WD 1509+021
All names: GALEX J151136.7+015519, USNO-B1.0 0919-00291255, Gaia DR2 4420250495592852864, Gaia DR3 4420250495592852864, WD 1509+021, Gaia EDR3 4420250495592852864, SDSS J151136.74+015518.1, SDSS J151136.74+015518.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 11 36.73 (0.6) | 15 11 36.75 | 15 11 36.73 (0.8) | 15 11 36.75 (0.6) | 15 11 36.05 | ||||||
| Declination | 01 55 18.59 (0.4) | 01 55 18.57 | 01 55 18.59 (0.5) | 01 55 18.53 (0.4) | 01 55 14.16 | ||||||
| Spectral type | DC | DC | DC | DC | DA: | ||||||
| Effective temperature | [K] | 13153.0 | 13011.0 | ||||||||
| log(g) | [cgs] | 8.72 | 8.66 | ||||||||
| Mass | [M☉] | 1.056 | 1.009 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.0110 | 0.9242 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 3.56 (0.5) | 3.45 (0.7) | 3.56 (0.5) | |||||||
| Distance | [pc] | 281.29 (41) | 290.07 (60) | 281.29 (41) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -18.97962252 (0.8) | -16.50533141 (2) | -18.98 (0.8) | |||||||
| Proper motion (declination) | [mas/yr] | 3.437839248 (0.5) | 2.816153364 (1) | 3.438 (0.5) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 20.10 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 19.90 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.89 (0.04) | 19.90 (0.05) | 19.93 | ||||||||
| g magnitude | 19.88 (0.02) | 19.92 (0.02) | 19.95 | ||||||||
| r magnitude | 20.10 (0.02) | 20.10 (0.03) | 20.13 | ||||||||
| i magnitude | 20.25 (0.03) | 20.39 (0.05) | 20.40 | ||||||||
| z magnitude | 20.58 (0.2) | 20.53 (0.3) | 20.51 | ||||||||
| G magnitude | 20.00 (0.07) | 20.05 | 20.00 (0.008) | ||||||||
| BP magnitude | 19.93 (0.07) | 19.98 | |||||||||
| RP magnitude | 20.14 (0.1) | 20.02 | |||||||||
| Pan g magnitude | 19.88 (0.02) | ||||||||||
| Pan r magnitude | 20.14 (0.03) | ||||||||||
| Pan i magnitude | 20.36 (0.03) | ||||||||||
| Pan z magnitude | 20.50 (0.05) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.036 | ||||||||||
* Constant surface field
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