2000MNRAS.318.1023K

Query : 2000MNRAS.318.1023K

2000MNRAS.318.1023K - Mon. Not. R. Astron. Soc., 318, 1023-1035 (2000/November-2)

The region of Collinder 121.

KALTCHEVA N.T.

Abstract (from CDS):

The distribution of bright B-type stars in a field with a radius of 5° centred at the Galactic open cluster Cr 121 is studied utilizing Strömgren and Hβ photometry. All PPM stars earlier than spectral type A0 are used, revealing a loose nearby structure at a distance of 660-730pc, and a compact more distant group, which appears to be a genuine cluster: Cr 121. Based on similar coordinates, distances and positions on the colour-magnitude (CM) and Hertzsprung-Russell (HR) diagrams, 11 photometric cluster members are selected at a mean distance of 1085(±41 standard error) pc. The results are discussed in the light of both classical and Hipparcos points of view.

Abstract Copyright: 2000, Royal Astronomical Society

Journal keyword(s): stars: distances - stars: early-type - stars: fundamental parameters - open clusters and associations: individual: Cr 121

Simbad objects: 163

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Number of rows : 163
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 HD 46583 * 06 33 16.7024633640 -23 45 09.275460228   8.50 8.55     B8IV/V 18 0
2 HD 46994 bC* 06 35 13.1195643288 -25 50 24.781865712   7.69 7.86     B2/3V 24 0
3 HD 47116 * 06 36 05.0599084032 -24 07 07.562866476   7.71 7.70     ApSi 36 0
4 HD 47247 EB* 06 36 41.0641031957 -22 36 53.035010142   6.29 6.41     B3V 42 0
5 HD 47784 * 06 39 28.9652509152 -21 47 08.469753324   8.39 8.37     A0V 16 0
6 HD 47904 * 06 39 55.8620098272 -23 42 13.840196328   8.02 8.08     B8II 19 0
7 CD-27 3180 * 06 40 04.7651532936 -27 23 53.646966528   9.10 9.21     ~ 23 1
8 HD 48240 Pe* 06 41 27.4822890264 -24 22 58.975804596   8.17 8.27     B8II 26 0
9 HD 48355 * 06 42 09.1535168573 -22 26 36.730677866   7.98 8.12     B3V 25 0
10 HD 48424 Pu* 06 42 23.2525289232 -22 21 38.386547532   8.75 8.87     B9/A0III 22 0
11 HD 48425 * 06 42 27.5736586344 -23 13 57.293007276   6.99 7.15     B3V 26 0
12 HD 48574 * 06 43 14.3490347160 -21 51 44.577843264   7.11 7.25     B5V 20 0
13 HD 49002 * 06 45 14.6582902584 -25 38 24.491394132   8.26 8.38     B7Ib 23 0
14 HD 49188 Pu* 06 45 57.9345930096 -28 48 43.469759052 6.93 7.53 7.66     B5III 33 0
15 HD 49187 ** 06 46 06.96938 -27 18 41.9328           B8V 9 0
16 HD 49233 * 06 46 25.7929473936 -23 08 57.583292712   8.121 8.243     B3/5V 30 0
17 HD 49254 * 06 46 37.7231559864 -24 08 37.843209780   8.11 8.16     B9III/IV 22 0
18 * 12 CMa a2* 06 47 01.4835271104 -21 00 55.451696472 5.27 5.89 6.08     B7II/III 152 0
19 HD 49335 Pu* 06 47 02.8372158864 -22 40 49.113128820   8.23 8.31     B8IV 22 0
20 HD 49488 * 06 47 27.3907945225 -28 33 31.570374985   7.67 7.82     B3IV 23 0
21 HD 49485 * 06 47 39.1841558880 -24 56 36.205942236   7.93 8.00     B8II 21 0
