SDSS J091044.00+084029.7
All names: GALEX J091044.0+084030, Gaia DR2 590414757450831104, SDSS J091044.01+084029.6, WD 0908+088, SDSS J091044.00+084029.7, Gaia DR3 590414757450831104, Gaia EDR3 590414757450831104
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD HE | Gaia DR2 | Stilism | Koester & Kepler 2015 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 10 44.01 (0.2) | 09 10 44.01 | 09 10 44.01 (0.3) | 09 10 44.01 (0.2) | 09 10 44.01 | 09 10 43.73 | 09 10 44.00 | ||||||
| Declination | 08 40 29.60 (0.2) | 08 40 29.76 | 08 40 29.61 (0.2) | 08 40 29.84 (0.2) | 08 40 29.78 | 08 40 24.96 | 08 40 29.73 | ||||||
| Spectral type | DB | DB+M | DB_A: | DB | DB+M | DB | |||||||
| Effective temperature | [K] | 14413.0 | 15436.0 (99) | 16143.0 (165) | 15536.0 (201) | ||||||||
| log(g) | [cgs] | 7.72 | 8.00 (0) | 8.27 (0.1) | 8.21 (0.1) | ||||||||
| Mass | [M☉] | 0.442 | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.1501 | |||||||||||
| log(H/He) | <-5.1 | ||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | <-6.94 | ||||||||||||
| log(Ca/H) | |||||||||||||
| log(N/He) | |||||||||||||
| log(O/He) | |||||||||||||
| log(Na/He) | |||||||||||||
| log(Mg/He) | |||||||||||||
| log(Al/He) | |||||||||||||
| log(Si/He) | |||||||||||||
| log(P/He) | |||||||||||||
| log(S/He) | |||||||||||||
| log(Cl/He) | |||||||||||||
| log(Sc/He) | |||||||||||||
| log(Ti/He) | |||||||||||||
| log(V/He) | |||||||||||||
| log(Cr/He) | |||||||||||||
| log(Mn/He) | |||||||||||||
| log(Fe/He) | |||||||||||||
| log(Co/He) | |||||||||||||
| log(Ni/He) | |||||||||||||
| log(Cu/He) | |||||||||||||
| log(Zn/He) | |||||||||||||
| log(Ga/He) | |||||||||||||
| log(Ge/He) | |||||||||||||
| log(Sr/He) | |||||||||||||
| Parallax | [mas] | 2.62 (0.2) | 2.45 (0.3) | 2.62 (0.2) | |||||||||
| Distance | [pc] | 382.30 (33) | 408.32 (50) | 353.00 | 382.31 (33) | ||||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.677479173 (0.3) | 0.30680869 (0.6) | 0.677 (0.3) | 2.6 | ||||||||
| Proper motion (declination) | [mas/yr] | -15.29155438 (0.2) | -15.11494326 (0.4) | -15.292 (0.2) | -15.4 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | ||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 19.46 (0.09) | ||||||||||||
| H magnitude | 19.70 (0.2) | ||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.86 (0.02) | 18.86 (0.02) | 18.86 (0.03) | 18.85 | 18.86 (0.02) | ||||||||
| g magnitude | 18.89 (0.009) | 18.89 (0.009) | 18.89 (0.02) | 18.88 | 18.89 (0.02) | ||||||||
| r magnitude | 19.18 (0.01) | 19.18 (0.01) | 19.19 (0.02) | 19.19 | 19.19 (0.02) | ||||||||
| i magnitude | 19.35 (0.02) | 19.35 (0.02) | 19.37 (0.02) | 19.37 | 19.36 (0.02) | ||||||||
| z magnitude | 19.92 (0.1) | 19.92 (0.1) | 19.93 (0.1) | 19.92 | 19.91 (0.1) | ||||||||
| G magnitude | 19.03 (0.03) | 19.07 | 19.03 (0.004) | ||||||||||
| BP magnitude | 19.05 (0.03) | 19.00 | |||||||||||
| RP magnitude | 19.17 (0.06) | 19.12 | |||||||||||
| Pan g magnitude | 18.93 (0.01) | ||||||||||||
| Pan r magnitude | 19.17 (0.005) | ||||||||||||
| Pan i magnitude | 19.42 (0.01) | ||||||||||||
| Pan z magnitude | 19.66 (0.01) | ||||||||||||
| Pan y magnitude | 19.66 (0.09) | ||||||||||||
| E(B-V) | 0.027 | ||||||||||||
* Constant surface field
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