2003A&A...412..447G


C.D.S. - SIMBAD4 rel 1.7 - 2020.11.30CET21:25:41

2003A&A...412..447G - Astronomy and Astrophysics, volume 412, 447-464 (2003/12-3)

The heterogeneous class of λ Bootis stars.

GERBALDI M., FARAGGIANA R. and LAI O.

Abstract (from CDS):

We demonstrate that it is arduous to define the λ Boo stars as a class of objects exhibiting uniform abundance peculiarities which would be generated by a mechanism altering the structure of their atmospheric layers. We collected the stars classified as λ Boo up to now and discuss their properties, in particular the important percentage of confirmed binaries producing composite spectra (including our adaptive optics observations) and of misclassified objects. The unexplained RV variables (and thus suspected binaries), the known SB for which we lack information on the companion, the stars with an UV flux inconsistent with their classification, and the fast rotating stars for which no accurate abundance analysis can be performed, are also reviewed.

Abstract Copyright:

Journal keyword(s): stars: atmospheres - stars: chemically peculiar - stars: binaries: spectroscopic

VizieR on-line data: <Available at CDS (J/A+A/412/447): table4.dat table5.dat>

Simbad objects: 137

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Number of rows : 137

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 HD 225218 ** 00 04 36.58707 +42 05 33.1118 6.410 6.270 6.120     ~ 49 0
2 HD 3 * 00 05 09.7579226124 +45 13 44.508863141 6.840 6.770 6.710     A0Vn_lB 45 0
3 HD 319 PM* 00 07 46.9004138978 -22 30 30.805804687   6.055 5.923     A1VbmA2_lB 97 0
4 HD 2904 * 00 33 19.2661822680 +70 58 54.674831299 6.220 6.330 6.380     A0Vnn_lB 37 0
5 HD 4158 * 00 43 54.0507216077 -20 23 59.224550251   9.76 9.54     F2VkA1.5mA1.5_lB 36 0
6 HD 5789 * 01 00 03.5576653786 +44 42 47.689812899   6.01 6.05     B9.5Vnn_lB 54 1
7 HD 6173 * 01 03 29.8962019509 +50 32 15.680418487   8.65 8.52     A0IIIn 16 0
8 V* BS Tuc dS* 01 08 03.9684578139 -61 52 17.819432212   7.71 7.45     hF0mA1_lB 90 0
9 HD 7908 * 01 18 25.3735394167 -23 00 47.602319343   7.569 7.302     F0VmA3_lB 44 0
10 V* BD Phe dS* 01 50 54.4351104603 -50 12 22.093636860   6.080 5.929     F0VkA2mA2_lB 97 0
11 * gam02 Ari PM* 01 53 31.8118643437 +19 17 37.882581778   4.49 4.52     A2IVpSiSrCr 152 0
12 * gam01 Ari PM* 01 53 31.8192032943 +19 17 45.430793660   4.558 4.589 6.71   A0Vnp_lB 77 0
13 V* CV Phe dS* 02 12 47.0861323060 -44 29 20.456122360   8.11 7.83     F1VkA8mA8(_lB) 24 0
14 HD 15165 dS* 02 26 45.6479225723 +10 33 55.067355855   6.94 6.69     F0IV 86 0
15 HD 16955 * 02 43 51.2434069179 +25 38 18.051110591   6.46 6.39 7.45   A3V 36 0
