On the observational bias of the Trojan swarms | Astronomy & Astrophysics (A&A)

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Volume 516 (June-July 2010)

A&A, 516 (2010) A22

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Table 1:

Observation statistics for the selected observatories from 1995 to 2008.
Site	Observations^a			Trojans		Area coverage^b			Grid size
Code	Total	Trojan	Trojan part [%]	Observed^c	Discovered	Total	Trojan	Trojan part [%]	Sq. deg.
644	3 738 472	24 977	0.67	1618	141	373 240	7617	2.0	0.96
691^d	937 706	7875	0.84	1056	224	15 378	221	1.4	0.08
691	3 586 484	17 325	0.48	1640	304	106 741	4117	3.9	0.78
699	5 171 452	35 695	0.69	1304	62	475 990	11 121	2.3	1.24
703	4 769 603	15 470	0.32	1053	27	480 719	7375	1.5	2.02
704	22 328 359	133 653	0.60	1634	577	721 336	7386	1.0	0.25
G96	3 393 690	13 868	0.41	1215	154	50 814	933	1.8	0.28
Rest	$\ldots$	43 356	$\ldots$	1804	414	$\ldots$	$\ldots$	$\ldots$	$\ldots$

Notes. ^(a) The number of reported positions of which each object usually have three or more at every occasion.
^(b) The number is based on observations and on the assumed grid-sizes of each site and cumulatively counted for each night. In comparison, the half sky is about 20 626 square degrees.
^(c) The number refer to unique objects.
^(d) Old instrument configuration.

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