Transit detections of extrasolar planets around main-sequence stars - I. Sky maps for hot Jupiters

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Table 2:

Instrumental properties of the treated surveys.
Survey	$\delta$ range	FOV	CCD Pixel size	$m_{\rm V}$ Range	$\delta$ & $m_{\rm V}$	$\delta$ , $m_{\rm V}$ & ${\Delta}m_{\rm V}$	$\delta$ , $m_{\rm V}$ , ${\Delta}m_{\rm V}$ & MS
				[Mag.]	Limited sample	Limited sample	Limited sample
BEST	$-16^\circ< \delta < 90^\circ$	$3.1^\circ$	$5.5~\hbox{$^{\prime\prime}$ }/$ mm	$8 < m_{\rm V} < 14$	546 382 (52.94%)	516 524 (50.05%)	222 854 (21.59%)
XO	$-39^\circ < \delta < 90^\circ$	$7.2^\circ$	$25.4~\hbox{$^{\prime\prime}$ }/$ mm	$9 < m_{\rm V} < 12$	620 477 (60.12%)	597 842 (57.93%)	263 213 (25.51%)
SuperWASP	$-44^\circ< \delta < 90^\circ$	$7.8^\circ$	$13.8~\hbox{$^{\prime\prime}$ }/$ mm	$7 < m_{\rm V} < 12$	745 227 (72.21%)	703 707 (68.19%)	311 404 (30.18%)
HATNet	$-28^\circ< \delta < 90^\circ$	$8.3^\circ$	$14.0~\hbox{$^{\prime\prime}$ }/$ mm	$7 < m_{\rm V} < 12$	721 473 (69.91%)	686 927 (66.56%)	283 350 (27.46%)

In the last three columns we list the reduced Tycho master sample of 1 031 992 stars after we applied the subsequent boundary conditions: the survey's sky-coverage ( $\delta$ range), its $m_{\rm V}$ limitation, magnitude variation ${\Delta}m_{\rm V} > 0.01^{\rm m}$ for the transit of a Jupiter-sized object around the ith star in a pixel, and the boundary conditions for MS stars, for which the empirical relationships hold (see Sect. 2.1). In braces we indicate the portion of the Tycho master sample.

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