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Home All issues Volume 499 / No 2 (May IV 2009) A&A, 499 2 (2009) 541-555 Full HTML
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Table 4:

Optical and near-IR photometry for the IC 2391 members and candidates of IC 2391 discussed in this work. The objects with identification number (ID) from 1 to 29 are the new candidates selected in this work (Sect. 3); three of these candidates show IR excess emission at 24 $\mu $m and are marked by an asterisk. The objects with ID from 30 to 37 are the additional 8 cluster members and candidates showing IR excess emission discussed in Sect. 6.
ID Designation Status$^\wedge$ Ref. $^{\bullet}$ RA $_{J2000} ^{\dag }$ Dec $_{J2000} ^{\dag }$ $B^{\diamond}$ $V^{\dag }$ $R_{\rm c} ^{\dag }$ $I_{\rm c} ^{\dag }$ $J^{\ddag }$ $H^{\ddag }$ $K_{\rm S} ^{\ddag }$
        (hh:mm:ss) (dd:mm:ss)              
1 WFI J08403964-5250429* HR-C   08:40:39.643 -52:50:42.86 - 21.24 $\pm$ 0.09 19.82 $\pm$ 0.05 17.83 $\pm$ 0.07 15.54 $\pm$ 0.05 14.86 $\pm$ 0.08 14.52 $\pm$ 0.09
2 WFI J08404512-5248521 HR-C, PM-C   08:40:45.118 -52:48:52.09 17.10 16.60 $\pm$ 0.07 15.39 $\pm$ 0.03 13.97 $\pm$ 0.04 12.23 $\pm$ 0.02 11.65 $\pm$ 0.02 11.42 $\pm$ 0.02
3 WFI J08404578-5301052 HR-C   08:40:45.780 -53:01:05.23 - 14.50 $\pm$ 0.07 13.36 $\pm$ 0.03 12.63 $\pm$ 0.04 11.24 $\pm$ 0.03 10.43 $\pm$ 0.04 10.19 $\pm$ 0.05
4 WFI J08405518-5257227 HR-C   08:40:55.176 -52:57:22.68 15.52 14.59 $\pm$ 0.07 13.39 $\pm$ 0.03 12.58 $\pm$ 0.04 10.94 $\pm$ 0.03 10.10 $\pm$ 0.03 9.84 $\pm$ 0.02
5 WFI J08410806-5300053$^{\rm OD}$ HR-C, X a 08:41:08.057 -53:00:05.26 - 18.02 $\pm$ 0.08 16.82 $\pm$ 0.06 15.27 $\pm$ 0.06 13.28 $\pm$ 0.03 12.67 $\pm$ 0.06 12.45 $\pm$ 0.05
6 WFI J08410814-5255027 HR-C, PM-C   08:41:08.141 -52:55:02.71 14.30 14.69 $\pm$ 0.07 13.45 $\pm$ 0.03 12.64 $\pm$ 0.04 10.98 $\pm$ 0.04 10.08 $\pm$ 0.04 9.81 $\pm$ 0.03
7 WFI J08410886-5248387* HR-C, X   08:41:08.856 -52:48:38.74 18.77 18.74 $\pm$ 0.07 17.46 $\pm$ 0.04 15.66 $\pm$ 0.06 13.52 $\pm$ 0.03 12.90 $\pm$ 0.02 12.65 $\pm$ 0.03
8 WFI J08410937-5302136 HR-C, X   08:41:09.374 -53:02:13.60 17.51 17.58 $\pm$ 0.07 16.38 $\pm$ 0.04 14.74 $\pm$ 0.05 12.73 $\pm$ 0.03 12.11 $\pm$ 0.03 11.91 $\pm$ 0.03
9 WFI J08411865-5258549$^{\rm OD}$ HR-C, X a 08:41:18.650 -52:58:54.88 19.61 18.83 $\pm$ 0.07 17.64 $\pm$ 0.03 16.12 $\pm$ 0.05 14.14 $\pm$ 0.03 13.58 $\pm$ 0.03 13.23 $\pm$ 0.04
10 WFI J08412229-5304471 HR-C, X   08:41:22.291 -53:04:47.14 17.77 17.16 $\pm$ 0.07 15.98 $\pm$ 0.03 14.43 $\pm$ 0.05 12.47 $\pm$ 0.02 11.85 $\pm$ 0.02 11.58 $\pm$ 0.02
11 WFI J08413933-5252565 HR-C   08:41:39.326 -52:52:56.53 15.76 14.93 $\pm$ 0.07 13.81 $\pm$ 0.03 13.09 $\pm$ 0.04 11.60 $\pm$ 0.02 10.85 $\pm$ 0.03 10.65 $\pm$ 0.02
