2004A&A...421..175P


Query : 2004A&A...421..175P

2004A&A...421..175P - Astronomy and Astrophysics, volume 421, 175-186 (2004/7-1)

XMM-Newton observations of the young open cluster Blanco1. I. X-ray spectroscopy and photometry.

PILLITTERI I., MICELA G., SCIORTINO S., DAMIANI F. and HARNDEN F.R.Jr

Abstract (from CDS):

We present an X-ray study of the high metallicity young open cluster Blanco 1 based on XMM-Newton data. X-ray spectroscopy of cluster members is presented for the first time as well as new X-ray distribution functions of late-type stars. We detected all known dF and dG stars in the EPIC field and 80% and 90% of dK and dM stars, respectively. The X-ray spectral analysis of the X-ray brightest cluster stars and X-ray color analysis of a larger sample show that a model with two temperatures (at about 0.3 and 1keV) explains the quiescent activity phase spectra. We discuss also the nature of unidentified X-ray sources in the observed region and their X-ray spectral properties.

Abstract Copyright:

Journal keyword(s): X-ray: stars - stars: activity - Galaxy: open clusters and associations: individual: Blanco 1

VizieR on-line data: <Available at CDS (J/A+A/421/175): tablea1.dat tableb1.dat>

Nomenclature: Table 1: [PMS2004] AN (Nos P1-P8). Table A1: [PMS2004] Opt NNN N=90 among (Nos 2-190). Table B1: [PMS2004] Un NN (Nos 1-64).

CDS comments: The electronic-only appendix is referred to as Appendix B in the text, Table A.1 and Figures A.1 and A.2 in this second appendix should be Table B.1 (which is different from Table A.1 in Appendix A p. 184), Figures B.1 and B.2(.)

