2003A&A...397..267A

Query : 2003A&A...397..267A

2003A&A...397..267A - Astronomy and Astrophysics, volume 397267-273 (2003/1-1)

On the relationship between the mercury-manganese stars and the metallic-lined stars.

ADELMAN S.J., ADELMAN A.S. and PINTADO O.I.

Abstract (from CDS):

An HR diagram indicating the positions of the HgMn and the Am stars analyzed by the senior author and his collaborators shows that the coolest HgMn stars and the hottest Am stars are found on the same stellar evolutionary tracks and hence the former must evolve into the later. The explanation of the dividing line between these two types of nonmagnetic chemically peculiar stars where the Hg abundances suddenly change their degree of overabundance is a major test of the theories which try to explain the anomalous abundances of such stars. Some other important relationships are found which can also serve as tests of theories which purport to explain the properties of these stars.

Abstract Copyright: ∼

Journal keyword(s): stars: chemically peculiar - stars: Hertzsprung-Russell (HR) diagram and C-M diagrams - methods: statistical

Simbad objects: 34

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Number of rows : 34
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 V* AV Scl a2* 00 23 12.6093196608 -31 02 08.778859512 6.24 6.484 6.547     B9IV 105 0
2 * 53 Tau a2* 04 19 26.0975894496 +21 08 32.298968148   5.413 5.482     B9Vsp 283 0
3 * del03 Tau a2* 04 25 29.3847186643 +17 55 40.463442784   4.369 4.298 6.18 4.24 A2IV-Vs 429 0
4 * mu. Lep a2* 05 12 55.9029641016 -16 12 19.668599100 2.78 3.18 3.29 3.30 3.42 B9IV:HgMn 294 1
5 * 33 Gem Pe* 06 49 49.8362378064 +16 12 10.382708016 5.24 5.72 5.87     B9III 158 0
6 * 21 Lyn PM* 07 26 42.8522129445 +49 12 41.497452754   4.594 4.610     A0.5Vs 121 0
7 * 14 Hya a2* 08 49 21.7258429872 -03 26 34.891438308 4.87 5.22 5.31     B8IIIpHgMn 154 0
8 * nu. Cnc SB* 09 02 44.2677118128 +24 27 10.392222600   5.404 5.447     A0III 205 0
9 * kap Cnc a2* 09 07 44.8095541176 +10 40 05.519586828 4.70 5.13 5.24     B8IIImnp 376 0
10 * ome UMa SB* 10 53 58.7409163680 +43 11 23.847024876   4.633 4.664     A1VsSi: 108 0
11 * bet UMa PM* 11 01 50.4797515135 +56 22 56.761138187 2.35 2.35 2.37 2.31 2.35 A1IVps 462 0
12 * b Leo Pe* 11 02 19.7756641720 +20 10 47.424184800   4.452 4.398     kA1VmA3V 182 0
13 * tet Leo PM* 11 14 14.4056705348 +15 25 46.455911128 3.40 3.33 3.35 3.32 3.34 A2IV 353 0
14 HD 101189 PM* 11 38 07.2695736768 -61 49 35.512404852 4.96 5.13 5.14     ApHgMn 85 0
15 * l Cen ** 12 39 52.5291353564 -39 59 14.286324017 4.16 4.56 4.64 4.66 4.75 B8II/III 122 0
16 * 3 Cen ** 13 51 49.60136 -32 59 38.7067           B5III+B9IV 256 0
17 * pi.01 Boo * 14 40 43.5589117488 +16 25 05.975961096 4.18 4.792 4.893 4.47 4.49 B9IIIpHgMnSi 212 0
18 * iot CrB SB* 16 01 26.5649192496 +29 51 03.819408336   4.921 4.971     A0IIIspHgMnEu 275 0
19 * ups Her PM* 16 02 47.8978183032 +46 02 12.133917132 4.33 4.616 4.709     B9.5III 248 0
20 * phi Her a2* 16 08 46.1762180496 +44 56 05.661355344 3.92 4.20 4.27 4.27 4.36 B9VspHgMn 304 1
21 * n Her * 16 32 35.6854246680 +05 31 16.391769564 5.39 5.57 5.63     B9.5III 126 0
22 HD 172728 PM* 18 37 33.5174187456 +62 31 35.673279564 5.530 5.690 5.740     A0V 82 0
23 * zet01 Lyr SB* 18 44 46.3570814856 +37 36 18.437952174 4.71 4.55 4.36 4.21 4.13 kA5hF0VmF3 203 0
24 HD 178065 SB* 19 07 09.0293341368 +00 38 27.491355672 6.31 6.584 6.538     B9III 103 0
25 HD 182308 Pe* 19 19 46.1395312128 +64 23 26.907669564   6.413 6.504     B9pHgMn 106 0
26 * pi. Dra * 19 20 40.0914694319 +65 42 52.314729157 4.67 4.61 4.59 4.55 4.58 A0III 103 0
27 * phi Aql SB* 19 56 14.2519125984 +11 25 25.401080424   5.283 5.278     A1IV 140 0
28 * 15 Vul a2* 20 01 06.0485823565 +27 45 12.862874097   4.829 4.651     A4III 245 0
29 * 14 Sge SB* 20 03 30.0147595968 +16 01 52.508306604 5.39 5.550 5.658     B9pHgMn 141 0
30 * bet02 Cap SB* 20 20 46.5478935096 -14 47 05.603724348   6.08 6.10     B9/A0III/IV 143 0
31 V* V1619 Cyg a2* 21 51 04.9807153584 +39 32 11.968580112 5.66 6.118 6.193     B9pHgMn 96 0
32 * 32 Aqr SB* 22 04 47.4224193480 -00 54 22.839762708   5.519 5.271     A5IV 185 0
33 * sig Aqr * 22 30 38.8214037672 -10 40 40.505006280 4.59 4.73 4.81 4.81 4.85 A0IVs 125 0
34 * omi Peg * 22 41 45.4041684504 +29 18 27.631023336 4.77 4.78 4.79 4.75 4.77 A1IV 296 0

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