MGC 29250
All names: Gaia DR2 3698750381329917952, SDSS J120827.22-001019.6, 2QZ J120827.3-001019, Gaia DR3 3698750381329917952, GALEX J120827.1-001020, SDSS J120827.22-001019.7, MGC 29250, WD 1205+001, Gaia EDR3 3698750381329917952
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 08 27.08 (0.4) | 12 08 27.22 | 12 08 27.09 (0.5) | 12 08 27.08 | 12 08 27.21 (0.4) | 12 08 27.22 | 12 08 26.76 | 12 08 27.22 | ||||||
| Declination | -00 10 19.81 (0.3) | -00 10 19.67 | -00 10 19.80 (0.4) | -00 10 19.81 | -00 10 19.66 (0.3) | -00 10 19.69 | -00 10 23.88 | -00 10 19.69 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 8759.0 | 8563.0 | 8847.0 (489) | 10088.0 (20) | 10092.0 (24) | ||||||||
| log(g) | [cgs] | 8.10 | 8.02 | 8.07 (0.1) | 8.42 (0.4) | 9.43 (0.5) | ||||||||
| Mass | [M☉] | 0.656 | 0.588 | 0.623 (0.1) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.9841 | 0.9573 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 6.02 (0.4) | 5.91 (0.6) | 6.02 | 6.02 (0.4) | |||||||||
| Distance | [pc] | 166.09 (11) | 169.24 (17) | 166.09 | 166.09 (11) | |||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -122.7689897 (0.4) | -123.084908 (0.8) | -122.769 (0.4) | -117.6 | |||||||||
| Proper motion (declination) | [mas/yr] | -9.223719786 (0.3) | -8.47686313 (0.6) | -9.224 (0.3) | -14.1 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 19.06 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.21 (0.02) | 19.21 (0.02) | 19.17 (0.02) | 19.16 | 19.17 (0.02) | |||||||||
| g magnitude | 18.97 (0.009) | 18.97 (0.009) | 19.00 (0.02) | 19.00 | 18.99 (0.02) | |||||||||
| r magnitude | 18.97 (0.01) | 18.97 (0.01) | 18.98 (0.01) | 18.98 | 18.98 (0.02) | |||||||||
| i magnitude | 19.05 (0.01) | 19.05 (0.01) | 19.04 (0.02) | 19.05 | 19.05 (0.02) | |||||||||
| z magnitude | 19.19 (0.05) | 19.19 (0.05) | 19.15 (0.05) | 19.14 | 19.16 (0.05) | |||||||||
| G magnitude | 18.91 (0.03) | 18.96 | 18.91 | 18.91 (0.004) | ||||||||||
| BP magnitude | 19.03 (0.03) | 18.96 | ||||||||||||
| RP magnitude | 18.82 (0.04) | 18.76 | ||||||||||||
| Pan g magnitude | 18.97 (0.008) | |||||||||||||
| Pan r magnitude | 18.97 (0.007) | |||||||||||||
| Pan i magnitude | 19.07 (0.01) | |||||||||||||
| Pan z magnitude | 19.18 (0.01) | |||||||||||||
| Pan y magnitude | 19.22 (0.03) | |||||||||||||
| E(B-V) | 0.014 | |||||||||||||
* Constant surface field
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