WD 0744+405
All names: SDSS J074740.28+402449.1, Gaia EDR3 920807178280258176, Gaia DR2 920807178280258176, WD 0744+405, GALEX J074740.2+402449, Gaia DR3 920807178280258176, SDSS J074740.29+402448.8, SDSS J074740.29+402449.1, SDSS J074740.30+402448.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | 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 | 07 47 40.32 (0.2) | 07 47 40.30 | 07 47 40.32 (0.3) | 07 47 40.32 | 07 47 40.30 (0.2) | 07 47 40.29 | 07 47 39.77 | 07 47 40.29 | 07 47 40.29 | |||||
| Declination | 40 24 48.60 (0.2) | 40 24 48.86 | 40 24 48.61 (0.2) | 40 24 48.60 | 40 24 49.12 (0.2) | 40 24 49.11 | 40 24 45.00 | 40 24 49.10 | 40 24 49.10 | |||||
| Spectral type | DA | DA | DA7 | DA | DA6.2 | DA | DA | |||||||
| Effective temperature | [K] | 7352.0 | 7252.0 (306) | 7931.0 (91) | 7337.0 (79) | 8111.0 (101) | ||||||||
| log(g) | [cgs] | 7.69 | 7.83 (0.1) | 8.45 (0.2) | 7.78 (0.2) | 8.84 (0.1) | ||||||||
| Mass | [M☉] | 0.425 | 0.496 (0.08) | 0.486 (0.1) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.9003 | ||||||||||||
| 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] | 6.02 (0.3) | 5.41 (0.5) | 6.02 | 6.02 (0.3) | |||||||||
| Distance | [pc] | 165.99 (8) | 184.83 (16) | 165.99 | 165.99 (8) | |||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 14.69977187 (0.3) | 14.14293942 (0.6) | 14.7 (0.3) | 14.3 | 15.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -32.95684016 (0.2) | -32.90760392 (0.4) | -32.957 (0.2) | -37.4 | -35.0 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.88 (0.04) | 19.88 (0.04) | 19.87 (0.04) | 19.85 | 19.84 (0.04) | 19.85 (0.04) | ||||||||
| g magnitude | 19.37 (0.01) | 19.37 (0.01) | 19.35 (0.02) | 19.35 | 19.34 (0.02) | 19.35 (0.02) | ||||||||
| r magnitude | 19.21 (0.01) | 19.21 (0.01) | 19.23 (0.02) | 19.23 | 19.21 (0.02) | 19.23 (0.02) | ||||||||
| i magnitude | 19.14 (0.02) | 19.14 (0.02) | 19.21 (0.02) | 19.20 | 19.20 (0.02) | 19.20 (0.02) | ||||||||
| z magnitude | 19.19 (0.05) | 19.19 (0.05) | 19.25 (0.05) | 19.26 | 19.24 (0.05) | 19.26 (0.05) | ||||||||
| G magnitude | 19.17 (0.04) | 19.21 | 19.17 | 19.17 (0.004) | ||||||||||
| BP magnitude | 19.40 (0.04) | 19.34 | ||||||||||||
| RP magnitude | 18.87 (0.05) | 18.83 | ||||||||||||
| Pan g magnitude | 19.34 (0.01) | |||||||||||||
| Pan r magnitude | 19.18 (0.01) | |||||||||||||
| Pan i magnitude | 19.16 (0.006) | |||||||||||||
| Pan z magnitude | 19.28 (0.03) | |||||||||||||
| Pan y magnitude | 19.33 (0.04) | |||||||||||||
| E(B-V) | 0.008 | |||||||||||||
* Constant surface field
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