PHL 1225
All names: SDSS J015413.90-091316.3, PHL 1225, Gaia DR2 2465756706207578624, SDSS J015413.91-091316.3, WD 0151-094, Gaia EDR3 2465756706207578624, KUV 01518-0928, GALEX J015413.8-091315, SDSS J015413.89-091316.4, SDSS J015413.88-091316.4, Gaia DR3 2465756706207578624
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 54 13.91 (0.07) | 01 54 13.90 | 01 54 13.91 (0.1) | 01 54 13.91 | 01 54 13.89 (0.07) | 01 54 13.56 | ||||||
| Declination | -09 13 16.37 (0.06) | -09 13 16.42 | -09 13 16.37 (0.08) | -09 13 16.37 | -09 13 16.40 (0.06) | -09 13 10.92 | ||||||
| Spectral type | DA | DA | DA | DA1.9 | DA | DA | ||||||
| Effective temperature | [K] | 23633.0 | 27110.0 (480) | 25239.0 (594) | ||||||||
| log(g) | [cgs] | 7.91 | 7.71 (0.06) | 7.97 (0.03) | ||||||||
| Mass | [M☉] | 0.581 | 0.5 (0.03) | 0.617 (0.02) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0241 | ||||||||||
| 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] | 4.14 (0.09) | 4.16 (0.1) | 4.14 | 4.14 (0.09) | |||||||
| Distance | [pc] | 241.70 (5) | 240.11 (7) | 389.00 | 241.70 | 241.70 (5) | ||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 22.45719163 (0.1) | 22.68099873 (0.2) | 22.457 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | 2.034276435 (0.07) | 1.722431737 (0.2) | 2.034 (0.07) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 17.50 | |||||||||||
| V magnitude | 17.70 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.93 (0.008) | 16.93 (0.008) | ||||||||||
| g magnitude | 17.01 (0.004) | 17.01 (0.004) | ||||||||||
| r magnitude | 17.42 (0.006) | 17.42 (0.006) | ||||||||||
| i magnitude | 17.77 (0.007) | 17.77 (0.007) | ||||||||||
| z magnitude | 18.06 (0.02) | 18.06 (0.02) | ||||||||||
| G magnitude | 17.23 (0.005) | 17.27 | 17.23 | 17.23 (0.003) | ||||||||
| BP magnitude | 17.12 (0.005) | 17.08 | ||||||||||
| RP magnitude | 17.45 (0.01) | 17.45 | ||||||||||
| Pan g magnitude | 17.06 (0.004) | |||||||||||
| Pan r magnitude | 17.44 (0.003) | |||||||||||
| Pan i magnitude | 17.79 (0.003) | |||||||||||
| Pan z magnitude | 18.05 (0.006) | |||||||||||
| Pan y magnitude | 18.24 (0.008) | |||||||||||
| E(B-V) | 0.029 | |||||||||||
* Constant surface field
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