GD 344
All names: J1527+4313, GD 344, SDSS J152714.52+431302.8, SDSS J152714.52+431302.9, LP 223-14, TIC 116385458, SDSS J152714.51+431302.7, WD 1525+43, USNO-B1.0 1332-00293422, GALEX J152714.5+431301, WDJ152714.52+431303.19, WIRED J152714.51+431302.8, LSPM J1527+4313, 2MASS J15271450+4313030, LP 223-13, Gaia DR3 1394045267867814400, EGGR 237, CBS 248, WD 1525+433, Gaia DR2 1394045267867814400, SDSS J152714.51+431302.8, Gaia EDR3 1394045267867814400
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 27 14.51 (0.03) | 15 27 14.51 | 15 27 14.51 (0.04) | 15 27 14.51 | 15 27 14.52 (0.03) | 15 27 14.51 | 15 27 14.52 | 15 27 14.42 | 15 27 14.52 | ||||||||
| Declination | 43 13 00.83 (0.03) | 43 13 02.70 | 43 13 00.90 (0.04) | 43 13 00.83 | 43 13 03.19 (0.04) | 43 13 00.90 | 43 13 02.89 | 43 13 07.68 | 43 13 02.88 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | |||||||
| Effective temperature | [K] | 12045.0 (151) | 12042.0 (150) | 12093.0 | 12550.0 (110) | 13161.0 (156) | 12212.0 (71) | 12362.0 (85) | |||||||||
| log(g) | [cgs] | 7.96 (0.01) | 7.96 (0.01) | 7.97 | 8.15 (0.03) | 8.04 (0.01) | 8.07 (0.03) | 8.17 (0.03) | |||||||||
| Mass | [M☉] | 0.582 (0.008) | 0.584 (0.009) | 0.587 | 0.7 (0.02) | 0.632 (0.008) | 0.702 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 0.3505 | 0.4169 | ||||||||||||||
| log(H/He) | |||||||||||||||||
| log(C/He) | |||||||||||||||||
| log(Ca/He) | |||||||||||||||||
| log(Ca/H) | |||||||||||||||||
| log(C/H) | |||||||||||||||||
| log(N/H) | |||||||||||||||||
| log(O/H) | |||||||||||||||||
| log(Na/H) | |||||||||||||||||
| log(Mg/H) | |||||||||||||||||
| log(Al/H) | |||||||||||||||||
| log(Si/H) | |||||||||||||||||
| log(P/H) | |||||||||||||||||
| log(S/H) | |||||||||||||||||
| log(Sc/H) | |||||||||||||||||
| log(Ti/H) | |||||||||||||||||
| log(Cr/H) | |||||||||||||||||
| log(Mn/H) | |||||||||||||||||
| log(Fe/H) | |||||||||||||||||
| log(Ni/H) | |||||||||||||||||
| Parallax | [mas] | 10.57 (0.04) | 10.60 (0.05) | 10.57 | 10.57 (0.04) | 10.60 (0.05) | |||||||||||
| Distance | [pc] | 94.59 (0.4) | 94.36 (0.4) | 94.59 | 94.59 (0.3) | 94.36 (0.4) | |||||||||||
| Composition | H | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.024003823 (0.04) | -7.106716275 (0.08) | -7.024 (0.04) | -7.106716275 | -3.3 | |||||||||||
| Proper motion (declination) | [mas/yr] | -147.7012281 (0.05) | -147.6795457 (0.1) | -147.701 (0.05) | -147.6795457 | -147.4 | |||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 16.00 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 16.70 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 16.66 (0.1) | ||||||||||||||||
| H magnitude | 16.49 (0.2) | ||||||||||||||||
| K magnitude | 16.95 (0.06) | ||||||||||||||||
| u magnitude | 16.82 (0.007) | 16.82 (0.007) | 16.79 (0.007) | 16.80 (0.02) | 16.79 | 16.82 (0.02) | |||||||||||
| g magnitude | 16.39 (0.004) | 16.39 (0.004) | 16.39 (0.004) | 16.42 (0.01) | 16.41 | 16.41 (0.01) | |||||||||||
| r magnitude | 16.61 (0.004) | 16.61 (0.004) | 16.61 (0.004) | 16.62 (0.01) | 16.61 | 16.62 (0.01) | |||||||||||
| i magnitude | 16.82 (0.005) | 16.82 (0.005) | 16.82 (0.005) | 16.81 (0.02) | 16.80 | 16.81 (0.02) | |||||||||||
| z magnitude | 17.13 (0.01) | 17.13 (0.01) | 17.07 (0.01) | 17.09 (0.02) | 17.08 | 17.08 (0.02) | |||||||||||
| G magnitude | 16.50 (0.003) | 16.51 | 16.50 | 16.50 (0.003) | 16.51 | ||||||||||||
| BP magnitude | 16.50 (0.003) | 16.49 | 16.49 | ||||||||||||||
| RP magnitude | 16.54 (0.005) | 16.55 | 16.55 | ||||||||||||||
| Pan g magnitude | 16.43 (0.007) | ||||||||||||||||
| Pan r magnitude | 16.61 (0.003) | ||||||||||||||||
| Pan i magnitude | 16.85 (0.002) | ||||||||||||||||
| Pan z magnitude | 17.06 (0.009) | ||||||||||||||||
| Pan y magnitude | 17.20 (0.03) | ||||||||||||||||
| E(B-V) | 0.013 | ||||||||||||||||
* Constant surface field
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