WD 0902+168
All names: WD 0902+168, SDSS J090453.55+163750.8, Gaia DR2 610925975068904576, SDSS J090453.55+163750.84, Gaia DR3 610925975068904576, SDSS J090453.52+163751.1, GALEX J090453.5+163751, USNO-B1.0 1066-00167605, Gaia EDR3 610925975068904576, LB 9245
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 04 53.56 (0.2) | 09 04 53.53 | 09 04 53.53 | 09 04 53.56 (0.3) | 09 04 53.56 | 09 04 53.52 (0.2) | 09 04 52.73 | |||||||
| Declination | 16 37 50.66 (0.1) | 16 37 51.12 | 16 37 51.12 | 16 37 50.68 (0.3) | 16 37 50.66 | 16 37 51.31 (0.1) | 16 37 54.84 | |||||||
| Spectral type | DC | DC | DC | DC | DC | ? | DC | |||||||
| Effective temperature | [K] | 10216.0 | 10225.0 | 8735.0 (1000) | 9795.0 (329) | |||||||||
| log(g) | [cgs] | 8.23 | 8.17 | 9.00 (0.5) | 7.98 (0.06) | |||||||||
| Mass | [M☉] | 0.745 | 0.685 | 0.568 (0.05) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.8057 | 0.7578 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 6.68 (0.2) | 6.93 (0.3) | 6.68 | 6.68 (0.2) | |||||||||
| Distance | [pc] | 149.75 (4) | 144.27 (6) | 149.75 | 149.75 (4) | |||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 38.15384833 (0.2) | 38.55529846 (0.5) | 38.154 (0.2) | ||||||||||
| Proper motion (declination) | [mas/yr] | -40.54932813 (0.2) | -40.58803949 (0.5) | -40.549 (0.2) | ||||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 17.90 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 18.40 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 18.34 (0.01) | 18.33 (0.01) | 18.34 (0.01) | 18.34 (0.01) | ||||||||||
| g magnitude | 18.20 (0.007) | 18.20 (0.007) | 18.20 (0.01) | 18.20 (0.007) | ||||||||||
| r magnitude | 18.32 (0.008) | 18.33 (0.008) | 18.32 (0.01) | 18.32 (0.008) | ||||||||||
| i magnitude | 18.49 (0.01) | 18.50 (0.01) | 18.49 (0.01) | 18.49 (0.01) | ||||||||||
| z magnitude | 18.67 (0.03) | 18.68 (0.03) | 18.67 (0.03) | 18.67 (0.04) | ||||||||||
| G magnitude | 18.24 (0.01) | 18.27 | 18.24 | 18.24 (0.003) | ||||||||||
| BP magnitude | 18.29 (0.01) | 18.24 | ||||||||||||
| RP magnitude | 18.17 (0.02) | 18.13 | ||||||||||||
| Pan g magnitude | 18.24 (0.004) | |||||||||||||
| Pan r magnitude | 18.33 (0.006) | |||||||||||||
| Pan i magnitude | 18.50 (0.009) | |||||||||||||
| Pan z magnitude | 18.66 (0.007) | |||||||||||||
| Pan y magnitude | 18.75 (0.03) | |||||||||||||
| E(B-V) | 0.008 | |||||||||||||
* Constant surface field
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