22 HD 49484 Pu* 06 47 47.1186742615 -22 10 10.088704561   8.24 8.35     ApSi 22 0
23 HD 49575 ** 06 47 58.6146470717 -26 32 05.866407466   8.48 8.55     B8V 15 0
24 HD 49702 * 06 48 34.8139337760 -27 22 51.358533672   7.73 7.82     B6V 20 0
25 HD 49721 * 06 48 52.3210808064 -25 00 07.092424980   9.19 9.35     B7/8III 11 0
26 HD 49869 * 06 49 25.7342279064 -27 05 10.229267184   9.83 9.97     B8V 6 0
27 HD 49846 * 06 49 35.1536473176 -21 10 52.449708252   8.22 8.27     B7/8II 22 0
28 HD 49867 Pu* 06 49 35.5403744976 -22 50 58.215161292   10.00 10.14     B7V 15 0
29 HD 49959 * 06 49 47.3681046072 -28 43 39.912099240   10.71 10.74     B9/A0III/IV 16 0
30 HD 50012 V* 06 50 05.9687361672 -27 20 02.286992544 6.08 6.852 7.036     B2III 54 0
31 HD 50074 * 06 50 32.6635616544 -24 57 32.673653136   9.22 9.32     B5V 21 0
32 HD 50093 * 06 50 36.9593160984 -25 46 42.219563736 5.35 6.131 6.314     B2III/IV 58 0
33 HD 50072 * 06 50 45.2181281736 -20 50 09.075782976   7.479 7.576     B5III 21 0
34 V* KV CMa EB* 06 50 52.6677613896 -20 54 37.340179380   6.98 7.16     B2III/IV 34 0
35 HD 50155 * 06 50 55.9228917552 -24 44 16.445414436   8.99 9.03     B8/9V 19 0
36 HD 50154 * 06 50 58.0903355496 -24 23 53.773533672   8.79 8.96     B2/3Vn 32 0
37 HD 50290 * 06 51 23.1390911352 -27 54 36.631124280   9.49 9.49     B9.5V 9 0
38 HD 50261 Pu* 06 51 26.4144281880 -25 22 09.634841004   8.65 8.79     B8IV/V 28 0
39 HD 50379 ** 06 51 49.38049 -26 34 54.3931           B2V 17 0
40 HD 50355 * 06 51 50.1729875136 -25 45 19.565951580   9.22 9.33     B7/8V 8 0
41 HD 50540 a2* 06 52 36.4310744376 -26 23 44.444222916   9.58 9.69     ApSi(SrCr) 11 0
42 HD 50491 * 06 52 40.7072327112 -21 11 03.402107664   7.331 7.434     B4V 28 0
43 HD 50535 * 06 52 47.6004317688 -23 02 49.307341344   7.75 7.81     B8V 21 0
44 HD 50562 * 06 52 58.4673260616 -21 50 06.999267264 8.36 9.49 9.41 9.44   B3V 44 0
45 HD 50647 * 06 53 07.9917244080 -24 54 27.304478856   8.93 9.08     B5V 20 0
46 HD 50646 * 06 53 12.9098299704 -24 09 59.952617388 6.67 7.52 7.72     B2II/III 40 0
47 HD 50680 * 06 53 15.4527474768 -24 06 59.602275864   8.07 8.27     B3II/III 33 0
48 HD 50740 * 06 53 27.5819164032 -24 06 42.523164684   8.73 8.80     B9V 22 0
49 * 15 CMa bC* 06 53 32.9069226414 -20 13 27.309395177 3.66 4.62 4.83 4.95 5.17 B1IV 214 0
50 CD-23 4550 * 06 53 59.2467474264 -23 42 24.407562672   10.60 10.70     ~ 17 0
51 * omi01 CMa s*r 06 54 07.9522701192 -24 11 03.159501504 7.59 5.60 3.87 2.70 1.88 K2Iab 185 0
52 HD 50895 a2* 06 54 12.8938439088 -23 06 21.916852452   9.61 9.67     ApSi 25 0
53 HD 50896 WR* 06 54 13.0439608392 -23 55 42.023319852 5.74 6.63 6.91 7.74   WN4b 794 0
54 HD 50939 * 06 54 22.4886215880 -23 02 52.193389452   8.72 8.80     B2/3V 24 0
55 HD 51013 * 06 54 41.2057501944 -24 15 20.445313212   8.65 8.84     B3V 41 0
56 HD 51038 * 06 54 42.5770712040 -24 55 28.762181112   8.96 9.14     B3V 37 0
57 HD 51036 * 06 54 44.6400762672 -24 18 57.758414148   8.60 8.76     B5/8 34 0
