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EULUMDAT is a data file format used for specification of photometric data especially intensity distributions from light sources such as lamps and luminaries. The file extension is .ldt. The format was proposed by Axel Stockmar (Light Consult Inc., Berlin) in 1990. The format is the European equivalent to the IES file format specified in IESNA ...
Like the TAKS test, STAAR employs standardized tests to assess students' skills in reading, writing, math, science, and social studies. [3] The TEA states that "The STAAR tests will be more rigorous than the TAKS tests and are designed to measure a student’s college and career readiness, starting in elementary school." [13]
It includes positions, parallaxes, and proper motions for about 1.3 billion stars and positions of an additional 300 million stars, red and blue photometric data for about 1.1 billion stars and single colour photometry for an additional 400 million stars, and median radial velocities for about 7 million stars between magnitude 4 and 13.
To enable rapid access of specific stars in the catalogue, WCSTools software numbers each star using its Guide Star region number (0001 to 9537) and a five-digit star number within each region, separated by a decimal point. sty2 lists Tycho-2 stars by number or sky region. imty2 lists the Tycho-2 stars within an IRAF or FITS image using the world coordinate system defined in its header.
The Texas Education Agency released scores from last spring’s State of Texas Assessments of Academic Readiness, or STAAR, exams on June 14. Both in Fort Worth ISD and statewide, scores largely ...
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There are a number of organizations, from professional to amateur, that gather and share photometric data and make it available on-line. Some sites gather the data primarily as a resource for other researchers (ex. AAVSO) and some solicit contributions of data for their own research (ex. CBA): American Association of Variable Star Observers .
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