WD 1554+322
All names: 2MASS J15560524+3205064, USNO-B1.0 1220-00286251, SDSS J155605.25+320507.0, LAMOST J155605.26+320506.9, SDSS J155605.26+320507.0, WD 1554+322, Gaia DR3 1321747774137208448, WIRED J155605.26+320506.9, GALEX J155605.2+320507, SDSS J155605.26+320506.9, Gaia EDR3 1321747774137208448, Gaia DR2 1321747774137208448, Ton 807, TIC 188577467, CBS 413
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | 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 | 15 56 05.25 (0.02) | 15 56 05.26 | 15 56 05.25 (0.03) | 15 56 05.25 | 15 56 05.27 (0.02) | 15 56 05.26 | 15 56 04.85 | 15 56 05.26 | ||||||||
| Declination | 32 05 07.03 (0.03) | 32 05 06.97 | 32 05 07.03 (0.05) | 32 05 07.03 | 32 05 06.90 (0.03) | 32 05 06.96 | 32 05 08.52 | 32 05 06.96 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA1.6 | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 31458.0 (79) | 27441.0 | 31130.0 (472) | 32410.0 (130) | 31524.0 (534) | 31619.0 (179) | 31899.0 (40) | ||||||||
| log(g) | [cgs] | 8.31 (0.02) | 8.27 | 8.46 (0.06) | 8.26 (0.03) | 8.43 (0.02) | 8.40 (0.02) | 8.34 (0.03) | ||||||||
| Mass | [M☉] | 0.83 (0.01) | 0.797 | 0.93 (0.04) | 0.8 (0.02) | 0.904 (0.01) | 0.832 (0.02) | |||||||||
| log(Luminosity) | [L☉] | -1.01 (0.01) | ||||||||||||||
| Cooling age | [Gyr] | 0.0135 (0.001) | 0.0320 | 0.0151 | ||||||||||||
| 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] | 8.12 (0.04) | 8.07 (0.05) | 8.12 | 8.12 (0.04) | |||||||||||
| Distance | [pc] | 123.21 (0.6) | 123.89 (0.8) | 118.00 | 123.21 | 123.21 (0.6) | ||||||||||
| Composition | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.06033406 (0.03) | -13.13900321 (0.07) | -13.06 (0.03) | -7.6 | |||||||||||
| Proper motion (declination) | [mas/yr] | 8.305576188 (0.05) | 8.193101825 (0.1) | 8.306 (0.04) | 12.1 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 15.80 | |||||||||||||||
| V magnitude | 16.00 | |||||||||||||||
| R magnitude | ||||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.56 (0.1) | |||||||||||||||
| H magnitude | 17.62 (0.2) | |||||||||||||||
| K magnitude | 16.02 (0.1) | |||||||||||||||
| u magnitude | 15.51 (0.005) | 15.51 (0.005) | 15.54 (0.02) | 15.53 | 15.53 (0.02) | |||||||||||
| g magnitude | 15.78 (0.004) | 15.78 (0.004) | 15.82 (0.02) | 15.81 | 15.81 (0.02) | |||||||||||
| r magnitude | 16.27 (0.005) | 16.27 (0.005) | 16.27 (0.01) | 16.27 | 16.27 (0.02) | |||||||||||
| i magnitude | 16.60 (0.005) | 16.61 (0.005) | 16.60 (0.01) | 16.60 | 16.60 (0.01) | |||||||||||
| z magnitude | 16.93 (0.01) | 16.93 (0.01) | 16.93 (0.02) | 16.93 | 16.93 (0.02) | |||||||||||
| G magnitude | 16.03 (0.002) | 16.06 | 16.03 | 16.03 (0.003) | ||||||||||||
| BP magnitude | 15.90 (0.002) | 15.84 | ||||||||||||||
| RP magnitude | 16.31 (0.003) | 16.30 | ||||||||||||||
| Pan g magnitude | 15.87 (0.0008) | |||||||||||||||
| Pan r magnitude | 16.28 (0.003) | |||||||||||||||
| Pan i magnitude | 16.62 (0.002) | |||||||||||||||
| Pan z magnitude | 16.92 (0.005) | |||||||||||||||
| Pan y magnitude | 17.13 (0.01) | |||||||||||||||
| E(B-V) | 0.017 | |||||||||||||||
* Constant surface field
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