58 HD 51088 a2* 06 54 54.0495170136 -24 43 05.167147332   8.10 8.24     ApSi 37 0
59 HD 51056 * 06 55 02.1424331688 -20 40 27.515519868   9.76 9.86     A2III 17 0
60 HD 51110 Pu* 06 55 11.7361884864 -21 52 18.928084260   8.59 8.71     B9Ib/II 25 0
61 HD 51176 * 06 55 24.1691325336 -24 21 41.075212140   9.43 9.61     B3/5IV 12 0
62 HD 51255 * 06 55 30.7561605576 -27 08 13.610065272   8.07 8.21     B3V 22 0
63 HD 51200 * 06 55 32.8910932392 -22 02 14.837516592 5.8 6.588 6.765     B2III/IV 37 0
64 HD 51285 Em* 06 55 42.8404170312 -24 40 43.791212352 7.15 7.976 8.136     B2V(n) 44 0
65 HD 51286 * 06 55 43.4564206656 -25 11 32.364347244   9.98 10.02     B8/9IV 15 0
66 HD 51283 Pu* 06 55 46.9280647944 -22 56 29.193346032 4.36 5.12 5.30     B1III 98 0
67 HD 51459 SB* 06 56 16.0282653672 -28 39 05.371116372   10.31 10.33     B9.5IV 15 0
68 Cl Collinder 121 OpC 06 56 20 -24 43.8   3.02 2.6     ~ 156 0
69 HD 51482 * 06 56 22.9305532992 -28 02 18.262119624   9.89 9.99     B9V 15 0
70 HD 51513 * 06 56 45.4494695424 -19 58 12.563628564   9.53 9.59     B9V 8 0
71 HD 51549 * 06 56 55.2652609968 -21 06 04.910567184 6.96 7.648 7.792     B3IV 33 0
72 V* HH CMa bC* 06 57 14.7660679848 -22 12 10.316979972 5.61 6.42 6.61     B2III/IV 52 0
73 HD 51823 * 06 57 42.6355923552 -27 32 15.039088116 5.41 6.09 6.23     B2/3V 50 0
74 HD 51854 * 06 58 02.1147029808 -22 52 33.961467072 7.84 8.67 8.83     B2V 45 0
75 HD 51925 ** 06 58 07.5533495 -27 09 51.781515 5.32 6.181 6.361     B2V 51 0
76 HD 51898 * 06 58 22.9139856144 -20 31 46.309707624   8.417 8.535     B2/3V 30 0
77 HD 52018 Pu* 06 58 35.8988362752 -25 24 50.953342860   5.420 5.583     B2V 58 0
78 * eps CMa * 06 58 37.54876 -28 58 19.5102 0.36 1.29 1.50 1.59 1.80 B1.5II 519 0
79 HD 51984 Pu* 06 58 39.0228479472 -22 32 10.001630436   9.24 9.38     B5III 20 0
80 HD 52138 * 06 59 00.5947992456 -26 28 27.927668784   7.000 7.178     B2V 26 0
81 HD 52115 Pu* 06 59 07.1839991856 -20 47 32.058986712   8.177 8.219     B8II/III 23 0
82 HD 52273 * 06 59 39.2558880792 -21 36 10.417390488   6.11 6.26     B2III 43 0
83 HD 52356 Be* 06 59 44.5494477408 -28 23 58.976259576 6.06 7.056 7.208     B3V(n) 44 0
84 HD 52348 * 07 00 08.2807638072 -20 09 30.328883388   6.166 6.305     B3V 47 0
85 HD 52463 * 07 00 12.2694339168 -27 47 59.800438608   8.13 8.30     B3V 38 0
86 HD 52437 Be* 07 00 19.3630898136 -22 07 08.610686220 5.54 6.341 6.519     B3Vnn 89 0
87 HD 52513 * 07 00 34.5845117880 -24 37 41.191641012   8.76 8.88     B7V 7 0
88 HD 52509 * 07 00 35.0183566560 -23 06 47.536193412   9.50 9.44     A0V 7 0
89 HD 52484 Pu* 07 00 36.6181824936 -19 55 00.411065724   9.17 9.23     B5V 13 0
90 HD 52569 * 07 00 38.7185389248 -25 58 37.603951752   8.61 8.76     B3III/IV 13 0
91 HD 52568 * 07 00 42.1764051912 -25 15 58.166569692   9.94 10.01     B8V 17 0
92 HD 52618 Pu* 07 00 45.8877057408 -27 57 04.111125480   8.93 8.94     B9V 16 0
