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Table 1

Log of the spectroscopic observations presented in this paper (see text for details).

(1) (2) (3) (4) (5) (6) (7) (8)
Object RA Dec Telescope+instrument λ range Disp. UT Date & Time Exposure
(J2000) (J2000) (Å) (Å/pix) at mid-exposure time (s)

IGR J00515−7328 00:52:00.59 −73:29:25.5 Radcliffe+Gr. Spec. 3750–7750 2.3 18 Nov. 2011, 19:17 2 × 1800
RX J0101.8−7223 01:01:52.28 −72:23:34.1 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 24 Sep. 2011, 06:38 2 × 1200
IGR J02045−1156 02:04:36.75 −11:59:43.4 AAT+6dF 3900–7600 1.6 05 Dec. 2002, 10:52 1200+600
IGR J02115−4407 02:11:43.83* −44:07:01.0* CTIO 1.5 m+RC Spec. 3300–10 500 5.7 29 Dec. 2010, 03:48 3 × 1800
IGR J02447+7046 02:43:43.05 +70:50:38.5 TNG+DOLoReS 3700–8000 2.5 14 Sep. 2012, 02:48 1800
Swift J0250.2+4650 02:50:27.18 +46:47:29.4 SPM 2.1 m+B&C Spec. 3300–7900 4.0 04 Dec. 2008, 04:37 2 × 1800
IGR J02574−0303 02:57:22.10 −03:06:22.4 SPM 2.1 m+B&C Spec. 3300–7900 4.0 04 Dec. 2012, 05:37 2 × 1800
IGR J03564+6242 03:55:41.29 +62:40:56.7 TNG+DOLoReS 3700–8000 2.5 16 Sep. 2012, 02:35 1200
IGR J05048−7340 05:05:06.26 −73:39:04.3 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 29 Dec. 2010, 06:49 2 × 1000
IGR J05470+5034 05:47:14.88 +50:38:25.5 Copernicus+AFOSC 3500–7800 4.2 01 Mar. 2011, 21:50 2 × 1800
IGR J06293−1359 06:29:20.22* −13:55:23.9* TNG+DOLoReS 3700–8000 2.5 26 Oct. 2011, 05:21 3 × 1800
IGR J09034+5329 09:03:05.51* +53:30:32.5* TNG+DOLoReS 3700–8000 2.5 30 Oct. 2011, 02:58 2 × 1500
Swift J0958.0−4208 09:57:50.64 −42:08:35.5 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 06 Dec. 2010, 07:40 2 × 1500
IGR J10200−1436 10:19:37.29* −14:41:28.3* TNG+DOLoReS 3700–8000 2.5 05 Dec. 2011, 04:08 2 × 1200
IGR J14257−6117 14:25:07.58 −61:18:57.8 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 26 Jan. 2012, 08:10 3 × 1800
IGR J14488−4008 14:48:50.97 −40:08:45.6 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 02 Feb. 2012, 07:13 2 × 1000
IGR J15415−5029 15:41:26.43 −50:28:23.3 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 21 Mar. 2012, 07:40 2 × 1200
IGR J16058−7253:
LEDA 259433 16:05:23.24 −72:53:56.2 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 15 May 2012, 07:56 2 × 1800
LEDA 259580 16:06:06.88 −72:52:41.9 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 15 May 2012, 09:00 2 × 1500
IGR J17014−4306 17:01:28.15 −43:06:12.3 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 02 Oct. 2011, 00:21 2 × 1000
IGR J17198−3020 17:19:48.65 −30:17:26.9 SPM 2.1 m+B&C Spec. 3300–7900 4.0 23 Jun. 2012, 06:00 1800
IGR J17476−2253 17:47:29.80** −22:52:46.6** TNG+DOLoReS 3700–8000 2.5 11 Jul. 2012, 02:45 2 × 1800
IGR J17488−2338 17:48:39.05** −23:35:21.2** TNG+DOLoReS 3700–8000 2.5 25 Aug. 2012, 01:39 2 × 1800
IGR J17520−6018 17:51:55.80 −60:19:43.2 CTIO 1.5 m+RC Spec. 3300–10 500 5.7 24 Sep. 2011, 01:36 2 × 1000
IGR J18151−1052 18:15:03.8 −10:51:35 TNG+DOLoReS 3700–8000 2.5 02 Aug. 2011, 22:00 2 × 1500
IGR J18256−1035 18:25:43.83** −10:35:01.3** TNG+DOLoReS 3700–8000 2.5 21 Ago 2011, 23:20 2 × 1800
AX J1832.3−0840 18:32:19.30* −08:40:29.8* SPM 2.1 m+B&C Spec. 3300–7900 4.0 24 Jun. 2012, 08:19 2 × 1800
2E 1923.7+5037 19:25:02.17 +50:43:13.8 Cassini+BFOSC 3500–8700 4.0 21 Aug. 2012, 21:10 2 × 1800
IGR J19295−0919 19:29:04.02** −09:13:42.9** TNG+DOLoReS 3700–8000 2.5 02 Sep. 2011, 01:41 1800
IGR J21319+3619 21:31:27.37* +36:16:50.2* TNG+DOLoReS 3700–8000 2.5 18 Aug. 2012, 03:15 2 × 1800
IGR J21565+5948 21:56:04.18 +59:56:04.5 TNG+DOLoReS 3700–8000 2.5 03 Aug. 2011, 03:29 2 × 1500
IGR J22534+6243 22:53:55.12 +62:43:36.8 SPM 2.1 m+B&C Spec. 3300–7900 4.0 22 Jun. 2012, 11:07 2 × 900
IGR J23558−1047 23:55:58.82* −10:46:44.8* SPM 2.1 m+B&C Spec. 3300–7900 4.0 26 Sep. 2011, 07:23 2 × 1200

Notes.If not indicated otherwise, source coordinates were extracted from the 2MASS catalogue and have an accuracy better than 01.

(‡)

Sources for which the 99% IBIS error circle was considered to search for a soft X-ray counterpart.

(*)

Coordinates extracted from the USNO catalogues, having an accuracy of about 02 (Deutsch 1999; Assafin et al. 2001; Monet et al. 2003).

(**)

Coordinates computed through astrometry calibrated using the USNO catalogues on a previously acquired image of the source field (see text).

(†)

Coordinates extracted from the DSS-II-Red frames having an accuracy of ~1′′.

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