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Table 1
Verification of ionisation equilibria and abundance determinations and remarks on the sample stars.
Hunter et al. (2009) | Our assessment of the H+09 work | ||||||||||||||||
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# | Object | Teff | log g | ξ | Vsini | H | He i | He ii | C ii | C iii | N ii | O ii | Mg ii | Si iii | Si iv | Remarks | |
K | (cgs) | km s-1 | km s-1 | ||||||||||||||
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1 | NGC 6611-001 | 30 300 | 3.70 | 10 | 142 | • | ° | ° | ° | × | • | • | • | • | ° | SB2a, eclipsing binaryb | |
2 | NGC 6611-006 | 31 250 | 4.00 | 8 | 20 | • | • | ° | × | ° | ° | • | ° | • | • | normal star | |
3 | NGC 6611-012 | 27 200 | 3.90 | 5 | 95 | • | • | × | × | × | ° | ° | ° | • | • | SB2 candidate (asymmetric line profiles) | |
4 | NGC 6611-020 | 27 000 | 4.10 | 2 | 220 | • | • | × | × | × | ° | ° | • | • | – | SBc, SB2 candidate (asymmetric line profiles) | |
5 | NGC 6611-021 | 26 250 | 4.25 | 0 | 30 | • | • | • | × | × | ° | × | • | • | ° | visual binaryd, double-lined spectrum | |
6 | NGC 6611-025 | 25 000 | 4.10 | 0 | 95 | • | • | ° | × | × | • | ° | • | • | ° | SB2 (changing asymmetry pattern), in addition: visual binaryd | |
7 | NGC 6611-030 | 22 500 | 4.15 | 1 | 10 | • | • | – | × | ° | ° | ° | × | • | – | SBc, SB1 (normal star) | |
8 | NGC 6611-032 | 22 500 | 4.15 | – | 70 | • | • | – | × | ° | • | • | – | • | – | SBc, SB2 candidate (asymmetric line profiles) | |
9 | NGC 6611-033 | 25 600 | 4.00 | 4 | 30 | • | • | • | × | • | ° | ° | ° | • | ° | normal star | |
10 | NGC 6611-035 | 27 000 | 4.10 | 2 | 120 | • | ° | × | × | × | • | • | – | • | • | double-lined spectrum (asymmetric line profiles) | |
11 | NGC 6611-042 | 22 500 | 3.90 | 4 | 155 | • | ° | – | • | ° | • | • | • | • | – | double-lined spectrum (asymmetric line profiles) | |
12 | NGC 6611-052 | 19 200 | 3.85 | 8 | 120 | • | • | – | ° | – | • | • | × | • | – | Be star | |
13 | NGC 6611-062 | 18 400 | 4.05 | 7 | 165 | • | • | – | • | – | • | – | • | • | – | normal star | |
14 | NGC 6611-063 | 22 500 | 4.00 | 2 | 95 | • | • | – | • | – | • | • | ° | • | – | SBc, normal star? (status unclear because of low S/N) | |
15 | NGC 6611-066 | 20 800 | 4.20 | – | 80 | • | ° | – | ° | – | • | ° | × | • | – | SB2? (changing asymmetry pattern, but low S/N), also: visual binaryd | |
16 | NGC 3293-003 | 20 500 | 2.75 | 13 | 80 | • | ° | × | × | ° | ° | × | × | ° | × | normal star, overall poor fit, notable macroturbulence | |
17 | NGC 3293-006 | 21 500 | 3.15 | 15 | 200 | • | • | • | • | – | × | × | × | • | – | double-lined spectrum | |
18 | NGC 3293-007 | 22 600 | 3.10 | 11 | 65 | • | × | ° | ° | × | × | × | × | × | × | normal star, overall poor fit, notable macroturbulence | |
19 | NGC 3293-034 | 26 100 | 4.25 | – | 35 | • | × | • | × | × | • | • | × | ° | ° | He-strong stare | |
20 | NGC 4755-002 | 15 950 | 2.20 | 18 | 70 | • | ° | – | • | – | ° | ° | × | • | – | normal star, notable macroturbulence, no ionization equilibrium | |
21 | NGC 4755-003 | 17 700 | 2.50 | 15 | 38 | • | × | – | × | • | × | × | × | × | × | double-lined spectrum, overall poor fit | |
22 | NGC 4755-004 | 19 550 | 2.60 | 17 | 75 | • | • | • | ° | × | ° | × | × | ° | × | normal star, notable macroturbulence | |
23 | N11-008 | 25 450 | 3.00 | 16 | 43 | • | × | × | × | × | × | × | ° | × | × | double-lined spectrum, notable macroturbulence, overall poor fit | |
24 | N11-034 | 25 500 | 3.25 | 12 | 203 | • | • | • | × | – | ° | × | • | ° | – | Be star | |
25 | N11-039 | 21 700 | 3.00 | 9 | 157 | • | • | – | × | – | • | • | • | ° | – | Be star | |
26 | N11-072 | 28 800 | 3.75 | 5 | 15 | • | • | × | × | × | × | ° | ° | • | × | double-lined spectrum | |
27 | N11-095 | 26 800 | 3.85 | 2 | 267 | • | • | – | • | – | • | • | × | • | – | normal star | |
28 | NGC 2004-029 | 23 100 | 3.50 | 1 | 30 | ° | • | – | ° | • | • | × | • | • | • | Be starf | |
29 | NGC 2004-053 | 31 500 | 4.15 | 7 | 7 | • | • | • | × | ° | ° | ° | ° | • | ° | Be starf | |
30 | NGC 2004-090 | 32 500 | 4.10 | – | 16 | • | • | • | • | × | × | × | • | ° | ° | normal star | |
31 | NGC 2004-100 | 26 800 | 3.70 | 6 | 323 | • | • | – | • | – | • | × | – | • | – | Be star |
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