SDSS J083953.76+142745.9
All names: SDSS J083953.76+142745.9, WIRED J083953.76+142745.9, WD 0837+146, Gaia DR2 609475169475994112, GALEX J083953.7+142746, [HHD2009] SDSS J0839+1427, Gaia DR3 609475169475994112, SDSS J083953.76+142746.1, Gaia EDR3 609475169475994112, SDSS J083953.76+142745.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 39 53.75 (0.1) | 08 39 53.76 | 08 39 53.75 (0.1) | 08 39 53.76 | 08 39 53.75 | 08 39 53.77 (0.1) | 08 39 53.09 | 08 39 53.76 | |||||
| Declination | 14 27 45.69 (0.07) | 14 27 45.90 | 14 27 45.70 (0.09) | 14 27 45.90 | 14 27 45.69 | 14 27 46.01 (0.07) | 14 27 45.00 | 14 27 45.94 | |||||
| Spectral type | DA+M | DA+M | DA | DA+M | DA dM | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 11015.0 | 22037.0 (469) | 15038.0 (615) | 21293.0 (243) | ||||||||
| log(g) | [cgs] | 6.51 | 7.32 (0.07) | 6.84 (0.07) | 7.20 (0.04) | ||||||||
| Mass | [M☉] | 0.141 | 0.35 (0.02) | 0.222 (0.01) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| 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] | 2.20 (0.1) | 2.31 (0.2) | 2.20 | 2.20 (0.1) | ||||||||
| Distance | [pc] | 454.58 (30) | 433.55 (35) | 256.00 (70) | 454.58 | 454.59 (30) | |||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.56212372 (0.1) | -15.40251165 (0.3) | -15.562 (0.1) | |||||||||
| Proper motion (declination) | [mas/yr] | -20.11155422 (0.1) | -20.05058676 (0.2) | -20.112 (0.1) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.81 (0.01) | 17.86 | 17.80 (0.01) | 17.85 | 17.82 (0.02) | ||||||||
| g magnitude | 17.79 (0.005) | 17.81 | 17.79 (0.005) | 17.80 | 17.79 (0.02) | ||||||||
| r magnitude | 18.17 (0.007) | 18.17 | 18.17 (0.007) | 18.16 | 18.15 (0.01) | ||||||||
| i magnitude | 18.23 (0.009) | 18.23 | 18.23 (0.009) | 18.22 | 18.23 (0.02) | ||||||||
| z magnitude | 18.11 (0.02) | 18.08 | 18.11 (0.02) | 18.07 | 18.08 (0.02) | ||||||||
| G magnitude | 17.92 (0.02) | 17.94 | 17.92 | 17.92 (0.003) | |||||||||
| BP magnitude | 17.89 (0.02) | 17.84 | |||||||||||
| RP magnitude | 17.85 (0.02) | 17.85 | |||||||||||
| Pan g magnitude | 17.83 (0.006) | ||||||||||||
| Pan r magnitude | 18.17 (0.004) | ||||||||||||
| Pan i magnitude | 18.24 (0.007) | ||||||||||||
| Pan z magnitude | 18.15 (0.005) | ||||||||||||
| Pan y magnitude | 18.04 (0.01) | ||||||||||||
| E(B-V) | 0.030 | ||||||||||||
* Constant surface field
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