16 HD 21335 ** 03 27 03.2369196501 +18 45 23.582016558   6.72 6.57     A3V 63 0
17 * 20 Eri a2* 03 36 17.4035146652 -17 28 01.453372131 4.61 5.10 5.23     B8/9III 165 0
18 HD 23258 * 03 44 28.2036044846 +20 55 43.450013193   6.100 6.074     A0Vp_lB 51 0
19 HD 23392 * 03 44 32.7249108367 -08 35 12.463543073   8.29 8.24     A0Va-_lB 25 0
20 HD 24472 * 03 52 49.7456105989 -22 16 34.601364438   7.40 7.10     A9V 33 0
21 HD 26801 * 04 18 11.0176104989 +61 54 45.251341385   7.72 7.72     B9 14 0
22 V* EX Eri dS* 04 46 25.7495931083 -28 05 14.805481115   6.347 6.173     A7VkA3mA3 109 0
23 * pi.02 Ori * 04 50 36.7229825 +08 54 00.649333 4.39 4.36 4.35 4.29 4.29 A1Vn 164 0
24 * pi.01 Ori PM* 04 54 53.7287660 +10 09 02.995200   4.723 4.648     A0Va_lB 242 0
25 * 16 Cam PM* 05 23 27.8419453452 +57 32 39.836407478 5.150 5.230 5.250   5.23 A0Vne 57 0
26 V* V1649 Ori dS* 05 23 31.0657241182 +05 19 23.115622158   6.455 6.334     hA3VamA1_lB 41 0
27 CCDM J05313-0029AB ** 05 31 18.752 -00 29 24.24   9.47 9.39     A0 20 0
28 HD 36726 * 05 33 51.7276599728 -00 04 36.342169054   8.94 8.85     hA5VkA0mA0_lB 37 1
29 HD 294253 * 05 36 41.7833157594 -03 30 12.473268720   9.68 9.67     A0 26 0
30 HD 36496 ** 05 37 16.0241407 +66 41 48.090148 6.550 6.500 6.290     A8Vn 53 1
31 HD 37411 Or* 05 38 14.5075249942 -05 25 13.317577897 10.03 9.91 9.79 9.60 9.45 hA3VakA0mA0(eb)_lB 83 0
32 V* V1790 Ori dS* 05 40 24.2914951547 -00 46 16.754572231   10.8 10.8     A0 27 0
33 HD 37886 * 05 41 32.0065566139 -02 58 26.598406966   8.956 8.979 9.67 9.51 B8III 27 0
34 * 131 Tau ** 05 47 13.1536316 +14 29 17.967416   5.785 5.721     A3Vn 98 0
35 HD 39421 * 05 52 07.7291332434 -09 02 30.840453230   6.045 5.960     A0V 54 0
36 * ksi Aur * 05 54 50.7643476114 +55 42 25.076706516   5.005 4.960     A2V 114 0
37 HD 41580 * 06 06 28.0434154946 +10 45 01.019278310   7.13 7.19     A0 24 0
38 * 53 Aur ** 06 38 23.0100918845 +28 59 03.622016069   5.761 5.744     B9Mn+F0m 128 0
39 HD 261904 Y*O 06 41 00.6866630013 +09 24 11.908313569   10.38 10.3     A0/1 36 0
40 HD 54272 RR* 07 08 53.8545170228 +19 19 38.068439507   9.02 8.77     A5 18 0
41 HD 56405 * 07 16 14.5534169283 -15 35 08.472430352   5.519 5.447     A1V 69 0
42 V* DD Lyn dS* 07 55 40.8263456114 +35 24 45.669980557   6.478 6.221     A3p 65 0
43 HD 66684 ** 08 05 37.05577 +27 31 47.0419   6.22 6.21     B9.5Vp_lB+A0Vnp 42 0
44 * 50 Cnc PM* 08 46 56.0191877567 +12 06 35.830526746   5.992 5.885 7.20 5.76 A1Vp 82 0
45 V* HZ Vel dS* 08 49 52.3521085534 -39 08 29.770890153   6.602 6.368     A2/3II/III 65 0
46 HD 79108 PM* 09 12 12.8805445279 +03 52 01.126391034   6.127 6.131     A0V 70 0
