PHL 990
All names: TIC 365003622, Gaia EDR3 2538286403050847232, Gaia DR2 2538286403050847232, J0106+0148, PB 6260, NLTT 3685, LP 586-65, WDJ010648.78+014845.39, WD 0104+015, SDSS J010648.92+014845.2, GALEX J010648.8+014845, 2MASS J01064879+0148452, USNO-B1.0 0918-00011928, Gaia DR3 2538286403050847232, PHL 990, LSPM J0106+0148
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 06 49.04 (0.07) | 01 06 49.03 (0.09) | 01 06 49.04 | 01 06 48.78 (0.07) | 01 06 49.03 | 01 06 48.31 | ||||||||
| Declination | 01 48 45.22 (0.05) | 01 48 45.23 (0.06) | 01 48 45.22 | 01 48 45.39 (0.05) | 01 48 45.23 | 01 48 25.56 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA5.4 | DA | ||||||
| Effective temperature | [K] | 8314.0 (42) | 8329.0 (39) | 8315.0 (42) | 8173.0 | 9320.0 (146) | 8041.0 (86) | |||||||
| log(g) | [cgs] | 7.56 (0.01) | 7.57 (0.01) | 7.56 (0.01) | 7.52 | 8.33 (0.09) | 7.50 (0.02) | |||||||
| Mass | [M☉] | 0.374 (0.008) | 0.376 (0.009) | 0.371 (0.009) | 0.355 | 0.81 (0.06) | 0.346 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.6100 | 0.6047 | |||||||||||
| 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] | 10.22 (0.08) | 10.17 (0.1) | 10.17 (0.1) | 10.22 | 10.22 (0.08) | 10.17 (0.1) | |||||||
| Distance | [pc] | 97.86 (0.8) | 98.33 (1) | 98.32 (1) | 73.00 | 97.86 | 97.86 (0.8) | 98.32 (1) | ||||||
| Composition | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 247.7340837 (0.09) | 248.032616 (0.2) | 247.734 (0.1) | 248.032616 | |||||||||
| Proper motion (declination) | [mas/yr] | -10.63237057 (0.08) | -10.38304726 (0.1) | -10.632 (0.08) | -10.38304726 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | yes | |||||||||||||
| B magnitude | 17.20 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 17.40 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.82 (0.02) | 16.70 (0.1) | ||||||||||||
| H magnitude | 16.69 (0.03) | |||||||||||||
| K magnitude | 16.70 (0.05) | |||||||||||||
| u magnitude | 17.73 (0.01) | 17.75 (0.01) | 17.75 (0.01) | |||||||||||
| g magnitude | 17.27 (0.005) | 17.27 (0.005) | ||||||||||||
| r magnitude | 17.25 (0.006) | 17.25 (0.006) | ||||||||||||
| i magnitude | 17.28 (0.007) | 17.28 (0.007) | ||||||||||||
| z magnitude | 17.38 (0.01) | 17.38 (0.01) | ||||||||||||
| G magnitude | 17.19 (0.005) | 17.21 | 17.19 | 17.19 (0.003) | 17.21 | |||||||||
| BP magnitude | 17.32 (0.005) | 17.30 | 17.30 | |||||||||||
| RP magnitude | 16.97 (0.008) | 16.97 | 16.97 | |||||||||||
| Pan g magnitude | 17.28 (0.006) | 17.28 (0.006) | ||||||||||||
| Pan r magnitude | 17.24 (0.004) | 17.24 (0.004) | ||||||||||||
| Pan i magnitude | 17.29 (0.002) | 17.29 (0.002) | ||||||||||||
| Pan z magnitude | 17.39 (0.004) | 17.39 (0.004) | ||||||||||||
| Pan y magnitude | 17.45 (0.003) | 17.45 (0.003) | ||||||||||||
| E(B-V) | 0.005 | |||||||||||||
* Constant surface field
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