Ton 494
All names: SDSS J101616.92+252456.7, GALEX J101616.9+252457, PG 1013+257, SDSS J101616.93+252456.7, Gaia DR2 727052480479252736, WD 1013+256, Ton 494, Gaia DR3 727052480479252736, Gaia EDR3 727052480479252736, TIC 1043354, 2MASS J10161694+2524567
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2014 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 16 16.91 (0.05) | 10 16 16.94 | 10 16 16.92 (0.07) | 10 16 16.91 | 10 16 16.95 (0.05) | 10 16 16.87 | |||||||
| Declination | 25 24 56.59 (0.05) | 25 24 56.76 | 25 24 56.59 (0.09) | 25 24 56.59 | 25 24 56.75 (0.05) | 25 24 55.44 | |||||||
| Spectral type | DA | DA | DA | DA2.2 | DA2 | DA | |||||||
| Effective temperature | [K] | 19753.0 | 22133.0 (301) | 22840.0 (354) | 21598.0 (464) | ||||||||
| log(g) | [cgs] | 7.83 | 8.02 (0.09) | 8.05 (0.05) | 7.93 (0.02) | ||||||||
| Mass | [M☉] | 0.532 | 0.64 (0.05) | 0.66 (0.03) | 0.591 (0.02) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0476 | |||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(C/H) | -6.4 (0.2) | ||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | -6.9 (0.1) | ||||||||||||
| 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] | 6.81 (0.06) | 6.75 (0.08) | 6.81 | 6.81 (0.06) | ||||||||
| Distance | [pc] | 146.85 (1) | 148.12 (2) | 118.00 | 146.85 | 146.85 (1) | |||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -26.98265916 (0.06) | -26.99660465 (0.1) | -26.983 (0.06) | |||||||||
| Proper motion (declination) | [mas/yr] | -10.19243872 (0.06) | -10.2322001 (0.1) | -10.192 (0.06) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 15.40 | ||||||||||||
| V magnitude | 16.32 (0.1) | ||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.77 (0.2) | ||||||||||||
| H magnitude | 17.03 | ||||||||||||
| K magnitude | 17.15 | ||||||||||||
| u magnitude | 16.18 (0.005) | 16.18 (0.005) | |||||||||||
| g magnitude | 16.21 (0.004) | 16.21 (0.004) | |||||||||||
| r magnitude | 16.60 (0.005) | 16.60 (0.005) | |||||||||||
| i magnitude | 16.89 (0.006) | 16.89 (0.006) | |||||||||||
| z magnitude | 17.18 (0.01) | 17.18 (0.01) | |||||||||||
| G magnitude | 16.40 (0.003) | 16.43 | 16.40 | 16.40 (0.003) | |||||||||
| BP magnitude | 16.31 (0.003) | 16.28 | |||||||||||
| RP magnitude | 16.59 (0.007) | 16.58 | |||||||||||
| Pan g magnitude | 16.25 (0.005) | ||||||||||||
| Pan r magnitude | 16.59 (0.004) | ||||||||||||
| Pan i magnitude | 16.91 (0.003) | ||||||||||||
| Pan z magnitude | 17.18 (0.008) | ||||||||||||
| Pan y magnitude | 17.35 (0.01) | ||||||||||||
| E(B-V) | 0.009 | ||||||||||||
* Constant surface field
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