12 WFI J08415360-5257558 HR-C, X   08:41:53.602 -52:57:55.80 18.12 17.44 $\pm$ 0.07 16.24 $\pm$ 0.03 14.72 $\pm$ 0.05 12.79 $\pm$ 0.03 12.17 $\pm$ 0.02 11.93 $\pm$ 0.03
13 WFI J08422460-5259575 HR-C, PM-C   08:42:24.605 -52:59:57.48 13.71 12.71 $\pm$ 0.05 11.91 $\pm$ 0.04 11.48 $\pm$ 0.05 10.54 $\pm$ 0.03 10.05 $\pm$ 0.03 9.92 $\pm$ 0.02
14 WFI J08423071-5257348 HR-C, PM-C,X   08:42:30.715 -52:57:34.78 14.95 14.63 $\pm$ 0.07 13.49 $\pm$ 0.03 12.73 $\pm$ 0.04 11.39 $\pm$ 0.02 10.71 $\pm$ 0.02 10.52 $\pm$ 0.02
15 WFI J08424731-5309235 HR-C, X   08:42:47.314 -53:09:23.54 17.80 20.36 $\pm$ 0.08 18.91 $\pm$ 0.05 16.79 $\pm$ 0.07 14.20 $\pm$ 0.05 13.64 $\pm$ 0.05 13.24 $\pm$ 0.04
16 WFI J08424850-5303187 HR-C, X   08:42:48.502 -53:03:18.72 19.07 18.55 $\pm$ 0.07 17.26 $\pm$ 0.04 15.63 $\pm$ 0.05 13.59 $\pm$ 0.02 12.99 $\pm$ 0.02 12.68 $\pm$ 0.03
17 WFI J08425873-5305546 HR-C, PM-C, X   08:42:58.733 -53:05:54.64 17.56 16.55 $\pm$ 0.07 15.33 $\pm$ 0.03 13.87 $\pm$ 0.04 12.01 $\pm$ 0.02 11.38 $\pm$ 0.02 11.13 $\pm$ 0.02
18 WFI J08425988-5305074 HR-C   08:42:59.880 -53:05:07.44 - 20.65 $\pm$ 0.08 19.19 $\pm$ 0.05 17.17 $\pm$ 0.07 14.77 $\pm$ 0.04 14.16 $\pm$ 0.04 13.81 $\pm$ 0.06
19 WFI J08430294-5302259 HR-C   08:43:02.938 -53:02:25.91 15.07 13.97 $\pm$ 0.07 12.87 $\pm$ 0.03 12.10 $\pm$ 0.04 10.60 $\pm$ 0.02 9.79 $\pm$ 0.02 9.59 $\pm$ 0.02
20 WFI J08431228-5251411 HR-C   08:43:12.283 -52:51:41.11 - 22.85 $\pm$ 0.10 21.32 $\pm$ 0.07 18.92 $\pm$ 0.09 16.18 $\pm$ 0.09 15.53 $\pm$ 0.13 15.45UL
21 WFI J08431860-5306241 HR-C,PM-C   08:43:18.602 -53:06:24.12 13.97 13.41 $\pm$ 0.06 12.43 $\pm$ 0.03 11.80 $\pm$ 0.04 10.52 $\pm$ 0.02 9.83 $\pm$ 0.02 9.67 $\pm$ 0.02
22 WFI J08433366-5259549 HR-C   08:43:33.658 -52:59:54.89 - 22.71 $\pm$ 0.12 20.88 $\pm$ 0.07 18.55 $\pm$ 0.08 15.80 $\pm$ 0.08 15.05 $\pm$ 0.09 14.75 $\pm$ 0.11
23 WFI J08433843-5246379 HR-C   08:43:38.431 -52:46:37.92 18.09 16.96 $\pm$ 0.08 15.49 $\pm$ 0.03 14.36 $\pm$ 0.04 12.38 $\pm$ 0.02 11.36 $\pm$ 0.02 11.06 $\pm$ 0.02
24 WFI J08433939-5307563$^{\rm OD}$ HR-C b 08:43:39.389 -53:07:56.32 18.38 18.08 $\pm$ 0.07 16.87 $\pm$ 0.04 15.20 $\pm$ 0.05 13.14 $\pm$ 0.02 12.54 $\pm$ 0.03 12.28 $\pm$ 0.02
25 WFI J08433945-5248576 HR-C   08:43:39.451 -52:48:57.56 19.74 18.79 $\pm$ 0.07 17.60 $\pm$ 0.03 16.16 $\pm$ 0.04 14.38 $\pm$ 0.03 13.76 $\pm$ 0.03 13.46 $\pm$ 0.05
26 WFI J08434640-5257036 HR-C, PM-C   08:43:46.399 -52:57:03.56 14.48 13.73 $\pm$ 0.06 12.77 $\pm$ 0.03 12.12 $\pm$ 0.04 10.86 $\pm$ 0.03 10.23UL 10.01UL
27 WFI J08434751-5250136 HR-C, PM-C   08:43:47.508 -52:50:13.63 16.01 15.92 $\pm$ 0.07 14.59 $\pm$ 0.03 13.64 $\pm$ 0.03 11.88 $\pm$ 0.02 10.91 $\pm$ 0.02 10.65 $\pm$ 0.02
