2018A&A...619A.148N

Query : 2018A&A...619A.148N

2018A&A...619A.148N - Astronomy and Astrophysics, volume 619A148-148 (2018/11-1)

Hot stars observed by XMM-Newton. II. A survey of Oe and Be stars.

NAZE Y. and MOTCH C.

Abstract (from CDS):

We perform a survey of Oe and Be stars in the X-ray range. To this aim, we cross-correlated XMM-Newton and Chandra catalogs of X-ray sources with a list of Be stars, finding 84 matches in total. Of these, 51 objects had enough counts for a spectral analysis. This paper provides the derived X-ray properties (X-ray luminosities, and whenever possible, hardness ratios, plasma temperatures, and variability assessment) of this largest ever sample of Oe and Be stars. The targets display a wide range in luminosity and hardness. In particular, the significant presence of very bright and hard sources is atypical for X-ray surveys of OB stars. Several types of sources are identified. A subset of stars display the typical characteristics of O-stars, magnetic OB stars, or pre-main-sequence (PMS) objects: their Be nature does not seem to play an important role. However, another subset comprises γ Cas analogs, which are responsible for the luminous and hard detections. Our sample contains seven known γ Cas analogs, but we also identify eight new γ Cas analogs and one γ Cas candidate. This nearly doubles the sample of such stars.

Abstract Copyright: © ESO 2018

Journal keyword(s): stars: early-type - stars: emission-line Be - X-rays: stars - stars: individual: γ Cas

VizieR on-line data: <Available at CDS (J/A+A/619/A148): table1.dat table2.dat table3.dat table4.dat table5.dat refs.dat>