Simbad objects: 208

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Number of rows : 208
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 2MASS J00013597-2958454 * 00 01 35.9680649448 -29 58 45.679717380     16.42     ~ 2 0
2 2MASS J00013779-2957284 * 00 01 37.7912875824 -29 57 28.584213984     19.16     ~ 9 0
3 XMMU J000142.4-295745 X 00 01 42.4 -29 57 46           ~ 1 0
4 [PMS2004] Un 2 X 00 01 45 -29 54.7           ~ 1 0
5 [PMS2004] Un 3 X 00 01 46 -29 59.8           ~ 1 0
6 BlX 3 X 00 01 48.8378312184 -30 04 19.469957160     20.09     ~ 3 0
7 [PMS2004] Opt 139 X 00 01 49.1 -29 54 47           ~ 1 0
8 [PMS2004] P2 X 00 01 52.6 -30 05 36           ~ 1 0
9 [PMS2003] J000152.6-300536.0 * 00 01 52.6602328200 -30 05 36.298089276     19.20     ~ 3 0
10 Cl* Blanco 1 ZS 37 Ro* 00 01 53.4283161552 -30 06 12.837511152   16.58 15.67     ~ 22 0
11 [PMS2004] Opt 148 X 00 01 54.0 -29 54 06           ~ 1 0
12 Cl* Blanco 1 ZS 38 Er* 00 01 54.4512166536 -30 07 41.818077048   14.63 13.77     ~ 15 0
13 [PMS2004] P3 X 00 01 54.5 -30 10 38           ~ 2 0
14 2MASS J00015455-3010384 * 00 01 54.5533910832 -30 10 38.493601356     18.92     ~ 15 0
15 [PMS2004] Opt 88 * 00 01 54.7073176800 -29 59 44.076932844     15.04     ~ 2 0
16 [PMS2004] Opt 116 X 00 01 54.8653888392 -29 57 17.836580448     18.53     ~ 2 0
17 XMMU J000155.1-300200 X 00 01 55.1 -30 02 09           ~ 1 0
18 [PMS2004] Opt 87 X 00 01 55.5 -30 00 11           ~ 1 0
19 BlX 4 X 00 01 56.8 -30 07 35           ~ 2 0
20 Cl* Blanco 1 ZS 40 Ro* 00 01 56.9246466432 -30 12 07.973331660   16.28 15.39     ~ 22 0
21 HD 224948 * 00 01 57.7519690656 -30 09 28.673906148   10.29 9.96     A9/F0V 41 0
22 XMMU J000158.2-295511 X 00 01 58.2 -29 55 11           ~ 1 0
23 [PMS2004] Opt 59 X 00 01 58.5 -30 03 39           ~ 1 0
24 CTLGD 5532 * 00 01 58.6268784840 -30 08 46.189752864     19.15     ~ 2 0
25 XMMU J000200.1-300859 X 00 02 00.1 -30 08 59           ~ 1 0
26 XMMU J000200.7-295118 X 00 02 00.7 -29 51 18           ~ 1 0
27 2MASS J00020079-2959173 * 00 02 00.8043472680 -29 59 17.435155200     12.73     ~ 10 0
28 [PMS2004] Opt 153 X 00 02 00.9 -29 53 47           ~ 1 0
29 2MASS J00020131-2957554 * 00 02 01.3259698608 -29 57 55.403851284     17.81     ~ 13 0
30 2MASS J00020208-2952406 * 00 02 02.0938195872 -29 52 40.673539560     17.32     ~ 6 0
31 Cl* Blanco 1 ZS 43 * 00 02 03.6963240024 -30 10 24.978804132   16.21 15.18     ~ 20 0
32 Cl* Blanco 1 ZS 42 * 00 02 04.2170515536 -30 10 34.383723960   15.31 14.51     ~ 23 0
33 XMMU J000206.3-295820 X 00 02 06.3 -29 58 20           ~ 1 0
34 2MASS J00020766-3004426 * 00 02 07.6726930848 -30 04 42.628245528     16.89     ~ 14 0
35 2MASS J00020824-2954309 * 00 02 08.2538981136 -29 54 30.745351584     16.98     ~ 2 0
36 2MASS J00020948-3000349 * 00 02 09.4940246088 -30 00 34.985319768     19.88     ~ 6 0
37 [PMS2004] Opt 119 X 00 02 10.0 -29 56 48           ~ 1 0
38 XMMU J000210.8-295437 X 00 02 10.8 -29 54 38           ~ 1 0
39 [PMS2004] Opt 92 X 00 02 11.4 -29 59 33           ~ 1 0
