Table 3
BACCHUS and ASPCAP elemental abundances of ten members in HP 1.
| APOGEE_ID | Teff K | log g cgs | ξt km s−1 | [C/Fe] | [N/Fe] | [O/Fe] | [Mg/Fe] | [Al/Fe] | [Si/Fe] | [S/Fe](*) | [Ca/Fe] | [Ti/Fe] | [Fe/H] | [Ni/Fe] | [Ce/Fe]† |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BACCHUS results | |||||||||||||||
| 2M17311037–2957146 | 4378 | 1.47 | 1.53 | −0.33 | +1.03 | +0.34 | +0.32 | +0.57 | +0.38 | ... | +0.27 | +0.21 | −1.04 | +0.05 | ... |
| 2M17305949–3000019 | 4250 | 1.24 | 1.57 | −0.26 | +0.89 | +0.30 | +0.26(*) | +0.23 | +0.48 | ... | +0.09(*) | ... | −1.21 | −0.01(*) | ... |
| 2M17305774–2957404 | 4321 | 1.37 | 1.55 | −0.36 | +1.32 | +0.36 | +0.37 | +0.52 | +0.36 | +0.59 | +0.35 | +0.21 | −1.16 | −0.04 | +0.25 |
| 2M17310585–2958354 | 4413 | 1.53 | 1.52 | −0.21 | ... | +0.25 | +0.20 | +0.07 | +0.44 | ... | +0.02(*) | ... | −1.21 | +0.05 | ... |
| 2M17310541–2958416 | 4139 | 1.04 | 1.61 | −0.11 | +0.38 | +0.56 | +0.35 | +0.15 | +0.39 | ... | +0.30 | +0.23 | −1.12 | ... | +0.17 |
| 2M17311196–2958587 | 4241 | 1.22 | 1.58 | −0.08 | +1.01 | +0.31 | +0.33 | +0.61 | +0.39 | ... | ... | +0.23(*) | −1.23 | +0.15 | ... |
| 2M17310703–2959376 | 4183 | 1.12 | 1.59 | −0.61 | +1.25 | +0.07 | +0.20 | +0.88 | +0.40 | ... | +0.32 | +0.20 | −1.13 | +0.01 | +0.16(*) |
| 2M17310020–2959415 | 4299 | 1.32 | 1.56 | −0.52 | +1.31 | +0.06 | +0.33(*) | +0.91 | +0.55(*) | ... | +0.38(*) | +0.12 | −1.02 | ... | ... |
| 2M17310045–2959502 | 4218 | 1.18 | 1.58 | +0.03 | +0.37 | +0.46 | +0.22(*) | +0.23(*) | +0.50(*) | ... | ... | ... | −1.08 | ... | ... |
| 2M17304363–2954441 | 4414 | 1.53 | 1.52 | −0.25 | ... | +0.30 | +0.30 | +0.43(*) | +0.63 | +0.59 | ... | ... | −1.27 | +0.03(*) | ... |
| Median | ... | ... | ... | −0.26 | +1.02 | +0.30 | +0.31 | +0.47 | +0.42 | +0.59 | +0.30 | +0.21 | −1.15 | +0.03 | +0.17 |
| Mean | ... | ... | ... | −0.27 | +0.94 | +0.30 | +0.29 | +0.46 | +0.45 | +0.59 | +0.25 | +0.20 | −1.15 | +0.03 | +0.19 |
| 1σ | ... | ... | ... | 0.18 | 0.43 | 0.13 | 0.07 | 0.29 | 0.07 | ... | 0.13 | 0.02 | 0.08 | 0.03 | 0.03 |
| std | ... | ... | ... | 0.19 | 0.36 | 0.15 | 0.06 | 0.28 | 0.08 | ... | 0.13 | 0.04 | 0.08 | 0.06 | 0.04 |
| spread | ... | ... | ... | 0.64 | 0.95 | 0.50 | 0.17 | 0.84 | 0.27 | ... | 0.36 | 0.11 | 0.25 | 0.11 | 0.09 |
| σtotal (2M17305949–3000019) | ... | ... | ... | 0.10 | 0.11 | 0.12 | 0.09 | 0.10 | 0.10 | ... | 0.08 | 0.13 | 0.22 | 0.10 | 0.11 |