28 WFI J08434909-5307269 HR-C   08:43:49.090 -53:07:26.94 19.51 18.64 $\pm$ 0.07 17.48 $\pm$ 0.03 16.00 $\pm$ 0.04 14.13 $\pm$ 0.03 13.55 $\pm$ 0.03 13.28 $\pm$ 0.04
29 WFI J08440199-5310356 HR-C, PM-C   08:44:01.992 -53:10:35.62 15.20 14.95 $\pm$ 0.06 13.94 $\pm$ 0.03 13.24 $\pm$ 0.04 11.65 $\pm$ 0.04 11.09 $\pm$ 0.05 10.69 $\pm$ 0.03
30 WFI J08404683-5302487*$^{\rm OD}$ M c 08:40:46.826 -53:02:48.73 - 19.25 $\pm$ 0.06 18.36 $\pm$ 0.03 17.80 $\pm$ 0.04 16.53 $\pm$ 0.21 15.81 $\pm$ 0.28 15.95UL
31 WFI J08410019-5249088* IR-C   08:41:00.190 -52:49:08.76 17.53 16.71 $\pm$ 0.07 15.60 $\pm$ 0.03 14.92 $\pm$ 0.04 13.51 $\pm$ 0.03 12.77 $\pm$ 0.03 12.56 $\pm$ 0.03
32 WFI J08412176-5247289*$^{\rm OD}$ M c 08:41:21.756 -52:47:28.90 20.10 19.33 $\pm$ 0.06 18.24 $\pm$ 0.03 17.65 $\pm$ 0.04 16.43 $\pm$ 0.11 15.60 $\pm$ 0.14 15.25UL
33 WFI J08412550-5300154* IR-C   08:41:25.502 -53:00:15.44 - 18.73 $\pm$ 0.05 17.92 $\pm$ 0.04 17.49 $\pm$ 0.05 16.35 $\pm$ 0.11 - 15.60UL
34 WFI J08413601-5309274*$^{\rm OD}$ M d,e 08:41:36.010 -53:09:27.40 19.37 18.52 $\pm$ 0.07 17.27 $\pm$ 0.04 15.56 $\pm$ 0.05 13.43 $\pm$ 0.02 12.89 $\pm$ 0.03 12.61 $\pm$ 0.03
35 WFI J08413888-5259492* IR-C   08:41:38.885 -52:59:49.24 17.22 17.20 $\pm$ 0.06 16.30 $\pm$ 0.03 15.73 $\pm$ 0.04 14.56 $\pm$ 0.02 14.16 $\pm$ 0.03 13.95 $\pm$ 0.06
36 WFI J08414904-5255192* IR-C   08:41:49.039 -52:55:19.20 19.56 18.52 $\pm$ 0.06 17.46 $\pm$ 0.03 16.77 $\pm$ 0.04 15.19 $\pm$ 0.05 14.61 $\pm$ 0.06 14.47 $\pm$ 0.10
37 WFI J08415780-5252140*$^{\rm OD}$ M f 08:41:57.799 -52:52:13.98 14.74 13.76 $\pm$ 0.06 12.74 $\pm$ 0.03 12.16 $\pm$ 0.04 11.09 $\pm$ 0.02 10.40 $\pm$ 0.02 10.27 $\pm$ 0.02
$^\wedge$ M = confirmed cluster member; HR-C = member candidate according to the location on the HR diagram; PM-C = proper motion member candidate; X = X-ray sources (Marino et al. 2005).; IR-C: young stellar object candidate according to the IR properties (Sect. 6.1).
$^{\bullet}$ a) Rolleston et al. (1997); b) Patten & Pavlovski (1999); c) Dodd (2004); d) Barrado y Navascués et al. (2001b); e) Marino et al. (2005); f) Siegler et al. (2007) and references therein.
$^\dag $ From the WFI survey presented in this work.
$^\diamond$ From the NOMAD catalog (Zacharias et al. 2005). Photometric uncertainties are approximately 0.2-0.3 mag.
$^\ddag $ From the 2MASS catalog (Cutri et al. 2003).
* Object showing IR excess emission at 24 $\mu $m.
$^{\rm UL}$ Flux upper limit.
$^{\rm OD}$ Other Designation. ID 5: RB729, ID 9: RB955, 2MASSJ08411862-5258546. ID 24: PP9, 2MASSJ08433935-5307556. ID 30: D97, 2MASS J08404679-5302481. ID 32: D112, 2MASSJ08412176-5247291. ID 34: CTIO100, 2MASSJ08413595-5309268. ID 37: V368Vel, SMY29, PMM4636, GSC08569-01100, VXRPSPC41, SHJM9, VXRHRI19, #29.


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