WD 1308+316
All names: WD 1308+316, OMHR J131109.04+312254.6, Gaia DR3 1466118804824748160, US 388, GALEX J131108.9+312253, PB 3374, Gaia DR2 1466118804824748160, CBS 343, KUV 494-17, [BCF91] 836, Ton 1562, Gaia EDR3 1466118804824748160, KUV 13088+3139, SDSS J131108.95+312252.7, OMHR 61959, [S78c] SA 57 28
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 11 08.94 (0.05) | 13 11 08.94 (0.06) | 13 11 08.94 | 13 11 08.97 (0.05) | 13 11 08.45 | |||||
| Declination | 31 22 52.19 (0.03) | 31 22 52.22 (0.05) | 31 22 52.19 | 31 22 52.94 (0.03) | 31 22 52.32 | |||||
| Spectral type | DA | DA | DA | DA3.6 | DA | |||||
| Effective temperature | [K] | 12990.0 | 13830.0 (421) | 13251.0 (176) | ||||||
| log(g) | [cgs] | 8.01 | 8.04 (0.06) | 8.04 (0.01) | ||||||
| Mass | [M☉] | 0.614 | 0.63 (0.03) | 0.634 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.3053 | ||||||||
| 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] | 8.98 (0.07) | 8.85 (0.09) | 8.98 | 8.98 (0.07) | |||||
| Distance | [pc] | 111.38 (0.8) | 113.02 (1) | 97.00 | 111.38 | 111.38 (0.8) | ||||
| Composition | H | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -24.33193011 (0.06) | -24.58356541 (0.1) | -24.332 (0.06) | ||||||
| Proper motion (declination) | [mas/yr] | -47.0772557 (0.04) | -46.97499238 (0.1) | -47.077 (0.04) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 17.00 | |||||||||
| V magnitude | 16.79 | |||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 17.08 (0.02) | |||||||||
| g magnitude | 16.71 (0.02) | |||||||||
| r magnitude | 16.95 (0.02) | |||||||||
| i magnitude | 17.19 (0.02) | |||||||||
| z magnitude | 17.42 (0.02) | |||||||||
| G magnitude | 16.84 (0.004) | 16.86 | 16.84 | 16.84 (0.003) | ||||||
| BP magnitude | 16.83 (0.004) | 16.83 | ||||||||
| RP magnitude | 16.91 (0.006) | 16.91 | ||||||||
| Pan g magnitude | 16.75 (0.002) | |||||||||
| Pan r magnitude | 16.98 (0.006) | |||||||||
| Pan i magnitude | 17.21 (0.004) | |||||||||
| Pan z magnitude | 17.44 (0.004) | |||||||||
| Pan y magnitude | 17.58 (0.01) | |||||||||
| E(B-V) | 0.005 | |||||||||
* Constant surface field
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