SDSS J034741.95+010823.8
All names: SDSS J034741.96+010823.7, SDSS J034741.96+010823.8, Gaia EDR3 3269788598496708864, SDSS J034741.96+010823.80, WD 0345+009, Gaia DR3 3269788598496708864, GALEX J034741.9+010825, Gaia DR2 3269788598496708864, LAMOST J034741.95+010823.8, SDSS J034741.95+010823.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 47 41.96 (0.2) | 03 47 41.96 | 03 47 41.96 (0.3) | 03 47 41.96 (0.2) | 03 47 41.96 | 03 47 41.78 | 03 47 41.96 | |||||||
| Declination | 01 08 23.84 (0.2) | 01 08 23.78 | 01 08 23.84 (0.2) | 01 08 23.82 (0.2) | 01 08 23.81 | 01 08 23.64 | 01 08 23.81 | |||||||
| Spectral type | DB | DB | DB | DB | DB | DB+MS | ||||||||
| Effective temperature | [K] | 17809.0 | 26320.0 | 11835.0 | 17917.0 (325) | 18195.0 (466) | ||||||||
| log(g) | [cgs] | 8.30 | 7.89 | 7.23 | 8.07 (0.2) | 8.17 (0.2) | ||||||||
| Mass | [M☉] | 0.783 | 0.551 | 0.259 | 0.691 (0.1) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.1909 | ||||||||||||
| log(H/He) | -4.844 | |||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(N/He) | ||||||||||||||
| log(O/He) | ||||||||||||||
| log(Na/He) | ||||||||||||||
| log(Mg/He) | ||||||||||||||
| log(Al/He) | ||||||||||||||
| log(Si/He) | ||||||||||||||
| log(P/He) | ||||||||||||||
| log(S/He) | ||||||||||||||
| log(Cl/He) | ||||||||||||||
| log(Sc/He) | ||||||||||||||
| log(Ti/He) | ||||||||||||||
| log(V/He) | ||||||||||||||
| log(Cr/He) | ||||||||||||||
| log(Mn/He) | ||||||||||||||
| log(Fe/He) | ||||||||||||||
| log(Co/He) | ||||||||||||||
| log(Ni/He) | ||||||||||||||
| log(Cu/He) | ||||||||||||||
| log(Zn/He) | ||||||||||||||
| log(Ga/He) | ||||||||||||||
| log(Ge/He) | ||||||||||||||
| log(Sr/He) | ||||||||||||||
| Parallax | [mas] | 2.38 (0.3) | 2.16 (0.3) | 2.38 (0.3) | ||||||||||
| Distance | [pc] | 419.98 (48) | 463.34 (73) | 419.97 (48) | ||||||||||
| Composition | He | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 5.528183611 (0.3) | 5.796390055 (0.6) | 5.528 (0.3) | 8.0 | |||||||||
| Proper motion (declination) | [mas/yr] | 1.165361624 (0.3) | 2.426654213 (0.6) | 1.165 (0.3) | 4.6 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | WDMS | |||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.07 (0.02) | 19.07 (0.02) | 19.11 (0.03) | 19.10 | 19.13 (0.03) | |||||||||
| g magnitude | 19.02 (0.009) | 19.02 (0.009) | 19.04 (0.02) | 19.04 | 19.06 (0.02) | |||||||||
| r magnitude | 19.23 (0.01) | 19.23 (0.01) | 19.19 (0.02) | 19.19 | 19.19 (0.02) | |||||||||
| i magnitude | 19.41 (0.02) | 19.41 (0.02) | 19.36 (0.03) | 19.36 | 19.35 (0.03) | |||||||||
| z magnitude | 19.46 (0.07) | 19.46 (0.07) | 19.63 (0.08) | 19.63 | 19.63 (0.08) | |||||||||
| G magnitude | 19.09 (0.01) | 19.13 | 19.09 (0.004) | |||||||||||
| BP magnitude | 19.14 (0.01) | 19.07 | ||||||||||||
| RP magnitude | 19.15 (0.04) | 19.11 | ||||||||||||
| Pan g magnitude | 19.05 (0.01) | |||||||||||||
| Pan r magnitude | 19.23 (0.007) | |||||||||||||
| Pan i magnitude | 19.41 (0.01) | |||||||||||||
| Pan z magnitude | 19.62 (0.03) | |||||||||||||
| Pan y magnitude | 19.70 (0.04) | |||||||||||||
| E(B-V) | 0.160 | |||||||||||||
* Constant surface field
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