WD 1257+032
All names: PB 4421, GALEX J125956.6+025556, Gaia DR3 3692337037379978112, Gaia EDR3 3692337037379978112, TIC 411238467, SDSS J125956.67+025556.1, Gaia DR2 3692337037379978112, WDJ125956.68+025556.11, USNO-B1.0 0929-00283629, WD 1257+032, PG 1257+032, 2MASS J12595669+0255564
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 59 56.58 (0.04) | 12 59 56.59 (0.09) | 12 59 56.58 | 12 59 56.68 (0.04) | 12 59 56.59 | 12 59 55.85 | |||||||
| Declination | 02 55 56.52 (0.03) | 02 55 56.51 (0.06) | 02 55 56.52 | 02 55 56.10 (0.03) | 02 55 56.51 | 02 55 50.52 | |||||||
| Spectral type | DA | DA | DA | DA2.8 | DA3 | ||||||||
| Effective temperature | [K] | 16580.0 | 18030.0 (278) | 17579.0 (24) | 17290.0 (269) | 17708.0 (253) | |||||||
| log(g) | [cgs] | 7.86 | 7.86 (0.05) | 7.81 (0.005) | 7.79 (0.05) | 7.93 (0.01) | |||||||
| Mass | [M☉] | 0.541 | 0.54 (0.02) | 0.51 (0.02) | 0.581 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -1.74 | |||||||||||
| Cooling age | [Gyr] | 0.1106 | 0.1047 | ||||||||||
| 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] | 11.10 (0.05) | 11.12 (0.1) | 11.10 | 11.10 (0.05) | 11.12 (0.1) | |||||||
| Distance | [pc] | 90.11 (0.4) | 89.89 (0.8) | 96.00 | 99.00 | 90.11 | 90.11 (0.4) | 89.89 (0.8) | |||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -91.29344184 (0.06) | -91.38238372 (0.2) | -91.293 (0.06) | -91.38238372 | ||||||||
| Proper motion (declination) | [mas/yr] | 26.11889278 (0.05) | 26.04398787 (0.09) | 26.119 (0.05) | 26.04398787 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 15.60 | 15.60 | |||||||||||
| V magnitude | 15.67 | 15.60 | |||||||||||
| R magnitude | 15.90 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.09 (0.09) | ||||||||||||
| H magnitude | 16.15 (0.02) | ||||||||||||
| K magnitude | 16.34 (0.04) | ||||||||||||
| u magnitude | 15.63 (0.005) | 15.67 (0.005) | |||||||||||
| g magnitude | 15.50 (0.004) | 15.51 (0.004) | |||||||||||
| r magnitude | 15.86 (0.004) | 15.86 (0.004) | |||||||||||
| i magnitude | 16.12 (0.004) | 16.12 (0.004) | |||||||||||
| z magnitude | 16.40 (0.009) | 16.40 (0.009) | |||||||||||
| G magnitude | 15.68 (0.003) | 15.70 | 15.68 | 15.68 (0.003) | 15.70 | ||||||||
| BP magnitude | 15.62 (0.003) | 15.59 | 15.59 | ||||||||||
| RP magnitude | 15.84 (0.003) | 15.83 | 15.83 | ||||||||||
| Pan g magnitude | 15.56 (0.004) | ||||||||||||
| Pan r magnitude | 15.85 (0.003) | ||||||||||||
| Pan i magnitude | 16.15 (0.003) | ||||||||||||
| Pan z magnitude | 16.40 (0.004) | ||||||||||||
| Pan y magnitude | 16.58 (0.006) | ||||||||||||
| E(B-V) | 0.004 | ||||||||||||
* Constant surface field
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