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| Query : 2003A&A...402..729S |
2003A&A...402..729S - Astronomy and Astrophysics, volume 402729-731 (2003/5-1)
Magnetic field measurements of Ap stars. Discovery of a strong magnetic field in HD 18610.
STUETZ C., RYABCHIKOVA T. and WEISS W.W.
Abstract (from CDS):
HD 18610 was included in our project on abundance determination of rapidly oscillating (roAp) and non-oscillating (noAp) cool chemically peculiar stars. Already a preliminary investigation of the raw spectra indicated the presence of an intense magnetic field which was confirmed by a more detailed analysis. To determine the magnetic field strength we primarily used the Feii line at 6149.26Å, a strong line which is split in a anomalous Zeeman doublet. HD 18610 is a Cr-Eu-Sr non-pulsating Ap star with a Teff and logg typical for roAp stars. The classification of this star as a CP2 star (Preston, 1974ARA&A..12..257P) was confirmed with Δa photometry by Maitzen & Vogt (1983A&A...123...48M). In the present investigation we derived a mean magnetic field modulus of |B|=5700±200G.
Abstract Copyright: ∼
Journal keyword(s): stars: individual: HD 18610 - stars: magnetic fields - stars: chemically peculiar
Simbad objects: 6
| Number of rows : 6 |
| 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 | HD 18610 | * | 02 54 18.0034583328 | -73 27 09.941734692 | 8.48 | 8.14 | ApEuCrSr | 40 | 0 | |||
| 2 | HD 116114 | PM* | 13 21 46.3079033856 | -18 44 31.563482928 | 7.34 | 7.02 | F0VpSrCrEu | 145 | 0 | |||
| 3 | * 33 Lib | a2* | 15 29 34.7424021408 | -17 26 27.377921220 | 7.22 | 7.07 | 6.69 | F0VspEuGdSr | 260 | 0 | ||
| 4 | V* V694 CrA | a2* | 18 12 25.8347418984 | -37 45 09.271268532 | 8.34 | 7.92 | ApSrCrEu | 122 | 0 | |||
| 5 | * 10 Aql | a2* | 18 58 46.9240671288 | +13 54 23.941711692 | 6.23 | 6.14 | 5.89 | A7VpSrEu_Ksn | 292 | 0 | ||
| 6 | V* BD Ind | a2* | 21 56 56.6970333720 | -61 50 46.320856080 | 7.42 | 7.19 | ApSrEuCr | 66 | 0 |
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