PG 0908+171
All names: USNO-B1.0 1069-00182831, WD 0908+171, [BGK2006] J091124.00+165411.7, SDSS J091123.98+165411.63, SDSS J091124.00+165411.6, Gaia DR2 607984785759304192, Gaia EDR3 607984785759304192, PG 0908+171, SDSS J091123.98+165411.6, Gaia DR3 607984785759304192, TIC 321317286, SDSS J091123.97+165411.6, 2MASS J09112400+1654118, SDSS J091123.99+165411.6, GALEX J091123.9+165411
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Gianninas et al. 2011 | Koester et al. 2009 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 11 23.96 (0.04) | 09 11 24.00 | 09 11 24.00 | 09 11 23.97 (0.06) | 09 11 23.96 | 09 11 24.01 (0.04) | 09 11 23.54 | |||||||||
| Declination | 16 54 11.59 (0.03) | 16 54 11.68 | 16 54 11.68 | 16 54 11.60 (0.05) | 16 54 11.59 | 16 54 11.74 (0.03) | 16 54 11.16 | |||||||||
| Spectral type | DA | DA | DA | DA | DA2.8 | DA4 | DA | |||||||||
| Effective temperature | [K] | 17217.0 | 18316.0 (34) | 17980.0 (290) | 17640.0 (33) | 17340.0 (277) | 17628.0 (219) | |||||||||
| log(g) | [cgs] | 7.94 | 8.07 (0.01) | 8.03 (0.05) | 7.83 (0.007) | 7.92 (0.05) | 7.98 (0.01) | |||||||||
| Mass | [M☉] | 0.584 | 0.6559999999999999 (0.005) | 0.64 (0.03) | 0.57 (0.03) | 0.608 (0.009) | ||||||||||
| log(Luminosity) | [L☉] | -1.81 | ||||||||||||||
| Cooling age | [Gyr] | 0.1110 | 0.1288 | |||||||||||||
| 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] | 9.69 (0.05) | 9.60 (0.07) | 9.69 | 9.69 (0.05) | |||||||||||
| Distance | [pc] | 103.24 (0.5) | 104.22 (0.8) | 105.00 | 112.00 | 103.24 | 103.24 (0.5) | |||||||||
| Composition | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -43.68334192 (0.06) | -43.86028788 (0.1) | -43.683 (0.06) | ||||||||||||
| Proper motion (declination) | [mas/yr] | -9.055470823 (0.04) | -9.040526407 (0.08) | -9.055 (0.04) | ||||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 16.00 | |||||||||||||||
| V magnitude | 16.06 | 16.11 | ||||||||||||||
| R magnitude | 16.10 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.40 (0.01) | |||||||||||||||
| H magnitude | 16.46 (0.02) | |||||||||||||||
| K magnitude | 16.57 (0.06) | |||||||||||||||
| u magnitude | 16.02 (0.005) | 16.02 (0.005) | 16.04 (0.02) | 16.02 (0.005) | ||||||||||||
| g magnitude | 15.86 (0.004) | 15.86 (0.004) | 15.89 (0.02) | 15.86 (0.004) | ||||||||||||
| r magnitude | 16.22 (0.004) | 16.22 (0.004) | 16.23 (0.01) | 16.23 (0.004) | ||||||||||||
| i magnitude | 16.50 (0.005) | 16.50 (0.005) | 16.51 (0.01) | 16.50 (0.005) | ||||||||||||
| z magnitude | 16.79 (0.009) | 16.79 (0.009) | 16.79 (0.02) | 16.79 (0.009) | ||||||||||||
| G magnitude | 16.06 (0.002) | 16.09 | 16.06 | 16.06 (0.003) | ||||||||||||
| BP magnitude | 16.01 (0.002) | 15.98 | ||||||||||||||
| RP magnitude | 16.21 (0.003) | 16.21 | ||||||||||||||
| Pan g magnitude | 15.91 (0.009) | |||||||||||||||
| Pan r magnitude | 16.24 (0.002) | |||||||||||||||
| Pan i magnitude | 16.51 (0.002) | |||||||||||||||
| Pan z magnitude | 16.79 (0.006) | |||||||||||||||
| Pan y magnitude | 16.94 (0.02) | |||||||||||||||
| E(B-V) | 0.005 | |||||||||||||||
* Constant surface field
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