93 HD 52597 Em* 07 00 47.5369108632 -26 05 36.371948568   7.697 7.818     B2/3V 26 0
94 HD 52596 ** 07 00 47.55041 -25 38 37.7042           B2IV 30 0
95 HD 52616 * 07 00 50.6822450928 -26 57 34.640313516   8.55 8.61     B7/8V 18 0
96 HD 52614 * 07 01 02.9277369240 -22 31 28.827918120   9.26 9.32     B5V 17 0
97 V* LS CMa EB* 07 01 05.9462635320 -25 12 56.281710060   5.471 5.635     B2/3III/IV 60 0
98 HD 52731 * 07 01 12.2350394040 -27 41 14.731892520   7.92 8.09     B3V 31 0
99 HD 52643 ** 07 01 15.43166 -20 34 21.3209           B9V 16 0
100 HD 52697 * 07 01 18.8475213864 -22 34 40.362113172   9.61 9.60     B9V 8 0
101 HD 52726 * 07 01 21.6210650376 -25 12 21.779758908   9.24 9.33     B7/8V 15 0
102 CD-22 3880 * 07 01 30.1696936440 -22 33 45.803279484 9.05 9.78 9.84     B5 23 0
103 HD 52812 Be* 07 01 33.6073047384 -27 13 22.600343460 6.01 6.768 6.931     B2V 49 0
104 HD 52807 Pu* 07 01 42.9287098296 -22 41 56.337127368   10.15 10.22     B9III 12 0
105 HD 52849 ** 07 01 47.7901471680 -23 27 32.636156400   7.50 7.62     B3IV 28 0
106 HD 52928 * 07 01 57.8839419072 -26 16 33.256037352   9.52 9.64     B8IV/V 24 0
107 HD 52929 * 07 01 58.7925453360 -26 30 13.724191044   8.21 8.22     B8/9V 18 0
108 HD 52945 * 07 02 03.5017123176 -26 34 04.338064740   9.08 9.15     B9V(+B3/5) 24 0
109 HD 53041 * 07 02 20.1860635392 -28 16 53.459290272   8.20 8.22     B8/9IV 18 0
110 HD 53021 a2* 07 02 21.6496552104 -26 31 54.182947260   9.82 9.81     ApSi 15 0
111 HD 53040 * 07 02 23.0435794896 -26 45 00.985026204   9.71 9.81     B8 19 0
112 HD 53019 * 07 02 29.0756325576 -24 52 36.577222968   9.44 9.55     A0V 16 0
113 HD 53037 * 07 02 42.2340129384 -21 29 05.964590544   9.01 9.10     B8II 11 0
114 HD 53124 * 07 02 47.6972734248 -26 14 34.365720696   8.97 9.03     B5V(n) 7 0
115 HD 53063 * 07 02 49.9547016552 -20 19 27.443275716   9.45 9.54     B9III/IV 15 0
116 * omi02 CMa s*b 07 03 01.4713413613 -23 49 59.858307121 2.14 2.94 3.02 3.01 3.10 B3Ia 336 0
117 HD 53122 ** 07 03 04.1807712504 -20 45 10.105874820   8.61 8.66     B8V 19 0
118 HD 53214 * 07 03 08.4333626952 -27 40 13.590641640   9.91 9.96     B8IV/V 17 0
119 HD 53211 * 07 03 17.1583060320 -24 20 44.592929232   9.80 9.75     A0V 8 0
120 HD 53346 * 07 03 33.3391474776 -28 50 20.377572576   9.11 9.11     B9IV 18 0
121 HD 53344 * 07 03 42.9118301472 -25 05 02.105176668 5.91 6.681 6.848     B2/3V 41 0
122 CD-24 4783 SB* 07 03 43.3639120104 -24 10 22.111991364   10.39 10.14     ~ 8 0
123 HD 53342 * 07 03 44.9138243976 -24 18 39.029958540   8.22 8.27     B8V 21 0
124 HD 53373 * 07 03 47.4201062064 -25 39 12.192753960 7.08 7.80 7.97     B2III/IV 35 0
125 HD 53461 * 07 03 58.0365762624 -27 30 20.293620372   8.09 8.23     B3III 22 0
126 HD 53371 SB* 07 04 00.7934298024 -21 46 23.186163612   8.40 8.42     B7/8III 19 0
127 HD 53654 * 07 04 44.5260210216 -27 08 52.605233700   9.28 9.37     B5V 19 0
128 HD 53673 * 07 04 54.1779204744 -26 36 38.846899008   8.99 9.03     B8V 18 0
