SDSS J015657.87+004037.5
All names: WD 0154+004, SDSS J015657.86+004037.6, SDSS J015657.87+004037.5, SDSS J015657.87+004037.6, Gaia DR2 2507898852301432960, Gaia EDR3 2507898852301432960, SDSS J015657.86+004037.5, Gaia DR3 2507898852301432960, GALEX J015657.8+004038
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 | 01 56 57.87 (0.3) | 01 56 57.87 | 01 56 57.87 (0.5) | 01 56 57.87 | 01 56 57.87 (0.3) | 01 56 57.87 | 01 56 58.06 | 01 56 57.87 | ||||||
| Declination | 00 40 37.76 (0.2) | 00 40 37.61 | 00 40 37.76 (0.3) | 00 40 37.76 | 00 40 37.58 (0.2) | 00 40 37.56 | 00 40 37.20 | 00 40 37.56 | ||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 10681.0 | 11490.0 (290) | 11281.0 (683) | 11141.0 (150) | 10990.0 (141) | ||||||||
| log(g) | [cgs] | 7.66 | 8.03 (0.1) | 7.97 (0.1) | 7.93 (0.1) | 7.94 (0.1) | ||||||||
| Mass | [M☉] | 0.427 | 0.62 (0.07) | 0.588 (0.1) | 0.571 (0.06) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.3402 | 0.4677 | |||||||||||
| 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] | 3.83 (0.3) | 3.31 (0.5) | 3.83 | 3.83 (0.3) | |||||||||
| Distance | [pc] | 261.23 (22) | 302.28 (47) | 261.23 | 261.23 (22) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.526624642 (0.4) | -2.156546957 (0.7) | -2.527 (0.4) | 5.8 | |||||||||
| Proper motion (declination) | [mas/yr] | 11.48061066 (0.2) | 11.79127284 (0.5) | 11.481 (0.2) | 8.0 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 19.00 (0.1) | |||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.36 (0.03) | 19.36 (0.03) | 19.38 (0.03) | 19.37 | 19.38 (0.03) | |||||||||
| g magnitude | 18.82 (0.009) | 18.82 (0.009) | 18.87 (0.02) | 18.87 | 18.87 (0.02) | |||||||||
| r magnitude | 19.01 (0.01) | 19.01 (0.01) | 19.00 (0.02) | 19.00 | 18.98 (0.02) | |||||||||
| i magnitude | 19.15 (0.02) | 19.15 (0.02) | 19.15 (0.02) | 19.16 | 19.14 (0.02) | |||||||||
| z magnitude | 19.33 (0.05) | 19.33 (0.05) | 19.44 (0.06) | 19.45 | 19.41 (0.06) | |||||||||
| G magnitude | 18.90 (0.04) | 18.95 | 18.90 | 18.90 (0.004) | ||||||||||
| BP magnitude | 18.96 (0.04) | 18.89 | ||||||||||||
| RP magnitude | 18.93 (0.04) | 18.98 | ||||||||||||
| Pan g magnitude | 18.85 (0.008) | |||||||||||||
| Pan r magnitude | 18.99 (0.006) | |||||||||||||
| Pan i magnitude | 19.20 (0.008) | |||||||||||||
| Pan z magnitude | 19.35 (0.02) | |||||||||||||
| Pan y magnitude | 19.47 (0.05) | |||||||||||||
| E(B-V) | 0.024 | |||||||||||||
* Constant surface field
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