SDSS J080739.44+292618.7
All names: GALEX J080739.4+292619, Gaia DR2 876614438705454592, SDSS J080739.44+292618.6, Gaia DR3 876614438705454592, WD 0804+295, Gaia EDR3 876614438705454592, SDSS J080739.45+292618.6, USNO-A2.0 1125-05507261, SDSS J080739.44+292618.7
| 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 07 39.42 (0.2) | 08 07 39.45 | 08 07 39.42 (0.3) | 08 07 39.45 (0.2) | 08 07 39.45 | 08 07 38.98 | 08 07 39.45 | ||||||
| Declination | 29 26 18.51 (0.2) | 29 26 18.74 | 29 26 18.52 (0.2) | 29 26 18.71 (0.2) | 29 26 18.62 | 29 26 16.08 | 29 26 18.64 | ||||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 9839.0 | 10920.0 (140) | 10820.0 (91) | 10749.0 (89) | ||||||||
| log(g) | [cgs] | 7.51 | 8.14 (0.09) | 8.05 (0.07) | 8.14 (0.07) | ||||||||
| Mass | [M☉] | 0.358 | 0.69 (0.05) | 0.682 (0.04) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.3716 | 0.6026 | ||||||||||
| 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] | 3.10 (0.3) | 3.05 (0.4) | 3.10 (0.3) | |||||||||
| Distance | [pc] | 322.74 (31) | 327.40 (46) | 322.75 (31) | |||||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -21.49552907 (0.3) | -21.94166066 (0.6) | -21.496 (0.3) | -18.9 | ||||||||
| Proper motion (declination) | [mas/yr] | -12.29522866 (0.2) | -12.56059278 (0.3) | -12.295 (0.2) | -10.7 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.80 (0.3) | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.70 (0.3) | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.50 (0.03) | 19.50 (0.03) | 19.55 (0.04) | 19.55 | 19.52 (0.04) | ||||||||
| g magnitude | 19.04 (0.01) | 19.04 (0.01) | 19.07 (0.02) | 19.07 | 19.06 (0.02) | ||||||||
| r magnitude | 19.15 (0.01) | 19.15 (0.01) | 19.17 (0.02) | 19.16 | 19.17 (0.02) | ||||||||
| i magnitude | 19.32 (0.02) | 19.32 (0.02) | 19.33 (0.02) | 19.32 | 19.33 (0.02) | ||||||||
| z magnitude | 19.55 (0.05) | 19.55 (0.05) | 19.57 (0.05) | 19.56 | 19.57 (0.05) | ||||||||
| G magnitude | 19.11 (0.02) | 19.13 | 19.11 (0.004) | ||||||||||
| BP magnitude | 19.16 (0.02) | 19.11 | |||||||||||
| RP magnitude | 18.99 (0.06) | 18.86 | |||||||||||
| Pan g magnitude | 19.08 (0.007) | ||||||||||||
| Pan r magnitude | 19.21 (0.008) | ||||||||||||
| Pan i magnitude | 19.37 (0.006) | ||||||||||||
| Pan z magnitude | 19.49 (0.02) | ||||||||||||
| Pan y magnitude | 19.57 (0.04) | ||||||||||||
| E(B-V) | 0.021 | ||||||||||||
* Constant surface field
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