The EROS2 search for microlensing events towards the spiral arms: the complete seven season results

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Volume 500 / No 3 (June IV 2009)

A&A, 500 3 (2009) 1027-1044

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Table 1:

Characteristics of the 29 fields which were monitored in the EROS spiral arm program: locations of the field centers, average sampling $N_{\rm meas}$ (number of photometric measurements per light curve and per color) and number of stars monitored for each field $N_{\rm obs}$ .
Field	$\alpha ^{\circ},~~\delta ^{\circ}~(J2000)$		$b^{\circ}$	$l^{\circ}$	$N_{\rm meas}$	$N_{\rm obs}~(10^6)$
$\bf\beta \ {\rm Sct} \ Exposure=120~s.\ f.o.v.=4.3~\rm deg^2.$					268	3.00
bs300	280.8417	-7.6814	-1.75	25.20	269	0.48
bs301	280.8625	-6.2283	-1.11	26.51	266	0.47
bs302	281.5667	-7.3792	-2.25	26.80	272	0.50
bs303	281.5833	-5.9264	-1.60	27.09	261	0.47
bs304	282.3375	-6.7642	-2.70	26.71	269	0.52
bs305	283.1083	-6.5956	-3.26	27.19	271	0.54
$\bf\gamma \ {\rm Sct} \ Exposure=120~s.\ f.o.v.=3.6~\rm deg^2.$					277	2.38
gs200	277.0125	-14.8517	-1.64	17.72	282	0.47
gs201	277.8125	-14.2439	-2.12	18.00	266	0.49
gs202	277.8875	-12.8147	-1.52	19.30	291	0.49
gs203	278.5917	-14.5275	-2.92	18.09	281	0.46
gs204	278.6167	-13.0753	-2.28	19.40	267	0.47
$\bf\gamma \ {\rm Nor} \ Exposure=120~s.\ f.o.v.=8.4\ deg^2.$					454	5.24
gn400	242.4375	-53.1175	-1.17	330.49	496	0.42
gn401	244.5917	-51.7453	-0.99	332.04	475	0.41
gn402	243.7375	-53.0764	-1.59	330.74	463	0.45
gn403	245.6167	-52.1056	-1.69	332.24	420	0.42
gn404	244.7875	-53.4439	-2.29	330.94	435	0.43
gn405	246.7167	-52.3506	-2.35	332.54	445	0.44
gn406	245.9750	-53.7314	-2.99	331.23	443	0.46
gn407	247.8792	-52.4789	-2.95	332.93	443	0.47
gn408	247.1750	-53.8661	-3.60	331.63	453	0.47
gn409	243.9625	-54.8125	-2.86	329.82	482	0.47
gn410	245.1250	-55.0717	-3.59	329.93	443	0.46
gn411	242.4042	-55.1686	-2.54	328.78	449	0.48
$\bf\theta \ {\rm Mus} \ Exposure=180~s.\ f.o.v.=3.8~\rm deg^2.$					375	2.28
tm500	201.7667	-63.0383	-0.47	306.98	391	0.44
tm501	202.8250	-63.5781	-1.07	307.37	355	0.44
tm502	203.7167	-64.1750	-1.72	307.66	376	0.47
tm503	200.9917	-64.9978	-2.36	306.38	375	0.36
tm504	198.0500	-64.1136	-1.35	305.22	392	0.43
tm505	199.0625	-64.6806	-1.96	305.60	360	0.43
Total						12.9

Note: the total numbers of observed stars towards $\gamma \ {\rm Nor}$ and $\theta \ {\rm Mus}$ are smaller than the sum of the numbers given for each field because of some overlap between contiguous fields. The total fields of view (f.o.v.) are the areas effectively monitored ( $0.71~\rm deg^2$ per field, see text), corrected for the overlap between fields.

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