2003A&A...406..987P


Query : 2003A&A...406..987P

2003A&A...406..987P - Astronomy and Astrophysics, volume 406, 987-994 (2003/8-2)

Elemental abundance analyses with the EBASIM spectrograph of the 2.1-m CASLEO Observatory Telescope. I. The late B and early A stars ξ Octantis, α Sextantis, and 68 Tauri.

PINTADO O.I. and ADELMAN S.J.

Abstract (from CDS):

We used data from the EBASIM spectrograph of the 2.1-m CASLEO telescope to study three rather sharp-lined late B to early A stars ξ Oct (B6 IV), α Sex (B9.5 III), and 68 Tau (A2 IV). These measurements are compared with those from the Anglo-Austrialian Telescope for the first star and to those from the coude spectrograph of the 1.22-m telescope of the Dominion Astrophysical Observatory (DAO) for the other two stars. The equivalent width scales of the EBASIM and the DAO data are similar. Thus for the latter two stars the DAO data is also used in the analyses. Both ξ Oct and α Sex generally have abundances close to those of the Sun in the range of values found for other normal stars with similar effective temperatures. The abundance pattern for 68 Tau is that of a metallic-lined star as is well known.

Abstract Copyright:

Journal keyword(s): stars: abundances - stars: individual: ξ Oct - stars: individual: α Sex - stars: individual: 68 Tau - stars: chemically peculiar

VizieR on-line data: <Available at CDS (J/A+A/406/987): abund.dat table5.dat table6.dat table7.dat tables.tex>

Simbad objects: 18

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Number of rows : 18
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 * pi. Cet SB* 02 44 07.3477594066 -13 51 31.279407049 3.66 4.112 4.236     B7IV 333 0
2 * del03 Tau a2* 04 25 29.3847186643 +17 55 40.463442784   4.369 4.298 6.18 4.24 A2IV-Vs 409 0
3 * 134 Tau * 05 49 32.9303335271 +12 39 04.760685507 4.68 4.811 4.875     B9IV 198 0
4 * 7 Sex PM* 09 52 12.1641996384 +02 27 14.865250500 5.90 5.98   6.0   A0III/IV 116 0
5 * alf Sex * 10 07 56.2837668024 -00 22 18.013326564   4.45 4.49     A0III 100 0
6 * alf Dra SB* 14 04 23.3575968507 +64 22 33.130623243 3.520 3.640 3.680     A0III 274 0
7 * tau Her Pu* 16 19 44.4367980146 +46 18 48.102135319 3.190 3.73 3.87 4.00 4.16 B5IV 403 0
8 * iot Her bC* 17 39 27.8868980278 +46 00 22.792978043 2.940 3.630 3.800     B3IV 448 1
9 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0Va 2687 1
10 * 21 Aql a2* 19 13 42.7011956712 +02 17 37.310297604 4.67 5.08 5.15     B7III 236 0
11 * eta Lyr SB* 19 13 45.4884201191 +39 08 45.477640475 3.58 4.243 4.398     B2.5IV 154 0
12 * 22 Cyg SB* 19 55 51.7609131816 +38 29 12.188844204 4.34 4.846 4.946     B5IV 97 0
13 * 15 Vul a2* 20 01 06.0485823565 +27 45 12.862874097   4.829 4.651     A4III 237 0
14 * kap Cep * 20 08 53.3487448872 +77 42 41.115549672   4.35 4.40     B9III 140 0
15 * nu. Cap * 20 20 39.8157949497 -12 45 32.690284207 4.61 4.72 4.76 4.75 4.81 B9IV 272 0
16 HD 197392 * 20 41 56.5014626472 +41 43 00.748143012   5.550 5.664     B8II-III 60 0
17 * 32 Aqr SB* 22 04 47.4224193480 -00 54 22.839762708   5.519 5.271     A5IV 178 0
18 * ksi Oct Pu* 22 50 22.8139009656 -80 07 25.841844408 4.7 5.180 5.311     B6V 94 0

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