Table 1.
Compiled spectroscopic determinations for Hennes and Rogue from various sources.
Source | Teff [K] | log(g) | [Fe/H] [dex] | [α/Fe] [dex] |
---|---|---|---|---|
Hennes – KIC 4671239 | ||||
Casagrande et al. (2014) | 5224 ± 104 | 2.92 ± 0.004 | –2.44 ± 0.17 | – |
Yu et al. (2018) | 5224 ± 100 | 2.922 ± 0.006 | –2.44 ± 0.30 | – |
Alencastro Puls et al. (2022) | 5295±145 | 2.929±0.15 | –2.63±0.20 | 0.125±0.25 |
Sect. 2.1 | 5080 ± 220 | 2.93 ± 0.10 | –2.71 ± 0.11 | 0.12 ± 0.16 |
Rogue – KIC 7693833 | ||||
Thygesen et al. (2012) | 4880 ± 100 | 2.46 ± 0.01 | –2.23 ± 0.15 | – |
Yu et al. (2018) | 4880 ± 97 | 2.413 ± 0.008 | –2.23 ± 0.15 | – |
APOGEE | 5026 ± 17.2 | 2.41 ± 0.06 | –2.33 ± 0.01 | 0.32 ± 0.05 ( * ) |
Sect. 2.1 | 4840±150 | 2.43±0.10 | –2.45±0.05 | 0.15±0.12 |
Notes. The value for Teff and [Fe/H] from Yu et al. (2018) for Hennes are adopted from Casagrande et al. (2014). For Rogue, Yu et al. (2018) adopted the corresponding values from Mathur et al. (2017), who in turn adopted them from Thygesen et al. (2012). The estimates from APOGEE SDSS DR17 (Abdurro’uf et al. 2022) are also given for Rogue, estimated from a single spectrum (visits by APOGEE). The estimate for [α/Fe] for this entry is given as the median of the individual Mg and Si abundances, with the uncertainties added in quadrature. The values adopted for each star in the modelling of this work are highlighted in bold. ( * )Note that the uncertainties reported by the ASPCAP pipeline in APOGEE are purely internal and thus do not account for systematics, resulting in unrealistically low uncertainties (Holtzman et al., in prep.).
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