SDSS J083753.64+381822.2
All names: Gaia DR2 910268977802919680, SDSS J083753.63+381822.2, SDSS J083753.64+381822.3, GALEX J083753.6+381822, Gaia EDR3 910268977802919680, SDSS J083753.64+381822.2, Gaia DR3 910268977802919680, WD 0834+384
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 37 53.65 (0.2) | 08 37 53.64 | 08 37 53.65 (0.3) | 08 37 53.65 (0.2) | 08 37 53.64 | 08 37 53.83 | 08 37 53.64 | ||||||
| Declination | 38 18 22.20 (0.2) | 38 18 22.32 | 38 18 22.20 (0.2) | 38 18 22.24 (0.2) | 38 18 22.23 | 38 18 16.56 | 38 18 22.24 | ||||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 14873.0 | 27930.0 (770) | 26512.0 (516) | 26223.0 (655) | ||||||||
| log(g) | [cgs] | 7.03 | 7.54 (0.1) | 7.50 (0.1) | 7.44 (0.1) | ||||||||
| Mass | [M☉] | 0.25 | 0.45 (0.04) | 0.446 (0.03) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0692 | 0.0071 | ||||||||||
| 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] | 1.16 (0.3) | 1.29 (0.4) | 1.16 (0.3) | |||||||||
| Distance | [pc] | 860.20 (247) | 773.16 (255) | 860.22 (247) | |||||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 2.976441352 (0.3) | 3.531126631 (0.6) | 2.976 (0.3) | 3.1 | ||||||||
| Proper motion (declination) | [mas/yr] | -2.740760333 (0.3) | -2.435861156 (0.5) | -2.741 (0.3) | -4.6 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.12 (0.02) | 19.11 (0.02) | 19.12 (0.03) | 19.12 | 19.13 (0.03) | ||||||||
| g magnitude | 19.08 (0.01) | 19.08 (0.01) | 19.10 (0.01) | 19.10 | 19.09 (0.01) | ||||||||
| r magnitude | 19.47 (0.02) | 19.47 (0.02) | 19.49 (0.03) | 19.48 (0.02) | |||||||||
| i magnitude | 19.49 (0.02) | 19.49 (0.02) | 19.54 (0.03) | 19.53 (0.03) | |||||||||
| z magnitude | 20.16 (0.1) | 20.16 (0.1) | 20.20 (0.1) | 20.19 (0.1) | |||||||||
| G magnitude | 19.32 (0.04) | 19.36 | 19.32 (0.004) | ||||||||||
| BP magnitude | 19.27 (0.04) | 19.18 | |||||||||||
| RP magnitude | 19.48 (0.06) | 19.35 | |||||||||||
| Pan g magnitude | 19.18 (0.006) | ||||||||||||
| Pan r magnitude | 19.49 (0.01) | ||||||||||||
| Pan i magnitude | 19.79 (0.01) | ||||||||||||
| Pan z magnitude | 20.00 (0.04) | ||||||||||||
| Pan y magnitude | 19.71 (0.1) | ||||||||||||
| E(B-V) | 0.028 | ||||||||||||
* Constant surface field
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