129 HD 53728 * 07 05 06.9520179384 -25 06 02.026205640   8.116 8.279     B2IV 28 0
130 HD 53808 * 07 05 41.5628098026 -20 47 33.522168602   8.38 8.45     B6III 19 0
131 HD 53914 * 07 05 41.6097114000 -27 17 44.034913932   8.57 8.68     B4IV 19 0
132 HD 53885 Pu* 07 05 46.0538263008 -25 00 28.244313252   8.27 8.39     B3(V)n 21 0
133 CD-25 4035 * 07 06 26.4769492416 -25 35 16.384572996   9.55 9.56     ~ 5 0
134 HD 54063 * 07 06 27.3516012888 -25 28 11.644693788   8.71 8.83     B5V 20 0
135 HD 54148 * 07 06 50.8913420712 -24 22 48.928410120   9.93 9.89     A0IV 13 0
136 HD 54224 * 07 06 59.9877926760 -26 39 24.328389924 5.63 6.417 6.591     B3III 63 0
137 Ass CMa OB 1 As* 07 07.0 -10 28           ~ 161 0
138 HD 54258 EB* 07 07 04.4910291000 -26 24 40.279018860   9.11 9.21     B8IV 14 0
139 HD 54309 Be* 07 07 22.5873962184 -23 50 26.573827884 4.83 5.68 5.83 5.83 5.95 B3Vne 140 0
140 HD 54337 * 07 07 27.8823585984 -25 36 12.651314364   8.18 8.22     B8/9V 17 0
141 HD 54551 Be* 07 08 14.7899241984 -23 25 54.117440580 7.79 8.53 8.61     B1/2II 32 0
142 HD 54604 * 07 08 32.3925716928 -23 09 32.482521972   8.89 8.97     B9III 20 0
143 HD 54641 * 07 08 44.4642831120 -23 46 30.541171116   7.97 8.03     B3V 17 0
144 HD 54669 * 07 08 49.4015520624 -24 02 37.666620564 5.63 6.46 6.65     B3/5V 59 0
145 HD 54668 * 07 08 52.0467076848 -22 42 05.871506256   9.13 9.16     B9IV 13 0
146 HD 54771 * 07 09 00.5865861192 -28 09 32.935526136   7.59 7.75     B3IV 19 0
147 HD 54816 * 07 09 15.4242263064 -27 21 46.128892320   8.37 8.50     B8/9III 24 0
148 HD 54787 ** 07 09 21.1555455037 -22 29 35.029640607   9.03 9.07     B8V 14 0
149 HD 54912 ** 07 09 43.0236591312 -25 13 51.720958452 4.75 5.53 5.69     B2V 59 0
150 HD 55271 Be* 07 11 20.9334247296 -21 48 11.834755128   6.84 6.92     B3Vne 28 0
151 CD-23 5039 * 07 11 46.3183752144 -23 12 38.952370008   10.09 10.13     B9 15 0
152 HD 55523 * 07 12 05.3908383000 -27 20 05.802017316 6.12 6.77 6.91     B4V 38 0
153 * 26 CMa Pu* 07 12 12.2147085456 -25 56 33.316082736 5.03 5.736 5.897     B2IV/V 93 0
154 HD 55714 * 07 13 04.8663899400 -22 52 41.758319064   8.91 9.04     B5/7V 10 0
155 HD 55856 * 07 13 48.3850605552 -22 54 20.800783152 5.32 6.14 6.27     B2IV 66 0
156 * 27 CMa Be* 07 14 15.2117197408 -26 21 09.028965559 3.76 4.45 4.65 4.64 4.73 B4Ve_sh 240 0
157 HD 56066 * 07 14 33.6903386616 -24 56 16.458553464   8.61 8.69     B8II/III 20 0
158 HD 56067 * 07 14 34.1831317800 -25 18 08.628653304   7.30 7.34     B9/9.5V 18 0
159 HD 56065 Em* 07 14 40.0628310480 -23 56 48.502053636   9.00 9.07     B8V 7 0
160 HD 56094 * 07 14 42.1027811760 -23 29 21.835944960 6.15 7.098 7.284 8.17   B2IV/V 46 0
161 HD 56281 * 07 15 23.8829013912 -25 55 31.985928372   7.98 8.06     B8IV 18 0
162 CD-24 5089 * 07 15 43.5374216376 -24 33 58.605016428 8.74 9.46 9.50     B2III 21 0
163 Ass CMa OB 2 As* ~ ~           ~ 12 0

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