Simbad objects: 105

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Number of rows : 105
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 * gam Cas HXB 00 56 42.5310945 +60 43 00.264089 1.18 2.29 2.39 2.32 2.40 B0.5IVpe 1253 0
2 * alf Eri Be* 01 37 42.84548 -57 14 12.3101 -0.36 0.30 0.46 0.49 0.60 B6Vpe 495 1
3 HD 12882 Be* 02 08 45.4368570096 +65 02 14.726502060 7.36 7.940 7.618     B2.5III:[n]e+ 75 0
4 EM* GGA 154 Be* 02 19 08.6306583552 +57 03 48.981718584     12.4462   11.8649 B5Ve 17 0
5 NGC 869 1164 Be* 02 19 14.1288736896 +57 11 09.341472192   15.296 14.722   14.029 B9.5V 7 0
6 NGC 869 1171 * 02 19 14.2988521536 +57 11 04.914116088   14.373 13.798   13.1379 B7.6V 7 0
7 HD 14162 Be* 02 19 27.4668283440 +57 08 17.649813192 9.26 9.605 8.4634 9.42 7.8474 B0.5V 61 0
8 EM* GGA 161 Be* 02 21 24.9235468080 +57 11 52.452949236   12.600 12.2582   11.6331 B3.3III 24 0
9 NGC 884 2079 Be* 02 21 43.0217716632 +57 18 29.809657116   10.40 9.573     ~ 13 0
10 NGC 884 OpC 02 22 15.7 +57 08 59           ~ 503 0
11 HD 17505 ** 02 51 07.97514 +60 25 03.8720 6.83 7.47 7.07     O6.5III((f))n+O8V 205 0
12 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
13 HD 19818 * 03 08 26.0857999200 -59 22 25.393466964   9.17 9.06     B9/A0Vn(e) 28 0
14 * 23 Tau Be* 03 46 19.5858871361 +23 56 54.092177220 3.70 4.12 4.18   4.16 B6IV(e) 446 2
15 * ksi Per ** 03 58 57.9024302099 +35 47 27.709515737 3.190 4.080 4.060 3.88 3.89 O7.5III(n)((f)) 850 0
16 * lam Eri Be* 05 09 08.7840557047 -08 45 14.701594805 3.17 4.07 4.27 4.35 4.55 B2III(e)p 316 1
17 * psi01 Ori Be* 05 24 44.8273848312 +01 50 47.201915688 3.83 4.76 4.96 5.04 5.26 B1Vn 372 0
18 V* V1230 Ori Or* 05 35 20.7204225144 -05 21 44.345341872 9.886 10.041 9.736 9.25 8.822 B1 97 0
19 * tet02 Ori A SB* 05 35 22.9012398264 -05 24 57.832632108 5.37 6.30 6.39 6.30 6.35 O9.5IVp 576 0
20 HD 42054 Em* 06 07 03.6694879368 -34 18 43.279841124 5.14 5.709 5.836     B5Ve 80 0
21 HD 45314 Be* 06 27 15.7784072112 +14 53 21.212913660 5.91 6.79 6.64     O9:npe 183 0
22 EM* GGA 395 Or* 06 31 29.7614837531 +04 54 49.143176800 13.196 11.72 11.41 11.94 11.97 B7Ve 39 0
23 NGC 2244 194 Y*O 06 32 15.4828528224 +04 55 20.392268772 12.791 12.322 12.006 11.50 11.53 B6Vne 31 0
24 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.45 4.68   4.88 O7V+B1.5/2V 823 0
25 * 19 Mon bC* 07 02 54.7772531316 -04 14 21.235613879 3.87 4.80 5.00 5.06 5.25 B2Vn(e) 205 0
26 HD 55135 Be* 07 11 20.8472011008 -10 25 43.779582048 6.63 7.24 7.32     B3Vnne 47 0
27 HD 57682 * 07 22 02.0546074728 -08 58 45.766323408 5.20 6.24 6.43     O9.2IV 275 0
28 HD 60848 Be* 07 37 05.7325392528 +16 54 15.300327852 5.55 6.67 6.87     O8:V:pe 150 0
29 HD 63215 Be* 07 46 10.5442184088 -37 56 01.239555912   5.755 5.869     B5V 66 0
30 HD 66194 Be* 07 58 50.5509433080 -60 49 28.060460040 4.92 5.72 5.81 5.77 5.83 B3Vn 153 0
31 HD 90563 Em* 10 25 52.4600540400 -58 47 07.130161932 9.98 10.29 9.86 10.12   OB 32 0
32 HD 90599 Be* 10 26 07.1205987408 -58 37 01.920984708 8.72 9.24 9.21     B3/5(III) 25 0
33 HD 303075 Be* 10 35 32.2824035520 -58 15 22.246168032 9.21 10.02 9.97 10.15 9.80 Be 41 0
34 Cl* NGC 3293 FM 32 * 10 35 52.2241813560 -58 12 39.065193972   13.07 12.87     B8Ve 13 0