40 BlX 13 X 00 02 11.9 -30 07 04           ~ 2 0
41 BlX 14 X 00 02 12.2 -30 02 32           ~ 2 0
42 [PMS2004] Opt 4 X 00 02 13.2 -30 12 59           ~ 1 0
43 XMMU J000213.4-295600 X 00 02 13.4 -29 56 04           ~ 1 0
44 XMMU J000214.2-295924 X 00 02 14.2 -29 59 25           ~ 1 0
45 Cl* Blanco 1 ZS 44 Er* 00 02 14.6933278272 -29 49 04.088797212   14.05 12.94     ~ 23 0
46 [PMS2004] Opt 5 X 00 02 16.5 -30 12 44           ~ 1 0
47 XMMU J000216.6-300300 X 00 02 16.6 -30 03 09           ~ 1 0
48 [PMS2004] Opt 170 X 00 02 18.4 -29 50 32           ~ 1 0
49 Cl* Blanco 1 ZS 45 Ro* 00 02 18.5541763032 -29 51 08.453919708   13.6 12.87     ~ 26 0
50 [PMS2004] Opt 154 * 00 02 18.9344781720 -29 53 17.260705428     20.23     ~ 4 0
51 XMMU J000219.3-300015 X 00 02 19.3 -30 00 16           ~ 1 0
52 XMMU J000219.3-295155 X 00 02 19.3 -29 51 56           ~ 1 0
53 XMMU J000219.5-295700 X 00 02 19.5 -29 57 10           ~ 1 0
54 Cl* Blanco 1 ZS 46 ** 00 02 19.725960 -29 56 07.45116   15.60 14.30 14.00   M0-1V 10 0
55 [PMS2004] Opt 180 X 00 02 21.0 -29 49 20           ~ 1 0
56 [PMS2004] Opt 38 X 00 02 21.4 -30 06 48           ~ 1 0
57 CD-30 19787 Ro* 00 02 21.6371141520 -30 08 21.621740856   11.11 10.62     ~ 37 0
58 [PMS2004] Opt 61 X 00 02 22.8 -30 03 24           ~ 1 0
59 2MASS J00022289-3002532 * 00 02 22.8937 -30 02 53.184     16.32     M3-4V 9 0
60 BlX 16 * 00 02 23.6302207584 -29 50 39.794335584     15.69     ~ 4 0
61 Cl* Blanco 1 ZS 53 Ro* 00 02 24.2721205896 -30 09 08.947903644   16.82 16.08     ~ 22 0
62 [PMS2004] P4 X 00 02 24.3 -30 06 03           ~ 1 0
63 2MASS J00022430-3006030 * 00 02 24.3095164560 -30 06 03.045523320     17.97     ~ 6 0
64 2MASS J00022512-3004235 * 00 02 25.1228393256 -30 04 23.462758380     18.86     M3-5V 17 0
65 XMMU J000225.4-295614 X 00 02 25.4 -29 56 14           ~ 1 0
66 [PMS2004] Opt 94 * 00 02 25.4849935896 -29 59 17.488553964     16.07     ~ 2 0
67 2MASS J00022589-2952392 Ro* 00 02 25.8935942808 -29 52 39.227350188     16.44     M3-4V 18 0
68 [PMS2004] Opt 172 X 00 02 26.7 -29 50 15           ~ 1 0
69 XMMU J000226.8-300227 X 00 02 26.8 -30 02 27           ~ 1 0
70 Cl* Blanco 1 ZS 54 Ro* 00 02 28.1916119256 -30 04 43.459142016   13.91 13.04     K4-5V 25 0
71 [PMS2004] Opt 138 X 00 02 30.8 -29 54 48           ~ 1 0
72 BlX 18 X 00 02 32.0 -30 06 38           ~ 2 0
73 XMMU J000232.2-295941 X 00 02 32.2 -29 59 41           ~ 1 0
74 XMMU J000232.5-300317 X 00 02 32.5 -30 03 17           ~ 1 0
75 [PMS2004] Opt 28 X 00 02 33.6 -30 07 54           ~ 1 0
76 Cl* Blanco 1 ZS 61 * 00 02 34.8274502088 -30 05 25.543689936   14.44 13.80     K5-7V 17 0
77 CTLGD 6151 X 00 02 34.8708312912 -30 01 41.292041772     17.18     ~ 2 0
78 BlX 19 X 00 02 35.1 -29 55 57           ~ 2 0
79 Cl* Blanco 1 ZS 62 SB* 00 02 35.4578432760 -30 07 01.940181744   13.26 12.52     M4-5V 21 0
80 Cl* Blanco 1 ZS 59 * 00 02 35.9179845264 -29 48 12.297600072     17.78     ~ 7 0
81 2MASS J00023609-2954155 * 00 02 36.0916325112 -29 54 15.553061964     16.96     ~ 16 0
