postscript and txt
Please do one hour (2 x 30min) exposure for each mask in order of priority.
SgrA* Field Mask List
Offset Finding Center of Mask Align # of
Priority Mask Chart Chart RA (J2000) Dec Star Slit R Mag Range
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1 SgrA1 SgrA1 SgrA1 17 45 40.00 -29 00 28.0 3 20 13.984 - 22.811
2 SgrA2 SgrA2 SgrA2 17 45 40.00 -28 58 28.0 3 20 15.548 - 23.272
3 SgrA4 SgrA4 SgrA4 17 45 30.85 -29 00 28.0 4 15 15.984 - 24.609
4 SgrA3 SgrA3 SgrA3 17 45 40.00 -29 02 58.0 4 13 15.222 - 23.106
5 SgrA7 SgrA7 SgrA7 17 45 47.62 -28 55 8.0 3 12 16.445 - 23.268
6 SgrA6 SgrA6 SgrA6 17 46 2.86 -29 01 48.0 5 10 15.396 - 23.823
7 SgrA9 SgrA9 SgrA9 17 47 9.97 -28 41 13.7 4 5 18.639 - 21.715
8 SgrA5 SgrA5 SgrA5 17 45 4.93 -29 00 48.0 3 9 17.043 - 22.430
9 SgrA8 SgrA8 SgrA8 17 45 59.06 -29 07 8.0 3 8 14.100 - 23.806
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Priorities are sorted by number of slits on the mask, except for mask
SgrA9 with priority 7, which has 5 slits all for relatively bright Ha
sources
Click a Mask name to see the mask map. E-left & N-up.
Click a Offset Chart name to see the Offset Chart, which shows the source offsets in arcseconds, where crosses are slit positions and boxes are alignment star positions. E-left & N-up.
Click a Finding Chart name to see the Finding Chart (8.1' x 6.5') for that mask, which is a deep R image taken with CTIO/4m/MosaicII. The sources are circled on the image with ID numbers and R magnitudes.
Sources with ID numbers less than 200 are X-ray sources; greater than 500 and less than 600 are Ha sources; greater than 1000 are alignment stars
Here is a list of all the sources, including the sources covered by the masks, mask alignment stars and the left over sources for the slit spectroscopy, with their ID, Rmag, RA and Dec,
Here is the same list, but instead of absolute RA and Dec are the RA and Dec offset in arcecond from the coordinate 17 45 40.00, -29 00 28.0.
SgrA* Field Sources for Single slit Spectroscopy Priority RA Dec R Mag ID ---------------------------------------------------- 1 17 47 9.41 -28 49 23.5 17.649 501 2 17 45 20.94 -28 58 18.6 15.829 133 3 17 46 6.30 -28 58 13.1 16.586 24 4 17 46 10.89 -28 53 51.3 17.992 5 5 17 45 50.58 -28 52 41.5 10.60 35 6 17 45 51.51 -29 01 46.6 11.40 97 7 17 45 52.21 -28 55 24.3 11.40 48 8 17 45 53.33 -29 04 44.7 11.90 139 9 17 45 6.94 -28 57 4.7 18.694 141 10 17 45 41.43 -28 59 52.0 18.903 80 11 17 45 25.18 -29 06 35.0 19.170 64 12 17 45 40.40 -29 04 29.4 20.384 20 13 17 46 55.03 -28 35 57.1 20.495 505 14 17 46 33.20 -29 02 14.2 20.502 506 15 17 46 7.50 -28 59 51.2 21.205 508 16 17 45 32.09 -29 08 59.8 21.286 129 17 17 45 3.85 -29 00 48.9 21.418 36 18 17 47 27.22 -29 00 11.2 21.510 511 19 17 45 6.17 -28 54 38.8 22.139 44 20 17 45 40.06 -29 00 27.3 22.362 2 21 17 47 5.40 -28 51 36.5 22.386 515 22 17 46 34.77 -29 10 12.5 22.466 517 23 17 45 39.92 -28 58 57.0 22.470 151 24 17 45 21.72 -29 06 17.8 22.791 62 25 17 46 6.20 -29 02 7.4 23.089 179 26 17 45 17.15 -29 06 26.5 23.143 23 27 17 45 17.46 -29 04 39.5 24.473 74 28 17 45 1.28 -28 54 58.4 24.519 189 29 17 45 41.24 -29 02 10.5 24.594 40 ----------------------------------------------------Click ID numbers to see the finding charts, which are a deep R images taken with CTIO 4m/MosaicII (E-up & N-right).
Sources with ID numbers less than 200 are X-ray sources, greater than 500 are Ha sources.
postscript and
txt
Here is an observing almanac made for this run.
THANKS!
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