35 HD 93190 Be* 10 44 19.6107364872 -59 16 58.802853324 8.12 9.10 8.84 9.24   O9.7:V:(n)e 68 0
36 HD 93843 Er* 10 48 37.7715351864 -60 13 25.518487656 6.37 7.29 7.33 8.23   O5III(fc) 184 0
37 HD 305627 Be* 10 51 10.0948417344 -60 41 34.087493976   10.15 10.03 10.37   OB 25 0
38 HD 305891 Be* 11 02 30.006360 -60 48 55.84032   10.160 10.033 10.156   B3Ve 14 0
39 HD 306111 Be* 11 09 19.8231967128 -61 06 05.348063088 9.52 10.29 10.16 10.19   B2Ve 31 0
40 * gam UMa Em* 11 53 49.8473166 +53 41 41.135025 2.440 2.450 2.440 2.44 2.47 A0V 417 0
41 HD 105382 Be* 12 08 05.2222663992 -50 39 40.575451536 3.65 4.32 4.47 4.53 4.70 B5V 186 0
42 * del Cen Be* 12 08 21.4976373 -50 43 20.738614 1.51 2.39 2.52 2.48 2.62 B2Vne 320 0
43 HD 110432 HXB 12 42 50.2663572384 -63 03 31.052981412 4.79 5.58 5.31     B0.5IVpe 334 0
44 V* BQ Cru Be* 12 43 32.8068543408 -63 06 11.810848968   12.6 11.5     Be 20 0
45 HD 117172 Be* 13 30 41.7976251336 -69 36 52.238258064   9.12 9.02     B9II/III 14 0
46 HD 117357 bC* 13 31 15.4959291912 -61 43 57.436151880 8.51 9.84 9.58 9.61   O9.5/B0V 53 0
47 HD 119682 HXB 13 46 32.5709610312 -62 55 24.156893676 7.26 7.978 7.901 8.72   B0Ve 76 0
48 UPM J1349-4228 PM* 13 49 01.2657295224 -42 28 42.265210836   14.94 13.32 11.7   ~ 8 0
49 * mu. Cen Be* 13 49 36.9886872492 -42 28 25.440271450 2.37 3.27 3.43 3.41 3.50 B2Vnpe 453 0
50 HD 120991 Be* 13 53 57.2397645360 -47 07 41.390612184 5.11 6.03 6.10 6.24 6.34 B2Ve 145 0
51 HD 126004 Be* 14 25 15.90360 -61 19 11.5860 9.26 9.63 9.42     B3/5 27 0
52 HD 130437 Be* 14 50 50.2529109240 -60 17 10.355677188 10.20 10.66 10.04 9.93   B1Ve 71 0
53 HD 142184 Be* 15 53 55.8637866220 -23 58 41.143370530 4.77 5.352 5.402     B2V 261 1
54 * 48 Lib Be* 15 58 11.3682502453 -14 16 45.681109093 4.61 4.77 4.87 4.91 4.96 B5IIIp_sh 446 0
55 * del Sco SB* 16 00 20.00528 -22 37 18.1431 1.30 2.20 2.32 2.36 2.49 B0.3IV 776 0
56 * zet Oph Be* 16 37 09.5400587698 -10 34 01.509742704 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1908 0
57 HD 153295 HXB 17 00 25.2435659064 -42 19 00.279910236 9.05     9.52   B2e 86 0
58 HD 155806 Be* 17 15 19.2478670712 -33 32 54.299379012 4.61 5.52 5.53     O7.5V((f))z(e) 240 0
59 * gam Ara Be* 17 25 23.6593111 -56 22 39.814775 2.25 3.21 3.34     B1Ib 281 0
60 HD 157832 Be* 17 27 54.8113451976 -47 01 34.397043672 5.81 6.636 6.663     B2ne 75 0
61 * alf Ara Be* 17 31 50.4915282 -49 52 34.122041 2.09 2.78 2.95 3.05 3.29 B2Vne 269 0
62 HD 158503 Be* 17 33 11.3470275912 -58 33 27.115497684   7.20 7.03     B(7)Vnnep 31 0
63 NGC 6383 24 * 17 34 47.9401337040 -32 35 20.260696704   11.52 11.32 11.44   B5-7V 19 0
64 HD 161103 HXB 17 44 45.7656635952 -27 13 44.478959340 8.44 9.23 9.13 9.12   B0.5III/IVe 95 0
65 HD 316341 Be* 17 48 35.5328315880 -29 57 28.789787376 9.66 10.11 9.88 9.64   B0Ve 47 0
66 HD 162718 Be* 17 53 28.4430245688 -24 46 27.644544516 8.94 9.30 8.75 9.38   B3/5ne 61 0
67 HD 316568 Be* 17 54 42.7048988520 -29 43 47.633086740 9.39 9.86 9.66 9.91   B3 39 0
68 V* V2282 Sgr Or* 18 02 16.8116259264 -23 03 47.334461004       15.02 14.07 ~ 10 1
69 EM* LkHA 123 Em* 18 02 23.13015 -23 01 59.9462   8.72 6.80 9.37   B1V 49 0
70 HD 164492B sg* 18 02 23.7095503200 -23 01 45.155769456   8.0 12.06     B2Vnn 24 0