82 [PMS2004] Opt 2 X 00 02 36.2 -30 13 38           ~ 1 0
83 XMMU J000236.9-300916 X 00 02 36.9 -30 09 17           ~ 1 0
84 XMMU J000237.3-295845 X 00 02 37.3 -29 58 45           ~ 1 0
85 [PMS2004] Opt 32 X 00 02 38.0 -30 07 27           ~ 1 0
86 XMMU J000238.2-295624 X 00 02 38.2 -29 56 24           ~ 1 0
87 [PMS2004] Opt 151 X 00 02 38.4 -29 53 48           ~ 1 0
88 BlX 21 X 00 02 39.0 -29 57 43           ~ 2 0
89 2MASS J00023937-3008040 * 00 02 39.3743406192 -30 08 03.919765956     18.78     ~ 18 0
90 [PMS2004] Opt 155 X 00 02 41.7 -29 53 01           ~ 1 0
91 [PMS2004] Opt 135 X 00 02 41.7 -29 55 11           ~ 1 0
92 Cl* Blanco 1 ZS 60 * 00 02 41.7797262168 -29 58 53.204316420   16.56 15.60     M0-1V 11 0
93 [PMS2004] Opt 188 X 00 02 43.3 -29 47 39           ~ 1 0
94 XMMU J000243.8-300711 X 00 02 43.8 -30 07 11           ~ 1 0
95 [PMS2004] Opt 141 X 00 02 44.5112638056 -29 54 40.401674532     12.08     ~ 2 0
96 2MASS J00024546-2958501 G 00 02 45.4761718008 -29 58 50.153246004   16.83 13.52 15.41   ~ 4 0
97 2MASS J00024579-2955024 * 00 02 45.8104087632 -29 55 02.534529972     19.33     ~ 7 0
98 [PMS2004] Un 24 X 00 02 47 -29 53.8           ~ 1 0
99 Cl* Blanco 1 ZS 70 Ro* 00 02 48.2261979312 -29 46 34.842205956   14.44 13.63     ~ 26 0
100 2MASS J00024841-2953539 EB* 00 02 48.4315088952 -29 53 53.947671288     17.46     ~ 11 0
101 XMMU J000251.2-300200 X 00 02 51.2 -30 02 09           ~ 1 0
102 XMMU J000251.3-295544 X 00 02 51.3 -29 55 44           ~ 1 0
103 2MASS J00025151-2954493 Ro* 00 02 51.5268817992 -29 54 49.428557208     16.78     ~ 20 0
104 2MASS J00025185-3000255 * 00 02 51.8579146800 -30 00 25.638368616     17.18     ~ 2 0
105 [PMS2004] Opt 178 * 00 02 52.0155541584 -29 49 43.279905612     16.98     ~ 2 0
106 2MASS J00025218-2947010 * 00 02 52.1890617912 -29 47 01.013128368     18.10     ~ 18 0
107 XMMU J000252.8-295200 X 00 02 52.8 -29 52 09           ~ 1 0
108 XMMU J000252.9-295700 X 00 02 52.9 -29 57 07           ~ 1 0
109 XMMU J000253.7-295948 X 00 02 53.7 -29 59 49           ~ 1 0
110 [PMS2004] Un 30 X 00 02 54 -29 58.1           ~ 1 0
111 2MASS J00025418-3006559 Ro* 00 02 54.1914450096 -30 06 55.997068392     17.04     ~ 18 0
112 XMMU J000254.2-300037 X 00 02 54.2 -30 00 38           ~ 1 0
113 [PMS2004] Un 32 X 00 02 55 -30 12.1           ~ 1 0
114 HD 225047 * 00 02 55.2273984408 -30 08 59.183837916   8.45 8.42     A0V 52 0
115 XMMU J000255.4-301234 X 00 02 55.4 -30 12 34           ~ 1 0
116 LEDA 198790 G 00 02 56.0074001496 -29 55 36.544737684   17.16 14.15 15.83   ~ 6 0
117 XMMU J000256.2-294943 X 00 02 56.2 -29 49 44           ~ 1 0
118 Cl* Blanco 1 ZS 76 SB* 00 02 56.3891922408 -30 04 44.872672188   12.98 12.32     ~ 31 0
119 [PMS2004] Opt 76 X 00 02 56.7 -30 01 19           ~ 1 0
120 [PMS2004] Opt 27 X 00 02 56.8 -30 07 56           ~ 1 0
121 XMMU J000256.8-301338 X 00 02 56.8 -30 13 38           ~ 1 0
122 [PMS2004] Opt 56 X 00 02 56.9 -30 03 44           ~ 1 0
123 [PMS2004] Opt 3 X 00 02 57.3 -30 13 03           ~ 1 0
124 BlX 30 X 00 02 58.0 -30 11 13           ~ 2 0
