GD 34
All names: 2MASS J02474631+0003321, [CR2000b] 13561, LAMOST J024746.33+000330.9, SDSS J024746.34+000331.3, SDSS J024746.34+000331.4, GALEX J024746.3+000330, TIC 35861526, HBQS 0245-0008, WIRED J024746.29+000331.6, Gaia EDR3 2498564582697028864, Gaia DR2 2498564582697028864, WD 0245-001, PB 6885, US 3161, SDSS J024746.33+000331.5, [BGK2006] J024746.34+000331.5, LAMOST J024746.39+000331.1, SDSS J024746.40+000331.1, SDSS J024746.33+000331.4, SDSS J024746.29+000331.6, HE 0245-0008, SDSS J024746.30+000331.6, Gaia DR3 2498564582697028864, SDSS J024746.41+000331.1, [HH86] 0245-001, USNO-B1.0 0900-00029292, GD 34
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Tremblay et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 47 46.46 (0.05) | 02 47 46.35 | 02 47 46.45 (0.06) | 02 47 46.46 | 02 47 46.32 (0.05) | 02 47 46.34 | 02 47 45.72 | 02 47 46.30 | ||||||||
| Declination | 00 03 30.88 (0.04) | 00 03 31.40 | 00 03 30.90 (0.06) | 00 03 30.88 | 00 03 31.55 (0.04) | 00 03 31.50 | 00 03 35.28 | 00 03 31.65 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | |||||||
| Effective temperature | [K] | 15623.0 | 19580.0 (130) | 18813.0 (115) | 17221.0 (318) | 19084.0 (108) | 19362.0 (119) | |||||||||
| log(g) | [cgs] | 7.86 | 8.02 (0.02) | 7.98 (0.02) | 7.95 (0.02) | 8.04 (0.02) | 8.05 (0.02) | |||||||||
| Mass | [M☉] | 0.535 | 0.64 (0.01) | 0.588 (0.01) | 0.647 (0.01) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 0.1361 | 0.0832 | |||||||||||||
| 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] | 8.06 (0.05) | 8.15 (0.08) | 8.06 | 8.06 (0.05) | |||||||||||
| Distance | [pc] | 124.01 (0.8) | 122.72 (1) | 124.01 | 124.01 (0.8) | |||||||||||
| Composition | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 130.359289 (0.06) | 130.4529755 (0.1) | 130.359 (0.06) | 124.9 | |||||||||||
| Proper motion (declination) | [mas/yr] | -41.87058143 (0.06) | -41.63700006 (0.1) | -41.871 (0.06) | -40.5 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 16.45 | 16.54 | ||||||||||||||
| V magnitude | 16.54 | |||||||||||||||
| R magnitude | 16.30 | |||||||||||||||
| I magnitude | 16.84 | |||||||||||||||
| J magnitude | 16.44 (0.1) | |||||||||||||||
| H magnitude | 16.84 (0.04) | |||||||||||||||
| K magnitude | 16.88 (0.07) | |||||||||||||||
| u magnitude | 16.47 (0.007) | 16.47 (0.007) | 16.47 (0.02) | 16.47 | 16.49 (0.02) | |||||||||||
| g magnitude | 16.28 (0.004) | 16.28 (0.004) | 16.24 (0.05) | 16.24 | 16.24 (0.05) | |||||||||||
| r magnitude | 16.63 (0.006) | 16.62 (0.006) | 16.65 (0.02) | 16.65 | 16.64 (0.02) | |||||||||||
| i magnitude | 16.89 (0.006) | 16.89 (0.006) | 16.91 (0.02) | 16.91 | 16.91 (0.02) | |||||||||||
| z magnitude | 17.15 (0.01) | 17.14 (0.01) | 17.20 (0.02) | 17.19 | 17.18 (0.02) | |||||||||||
| G magnitude | 16.46 (0.004) | 16.49 | 16.46 | 16.46 (0.003) | ||||||||||||
| BP magnitude | 16.41 (0.004) | 16.39 | ||||||||||||||
| RP magnitude | 16.61 (0.005) | 16.61 | ||||||||||||||
| Pan g magnitude | 16.34 (0.007) | |||||||||||||||
| Pan r magnitude | 16.63 (0.003) | |||||||||||||||
| Pan i magnitude | 16.90 (0.004) | |||||||||||||||
| Pan z magnitude | 17.17 (0.009) | |||||||||||||||
| Pan y magnitude | 17.31 (0.006) | |||||||||||||||
| E(B-V) | 0.005 | |||||||||||||||
* Constant surface field
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