47 HD 81290 Pe* 09 23 02.0653762536 -49 03 30.791826501   9.15 8.89     F4VkA3mA3_lB? 49 0
48 * 21 UMa ** 09 25 37.84525 +54 00 57.3021           A2Vnp 19 0
49 V* AK Ant dS* 09 34 56.5519422925 -28 52 39.330592954   9.10 8.79     F1VkA3mA3_lB? 53 0
50 HD 83277 Pe* 09 36 31.8227093397 -27 57 45.136257201   8.57 8.29     F2VkA3mA3_lB? 38 0
51 HD 84123 PM* 09 44 06.8765461366 +42 03 03.131298842   7.135 6.838     A4III 50 0
52 HD 84948 SB* 09 50 05.8774942991 +49 04 31.750979246   8.42 8.12     F0 49 0
53 V* GM Leo dS* 10 04 08.3785307660 +11 37 42.648804269 7.330 7.310 7.130     A0 34 0
54 * 21 LMi dS* 10 07 25.7629578 +35 14 40.896470 4.74 4.67 4.49 4.31 4.24 A7V(n) 214 0
55 HD 89353 pA* 10 18 07.5892879413 -28 59 31.194541133   5.76 5.53     B9.5Ib/II 288 0
56 HD 89239 * 10 18 10.5141626855 +27 24 55.729320746   6.498 6.523     A0V 64 0
57 HD 90821 * 10 29 37.0987720698 +26 10 58.571898631   9.54 9.45     F0 18 0
58 * 33 LMi * 10 31 51.3746360193 +32 22 46.412107377   6.001 5.905     A0Va- 64 0
59 HD 97773 ** 11 15 28.69772 +47 28 46.1881   7.80 7.55     A5 37 0
60 HD 97937 PM* 11 15 57.8027023065 +12 50 41.278128235   6.934 6.645     F0V 39 0
61 * 55 UMa SB* 11 19 07.8903037922 +38 11 08.045730373   4.90 4.80     A2V 126 0
62 HD 98772 * 11 22 51.2437905712 +64 19 49.843190242 6.180 6.110 6.030     A3V 52 0
63 HD 101108 * 11 38 19.3665601704 +38 45 16.899688742   9.05 8.87     A5_lB 39 0
64 V* V1023 Cen dS* 11 47 59.7573720236 -40 17 29.471529535   8.18 7.94     A9VkA5mA5(_lB) 29 0
65 HD 105058 dS* 12 05 43.3557996963 +49 40 55.995517673   9.05 8.88     A2p 58 0
66 V* II Vir dS* 12 10 27.1883712510 -07 46 26.310983032   6.73 6.54     A3III 26 0
67 HD 106223 PM* 12 13 16.8985951261 +30 16 58.950109119 7.64 7.72 7.44     hF3VkA3mA3_lB 87 0
68 HD 107233 PM* 12 19 55.6449203485 -48 18 59.468148848   7.60 7.36     hF0VakA1mA1_lB 37 0
69 * 14 Com * 12 26 24.0646051622 +27 16 05.684514302 5.40 5.22 4.95 4.70 4.55 F1IV:npS_sh 154 0
70 HD 109738 * 12 37 38.0629096186 -67 51 53.375811626   8.50 8.30     hA9VkA1mA1_lB 32 0
71 * 9 CVn * 12 38 46.2768496026 +40 52 28.788967689   6.547 6.352     A6Vp_lB 42 0
72 * 27 Vir dS* 12 41 34.3919287835 +10 25 34.567731169   6.408 6.215     A6Vp 65 0
73 * rho Vir dS* 12 41 53.0567802922 +10 14 08.229084878 5.00 4.97 4.88 4.80 4.78 A0Va_lB 210 0
74 HD 111005 * 12 46 14.8232750824 +02 27 51.466749998   8.30 7.97     A9V 37 0
75 V* DT CVn dS* 12 50 10.7399345981 +37 31 00.980973965   6.025 5.872     A5Vp_lB 91 0
76 V* MO Hya dS* 12 51 57.8969100913 -26 44 17.797063067   6.358 6.141     F0VkA1mA1_lB 114 0
77 * 41 Vir PM* 12 53 49.7206724616 +12 25 06.222753707   6.522 6.241     kA7hF0mF0(V) 76 0
