GD 295
All names: WD 0810+234, SDSS J081342.22+232024.0, LAMOST J081342.25+232023.3, GD 295, EGGR 347, LAMOST J081342.13+232023.9, Gaia DR2 677560232299128192, SDSS J081342.22+232023.9, Gaia EDR3 677560232299128192, TIC 82289574, GALEX J081342.2+232024, [BGK2006] J081342.22+232024.0, WDJ081342.20+232024.24, J0813+2320, WD 0810+23, 2MASS J08134220+2320242, Gaia DR3 677560232299128192, SDSS J081342.26+232023.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 13 42.30 (0.04) | 08 13 42.22 | 08 13 42.30 (0.07) | 08 13 42.30 | 08 13 42.20 (0.04) | 08 13 42.30 | 08 13 42.00 | |||||||||
| Declination | 23 20 23.02 (0.03) | 23 20 23.95 | 23 20 23.05 (0.05) | 23 20 23.02 | 23 20 24.24 (0.03) | 23 20 23.05 | 23 20 35.52 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA3.1 | DA3 | DA | |||||||
| Effective temperature | [K] | 15904.0 (174) | 15904.0 (174) | 15132.0 | 16360.0 (264) | 15828.0 (254) | ||||||||||
| log(g) | [cgs] | 8.01 (0.01) | 8.01 (0.01) | 7.95 | 8.03 (0.05) | 8.00 (0.01) | ||||||||||
| Mass | [M☉] | 0.618 (0.008) | 0.618 (0.01) | 0.586 | 0.63 (0.03) | 0.616 (0.01) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 0.1777 | ||||||||||||||
| 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] | 10.57 (0.05) | 10.57 (0.09) | 10.57 | 10.57 (0.05) | 10.57 (0.09) | ||||||||||
| Distance | [pc] | 94.59 (0.5) | 94.58 (0.8) | 94.00 | 94.59 | 94.59 (0.5) | 94.58 (0.8) | |||||||||
| Composition | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 82.43846846 (0.05) | 82.45391613 (0.1) | 82.438 (0.05) | 82.45391613 | |||||||||||
| Proper motion (declination) | [mas/yr] | -76.25121679 (0.04) | -76.24198149 (0.09) | -76.251 (0.04) | -76.24198149 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 15.00 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | ||||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.46 (0.007) | |||||||||||||||
| H magnitude | 16.48 (0.02) | |||||||||||||||
| K magnitude | 16.46 (0.03) | |||||||||||||||
| u magnitude | 16.17 (0.005) | 16.17 (0.005) | 16.17 (0.005) | |||||||||||||
| g magnitude | 15.92 (0.003) | 15.92 (0.003) | 15.92 (0.003) | |||||||||||||
| r magnitude | 16.24 (0.004) | 16.24 (0.004) | 16.24 (0.004) | |||||||||||||
| i magnitude | 16.50 (0.004) | 16.50 (0.004) | 16.50 (0.004) | |||||||||||||
| z magnitude | 16.81 (0.01) | 16.81 (0.01) | 16.81 (0.01) | |||||||||||||
| G magnitude | 16.09 (0.004) | 16.11 | 16.09 | 16.09 (0.003) | 16.11 | |||||||||||
| BP magnitude | 16.05 (0.004) | 16.02 | 16.02 | |||||||||||||
| RP magnitude | 16.22 (0.005) | 16.22 | 16.22 | |||||||||||||
| Pan g magnitude | 15.97 (0.004) | |||||||||||||||
| Pan r magnitude | 16.26 (0.002) | |||||||||||||||
| Pan i magnitude | 16.53 (0.004) | |||||||||||||||
| Pan z magnitude | 16.77 (0.004) | |||||||||||||||
| Pan y magnitude | 16.93 (0.01) | |||||||||||||||
| E(B-V) | 0.003 | |||||||||||||||
* Constant surface field
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