2019MNRAS.487.5922G

Query : 2019MNRAS.487.5922G

2019MNRAS.487.5922G - Mon. Not. R. Astron. Soc., 487, 5922-5931 (2019/August-3)

Statistical analysis of roAp, He-weak, and He-rich stars.

GHAZARYAN S., ALECIAN G. and HAKOBYAN A.A.

Abstract (from CDS):

To enlarge our data base of chemically peculiar stars, we compiled published data concerning the He-weak and He-rich stars observed by high-resolution spectroscopy techniques during last decades. Twenty He-weak and 28 He-rich stars have been added to the data base. We have also distinguished roAp stars from stars previously identified as Ap stars. To deepen our knowledge on statistical overview of the abundance anomalies versus the physical parameters of stars, we compared our data with previous compilations. We applied statistical tests on our data and found interesting correlations for effective temperature and surface gravity for all type of stars and a few correlations for projected rotation velocity only for He-rich stars. Because of the lack of the data, we could not check whether being a member of binary system is affecting on chemical peculiarities of those stars.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): methods: statistical - techniques: spectroscopic - catalogues - stars: abundances - stars: chemically peculiar - stars: individual: (roAp, He-weak and He-rich)

VizieR on-line data: <Available at CDS (J/MNRAS/487/5922): cpstars.dat refs.dat>

Simbad objects: 92

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Number of rows : 92
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 * 29 Psc V* 00 01 49.4481127032 -03 01 39.011820024 4.47 4.98 5.10     B7III-IV 224 0
2 HD 965 Pe* 00 14 04.0648431696 -00 02 00.098903652   8.94 8.57     A1III-IVSrSiEu 75 0
3 * ksi Phe a2* 00 41 46.3972997520 -56 30 04.738422240   5.90 5.70     A3VpSrCr_Ksn 133 0
4 * alf Scl Ro* 00 58 36.3592644040 -29 21 26.832190995 3.52 4.09 4.27 4.30 4.43 B7IIIp 250 0
5 V* GY And a2* 01 38 31.8255225672 +45 23 58.935650100   6.343 6.380     A2:VpSiSrCrEu 258 0
6 HD 12098 a2* 02 00 40.1774521766 +58 31 37.130534305   8.47 8.08 8.758   ~ 49 0
7 HD 21699 Pu* 03 32 08.6084197968 +48 01 24.528548676 4.81 5.355 5.461     B9III 208 0
8 * 20 Tau PM* 03 45 49.6081548365 +24 22 03.877565838 3.40 3.80 3.87 3.85 3.90 B8III 434 1
9 V* DO Eri a2* 03 55 16.1313315312 -12 05 56.727712752 6.35 6.32 6.00     A9VpSrEuCr 397 0
10 HD 30122 * 04 45 42.4670020968 +23 37 40.775315448   6.386 6.329     B 66 0
11 * del02 Ori SB* 05 32 00.4064140728 -00 17 04.347484800 5.97 6.67 6.83     B2Vsn 284 0
12 V* V1046 Ori SB* 05 35 21.8667428568 -04 29 39.024375324 5.66 6.43 6.56 6.61 6.74 B2/3V 303 0
13 HD 37058 Or* 05 35 33.3539646576 -04 50 15.181113696 6.40 7.18 7.30     B3/5II 163 0
14 * sig Ori E Y*O 05 38 47.2050040320 -02 35 40.521424812 5.66 6.38 6.46 6.84 7.08 B2IV-Vp_He 458 0
15 V* V901 Ori Ro* 05 40 56.3704617744 -01 30 25.856677224 5.96 6.82 6.96     B2V 334 2
16 HD 37752 * 05 41 54.7629137880 +23 19 34.429895148   6.482 6.563     B8p 61 0
17 V* UV Lep a2* 06 11 21.7521470568 -15 47 35.016189504   7.01 6.75     ApSrCrEu 63 0
18 HD 44533 Be* 06 14 41.9418058464 -73 37 35.434849728   6.56 6.59     B8IVe 23 0
19 HD 44953A a2* 06 23 47.6538648421 -19 47 07.419008723   6.73 6.87     ~ 55 0
