SDSS J074907.55+211124.1
All names: Gaia DR2 673707058222097280, Gaia EDR3 673707058222097280, SDSS J074907.55+211124.1, GALEX J074907.6+211123, WD 0746+213, SDSS J074907.56+211124.2, SDSS J074907.56+211124.1, Gaia DR3 673707058222097280
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | 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 | 07 49 07.56 (0.2) | 07 49 07.56 | 07 49 07.56 (0.2) | 07 49 07.56 (0.2) | 07 49 07.56 | 07 49 06.91 | 07 49 07.56 | |||||||
| Declination | 21 11 24.13 (0.1) | 21 11 24.13 | 21 11 24.13 (0.1) | 21 11 24.15 (0.1) | 21 11 24.15 | 21 11 20.40 | 21 11 24.15 | |||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 32171.0 (263) | 25941.0 | 32730.0 (390) | 32984.0 (345) | 32600.0 (295) | ||||||||
| log(g) | [cgs] | 8.26 (0.06) | 8.03 | 8.18 (0.09) | 8.27 (0.06) | 8.21 (0.06) | ||||||||
| Mass | [M☉] | 0.8 (0.04) | 0.656 | 0.76 (0.05) | 0.759 (0.04) | |||||||||
| log(Luminosity) | [L☉] | -0.93 (0.04) | ||||||||||||
| Cooling age | [Gyr] | 0.0095 (0.001) | 0.0198 | 0.0120 | ||||||||||
| 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] | 2.48 (0.2) | 2.34 (0.3) | 2.48 (0.2) | ||||||||||
| Distance | [pc] | 402.59 (31) | 427.22 (47) | 402.59 (31) | ||||||||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.298857942 (0.2) | -0.021587483 (0.4) | 0.299 (0.2) | 1.4 | |||||||||
| Proper motion (declination) | [mas/yr] | -1.063055544 (0.1) | -1.507398941 (0.3) | -1.063 (0.1) | -1.0 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 19.30 (0.1) | |||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 17.95 (0.01) | 17.95 (0.01) | 17.96 (0.02) | 17.95 | 17.96 (0.02) | |||||||||
| g magnitude | 18.23 (0.006) | 18.23 (0.006) | 18.24 (0.01) | 18.23 | 18.24 (0.01) | |||||||||
| r magnitude | 18.70 (0.01) | 18.70 (0.01) | 18.70 (0.01) | 18.69 | 18.70 (0.01) | |||||||||
| i magnitude | 19.05 (0.01) | 19.05 (0.01) | 19.05 (0.02) | 19.04 | 19.05 (0.02) | |||||||||
| z magnitude | 19.25 (0.05) | 19.25 (0.05) | 19.25 (0.06) | 19.24 | 19.25 (0.06) | |||||||||
| G magnitude | 18.47 (0.02) | 18.51 | 18.47 (0.004) | |||||||||||
| BP magnitude | 18.30 (0.02) | 18.20 | ||||||||||||
| RP magnitude | 18.70 (0.05) | 18.72 | ||||||||||||
| Pan g magnitude | 18.31 (0.005) | |||||||||||||
| Pan r magnitude | 18.71 (0.004) | |||||||||||||
| Pan i magnitude | 19.06 (0.007) | |||||||||||||
| Pan z magnitude | 19.34 (0.02) | |||||||||||||
| Pan y magnitude | 19.54 (0.04) | |||||||||||||
| E(B-V) | 0.025 | |||||||||||||
* Constant surface field
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