WD 1603+492
All names: SDSS J160437.36+490809.1, Gaia EDR3 1400157173832960384, SDSS J160437.35+490809.2, Gaia DR3 1400157173832960384, GALEX J160437.4+490809, SDSS J160437.36+490809.2, WDJ160437.35+490809.13, WD 1603+492, SDSS J160437.35+490809.1, Gaia DR2 1400157173832960384, J1604+4908
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Hardy et al. 2023a | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Kulebi et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 04 37.34 (0.07) | 16 04 37.35 | 16 04 37.34 (0.09) | 16 04 37.36 | 16 04 37.34 | 16 04 37.35 (0.07) | 16 04 37.34 | 16 04 37.36 | 16 04 37.10 | 16 04 37.36 | ||||||||||
| Declination | 49 08 09.45 (0.07) | 49 08 09.21 | 49 08 09.44 (0.09) | 49 08 09.20 | 49 08 09.45 | 49 08 09.14 (0.07) | 49 08 09.44 | 49 08 09.15 | 49 08 06.00 | 49 08 09.18 | ||||||||||
| Spectral type | DAH | DAH | DAH | DAH | DA | DA | DAH | DQ | DAH | MWD | DAH | DAH | DAH | hotDQ | ||||||
| Effective temperature | [K] | 9215.0 (79) | 10717.3 (478) | 9146.0 (71) | 9217.0 (78) | 9008.0 | 9000.0 | 7992.0 (115) | 10082.0 (10) | 10084.0 (12) | ||||||||||
| log(g) | [cgs] | 8.47 (0.01) | 8.67 (0.2) | 8.45 (0.01) | 8.46 (0.01) | 8.43 | 8.00 (0) | 8.12 (0.03) | 8.56 (0.3) | 9.25 (0.6) | ||||||||||
| Mass | [M☉] | 0.902 (0.01) | 1.0226362466805792 (0.2) | 0.882 (0.01) | 0.892 (0.01) | 0.869 | 0.651 (0.02) | |||||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||||||
| Cooling age | [Gyr] | 1.7300 | 1.6830 | |||||||||||||||||
| 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] | 11.78 (0.08) | 11.65 (0.1) | 11.65 (0.1) | 11.78 | 11.78 (0.08) | 11.65 (0.1) | |||||||||||||
| Distance | [pc] | 84.89 (0.6) | 85.84 (0.7) | 85.86 (0.7) | 84.89 | 84.89 (0.6) | 85.86 (0.7) | |||||||||||||
| Composition | H | H | H | H | ||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -5.718475168 (0.1) | -5.778698513 (0.2) | -5.718 (0.1) | -5.779 | -6.0 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | 19.70597063 (0.1) | 20.09655156 (0.2) | 19.706 (0.1) | 20.097 | 18.8 | ||||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | yes | yes | yes | yes | yes | |||||||||||||||
| Bd | [MG] | 67.10143296402201 | 59.51 (5) | 59.51 (5) | ||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | ||||||||||||||||||||
| V magnitude | ||||||||||||||||||||
| R magnitude | ||||||||||||||||||||
| I magnitude | ||||||||||||||||||||
| J magnitude | 17.59 (0.03) | |||||||||||||||||||
| H magnitude | ||||||||||||||||||||
| K magnitude | ||||||||||||||||||||
| u magnitude | 18.22 (0.01) | 18.21 (0.01) | 18.22 (0.01) | 18.22 (0.01) | 18.24 (0.02) | 18.22 | 18.21 (0.02) | |||||||||||||
| g magnitude | 17.89 (0.006) | 17.89 (0.006) | 17.89 (0.006) | 17.90 (0.01) | 17.90 | 17.90 (0.01) | ||||||||||||||
| r magnitude | 17.91 (0.006) | 17.91 (0.006) | 17.91 (0.006) | 17.91 (0.01) | 17.91 | 17.90 (0.01) | ||||||||||||||
| i magnitude | 18.01 (0.007) | 18.01 (0.007) | 18.01 (0.007) | 18.00 (0.02) | 18.00 | 18.00 (0.02) | ||||||||||||||
| z magnitude | 18.16 (0.02) | 18.16 (0.02) | 18.16 (0.02) | 18.15 (0.03) | 18.15 | 18.15 (0.03) | ||||||||||||||
| G magnitude | 17.86 (0.01) | 17.88 | 17.86 | 17.86 (0.003) | 17.88 | |||||||||||||||
| BP magnitude | 17.95 (0.01) | 17.93 | 17.93 | |||||||||||||||||
| RP magnitude | 17.71 (0.01) | 17.69 | 17.69 | |||||||||||||||||
| Pan g magnitude | 17.91 (0.01) | 17.91 (0.008) | ||||||||||||||||||
| Pan r magnitude | 17.93 (0.008) | 17.93 (0.007) | ||||||||||||||||||
| Pan i magnitude | 18.01 (0.006) | 18.01 (0.006) | ||||||||||||||||||
| Pan z magnitude | 18.13 (0.003) | 18.13 (0.003) | ||||||||||||||||||
| Pan y magnitude | 18.24 (0.02) | 18.24 (0.01) | ||||||||||||||||||
| E(B-V) | 0.011 | |||||||||||||||||||
* Constant surface field
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