2QZ J142101.4-021221
All names: GALEX J142101.5-021220, SDSS J142101.47-021220.9, 2QZ J142101.4-021221, SDSS J142101.49-021221.1, Gaia DR2 3646653115224642432, Gaia EDR3 3646653115224642432, WD 1418-019, SDSS J142101.47-021221.0, Gaia DR3 3646653115224642432
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 21 01.50 (0.3) | 14 21 01.47 | 14 21 01.49 (0.3) | 14 21 01.47 (0.3) | 14 21 01.47 | 14 21 01.18 | 14 21 01.47 | ||||||
| Declination | -02 12 21.17 (0.2) | -02 12 20.99 | -02 12 21.16 (0.2) | -02 12 20.98 (0.2) | -02 12 21.02 | -02 12 17.64 | -02 12 20.92 | ||||||
| Spectral type | DC: | DC: | DC | DC: | DC: | DC | DB | ||||||
| Effective temperature | [K] | 10440.0 | 10584.0 | 12326.0 (359) | 11382.0 (375) | ||||||||
| log(g) | [cgs] | 8.11 | 8.05 | 8.66 (0.3) | 8.13 (0.3) | ||||||||
| Mass | [M☉] | 0.665 | 0.612 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.6248 | 0.5778 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 4.41 (0.3) | 4.50 (0.4) | 4.41 (0.3) | |||||||||
| Distance | [pc] | 226.96 (16) | 221.98 (19) | 226.96 (16) | |||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 23.73257545 (0.4) | 23.34878766 (0.5) | 23.733 (0.4) | 37.5 | ||||||||
| Proper motion (declination) | [mas/yr] | -11.48844633 (0.3) | -11.2111913 (0.5) | -11.488 (0.3) | -14.7 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.69 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.92 (0.02) | 18.93 (0.02) | 18.92 (0.03) | 18.92 | 18.92 (0.03) | ||||||||
| g magnitude | 18.88 (0.009) | 18.88 (0.009) | 18.90 (0.03) | 18.89 | 18.89 (0.03) | ||||||||
| r magnitude | 19.01 (0.01) | 19.01 (0.01) | 19.01 (0.02) | 19.01 (0.02) | |||||||||
| i magnitude | 19.16 (0.02) | 19.16 (0.02) | 19.15 (0.03) | 19.15 (0.03) | |||||||||
| z magnitude | 19.32 (0.07) | 19.32 (0.07) | 19.30 (0.06) | 19.30 (0.06) | |||||||||
| G magnitude | 18.90 (0.03) | 18.95 | 18.90 (0.004) | ||||||||||
| BP magnitude | 18.97 (0.03) | 18.99 | |||||||||||
| RP magnitude | 18.92 (0.05) | 18.92 | |||||||||||
| Pan g magnitude | 18.90 (0.01) | ||||||||||||
| Pan r magnitude | 19.01 (0.005) | ||||||||||||
| Pan i magnitude | 19.19 (0.007) | ||||||||||||
| Pan z magnitude | 19.33 (0.03) | ||||||||||||
| Pan y magnitude | 19.48 (0.06) | ||||||||||||
| E(B-V) | 0.032 | ||||||||||||
* Constant surface field
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