WD 1209+049
All names: SDSS J121207.01+044012.0, SDSS J121207.00+044012.0, WD 1209+049, Gaia DR2 3894294439815819904, WDJ121207.04+044012.10, J1212+0440, Gaia EDR3 3894294435521417344, Gaia DR3 3894294435521417344
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 12 06.74 (0.2) | 12 12 06.75 (0.3) | 12 12 06.74 | 12 12 07.04 (0.2) | 12 12 06.75 | 12 12 06.48 | ||||||
| Declination | 04 40 11.23 (0.2) | 04 40 11.26 (0.2) | 04 40 11.23 | 04 40 12.09 (0.2) | 04 40 11.26 | 04 40 06.96 | ||||||
| Spectral type | DC | DC | DC | DA: | DC | DC11.3 | ||||||
| Effective temperature | [K] | 4487.0 (54) | 4550.0 | 4242.0 | 4811.0 (135) | |||||||
| log(g) | [cgs] | 7.93 (0.04) | 7.96 | 7.71 | 8.11 (0.07) | |||||||
| Mass | [M☉] | 0.534 (0.03) | 0.552 | 0.408 | 0.65 (0.06) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 7.2300 | 7.0030 | 4.9640 | ||||||||
| 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] | 16.62 (0.3) | 16.82 (0.4) | 16.82 (0.4) | 16.62 | 16.62 (0.3) | 16.82 (0.4) | |||||
| Distance | [pc] | 60.15 (1) | 59.45 (1) | 59.46 (1) | 60.15 | 60.15 (1) | 59.46 (1) | |||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -281.1376032 (0.3) | -281.7677504 (0.8) | -281.138 (0.3) | -281.7677504 | |||||||
| Proper motion (declination) | [mas/yr] | -53.87733742 (0.2) | -54.46233939 (0.4) | -53.877 (0.2) | -54.46233939 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.67 (0.04) | 17.67 (0.04) | ||||||||||
| H magnitude | 17.50 (0.04) | 17.50 (0.04) | ||||||||||
| K magnitude | 17.50 (0.05) | 17.50 (0.05) | ||||||||||
| u magnitude | 22.13 (0.2) | 22.12 (0.2) | 22.12 (0.2) | 22.07 | ||||||||
| g magnitude | 20.05 (0.02) | 20.05 (0.02) | 20.04 | |||||||||
| r magnitude | 19.10 (0.01) | 19.10 (0.01) | 19.09 | |||||||||
| i magnitude | 18.77 (0.01) | 18.77 (0.01) | 18.79 | |||||||||
| z magnitude | 18.64 (0.04) | 18.64 (0.04) | 18.66 | |||||||||
| G magnitude | 19.12 (0.05) | 19.17 | 19.12 | 19.12 (0.004) | 19.17 | |||||||
| BP magnitude | 19.73 (0.05) | 19.72 | 19.72 | |||||||||
| RP magnitude | 18.45 (0.02) | 18.42 | 18.42 | |||||||||
| Pan g magnitude | 19.87 (0.03) | 19.87 (0.02) | ||||||||||
| Pan r magnitude | 19.08 (0.01) | 19.08 (0.01) | ||||||||||
| Pan i magnitude | 18.77 (0.006) | 18.77 (0.006) | ||||||||||
| Pan z magnitude | 18.64 (0.01) | 18.64 (0.02) | ||||||||||
| Pan y magnitude | 18.56 (0.03) | 18.56 (0.03) | ||||||||||
| E(B-V) | 0.002 | |||||||||||
* Constant surface field
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