PG 0308+188
All names: Gaia DR3 59077760488621184, WD 0308+188, TIC 113812185, 2MASS J03114921+1900558, SDSS J031149.22+190055.1, J0311+1900, GALEX J031149.1+190055, Gaia EDR3 59077760488621184, [TFW97] J031149.17+190057.60, GALEX J031149.3+190056, Gaia DR2 59077760488621184, 1SWASP J031149.19+190055.7, USNO-B1.0 1090-00035182, PG 0308+188, WDJ031149.21+190055.62
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2014 | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 11 49.25 (0.03) | 03 11 49.25 (0.05) | 03 11 49.25 | 03 11 49.21 (0.03) | 03 11 49.25 | 03 11 48.67 | |||||||||
| Declination | 19 00 53.87 (0.03) | 19 00 53.93 (0.04) | 19 00 53.87 | 19 00 55.62 (0.03) | 19 00 53.93 | 19 01 03.72 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA2.7 | DA | ||||||||
| Effective temperature | [K] | 18228.0 (158) | 18229.0 (156) | 17237.0 | 17865.0 (242) | 18730.0 (278) | 18450.0 (21) | 17522.0 (189) | |||||||
| log(g) | [cgs] | 7.89 (0.006) | 7.89 (0.007) | 7.82 | 7.89 (0.09) | 7.92 (0.04) | 7.72 (0.004) | 7.84 (0.009) | |||||||
| Mass | [M☉] | 0.56 (0.005) | 0.558 (0.005) | 0.523 | 0.559 (0.05) | 0.58 (0.02) | 0.532 (0.007) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.0885 | |||||||||||||
| 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) | <-8.20 | ||||||||||||||
| 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] | 20.78 (0.03) | 20.74 (0.06) | 20.78 | 20.78 (0.03) | 20.74 (0.06) | |||||||||
| Distance | [pc] | 48.11 (0.07) | 48.21 (0.1) | 42.00 | 48.11 | 48.11 (0.07) | 48.21 (0.1) | ||||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 32.46318507 (0.03) | 32.44158636 (0.1) | 32.463 (0.04) | 32.44158636 | ||||||||||
| Proper motion (declination) | [mas/yr] | -109.4842975 (0.03) | -109.2867054 (0.09) | -109.484 (0.03) | -109.2867054 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 13.86 | 13.86 | |||||||||||||
| V magnitude | 14.19 (0.04) | 14.46 | |||||||||||||
| R magnitude | 14.20 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 14.61 (0.03) | ||||||||||||||
| H magnitude | 14.72 (0.06) | ||||||||||||||
| K magnitude | 14.72 (0.09) | ||||||||||||||
| u magnitude | 14.17 (0.004) | 14.17 (0.004) | |||||||||||||
| g magnitude | 14.02 (0.003) | 14.02 (0.003) | |||||||||||||
| r magnitude | 14.38 (0.003) | 14.38 (0.003) | |||||||||||||
| i magnitude | 15.39 (0.01) | 15.39 (0.01) | |||||||||||||
| z magnitude | 14.95 (0.005) | 14.95 (0.005) | |||||||||||||
| G magnitude | 14.21 (0.001) | 14.22 | 14.21 | 14.21 (0.003) | 14.22 | ||||||||||
| BP magnitude | 14.13 (0.001) | 14.12 | 14.12 | ||||||||||||
| RP magnitude | 14.36 (0.001) | 14.37 | 14.37 | ||||||||||||
| Pan g magnitude | 14.07 (0.003) | ||||||||||||||
| Pan r magnitude | 14.38 (0.001) | ||||||||||||||
| Pan i magnitude | 14.69 (0.004) | ||||||||||||||
| Pan z magnitude | 14.94 (0.002) | ||||||||||||||
| Pan y magnitude | 15.10 (0.002) | ||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||
* Constant surface field
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