190 ◽  
pp. 95-96
Author(s):  
D. H. Morgan ◽  
Q. A. Parker ◽  
S. Phillipps
Keyword(s):  
Emission Line ◽  
Magellanic Clouds ◽  
Wide Area ◽  
Wide Field ◽  
Schmidt Telescope ◽  
Preliminary Results ◽  
Fine Grained ◽  
The Uk

A new Hα survey of the Magellanic Clouds which is being carried out on fine-grained Tech-Pan emulsion with the UK 1.2m Schmidt Telescope will have the best combination of depth and resolution of any that cover such a wide area in and around the Magellanic Clouds. Preliminary results show that the films will provide identifications of new emission-line stars and nebulae.

scholarly journals A Deep Wide Field Survey from Digitally Stacked Schmidt Plates

1995 ◽  
Vol 148 ◽  
pp. 192-199
Author(s):  
M. R. S. Hawkins
Keyword(s):  
Field Survey ◽  
Wide Field ◽  
Large Set ◽  
Proper Motions ◽  
Brown Dwarf ◽  
Schmidt Telescope ◽  
Expected Gain ◽  
Low Mass ◽  
The Many

AbstractA large set of exposures of a single UK Schmidt Telescope field has been obtained, covering five colour bands over 18 years. Techniques have been developed for combining digitised data from many plates. The results of adding 64 exposures in Bj and R are demonstrated showing that the expected gain of ~ 2.5 magnitudes in limiting magnitude are achieved. By combining various subsets of the data, proper motions and variability can be determined. Two examples of the many possible uses of the dataset are given: the discovery of low mass brown dwarf candidates using colours and proper motions, and of quasars using variability and colours.

scholarly journals A Large Reflective Schmidt Telescope for Antarctica

2005 ◽  
Vol 13 ◽  
pp. 958-959
Author(s):  
Will Saunders ◽  
Andrew McGrath
Keyword(s):  
Low Cost ◽  
Wide Field ◽  
Simple Design ◽  
Schmidt Telescope ◽  
Fixed Axis

AbstractWe present a simple design for a 16 metre, wide-field, fixed-axis, all-reflective, low cost f/4 Schmidt telescope to take advantage of the unique advantages of Antarctica as an Optical/IR site.

scholarly journals Wide Field Imaging and Photometry by 2k × 2k CCD

1994 ◽  
Vol 161 ◽  
pp. 17-19
Author(s):  
J.-S. Chen
Keyword(s):  
Field Of View ◽  
Large Field ◽  
Wide Field ◽  
List Type ◽  
Schmidt Telescope ◽  
Compressed Images ◽  
Basic Performance ◽  
Uv Coating ◽  
Field Imaging ◽  
Wide Field Imaging

The Ford Aerospace 2048 × 2048 CCD with UV coating is used at the BAO 60/90 cm f/3 Schmidt telescope focal plane, giving a field-of-view of about one square degree and spatial resolution of 1.67 arcsecond per pixel. The paper reviews the following topics: 1) basic performance of the system; 2) anti-blooming technique for a large field CCD; 3) flat fielding for a large field CCD; 4) photometric properties of compressed images.

scholarly journals A Search for Distant Satellites of Neptune

1998 ◽  
Vol 15 (3) ◽  
pp. 325-327 ◽  
Author(s):  
Michael J. I. Brown ◽  
Rachel L. Webster
Keyword(s):  
Wide Field ◽  
Schmidt Telescope ◽  
Uranian Satellites ◽  
The Uk

AbstractThe recent discovery of two distant satellites of Uranus suggests that there could be similar bodies orbiting Neptune. Previous surveys for distant satellites of Neptune have had relatively bright magnitude limits (BJ ≃ 20·5) and would have missed satellites with magnitudes and colours similar to the two recently discovered Uranian satellites (R ~ 20·4 and R ~ 21·9). We have searched for satellites of Neptune to a limiting magnitude of R ~ 21 in a 0·1□° region centred on the planet. This search is up to ~ 2 magnitudes deeper than the previous wide field search for distant satellites by the UK Schmidt Telescope. Nereid was easily recovered by the search and no large variations of its magnitude were detected.

scholarly journals Wide-Field Observations of Variable Stars in the Region of NGC 7129

1994 ◽  
Vol 161 ◽  
pp. 475-477
Author(s):  
E.H. Semkov
Keyword(s):  
Variable Stars ◽  
Astronomical Observatory ◽  
Flare Star ◽  
Wide Field ◽  
Field Observations ◽  
Schmidt Telescope ◽  
Bulgarian Academy ◽  
Star Forming ◽  
Star Forming Regions ◽  
Academy Of Sciences

