SDSS J085557.47+081706.4
All names: Gaia DR2 585263992151345280, SLW J0855+0817A, SDSS J085557.48+081706.0, SDSS J085557.48+081706.5, WDS J08560+0817A, WD 0853+084, Gaia EDR3 585263992151345280, SDSS J085557.49+081706.0, SDSS J085557.47+081706.4, SDSS J085557.48+081706.4, GALEX J085557.5+081707, Gaia DR3 585263992151345280
| 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 | 08 55 57.49 (0.1) | 08 55 57.48 | 08 55 57.49 (0.1) | 08 55 57.49 | 08 55 57.48 (0.1) | 08 55 57.48 | 08 55 56.86 | 08 55 57.48 | ||||||
| Declination | 08 17 05.87 (0.05) | 08 17 06.55 | 08 17 05.89 (0.1) | 08 17 05.87 | 08 17 06.67 (0.05) | 08 17 06.50 | 08 17 04.20 | 08 17 06.50 | ||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 13188.0 | 17630.0 (180) | 15020.0 (442) | 17219.0 (118) | 17302.0 (137) | ||||||||
| log(g) | [cgs] | 7.77 | 8.04 (0.03) | 7.88 (0.05) | 7.94 (0.02) | 7.99 (0.03) | ||||||||
| Mass | [M☉] | 0.486 | 0.64 (0.02) | 0.544 (0.04) | 0.612 (0.02) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.2102 | 0.1288 | |||||||||||
| 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] | 4.36 (0.2) | 4.50 (0.2) | 4.36 | 4.36 (0.2) | |||||||||
| Distance | [pc] | 229.57 (8) | 222.28 (11) | 229.57 | 229.57 (8) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 9.813161843 (0.2) | 9.932022518 (0.3) | 9.813 (0.2) | 11.3 | |||||||||
| Proper motion (declination) | [mas/yr] | -50.39322446 (0.1) | -50.3933017 (0.2) | -50.393 (0.1) | -51.2 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 18.21 (0.04) | |||||||||||||
| H magnitude | 18.22 (0.06) | |||||||||||||
| K magnitude | 18.20 (0.2) | |||||||||||||
| u magnitude | 18.07 (0.01) | 18.07 (0.01) | 18.03 (0.01) | 18.03 | 18.05 (0.01) | |||||||||
| g magnitude | 17.81 (0.006) | 17.81 (0.006) | 17.76 (0.02) | 17.76 | 17.77 (0.02) | |||||||||
| r magnitude | 18.08 (0.007) | 18.09 (0.007) | 18.07 (0.02) | 18.07 | 18.09 (0.02) | |||||||||
| i magnitude | 18.30 (0.009) | 18.30 (0.009) | 18.34 (0.02) | 18.33 | 18.34 (0.02) | |||||||||
| z magnitude | 18.53 (0.03) | 18.53 (0.03) | 18.61 (0.04) | 18.60 | 18.59 (0.04) | |||||||||
| G magnitude | 17.97 (0.01) | 17.99 | 17.97 | 17.97 (0.003) | ||||||||||
| BP magnitude | 17.93 (0.01) | 17.91 | ||||||||||||
| RP magnitude | 18.08 (0.02) | 18.02 | ||||||||||||
| Pan g magnitude | 17.85 (0.02) | |||||||||||||
| Pan r magnitude | 18.09 (0.004) | |||||||||||||
| Pan i magnitude | 18.35 (0.008) | |||||||||||||
| Pan z magnitude | 18.56 (0.03) | |||||||||||||
| Pan y magnitude | 18.70 (0.04) | |||||||||||||
| E(B-V) | 0.018 | |||||||||||||
* Constant surface field
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