125 XMMU J000259.2-295514 X 00 02 59.2 -29 55 14           ~ 1 0
126 [PMS2004] Opt 166 X 00 02 59.4 -29 51 33           ~ 1 0
127 [PMS2004] Opt 54 X 00 02 59.9 -30 04 08           ~ 1 0
128 XMMU J000300.2-295153 X 00 03 00.2 -29 51 53           ~ 1 0
129 Cl* Blanco 1 ZS 75 * 00 03 00.2764601520 -30 03 21.624708168   13.73 12.89     K4-7V 17 0
130 2MASS J00030066-2949420 * 00 03 00.6666026880 -29 49 42.164709276     18.09     ~ 18 0
131 XMMU J000301.6-295031 X 00 03 01.6 -29 50 31           ~ 1 0
132 [PMS2004] Opt 120 X 00 03 01.8 -29 56 46           ~ 1 0
133 [PMS2004] Un 39 X 00 03 01.8 -29 55 48           ~ 2 0
134 BlX 36 X 00 03 02.6 -29 54 24           ~ 2 0
135 Cl* Blanco 1 ZS 71 Er* 00 03 02.9500128168 -29 47 44.092142016   15.83 14.85     ~ 12 0
136 XMMU J000303.2-294900 X 00 03 03.2 -29 49 06           ~ 1 0
137 [PMS2004] Opt 185 X 00 03 03.8 -29 48 20           ~ 1 0
138 XMMU J000304.1-300300 X 00 03 04.1 -30 03 09           ~ 1 0
139 [PMS2004] Opt 115 X 00 03 04.6 -29 57 10           ~ 1 0
140 [MDS99] F409-033 LSB 00 03 04.7 -30 10 57   19.1       ~ 2 0
141 [PMS2004] Opt 145 X 00 03 05.2 -29 54 25           ~ 1 0
142 XMMU J000305.6-295910 X 00 03 05.6 -29 59 10           ~ 1 0
143 LEDA 198755 BiC 00 03 05.6503367520 -29 51 59.482171116   16.18 12.32 14.84   ~ 12 0
144 XMMU J000306.3-294939 X 00 03 06.3 -29 49 40           ~ 1 0
145 [PMS2004] Opt 117 * 00 03 07.7482628688 -29 57 19.534011444     19.35     ~ 2 0
146 XMMU J000307.8-295800 X 00 03 07.8 -29 58 03           ~ 1 0
147 XMMU J000308.2-300328 X 00 03 08.2 -30 03 28           ~ 1 0
148 LEDA 3588239 BiC 00 03 09.3853993488 -29 51 39.397087044   16.38 12.29     ~ 6 0
149 XMMU J000310.1-294837 X 00 03 10.1 -29 48 37           ~ 1 0
150 CD-30 19797 Ro* 00 03 10.8157210080 -30 10 48.969614568   11.87 11.09     ~ 35 0
151 2MASS J00031104-2955192 * 00 03 11.0510916792 -29 55 19.193045736     18.47     ~ 15 0
152 2MASS J00031154-2958103 * 00 03 11.5488876960 -29 58 10.390667556     18.51     M4-5V 20 0
153 XMMU J000311.6-300900 X 00 03 11.6 -30 09 08           ~ 1 0
154 [PMS2004] Opt 50 X 00 03 12.9 -30 04 40           ~ 1 0
155 CTLGD 5980 X 00 03 13.364 -30 03 45.88     19.31     ~ 2 0
156 XMMU J000313.7-300047 X 00 03 13.7 -30 00 48           ~ 1 0
157 XMMU J000314.3-294940 X 00 03 14.3 -29 49 41           ~ 1 0
158 1RXS J000313.7-300558 X 00 03 14.4 -30 06 12           ~ 2 0
159 Cl* Blanco 1 ZS 95 * 00 03 16.4934713400 -29 58 47.436654252   13.26 12.40     ~ 21 0
160 XMMU J000317.4-300643 X 00 03 17.4 -30 06 43           ~ 1 0
161 [PMS2004] Opt 101 X 00 03 18.1939068672 -29 58 46.152267636     18.13     ~ 3 0
162 BlX 40 X 00 03 18.9 -30 02 17           ~ 2 0
163 XMMU J000319.1-300219 X 00 03 19.1 -30 02 19           ~ 1 0
164 XMMU J000319.4-294951 X 00 03 19.4 -29 49 51           ~ 1 0
165 CD-30 19800 Er* 00 03 20.6140352856 -29 49 22.753595676   11.75 11.23     F8 34 0
166 6dFGS gJ000320.7-300849 G 00 03 20.6422748808 -30 08 49.226150544   16.29 12.64 15.08   ~ 7 0