20 HD 44953 ** 06 23 47.65388 -19 47 07.4067   6.729 6.867     B8III 57 0
21 HD 260858 bC? 06 37 46.7077028544 +12 46 05.032527852   9.22 9.15     ~ 27 0
22 HD 264111 * 06 47 53.8569554424 +04 40 00.850904832 9 9.64 9.57     ~ 52 0
23 CD-27 3748 * 07 12 02.2903052112 -27 43 04.869681420 8.21 9.04 9.25 9.78   OB- 37 0
24 HD 58260 * 07 23 19.5997521648 -36 20 24.538554852 5.87 6.61 6.73     B2/3Vp 100 0
25 V* V409 Car a2* 07 30 56.9886639144 -57 59 28.238685684   9.13 8.89     ApSr(Eu) 125 0
26 HD 60344 * 07 33 02.1373084440 -23 56 03.348474360 6.71 8.49 9.09 8.62   B2III 78 0
27 * k02 Pup V* 07 38 49.8707332608 -26 48 13.849787556   4.26 4.429     B5IV 60 0
28 HD 64740 * 07 53 03.6344819483 -49 36 46.956285817 3.48 4.40 4.63 4.76 4.97 B2V 211 0
29 HD 66522 * 08 01 35.1013259760 -50 36 20.164873212 6.61 7.26 7.19     B2III 53 0
30 * 53 Cam a2* 08 01 42.4403874648 +60 19 27.806833200   6.177 6.008     A3VpSrSiCrEu 400 0
31 HD 68450 * 08 11 01.6832319648 -37 17 32.549289720 5.58 6.42 6.44 7.43   O9.7II 135 0
32 HD 69013 * 08 14 28.9689055920 -15 46 31.486504584   10.06 9.56     ApEuSr 25 0
33 HD 75445 PM* 08 48 42.9334141680 -39 14 01.940046864   7.40 7.12     ApSrEu(Cr) 60 0
34 CD-46 4639 bC? 08 49 39.6697396800 -46 50 53.158156188   10.11 10.05 10.17   OB- 27 0
35 HD 83368 a2* 09 36 25.4255061727 -48 45 04.240404102   6.49 6.23     A8VSrCrEu 269 0
36 CPD-57 3509 * 10 35 48.9972741480 -58 14 54.297364704 10.16 10.82 10.70 10.59 10.49 B2III 40 0
37 HD 92499 * 10 40 08.5912210416 -43 04 50.514871224   9.29 8.88     ApSrEuCr 40 0
38 HD 92938 Be* 10 42 14.1192723749 -64 27 59.133997516 4.10 4.68 4.82     B3V 121 0
39 V* TX Crt a2* 11 05 34.0436531568 -25 01 09.250435488   9.88 9.45     ApSrEuCr 41 0
40 HD 96446 bC? 11 06 05.8219128840 -59 56 59.564064444 5.81 6.57 6.69     B2IIIp 168 0
41 CPD-62 2124 * 11 35 36.8614624296 -63 15 48.516783840 10.30 11.15 11.01 11.14   B2IIIHe 50 0
42 V* V816 Cen dS* 11 37 37.0409608152 -46 42 34.877876832 8.99 8.79 8.03     F8/G0p 320 0
43 * 65 UMa B EB* 11 55 11.3304120408 +46 28 11.166446208   7.007 6.965     F0IVspCrSrEu 82 0
44 HD 105382 Be* 12 08 05.2222663992 -50 39 40.575451536 3.65 4.32 4.47 4.53 4.70 B5V 172 0
45 * sig Cen ** 12 28 02.3821158564 -50 13 50.296708174 2.95 3.72 3.91 4.02 4.22 B2V 161 0
46 V* AX CVn a2* 12 39 16.8606994152 +35 57 07.050433068   6.466 6.385     A0pSrCrEuKsn 175 0
47 HD 115226 a2* 13 18 00.0189897768 -72 57 00.947433276   8.84 8.50     ApSr(Eu) 37 0
48 V* HH Com a2* 13 18 37.2495284424 +26 21 56.748367008   8.08 7.83     A2p 113 0
49 HD 116114 PM* 13 21 46.3079033856 -18 44 31.563482928   7.34 7.02     F0VpSrCrEu 140 0
50 * o Vir a2* 13 34 07.9312445507 +03 39 32.288960317 4.96 4.96 4.94 4.86 4.89 ApEuCrSr 346 0
51 * 3 Cen A PM* 13 51 49.6006251024 -32 59 38.705803764   4.377 4.520     B5III 21 0
52 * 3 Cen ** 13 51 49.60136 -32 59 38.7067           B5III+B9IV 248 0
53 V* PP Vir a2* 14 04 48.9376773456 +05 24 51.459774732   8.70 8.29     F0 80 0
54 HD 123182 * 14 07 23.2138666416 -48 19 04.902098952 9.909 9.85 9.77 10.07 9.81 B9/A0(V) 21 0
55 V* V821 Cen Pu* 14 14 58.6292612424 -46 17 19.294106424 9.09 9.89 9.98     (B)p 138 0
56 * alf Cir a2* 14 42 30.4206520931 -64 58 30.478845491 3.55 3.43 3.19 2.96 2.86 A7VpSrCrEu 364 0
