WD 0740+348
All names: WD 0740+348, SDSS J074334.27+344647.4, Gaia DR3 894242908633329152, [HHD2009] SDSS J0743+3446, Gaia DR2 894242908633329152, Gaia EDR3 894242908633329152, WIRED J074334.26+344647.4, SDSS J074334.27+344647.5, SDSS J074334.26+344647.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 43 34.26 (0.6) | 07 43 34.27 | 07 43 34.26 (0.7) | 07 43 34.26 | 07 43 34.27 (0.6) | 07 43 34.27 | 07 43 33.72 | 07 43 34.27 | ||||
| Declination | 34 46 47.19 (0.4) | 34 46 47.41 | 34 46 47.20 (0.5) | 34 46 47.39 | 34 46 47.41 (0.4) | 34 46 47.41 | 34 46 42.96 | 34 46 47.46 | ||||
| Spectral type | DA+M | DA+M | DA+dMe | DA+M | DA+M | DA+M | ||||||
| Effective temperature | [K] | 6906.0 | 18542.0 (1008) | 9850.0 (102) | 9754.0 (117) | |||||||
| log(g) | [cgs] | 7.15 | 7.98 (0.2) | 8.60 (0.1) | 8.38 (0.1) | |||||||
| Mass | [M☉] | 0.232 | 0.61 (0.1) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.6987 | ||||||||||
| 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] | 1.60 (0.6) | 2.84 (1) | 1.60 (0.6) | ||||||||
| Distance | [pc] | 625.52 (251) | 351.83 (121) | 1040.00 (171) | 625.51 (251) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.202960049 (0.8) | -3.768442324 (2) | -6.203 (0.8) | 4.1 | |||||||
| Proper motion (declination) | [mas/yr] | -13.89434486 (0.4) | -13.50740667 (0.9) | -13.894 (0.4) | -14.7 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | yes | WDMS | ||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.55 (0.05) | 20.53 | 20.55 (0.06) | 20.52 (0.06) | 20.52 | 20.55 (0.05) | ||||||
| g magnitude | 20.26 (0.02) | 20.27 | 20.27 (0.02) | 20.27 (0.02) | 20.27 | 20.27 (0.02) | ||||||
| r magnitude | 20.39 (0.03) | 20.41 | 20.41 (0.03) | 20.41 (0.03) | 20.41 | 20.41 (0.03) | ||||||
| i magnitude | 20.00 (0.03) | 20.01 | 20.00 (0.03) | 20.01 (0.03) | 20.00 | 20.01 (0.03) | ||||||
| z magnitude | 19.44 (0.07) | 19.44 | 19.43 (0.07) | 19.44 (0.07) | 19.44 | 19.44 (0.07) | ||||||
| G magnitude | 20.16 (0.07) | 20.18 | 20.16 (0.006) | |||||||||
| BP magnitude | 20.43 (0.07) | 20.35 | ||||||||||
| RP magnitude | 19.53 (0.05) | 19.52 | ||||||||||
| Pan g magnitude | 20.25 (0.02) | |||||||||||
| Pan r magnitude | 20.33 (0.03) | |||||||||||
| Pan i magnitude | 20.01 (0.01) | |||||||||||
| Pan z magnitude | 19.58 (0.02) | |||||||||||
| Pan y magnitude | 19.31 (0.05) | |||||||||||
| E(B-V) | 0.039 | |||||||||||
* Constant surface field
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