78 * 25 CVn ** 13 37 27.62782 +36 17 41.6337   5.05 4.82     A7III+A8V: 139 0
79 V* FQ Boo dS* 13 49 44.1555631872 +08 24 31.089806068   6.717 6.604     hA5VkA2mA2_lB 43 0
80 V* QT Vir dS* 13 52 09.3007652938 +06 00 04.840971849   8.76 8.51     hF0VkA6mA6_lB 24 0
81 * lam Boo dS* 14 16 23.0187965 +46 05 17.900526 4.31 4.26 4.18 4.16 4.13 A0Va_lB 327 0
82 HD 125489 ** 14 19 40.9502449347 +00 23 03.608718529   6.377 6.179     A7Vn 48 0
83 HD 125889 * 14 23 15.7477855463 -35 49 55.023833751   10.08 9.81     F1VkA4mA4(_lB?) 19 0
84 * 55 Hya * 14 47 22.5559158895 -25 37 27.362345805   5.562 5.609     B9IV/V 70 0
85 HD 130767 * 14 49 28.7082515018 +19 30 37.313424431   6.94 6.90   6.85 A0Va_lB 27 0
86 * tau02 Ser * 15 32 09.6749492945 +16 03 22.205557751   6.184 6.216     B9V 55 0
87 * b Ser ** 15 51 15.5941805 -03 05 25.793806   5.23 5.10     A2IV-Vn 105 0
88 V* HR Lib dS* 15 56 33.3735361896 -14 49 45.972376397   6.345 6.117     A2Ib/II 106 0
89 V* IN Lup dS* 15 59 10.9040173976 -38 44 54.940579221   7.46 7.17     F2VkA3mA3_lB? 46 0
90 * 11 Sco * 16 07 36.4157427037 -12 44 43.461505629   5.77 5.77     B9V 56 0
91 HD 149303 * 16 31 47.2283629879 +45 35 53.746886684 5.850 5.78 5.68 7.16   A2Vn_lB 57 0
92 V* NP TrA dS* 16 33 05.1549259176 -60 54 12.846211369   8.09 7.90     A2IVn 22 0
93 HD 149130 * 16 36 38.5934212065 -62 38 52.614912890   8.79 8.48     A8w 30 0
94 * eps Her SB* 17 00 17.3737789 +30 55 35.056489 3.80 3.91 3.92 3.93 3.97 A0V 160 0
95 HD 153747 dS* 17 02 53.8269754192 -38 27 36.819889435   7.54 7.42     A7VkA0mA0_lB 49 1
96 HD 154153 * 17 05 48.4607447649 -44 06 18.164029462   6.450 6.178     F1VkA3mA3_lB? 51 1
97 HD 156954 * 17 21 00.3553365771 -13 05 07.623145971   7.97 7.67     F0.5VkA9mA9 40 1
98 HD 159082 SB* 17 32 14.8802759533 +11 55 48.184013482 6.260 6.440 6.450     B9.5V 83 0
99 HD 160928 * 17 44 42.0078963976 -42 43 45.538012256   6.027 5.871     A3IVn 37 1
100 * phi Dra a2* 18 20 45.43224 +71 20 16.1499   4.15 4.22     B8V 184 0
101 HD 169009 * 18 23 02.1043811864 -10 13 08.150302239   6.443 6.313     B9III 49 0
102 * eps Sgr ** 18 24 10.31840 -34 23 04.6193 1.69 1.82 1.85 1.85 1.86 B9IVp_lB? 198 0
103 V* V704 CrA dS* 18 24 30.0555933927 -44 11 56.685725998   8.35 8.11     F0VkA3mA3_lB 22 0
104 V* V346 Pav dS* 18 25 31.6299481485 -63 01 17.532599707   6.313 6.122     A8VkA2mA2_lB 65 0
105 HD 170680 * 18 31 26.2981687662 -18 24 09.706451275   5.126 5.117     B9/9.5V 78 0
106 HD 171948 SB* 18 36 37.0231010931 +22 06 27.292508161   6.82 6.77     B9 32 1
107 HD 174005 * 18 48 39.4932291192 -06 00 15.526364327   6.717 6.494     A7VkA2mA2_lB 29 0
108 HD 175445 * 18 55 33.2830882627 -02 18 23.651443765   7.90 7.79     A2Va 18 1
