GD 38
All names: WD 0259+378, UCAC4 641-012175, EGGR 287, Gaia DR3 142709256302827776, TIC 186630157, 2MASS J03023094+3800595, GEN# +6.10060038, Gaia DR2 142709256302827776, FBS B 32, SDSS J030231.02+380058.7, WD 0259+37, FBS 0259+378, LAMOST J030231.05+380058.5, Gaia EDR3 142709256302827776, GD 38, NLTT 9660, LAMOST J030231.18+380059.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 02 31.12 (0.06) | 03 02 31.12 (0.1) | 03 02 31.12 | 03 02 30.97 (0.06) | 03 02 30.70 | ||||||
| Declination | 38 00 58.26 (0.04) | 38 00 58.29 (0.06) | 38 00 58.26 | 38 00 59.06 (0.04) | 38 01 03.72 | ||||||
| Spectral type | DA | DA | DA | DA | DA1.6 | DA3 | |||||
| Effective temperature | [K] | 24803.0 | 32040.0 (473) | 28973.0 (557) | |||||||
| log(g) | [cgs] | 7.70 | 7.84 (0.05) | 7.89 (0.02) | |||||||
| Mass | [M☉] | 0.488 | 0.57 (0.03) | 0.586 (0.01) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0171 | |||||||||
| 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] | 6.75 (0.06) | 6.83 (0.09) | 6.75 | 6.75 (0.06) | ||||||
| Distance | [pc] | 148.07 (1) | 146.39 (2) | 174.00 | 148.07 | 148.07 (1) | |||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 114.8439887 (0.07) | 114.8165891 (0.2) | 114.844 (0.07) | |||||||
| Proper motion (declination) | [mas/yr] | -49.65721444 (0.06) | -49.61996951 (0.1) | -49.657 (0.06) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.53 | ||||||||||
| V magnitude | 15.74 | ||||||||||
| R magnitude | 15.90 (0.002) | ||||||||||
| I magnitude | 16.09 (0.002) | ||||||||||
| J magnitude | 16.45 (0.1) | ||||||||||
| H magnitude | |||||||||||
| K magnitude | 15.81 (0.2) | ||||||||||
| u magnitude | 15.22 (0.004) | ||||||||||
| g magnitude | 15.49 (0.003) | ||||||||||
| r magnitude | 15.95 (0.004) | ||||||||||
| i magnitude | 16.29 (0.004) | ||||||||||
| z magnitude | 16.61 (0.01) | ||||||||||
| G magnitude | 15.73 (0.003) | 15.74 | 15.73 | 15.73 (0.003) | |||||||
| BP magnitude | 15.59 (0.003) | 15.54 | |||||||||
| RP magnitude | 15.99 (0.003) | 15.99 | |||||||||
| Pan g magnitude | 15.56 (0.004) | ||||||||||
| Pan r magnitude | 15.99 (0.006) | ||||||||||
| Pan i magnitude | 16.31 (0.003) | ||||||||||
| Pan z magnitude | 16.59 (0.003) | ||||||||||
| Pan y magnitude | 16.79 (0.008) | ||||||||||
| E(B-V) | 0.030 | ||||||||||
* Constant surface field
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