PHL 999
All names: LSPM J0108+1515, LP 466-257, PHL 999, NLTT 3803, Gaia DR3 2783291334982223872, USNO-B1.0 1052-00011938, LHS 1200, SDSS J010848.27+151518.0, Gaia EDR3 2783291334982223872, G 34-5, WD 0106+149, G 33-41, Gaia DR2 2783291334982223872, SDSS J010848.26+151517.8, SDSS J010848.15+151520.0, LP 467-5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 08 48.51 (0.06) | 01 08 48.26 | 01 08 48.50 (0.1) | 01 08 48.51 | 01 08 48.16 (0.06) | 01 08 48.00 | 01 08 48.27 | |||||
| Declination | 15 15 12.89 (0.05) | 15 15 17.86 | 15 15 13.11 (0.07) | 15 15 12.89 | 15 15 19.93 (0.05) | 15 15 16.92 | 15 15 17.95 | |||||
| Spectral type | DA | DA | DA | DA3.5 | DA | DA | ||||||
| Effective temperature | [K] | 15947.0 | 16671.0 (356) | 17476.0 (170) | ||||||||
| log(g) | [cgs] | 7.80 | 7.85 (0.02) | 7.77 (0.03) | ||||||||
| Mass | [M☉] | 0.506 | 0.534 (0.02) | 0.508 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1143 | ||||||||||
| 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] | 6.86 (0.07) | 6.87 (0.1) | 6.86 | 6.86 (0.07) | |||||||
| Distance | [pc] | 145.81 (1) | 145.63 (2) | 145.81 | 145.81 (1) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 316.1959768 (0.1) | 316.3501757 (0.2) | 316.196 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -439.4426354 (0.06) | -439.3303512 (0.1) | -439.443 (0.06) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.90 | |||||||||||
| V magnitude | 16.90 | |||||||||||
| R magnitude | 16.80 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.73 (0.007) | 16.73 (0.007) | 16.72 | 16.77 (0.01) | ||||||||
| g magnitude | 16.55 (0.004) | 16.55 (0.004) | 16.54 | 16.59 (0.02) | ||||||||
| r magnitude | 16.86 (0.004) | 16.86 (0.004) | 16.87 | 16.86 (0.01) | ||||||||
| i magnitude | 17.14 (0.006) | 17.14 (0.006) | 17.12 | 17.14 (0.01) | ||||||||
| z magnitude | 17.42 (0.01) | 17.42 (0.01) | 17.38 | 17.44 (0.02) | ||||||||
| G magnitude | 16.72 (0.006) | 16.75 | 16.72 | 16.72 (0.003) | ||||||||
| BP magnitude | 16.68 (0.006) | 16.65 | ||||||||||
| RP magnitude | 16.89 (0.01) | 16.86 | ||||||||||
| Pan g magnitude | 16.57 (0.005) | |||||||||||
| Pan r magnitude | 16.89 (0.001) | |||||||||||
| Pan i magnitude | 17.18 (0.009) | |||||||||||
| Pan z magnitude | 17.44 (0.006) | |||||||||||
| Pan y magnitude | 17.54 (0.01) | |||||||||||
| E(B-V) | 0.012 | |||||||||||
* Constant surface field
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