USNO-A2.0 0900-06444657
All names: USNO-A2.0 0900-06444657, GALEX J093438.6+030206, Gaia DR2 3850637604786086784, SDSS J093438.67+030206.1, SDSS J093438.68+030206.0, Gaia EDR3 3850637604786086784, SDSS J093438.68+030206.1, Gaia DR3 3850637604786086784, WD 0932+032, SDSS J093438.67+030206.0
| 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 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 34 38.67 (0.2) | 09 34 38.68 | 09 34 38.67 (0.3) | 09 34 38.67 | 09 34 38.68 (0.2) | 09 34 38.68 | 09 34 38.93 | 09 34 38.68 | ||||||
| Declination | 03 02 05.73 (0.1) | 03 02 06.12 | 03 02 05.74 (0.2) | 03 02 05.73 | 03 02 06.04 (0.1) | 03 02 06.09 | 03 02 00.24 | 03 02 06.08 | ||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 11969.0 | 13220.0 (300) | 11340.0 (425) | 12441.0 (921) | 12503.0 (164) | ||||||||
| log(g) | [cgs] | 8.08 | 8.03 (0.07) | 7.74 (0.08) | 8.07 (0.1) | 7.95 (0.06) | ||||||||
| Mass | [M☉] | 0.651 | 0.62 (0.04) | 0.462 (0.06) | 0.58 (0.03) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.4176 | 0.3162 | |||||||||||
| 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] | 3.51 (0.2) | 4.15 (0.3) | 3.51 | 3.51 (0.2) | |||||||||
| Distance | [pc] | 284.54 (16) | 241.12 (17) | 284.54 | 284.54 (16) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.080329686 (0.2) | -8.266813998 (0.5) | -9.08 (0.2) | 3.1 | |||||||||
| Proper motion (declination) | [mas/yr] | -19.18274769 (0.2) | -19.22735799 (0.4) | -19.183 (0.2) | -15.7 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 18.10 (0.3) | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 18.70 (0.3) | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 19.00 (0.1) | |||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.04 (0.02) | 19.04 (0.02) | 19.07 (0.03) | 19.06 | 19.07 (0.03) | |||||||||
| g magnitude | 18.63 (0.008) | 18.63 (0.008) | 18.64 (0.01) | 18.63 | 18.65 (0.01) | |||||||||
| r magnitude | 18.80 (0.01) | 18.80 (0.01) | 18.80 (0.01) | 18.79 | 18.80 (0.01) | |||||||||
| i magnitude | 19.02 (0.01) | 19.02 (0.01) | 19.03 (0.02) | 19.02 | 19.03 (0.02) | |||||||||
| z magnitude | 19.31 (0.05) | 19.31 (0.05) | 19.31 (0.05) | 19.30 | 19.31 (0.05) | |||||||||
| G magnitude | 18.72 (0.02) | 18.75 | 18.72 | 18.72 (0.004) | ||||||||||
| BP magnitude | 18.82 (0.02) | 18.74 | ||||||||||||
| RP magnitude | 18.72 (0.03) | 18.81 | ||||||||||||
| Pan g magnitude | 18.63 (0.007) | |||||||||||||
| Pan r magnitude | 18.84 (0.008) | |||||||||||||
| Pan i magnitude | 19.05 (0.007) | |||||||||||||
| Pan z magnitude | 19.25 (0.01) | |||||||||||||
| Pan y magnitude | 19.39 (0.03) | |||||||||||||
| E(B-V) | 0.022 | |||||||||||||
* Constant surface field
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