167 XMMU J000320.7-300149 X 00 03 20.7 -30 01 49           ~ 1 0
168 [PMS2004] P6 X 00 03 20.8 -29 51 53           ~ 1 0
169 CTLGD 6986 * 00 03 20.839 -29 51 52.83     16.47     ~ 3 0
170 [PMS2004] Opt 143 X 00 03 20.9 -29 54 36           ~ 1 0
171 2MASS J00032088-3004472 * 00 03 20.9096702304 -30 04 47.251256772     18.16     M4-5V 8 0
172 XMMU J000321.1-300651 X 00 03 21.1 -30 06 51           ~ 1 0
173 CD-30 19801 SB* 00 03 21.8528903616 -30 01 10.528822956   10.75 10.36     F3V 26 0
174 2MASS J00032249-2951527 * 00 03 22.4983721364 -29 51 52.948062568     19.05     ~ 17 0
175 2MASS J00032273-2953505 * 00 03 22.7608865832 -29 53 50.662865616     16.62     M3-4V 10 0
176 XMMU J000323.8-300340 X 00 03 23.8 -30 03 40           ~ 1 0
177 Cl* Blanco 1 ZS 94 Ro* 00 03 24.1865402592 -29 56 22.965110448   15.85 14.95     K7-M0V 26 0
178 CD-30 19802 * 00 03 24.3910794816 -29 48 49.446597744   11.07 10.56     F8V 36 0
179 Cl* Blanco 1 ZS 93 Ro* 00 03 24.6749677800 -29 55 14.733336360   14.9 14.18     K5-7V 29 0
180 Cl Blanco 1 OpC 00 03 24.7 -29 57 29           ~ 325 0
181 [PMS2004] Opt 80 * 00 03 24.9067862640 -30 01 05.451371292     16.61     ~ 2 0
182 XMMU J000326.2-300827 X 00 03 26.2 -30 08 28           ~ 1 0
183 XMMU J000326.3-300449 X 00 03 26.3 -30 04 50           ~ 1 0
184 [PMS2004] Opt 29 X 00 03 28.3 -30 07 45           ~ 2 0
185 [PMS2004] Opt 51 * 00 03 28.7802359472 -30 04 35.153214780     17.41     ~ 2 0
186 2MASS J00032991-3001203 * 00 03 29.9139307632 -30 01 20.468386920     18.02     ~ 18 0
187 XMMU J000330.5-295642 X 00 03 30.5 -29 56 42           ~ 1 0
188 [PMS2004] Opt 44 X 00 03 32.6 -30 05 20           ~ 1 0
189 2MASS J00033454-2958306 * 00 03 34.5451804152 -29 58 30.731276532     17.84     ~ 19 0
190 BlX 47 X 00 03 35.1 -30 08 06           ~ 2 0
191 [PMS2004] Opt 156 X 00 03 36.6 -29 52 57           ~ 1 0
192 XMMU J000336.7-295200 X 00 03 36.7 -29 52 04           ~ 1 0
193 XMMU J000337.4-300213 X 00 03 37.4 -30 02 13           ~ 1 0
194 XMMU J000339.1-300842 X 00 03 39.1 -30 08 42           ~ 1 0
195 Cl Blanco 1 32 * 00 03 39.7958222592 -30 02 09.517097112   11.921 11.421     ~ 14 0
196 2MASS J00033991-2958450 * 00 03 39.9143434872 -29 58 45.043690152     16.80     ~ 18 0
197 XMMU J000340.2-295827 X 00 03 40.2 -29 58 28           ~ 1 0
198 XMMU J000341.3-295725 X 00 03 41.3 -29 57 26           ~ 1 0
199 XMMU J000344.2-300034 X 00 03 44.2 -30 00 34           ~ 1 0
200 Cl Blanco 1 31 SB* 00 03 50.1716211552 -30 03 55.699032204   11.560 11.054     ~ 34 0
201 Cl Melotte 20 OpC 03 26 28.1 +48 58 30           ~ 861 0
202 Cl Melotte 22 OpC 03 46 24.2 +24 06 50           ~ 3431 0
203 Cl Melotte 25 OpC 04 29 47.3 +16 56 53           ~ 3071 0
204 NGC 2516 OpC 07 58 06.5 -60 48 00           ~ 713 0
205 NGC 2632 OpC 08 40 13.0 +19 37 16           ~ 1563 0
206 IC 2391 OpC 08 41 10.1 -52 59 28           ~ 822 0
207 IC 2602 OpC 10 42 27.1 -64 25 34           ~ 675 0
208 NGC 6475 OpC 17 53 47.3 -34 50 28           ~ 384 0

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