109 HD 177120 * 19 04 14.19485 -22 53 47.4664   7.03 6.88     A1III-IV(e) 17 1
110 * lam Aql PM* 19 06 14.9397099975 -04 52 57.231496924 3.07 3.34 3.43 3.46 3.55 B8.5V 208 0
111 HD 179791 V* 19 13 44.0314585201 +05 30 56.172510631 6.69 6.58 6.49     A3V 49 0
112 * c Aql dS* 19 29 00.9870438377 +01 57 01.618441082   5.865 5.783     A0IVp 166 0
113 HD 184190 * 19 34 55.2809746724 -39 47 26.250033685   10.02 9.74     A7/9s(w) 16 0
114 HD 184779 * 19 37 59.4733698597 -43 54 28.031115023   9.17 8.90     F0VkA5mA5(_lB) 25 0
115 HD 191850 V* 20 13 54.5078336199 -46 33 23.194742463   9.87 9.69 9.6 10.953 A9VkA3mA3_lB 24 0
116 HD 192424 ** 20 14 04.531 +22 13 21.56           A0 24 0
117 * b03 Cyg dS* 20 14 32.0319919055 +36 48 22.684605093 5.10 5.11 4.99 4.79 4.72 A2V 242 0
118 IDS 20132+3923 ** 20 16 48.53244 +39 41 50.3589   7.68 7.73     B9V 21 1
119 HD 193256 * 20 20 26.5741252340 -29 11 28.761537820   7.703 7.525 8.49   A8VnkA3mA3(_lB) 62 0
120 HD 193281 * 20 20 27.8805474206 -29 11 49.975108388   6.76 6.64 7.50   A2IV-V 91 0
121 HD 196821 V* 20 39 10.6492339868 +21 49 02.784166008   6.027 6.075     A0III 49 0
122 CD-62 1338A PM* 20 51 38.5079641449 -62 25 45.594366275   6.35 6.21 6.55   A3IV(n) 69 0
123 CD-62 1338B PM* 20 51 38.8562507171 -62 25 45.255721251   6.74 6.56     A3III 33 0
124 HD 200841 * 21 04 42.6231758533 +41 00 28.785160035   8.33 8.28     A 18 0
125 HD 204041 PM* 21 25 51.5846178730 +00 32 03.619939380   6.593 6.450     A1Vb 95 0
126 HD 204965 * 21 30 20.3334893860 +52 57 28.790964586   6.079 6.007     A3V 30 0
127 HD 210111 dS* 22 08 42.6438955365 -33 07 32.498239929   6.564 6.386     A9VkA2mA2_lB 73 0
128 * tet Peg PM* 22 10 11.9852752 +06 11 52.307750 3.72 3.62 3.55 3.50 3.46 A1Va 164 0
129 HD 212150 * 22 18 20.4294352213 +76 29 16.949228995 6.550 6.640 6.630     A1Vn 29 0
130 * 9 Lac PM* 22 37 22.4172656 +51 32 42.438341 4.98 4.87 4.63 4.41 4.27 A9VkA7mA6 71 0
131 HD 216847 * 22 57 22.0095939150 -56 52 30.697149869   7.29 7.06     A7V 26 0
132 * 2 And ** 23 02 36.38176 +42 45 28.0628           A1V 159 0
133 HD 218396 El* 23 07 28.7156905667 +21 08 03.302133882   6.21 5.953     F0+VkA5mA5 916 0
134 * tau Peg dS* 23 20 38.2439836933 +23 44 25.272919327   4.745 4.580     A5Vp_lB 175 0
135 * 97 Aqr ** 23 22 39.17113 -15 02 21.6245   5.43 5.22     A3V 105 0
136 * 15 And dS* 23 34 37.5365247800 +40 14 11.179472901   5.652 5.563 6.91   A1Va 127 0
137 * del Scl PM* 23 48 55.54658 -28 07 48.9745 4.55 4.58 4.57 4.53 4.55 A0VankB9((_lB)) 134 0

    Equat.    Gal    SGal    Ecl

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2020.11.30-21:25:41

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