57 HD 131120 Pu* 14 52 51.0731473122 -37 48 11.382138696 4.11 4.855 5.015     B7IIIp 124 0
58 HD 133518 * 15 06 55.9713564672 -52 01 47.204898312 5.57 6.29 6.39     B2IVpHe 94 0
59 V* HI Lib a2* 15 09 02.4051867312 -13 59 58.675373736   7.84 7.46     F2VpSrCrEu 131 0
60 * bet CrB a2* 15 27 49.7540595700 +29 06 20.494640434 4.08 3.97 3.68 3.50 3.45 F2VpSrCrEuSi 686 0
61 * 33 Lib a2* 15 29 34.7424021408 -17 26 27.377921220 7.22 7.07 6.69     F0VspEuGdSr 252 0
62 * d Lup Be* 15 35 53.24806 -44 57 30.1982 3.68     6.70   B3V 122 0
63 HD 143487 SB* 16 01 44.2211390328 -30 54 56.822787720   10.05 9.43     Apec 25 0
64 HD 145939 * 16 14 06.7190352624 -13 58 09.788348748   10.14 10.10 10.08 10.068 B2/3V 22 0
65 HD 149363 * 16 34 28.2788187456 -06 08 10.281661044 7.06 7.86 7.81     B1/2Ib 90 0
66 HD 149257 * 16 35 45.4515816840 -45 37 16.413043908 7.67 9.46 9.18 9.38   B1Ib 48 0
67 HD 154708 a2* 17 10 28.5163457616 -58 00 17.416695708   9.23 8.76     ApSrEu 86 0
68 CD-69 1618 * 17 12 32.8978719504 -70 05 08.573209944 8.4 9.19 9.32     B2p 55 0
69 HD 318101 * 17 40 02.2638142656 -32 09 36.927973584   8.24 8.30     B5p 19 0
70 HD 320764 ** 17 52 09.8992540872 -34 53 40.323689880   9.38 9.38 9.55   ~ 38 1
71 HD 164769 * 18 03 51.1582471512 -27 18 13.896143820 8.41 9.19 9.25 9.77   B2III 36 0
72 V* V694 CrA a2* 18 12 25.8347418984 -37 45 09.271268532   8.34 7.92     ApSrCrEu 118 0
73 HD 168785 * 18 22 45.9040189608 -30 08 26.177051004 7.79 8.52 8.51 9.40   B2II 68 0
74 * alf Tel PM* 18 26 58.4164240310 -45 58 06.447916980 2.7 3.299 3.463     B3IV 139 0
75 * 10 Aql a2* 18 58 46.9240671288 +13 54 23.941711692 6.23 6.14 5.89     A7VpSrEu_Ksn 285 0
76 V* EE Dra a2* 18 58 52.6267962600 +69 31 52.648832568   6.353 6.506     B9III 97 1
77 TYC 3545-2756-1 a2* 19 05 26.5923938832 +47 15 48.314948904   10.86 10.66 10.56   F0V 30 0
78 HD 177765 * 19 07 09.7793979672 -26 19 54.506413128   9.60 9.15     ApSrEuCr 37 0
79 BD+42 3250 HS* 19 07 40.5353192280 +42 18 22.016219580   10.40 10.656     sdB0/1 34 0
80 HD 178892 Pu* 19 09 54.7518733248 +14 57 58.348940148   9.27 8.94     ApSrCrEu 52 0
81 HD 184471 SB* 19 33 20.4267326904 +32 34 37.124341284   9.31 9.00     A8SrCrEu 49 0
82 HD 186205 Ro* 19 42 37.8507444384 +09 13 39.042004332 7.99 8.58 8.57     B2Vp 50 0
83 HD 225914 Pe* 19 48 26.7415463208 +39 51 58.045289040   9.353 9.170     A5VpSrCrEu 26 0
84 V* V1291 Aql a2* 19 53 18.7357174440 -03 06 52.063556976   5.837 5.619     F0VpSrCrEu 277 0
85 CD-43 14300 HB* 20 59 56.7432602880 -42 32 08.146528044 10.59 11.39 11.55     B2He? 11 0
86 * gam Equ a2* 21 10 20.5000721160 +10 07 53.691967776 5.03 4.94 4.68 4.43 4.32 A9VpSrCrEu 552 0
87 V* BI Mic a2* 21 26 03.8683509936 -29 55 48.145296468   9.10 8.81     ApSrEu 81 0
88 HD 204411 a2* 21 26 51.6219389280 +48 50 06.599806584 5.54 5.38 5.31     A4VpSiCrHg 185 0
89 HD 212454 * 22 23 00.1872667344 +57 17 04.606223136   6.049 6.168     B8III 86 0
90 V* MM Aqr a2* 22 33 12.3248929848 -20 02 21.880485816   10.058 9.582     A(pEuSrCr) 47 0
91 V* BP Gru a2* 23 01 46.8211202616 -44 50 26.878698672   7.99 7.52     ApSrSi: 129 0
92 HD 217833 a2* 23 02 43.8966254040 +55 14 10.977469584   6.439 6.525     B8III 90 0

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