During our programme for nonstable and flare star investigations in the star forming regions, more than 290 UBVR photographic plates in the field of the bright nebula NGC 7129 were obtained. The photographic observations were made with the 50/70/172 cm Schmidt telescope of the Rozhen Astronomical Observatory of the Bulgarian Academy of Sciences during the period September 1984–July 1993.

scholarly journals The Edinburgh Astronomy Teaching and Educational Packages

1990 ◽  
Vol 105 ◽  
pp. 124-138
Author(s):  
M.T. Brück ◽  
S.B. Tritton
Keyword(s):  
Teaching Material ◽  
Wide Field ◽  
The Sun ◽  
Visual Aids ◽  
Schmidt Telescope ◽  
Sky Survey ◽  
The Galaxy ◽  
University Of Edinburgh ◽  
The University ◽  
Low Dispersion

In this paper we describe our experiences with film copies of original astronomical photographs taken with the 1.2-meter U.K. Schmidt Telescope (UKST) in Australia, and used as teaching material in the Department of Astronomy of the University of Edinburgh. Two packages are intended for undergraduate use; the Education Packages are designed as visual aids for colleges, schools, and amateur groups.The original purpose of the telescope (which was commissioned in 1973) was to carry out a Southern Sky Survey to match the Northern Survey done by the Palomar 48” Schmidt Telescope. The telescope has a very wide field — 6.5 × 6.5 degrees, or equivalent to over a hundred and fifty full moons, and the photographs reach objects of 23rd magnitude: they record stars like the Sun to the very edges of the Galaxy and galaxies to a thousand million light years. Each photograph has an area of 356 × 356 mm and records between 100,000 and 1 million stars and galaxies. The survey photographs are the deepest available maps of the sky and are indispensable tools for astronomers in searches for unusual objects, for investigation of the distribution of galaxies and many other tasks. The UKST is equipped with objective prisms that are capable of producing low dispersion spectra of stars and galaxies. A prism of very small angle is placed in front of the aperture of the telescope so that each individual image is drawn out into a tiny spectrum on the photograph. The dispersion is very small, only a few millimeters from the red to the ultraviolet, but the dominant features in the spectra are recognizable and have many applications.

scholarly journals The Second Palomar Sky Survey

1994 ◽  
Vol 161 ◽  
pp. 29
Author(s):  
I.N. Reid
Keyword(s):  
Northern Hemisphere ◽  
Near Infrared ◽  
Field Survey ◽  
Wide Field ◽  
Schmidt Telescope ◽  
Sky Survey ◽  
Acceptable Quality ◽  
Original Survey ◽  
The Uk

The 48-inch Oschin Schmidt telescope at Palomar Observatory was used to obtain the first deep, optical, wide-field survey, covering almost two-thirds of the sky between November 1949 and December 1958 (with plates for the Whiteoak extension, to δ c = −42°, taken in 1964/5). The original survey was taken in two passbands — wide blue and narrow red — on 103a emulsion, and covers one hemisphere in 643 fields with a spacing of 6 degrees between centres. In 1987, plate-taking started for the second Palomar Sky Survey, POSS II, which is intended to cover the northern hemisphere in three passbands, blue (IIIa-J + GG385 filter), red (IIIa-F + RG610) and near-infrared (IVN + RG9). Given the extremely restricted overlap between fields in the old survey, we have followed the example of the UK Schmidt ESO/SERC surveys and have adopted a 5-degree spacing between fields. To date (31.7.93), we have acquired plates of acceptable quality for 597 fields (67%) of the IIIa-J survey, 668 fields (75%) of the IIIa-F and 253 fields (28%) of the IVN.

Schmidt Telescope Plate Archives

1995 ◽  
Vol 148 ◽  
pp. 148-155 ◽  
Author(s):  
Milcho Tsvetkov ◽  
Konstantin Stavrev ◽  
Katya Tsvetkova ◽  
Asen Mutafov ◽  
Michail-Ernesto Michailov
Keyword(s):  
Wide Field ◽  
Schmidt Telescope ◽  
Contemporary State ◽  
Field Plate

AbstractThe contemporary state of the Schmidt/Maksutov telescope plate archives and their unification in an Index Plate Catalogue as part of the Wide Field Plate Database is presented.

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