| ASPCAP results | |||||||||||||||
| 2M17311037–2957146 | 4527 | 1.55 | 1.91 | −0.31 | +0.91 | +0.27 | +0.26 | +0.40 | +0.26 | +0.49 | +0.27 | +0.15 | −1.10 | +0.02 | −0.07 |
| 2M17305949–3000019 | 4445 | 1.07 | 2.51 | −0.44 | +0.87 | +0.28 | +0.19 | +0.09 | +0.26 | +0.71 | +0.20 | −0.04 | −1.26 | +0.01 | −0.31 |
| 2M17305774–2957404 | 4492 | 1.32 | 2.34 | −0.30 | +1.03 | +0.20 | +0.23 | +0.47 | +0.23 | +0.41 | +0.29 | +0.13 | −1.13 | +0.03 | +0.07 |
| 2M17310585–2958354 | 4728 | 1.27 | 2.48 | −0.55 | +1.02 | +0.25 | +0.16 | +0.13 | +0.22 | +0.56 | +0.08 | +0.03 | −1.22 | −0.01 | −0.15 |
| 2M17310541–2958416 | 4200 | 1.10 | 1.88 | −0.25 | +0.24 | +0.30 | +0.31 | −0.05 | +0.26 | +0.29 | +0.28 | −0.01 | −1.14 | +0.01 | −0.08 |
| 2M17311196–2958587 | 4476 | 1.51 | 2.29 | −0.34 | +1.05 | +0.20 | +0.21 | +0.67 | +0.22 | +0.28 | +0.31 | +0.20 | −1.10 | +0.06 | +0.18 |
| 2M17310703–2959376 | 4498 | 1.31 | 2.46 | −0.46 | +1.12 | +0.13 | +0.13 | +0.80 | +0.16 | +0.38 | +0.28 | +0.23 | −1.08 | +0.01 | +0.22 |
| 2M17310020–2959415 | 4576 | 1.43 | 2.36 | −0.44 | +1.09 | +0.17 | +0.16 | +0.68 | +0.19 | +0.36 | +0.29 | +0.17 | −1.06 | +0.01 | +0.09 |
| 2M17310045–2959502 | 4357 | 1.06 | 2.36 | −0.37 | +0.34 | +0.30 | +0.24 | −0.14 | +0.29 | +0.55 | +0.17 | −0.14 | −1.30 | −0.12 | −0.27 |
| 2M17304363–2954441 | 4817 | 1.53 | 2.39 | −0.18 | +0.80 | +0.40 | +0.20 | +0.24 | +0.26 | +0.26 | +0.14 | +0.06 | −1.16 | −0.09 | +0.06 |
| Median | ... | ... | ... | −0.35 | +0.97 | +0.26 | +0.21 | +0.33 | +0.24 | +0.40 | +0.28 | +0.10 | −1.13 | −0.01 | +0.01 |
| Mean | ... | ... | ... | −0.36 | +0.85 | +0.25 | +0.21 | +0.33 | +0.23 | +0.43 | +0.23 | +0.08 | −1.16 | −0.01 | −0.03 |
| 1σ | ... | ... | ... | 0.09 | 0.26 | 0.06 | 0.05 | 0.33 | 0.03 | 0.14 | 0.07 | 0.11 | 0.08 | 0.04 | 0.18 |
Notes. The asterisks (*)mark the chemical species whose line profiles are heavily blended by other features; for the purposes of this paper, we caution the reader to take these as upper limits. Reference solar chemical abundances are those from Asplund et al. (2005), except for Ce II, for which we adopted the solar abundances from Grevesse et al. (2015). The mean elemental abundances, 1σ errors, defined as (84th percentile −16th percentile)/2, standard deviation (std), and star-to-star spread are shown for the full sample.
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