WD 1020+017
All names: SDSS J102251.60+013117.3, Gaia DR3 3856277824558727936, Gaia DR2 3856277824558727936, Gaia EDR3 3856277824558727936, SDSS J102251.60+013117.2, WD 1020+017, USNO-A2.0 0900-06675055, GALEX J102251.6+013117
| 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 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 22 51.61 (0.2) | 10 22 51.60 | 10 22 51.61 (0.3) | 10 22 51.61 | 10 22 51.60 (0.2) | 10 22 51.60 | 10 22 50.54 | 10 22 51.60 | 10 22 51.60 | ||||||
| Declination | 01 31 16.94 (0.2) | 01 31 17.32 | 01 31 16.94 (0.4) | 01 31 16.94 | 01 31 17.22 (0.2) | 01 31 17.30 | 01 31 12.72 | 01 31 17.29 | 01 31 17.29 | ||||||
| Spectral type | DA | DA | DA | DA4 | DA | DA4.1 | DA | DA | |||||||
| Effective temperature | [K] | 11276.0 | 12740.0 (230) | 11946.0 (600) | 12066.0 (118) | 12121.0 (155) | 12153.0 (123) | ||||||||
| log(g) | [cgs] | 7.86 | 8.19 (0.05) | 8.02 (0.06) | 8.12 (0.05) | 8.22 (0.05) | 8.16 (0.05) | ||||||||
| Mass | [M☉] | 0.527 | 0.72 (0.03) | 0.619 (0.05) | 0.732 (0.03) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.3713 | 0.4365 | ||||||||||||
| 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] | 5.18 (0.2) | 4.91 (0.3) | 5.18 | 5.18 (0.2) | ||||||||||
| Distance | [pc] | 193.13 (8) | 203.63 (14) | 193.13 | 193.13 (8) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.766080998 (0.2) | 5.462229583 (0.5) | 4.766 (0.2) | 2.8 | 1.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -17.7422639 (0.2) | -19.02924699 (0.6) | -17.742 (0.2) | -18.1 | -20.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 17.50 (0.3) | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 18.10 (0.3) | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 18.27 (0.04) | ||||||||||||||
| H magnitude | 18.40 (0.2) | ||||||||||||||
| K magnitude | 18.10 (0.2) | ||||||||||||||
| u magnitude | 18.52 (0.02) | 18.52 (0.02) | 18.53 (0.03) | 18.52 | 18.55 (0.02) | 18.52 (0.03) | |||||||||
| g magnitude | 18.11 (0.006) | 18.11 (0.006) | 18.15 (0.03) | 18.11 | 18.15 (0.03) | 18.11 (0.03) | |||||||||
| r magnitude | 18.28 (0.008) | 18.28 (0.008) | 18.28 (0.02) | 18.28 | 18.28 (0.02) | 18.28 (0.02) | |||||||||
| i magnitude | 18.49 (0.01) | 18.49 (0.01) | 18.49 (0.02) | 18.50 | 18.49 (0.02) | 18.50 (0.02) | |||||||||
| z magnitude | 18.73 (0.04) | 18.73 (0.04) | 18.71 (0.04) | 18.70 | 18.73 (0.04) | 18.70 (0.04) | |||||||||
| G magnitude | 18.18 (0.02) | 18.21 | 18.18 | 18.18 (0.004) | |||||||||||
| BP magnitude | 18.20 (0.02) | 18.18 | |||||||||||||
| RP magnitude | 18.21 (0.04) | 18.19 | |||||||||||||
| Pan g magnitude | 18.10 (0.005) | ||||||||||||||
| Pan r magnitude | 18.30 (0.002) | ||||||||||||||
| Pan i magnitude | 18.49 (0.007) | ||||||||||||||
| Pan z magnitude | 18.70 (0.008) | ||||||||||||||
| Pan y magnitude | 18.78 (0.02) | ||||||||||||||
| E(B-V) | 0.018 | ||||||||||||||
* Constant surface field
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