2001A&A...377L..27S


Query : 2001A&A...377L..27S

2001A&A...377L..27S - Astronomy and Astrophysics, volume 377, L27-30 (2001/10-3)

The interpretation of MnII emission from late-type B stars.

SIGUT T.A.A.

Abstract (from CDS):

The photospheric MnII emission lines Wahlgren & Hubrig (2000A&A...362L..13W) detect in the spectra of several late-type B and HgMn stars and attribute to fluorescent excitation are more naturally explained by interlocked non-LTE effects acting in a photosphere in which the manganese abundance is stratified with depth. The case is particularly strong for HD 186122 (46 Aql) and HD 179761 both of which require the manganese overabundance to be concentrated to column masses of log(m)≤~-1.5.

Abstract Copyright:

Journal keyword(s): line: formation - radiative transfer - stars: chemically peculiar, emission-line, Be

Simbad objects: 8

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Number of rows : 8
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 * 11 Per * 02 43 02.8382622822 +55 06 21.670038630 5.13 5.639 5.753     B8IV 70 0
2 * 3 Cen ** 13 51 49.60136 -32 59 38.7067           B5III+B9IV 243 0
3 * 21 Aql a2* 19 13 42.7007857827 +02 17 37.292126394 4.67 5.08 5.15     B7III 228 0
4 * 46 Aql * 19 42 12.8124227379 +12 11 35.738183084   6.234 6.321     B9III 110 0
5 HD 186568 * 19 43 51.4519158177 +34 09 45.804458504 5.72 5.979 6.053     B8III 63 0
6 HD 196426 * 20 37 18.3819968649 +00 05 49.058880000 5.73 6.112 6.211     B8IIIpec 80 0
7 * 21 Peg * 22 03 19.0321963138 +11 23 11.575087477   5.762 5.822     B9.5V 139 0
8 HD 219927 * 23 19 27.4136629185 +34 47 35.450754563   6.253 6.315     B8III 47 0

    Equat.    Gal    SGal    Ecl

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2021.07.26-14:55:28

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