71 CPD-24 6152 Y*O 18 04 11.1598510296 -24 21 45.175823136   10.497 10.374   10.140 B2V 30 0
72 HD 164906 Be* 18 04 25.8330927672 -24 23 08.363828580 6.78 7.61 7.381 7.11 6.91 B0Ve 133 0
73 NGC 6530 74 Y*O 18 04 28.9891584504 -24 25 26.121604116 10.891 10.817 10.695   10.422 B2-B5 30 0
74 CPD-24 6176 Y*O 18 04 32.9189018640 -24 18 44.497260936 10 10.61 10.454 10.61 10.245 B2.5Vne 38 0
75 HD 164947 Be* 18 04 41.65848 -24 20 56.9508 8.20         B2VI 47 0
76 HD 164947A Y*O 18 04 41.6750235912 -24 20 58.700349708       9.85   B2V+ 10 0
77 HD 165202 Be* 18 05 33.3137365536 -19 45 15.140136600   7.20 7.05     B9V 23 0
78 HD 165783 Be* 18 08 27.0939756360 -19 52 07.946430240 8.20 8.69 8.37 9.11   B3/5Ib 32 0
79 NGC 6611 243 Y*O 18 18 39.7527077952 -13 46 56.379017100 14.979 14.453 13.705   12.728 B8Ve 25 0
80 BD-13 4928 Be* 18 18 42.7761777816 -13 46 50.969988732 10.05 10.604 10.044 10.23 9.345 O9.7IVnn 72 0
81 NGC 6611 310 Y*O 18 18 46.1271916305 -13 54 37.165958507 15.153 14.37 13.59   12.591 ~ 14 0
82 BD-13 4933 Be* 18 19 04.8784525032 -13 48 20.444449032 11.259 11.095 10.628   9.915 B0.5Vn 51 0
83 EM* AS 315 Em* 18 41 00.1059829920 -05 27 51.678218844   10.5 11.3     ~ 8 0
84 HD 174237 Be* 18 46 43.0891606728 +52 59 16.654686648 5.06 5.80 5.90     B3+F5III 212 0
85 HD 344783 Be* 19 43 06.7883997960 +23 16 12.395020404 12.28 10.16 9.85 9.770   O9.7III 61 0
86 HD 225985 Be* 19 49 32.9131999248 +32 57 22.291957476 8.41 9.19 9.16     B1V:pshe 37 0
87 HD 190864 Em* 20 05 39.8022808800 +35 36 27.991297908 7.18 7.93 7.78     O6.5III(f) 233 0
88 HD 228438 Be* 20 13 50.2840675536 +36 37 22.551943476   8.699 8.37     B0.5III 37 0
89 HD 228860 Be* 20 18 51.5524587120 +36 57 40.936479696 9.96 10.22 9.72     B0.5IV 30 0
90 Schulte 64 Be* 20 33 18.5309527200 +41 15 35.149489128 18.17 17.24 14.88     B1Ve-B3Ve 30 0
91 V* W Del SB* 20 37 40.0858816920 +18 17 03.755963580   9.89 9.81     A0 152 0
92 HD 198931 Be* 20 52 09.7161395736 +44 26 04.596038160 9.00 9.31 8.72     B1Ve 67 0
93 BD+43 3913 Be* 21 25 02.4437067432 +44 27 06.376740300 9.07 9.33 8.91     B1.5V:nnep 63 0
94 * bet Cep bC* 21 28 39.5968513 +70 33 38.574681 2.05 3.01 3.23 3.33 3.55 B0.5IIIs 756 0
95 * eps Cap Be* 21 37 04.8311169408 -19 27 57.640399810 3.69 4.35 4.55 4.60 4.74 B3V 266 0
96 HD 208392 Be* 21 53 48.1028849616 +62 36 51.923017728 6.74 7.20 7.03     B1Vn 165 0
97 * pi. Aqr Be* 22 25 16.6230017410 +01 22 38.634449478 3.64 4.60 4.64 4.48 4.48 B1III-IVe 436 0
98 HD 215227 HXB 22 42 57.3031579265 +44 43 18.259103226 8.07 8.84 8.78     B1.5-2III 157 0
99 EM* MWC 659 Be* 22 47 45.3690745128 +57 16 50.803242924 9.98 10.42 10.15     B0.5Ve 31 0
100 BD+61 2355 Be* 22 52 29.1951267960 +62 41 09.751970472 9.87 9.90 9.63     B7IV 21 0
101 ZTF J225315.78+623526.2 Y*O 22 53 15.7880376024 +62 35 26.199841380   16.88 15.52 13.86 13.25 ~ 9 0
102 1RXS J225352.8+624354 HXB 22 53 55.1257181040 +62 43 36.791646492 17.64 17.38 15.61 13.3 13.29 BIII 35 0
103 HD 218066 Be* 23 04 02.2270838832 +63 23 48.722060508 7.50 7.97 7.6     B1.5Vn 290 0
104 HD 220058 Be* 23 20 19.0150387584 +55 48 28.075999176 8.05 8.76 8.59     B2 51 0
105 * bet Scl PM* 23 32 58.2607029954 -37 49 05.825575113 3.92 4.28 4.37 4.37 4.44 B9.5IIIpHgMnSi 194 0

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