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Year | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
catalog stars | 279 127 | 47 576 | 361 830 | 466 433 | 622 436 | 166 283 | 122 199 | 176 495 |
UCAC2 stars | 9826 | 7343 | 20 704 | 17 740 | 15 689 | 14 180 | 13 634 | 11 067 |
2MASS stars | 155 834 | 32 217 | 121 489 | 167 309 | 155 998 | 109 201 | 78 623 | 72 926 |
Field stars | 113 467 | 8016 | 219 637 | 281 384 | 450 656 | 42 902 | 29 942 | 92 502 |
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25 | 27 | 24 | 27 | 25 | 31 | 33 | 30 |
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24 | 23 | 22 | 24 | 24 | 36 | 39 | 29 |
highest R magnitude | 22.7 | 22.3 | 23.4 | 22.5 | 23.7 | 22.3 | 21.8 | 24.0 |
R magnitude limit | 21.0 | 21.0 | 21.5 | 21.0 | 21.5 | 21.0 | 21.0 | 21.5 |
R magnitude completeness | 9.5-18.5 | 8.5-18.0 | 9.5-18.5 | 10.0-19.0 | 10.4-19.0 | 9.1-18.0 | 8.5-18.0 | 9.4-18.5 |
Notes. Number of catalog stars per year, position error (estimated from the standard deviation of contributing individual CCD positions about the final catalog star positions), R bandpass magnitude completeness, magnitude limit and highest value.
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