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Revised MT BOP Software

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inari
7 diapositives · 193 Views · Aug 14, 2014

The MT BOP Software utilizes a series of IDL scripts to overlay moving object ephemerides on GSC images, providing essential information about colors and magnitudes for GSC2 catalog stars. Key output files include *cat3.files*, which list stars and their color estimates; *hrps.files*, which plot stars in a Hertzsprung-Russell diagram; and *ps3.files*, which label potentially concerning stars. Additional files include *ps2* and *ps1*, which provide detailed star labels and field tracking data, enhancing our understanding of celestial objects.

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Revised MT BOP Software
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  1. Revised MT BOP Software Description of Output Files Charles Proffitt, Dec 9, 2008

  2. MT BOP Software • Series of IDL scripts which over-plot moving object ephemeredes on GSC images and provides colors and magnitudes for GSC2 catalog stars.

  3. Description of Main Outputs • *.cat3 files list stars and colors • Gives “best” estimate of B-V and also values for 1 s brighter and bluer • Last column shows filters used to estimate B-V • *.hrps file plot stars in HR diagram and overlays various screening limits • *.ps3 files label stars flagged as of concern and overplots target track • *.ps2 files label all stars • *.ps1 files show fields with tracks but no labels

  4. *.cat3 file gives magnitudes ================================================================================== Object Catalogue For Plot saturn0004 BEST BLUE Object RA Dec J F N V B-V V B-V col # ID hh mm ss.ss ddd mm ss.s Mag Mag Mag (est. GSC2) ------------------------------------------------------------------------------------------------ 1 N6IA003204 11 28 45.40 5 45 31.9 18.32 17.03 16.66 17.62 1.02 16.99 0.66 JF 2 N6IA003132 11 28 44.69 5 44 45.8 18.04 16.97 16.43 17.46 0.87 16.84 0.51 JF 3 N6IA003078 11 28 46.57 5 44 19.1 19.17 17.95 17.44 18.51 0.97 17.88 0.61 JF 4 N6IA003104 11 28 49.91 5 44 35.2 19.53 19.09 99.99 19.31 0.45 18.67 0.09 JF 5 N6IA006611 11 28 47.14 5 46 33.6 99.99 19.94 99.99 19.66 -0.30 19.66 -0.30 F 6 N6IA003275 11 28 44.75 5 46 25.6 21.76 20.39 99.99 21.02 1.07 20.21 0.61 JF 7 N6IA003155 11 28 42.30 5 45 1.1 21.07 19.94 99.99 20.46 0.91 19.75 0.51 JF 8 N6IA003183 11 28 41.39 5 45 18.4 18.57 16.52 14.96 17.31 1.52 16.66 0.93 JF 9 N6IA000098 11 28 45.41 5 44 1.9 15.58 14.51 14.05 15.00 0.87 14.38 0.51 JF 10 N6IA003045 11 28 49.53 5 44 3.9 20.38 18.79 18.13 19.53 1.22 18.87 0.85 JF 11 N6IA003087 11 28 51.57 5 44 22.6 20.71 19.75 99.99 20.19 0.79 19.52 0.41 JF 12 N6IA003243 11 28 40.40 5 46 0.3 19.95 18.90 18.76 19.38 0.86 18.75 0.50 JF 13 N6IA006606 11 28 52.70 5 46 32.8 99.99 20.01 99.99 19.73 -0.30 19.73 -0.30 F 14 N6IA003330 11 28 51.41 5 47 11.5 22.16 99.99 99.99 22.56 -0.40 22.56 -0.40 J 15 N6IA002997 11 28 42.66 5 43 32.8 21.44 19.73 99.99 20.53 1.30 19.81 0.89 JF …

  5. .ps3 and .hrps files - Main Sequence - Reddened O star “Double” Vcrit

  6. Limits displayed in .hrps file • For each star with B-V estimate, nominal and 1 brighter/bluer values are plotted on HR diagram (points are connected with a dotted line) • Star is labeled with same index as cat3, ps2, & ps3 files. • Use smaller font to mark stars with only one band • J (blue plate) only, plot at B-V=-0.4 • F (red plate) only, plot at B-V=-0.3 • N (IR plate) only, plot at B-V=-0.2 • Following curves are also plotted • Limits for unreddened main-sequence stars (solid line) • taken from IHB where available • Limits for reddened O5 stars (slanted dashed line) • “Double” limit from IHB (horizontal dashed line) • BOT Vcrit limit (dash-dot line)

  7. Labeling in .ps3 file • *.ps3 file only labels stars of possible concern • Large font used for stars that would be dangerous if 1 s brighter and bluer location in HR diagram is above the limit for reddened O stars • Small font used for stars where best V estimate exceeds BOT Vcrit. • Stars with only one magnitude labeled if brighter than limit for unreddened O5 star.