... evlist -- output event list . The output event list is a clone of the input event list in which the tables EVENTS , STDGTI0n , EXPOSU0n and REJPIXnn have been destructively filtered and the node-specific exposure maps have been deleted or replaced. The STDGTI0n tables and the REJFLAGS attribute of the EVENTS table indicate what filtering has been performed. ... The two exposure maps for a chip are not constructed unless the EXPOSU0n table for that chip is present in the input event list. ...

... Classes . ... casa . casa::WCConcatenation . ... WCConcatenation (const PtrBlock < const ImageRegion * > &regions, const WCBox &extendRange) . ... WCConcatenation ( Bool takeOver, const PtrBlock < const WCRegion * > &regions, const WCBox &extendRange) . ... Copy constructor (copy semantics). virtual . ... Copy constructor (copy semantics). virtual casa::WCConcatenation::~WCConcatenation . ... Get the class name (to store in the record). virtual WCRegion * casa::WCConcatenation::cloneRegion . ...

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

Next: Combining Bias Frames Up: Preparing Your Calibration Previous: Input and Output . Except for summing the frames together, combining frames may require correcting for variations between the frames due to differing exposure times, sky background, extinctions, and positions. ... The input frames are combined by applying a sigma clipping algorithm at each pixel. ... The input frames are combined with a variant of the sigma clipping algorithm which works well with only a few frames. ...

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

... The value of tile-size, NW , may be thought of as a sixth coordinate axis in the chirplet transform parameter space - TF-area. Including this sixth coordinate axis provides us with a hierarchical (multi-resolution) CCT. ... Various 2- D slices through the multiresolution CCT may correspond to useful tilings of the TF plane with true parallelograms (true to the extent that the DPSS define a truly rectangular region in the TF plane). ...

... We describe a new library (AST) which provides a flexible high-level programming interface for handling world coordinate systems in astronomy and for producing graphical output. ... Relationships between coordinate systems are represented within AST by objects called Mappings. ... While Mappings represent the relationships between coordinate systems, the coordinate systems themselves are represented by objects called Frames. ... Like all objects, a Frame also provides methods. ...

These are the final processed HDF images and catalogs. ... Merged images of the separate CCD fields. drizzled . ... 1996 (AJ 112, 1335) describes how radio positions (obtained with the Merlin and VLA interferometers) have been used to update the celestial coordinate system for the Hubble Deep Field. ... Indeed, there is an error in the image headers for the drizzled HDF version 2 images (first noted here on 3/13/96) where the CTYPE1 and CTYPE2 keywords were inadvertantly set to incorrect values. ...

UNIVERSAL COORDINATES TRANSFORMER . EPOCH1: . EQUATORIAL COORDINATES FOR EPOCH1 . ... rad . ... EPOCH2: . EQUATORIAL COORDINATES FOR EPOCH2: . ... ECLIPTIC COORDINATES FOR EPOCH1 . ... ECLIPTIC COORDINATES FOR EPOCH2 . ... GALACTIC COORDINATES . ... Type initial epoch (epoch1), final epoch (epoch2) and needed coodinates (equatorial a 1 , d 1 for epoch1, ecliptic l 1 , b 1 for epoch1 or galactic l,b) and press corresponding "SUBMIT" (if EPOCH2=EPOCH1, EPOCH2=EPOCH1+10). ...

... The first two catalogues (the one has been calculated using all input catalogues and the second one using only catalogues obtained with CALC/SOLVE software) provide a stochastic improvement of the ICRF 2. and the last two of them one allow us to account also for systematic errors in the current ICRF version. ... Input Catalogues and Comparisons Table 1. ... In result, the combined catalogue PUL08C01a and PUL08C01b (only input catalogues constructed using CALC/SOLVE were used) were constructed. ...

Stellarium 0.12.3 . ... VertexP3T2 Struct Reference . Vertex with a 3D position and a 2D texture coordinate. ... VertexP3T2 (const Vec3f &position, const Vec2f texCoord) . Construct from a 3D position and 2D texture coordinate. ... VertexP3T2 (const Vec2f pos, const Vec2f texCoord) . Construct from a 2D position, setting the z coord to 0, and 2D texture coordinate. ... VERTEX_ATTRIBUTES ( Vec3f Position , Vec2f TexCoord) . ... position . ... VertexP3T2::VertexP3T2 . ... const Vec2f љ . ...

Note: a new task -- "FLOPM" -- is available in recent versions of AIPS (31DEC07 and later), which also reverses the order of spectral channels, making UVFLP as described below unnecess