WD 1137+636
All names: Gaia DR2 863377212060582656, Gaia DR3 863377212060582656, USNO-A2.0 1500-05458304, SDSS J114004.22+632452.6, SDSS J114004.21+632452.6, Gaia EDR3 863377212060582656, GALEX J114004.2+632452, WD 1137+636
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 40 04.18 (0.1) | 11 40 04.22 | 11 40 04.18 (0.2) | 11 40 04.18 | 11 40 04.23 (0.1) | 11 40 04.22 | 11 40 04.22 | 11 40 04.22 | 11 40 04.22 | ||||||
| Declination | 63 24 52.49 (0.1) | 63 24 52.60 | 63 24 52.50 (0.1) | 63 24 52.49 | 63 24 52.64 (0.1) | 63 24 52.63 | 63 24 46.44 | 63 24 52.63 | 63 24 52.63 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA4.5 | DA | DA | |||||||
| Effective temperature | [K] | 10864.0 | 11520.0 (250) | 11199.0 (409) | 11106.0 (125) | 11217.0 (150) | 11109.0 (127) | ||||||||
| log(g) | [cgs] | 8.00 | 8.24 (0.1) | 8.09 (0.06) | 8.34 (0.08) | 8.32 (0.09) | 8.38 (0.08) | ||||||||
| Mass | [M☉] | 0.601 | 0.75 (0.07) | 0.655 (0.05) | 0.793 (0.06) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.4834 | 0.6310 | ||||||||||||
| 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] | 4.39 (0.2) | 4.24 (0.2) | 4.39 | 4.39 (0.2) | ||||||||||
| Distance | [pc] | 227.95 (9) | 235.92 (12) | 227.95 | 227.95 (9) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -20.34703085 (0.2) | -20.66476593 (0.4) | -20.347 (0.2) | -23.5 | -25.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -9.605054559 (0.2) | -9.549550699 (0.3) | -9.605 (0.2) | -11.7 | -11.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 18.20 (0.3) | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 19.00 (0.3) | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 19.15 (0.02) | 19.15 (0.02) | 19.14 (0.02) | 19.17 | 19.15 (0.02) | 19.17 (0.03) | |||||||||
| g magnitude | 18.76 (0.008) | 18.76 (0.008) | 18.76 (0.02) | 18.80 | 18.76 (0.02) | 18.80 (0.03) | |||||||||
| r magnitude | 18.88 (0.01) | 18.88 (0.01) | 18.88 (0.01) | 18.88 | 18.87 (0.01) | 18.88 (0.02) | |||||||||
| i magnitude | 19.02 (0.01) | 19.02 (0.01) | 19.03 (0.02) | 19.03 | 19.02 (0.02) | 19.03 (0.02) | |||||||||
| z magnitude | 19.26 (0.06) | 19.26 (0.06) | 19.25 (0.08) | 19.26 | 19.25 (0.08) | 19.26 (0.07) | |||||||||
| G magnitude | 18.79 (0.02) | 18.82 | 18.79 | 18.79 (0.003) | |||||||||||
| BP magnitude | 18.80 (0.02) | 18.81 | |||||||||||||
| RP magnitude | 18.78 (0.03) | 18.76 | |||||||||||||
| Pan g magnitude | 18.74 (0.007) | ||||||||||||||
| Pan r magnitude | 18.88 (0.01) | ||||||||||||||
| Pan i magnitude | 19.06 (0.01) | ||||||||||||||
| Pan z magnitude | 19.25 (0.01) | ||||||||||||||
| Pan y magnitude | 19.37 (0.03) | ||||||||||||||
| E(B-V) | 0.017 | ||||||||||||||
* Constant surface field
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