WD 0814+285
All names: Gaia DR2 684152216824047104, WD 0814+285, LSPM J0817+2822, J0817+2822, USNO-B1.0 1183-00176078, Gaia DR3 684152216824047104, Gaia EDR3 684152216824047104, SDSS J081751.52+282203.1, WDJ081751.51+282203.71
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | 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 | 08 17 51.59 (0.2) | 08 17 51.59 (0.2) | 08 17 51.59 | 08 17 51.51 (0.2) | 08 17 51.59 | 08 17 51.72 | |||||||
| Declination | 28 22 00.46 (0.1) | 28 22 00.56 (0.1) | 28 22 00.46 | 28 22 03.71 (0.1) | 28 22 00.56 | 28 21 56.52 | |||||||
| Spectral type | DC | DC | DC | DC | DA | DC | DC11.1 | ||||||
| Effective temperature | [K] | 4540.0 (32) | 4612.0 (33) | 4580.0 | 4260.0 | 4761.0 (86) | |||||||
| log(g) | [cgs] | 7.75 (0.02) | 7.84 (0.03) | 7.78 | 7.53 | 7.94 (0.05) | |||||||
| Mass | [M☉] | 0.436 (0.02) | 0.483 (0.02) | 0.453 | 0.324 | 0.54 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 5.8800 | 4.8850 | 3.5530 | |||||||||
| 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] | 18.80 (0.2) | 18.83 (0.2) | 18.83 (0.3) | 18.80 | 18.80 (0.2) | 18.83 (0.3) | ||||||
| Distance | [pc] | 53.19 (0.5) | 53.11 (0.7) | 53.10 (0.7) | 53.19 | 53.19 (0.5) | 53.10 (0.7) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 67.06822025 (0.2) | 66.97601369 (0.4) | 67.068 (0.2) | 66.97601369 | ||||||||
| Proper motion (declination) | [mas/yr] | -203.5377184 (0.2) | -203.5994798 (0.3) | -203.538 (0.2) | -203.5994798 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 20.20 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.30 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.33 (0.04) | 17.33 (0.04) | |||||||||||
| H magnitude | 17.01 (0.04) | 17.01 (0.04) | |||||||||||
| K magnitude | 16.91 (0.09) | 16.91 (0.09) | |||||||||||
| u magnitude | 21.71 (0.2) | 21.70 (0.2) | 21.70 (0.2) | 21.59 | |||||||||
| g magnitude | 19.48 (0.01) | 19.48 (0.01) | 19.49 | ||||||||||
| r magnitude | 18.62 (0.009) | 18.62 (0.009) | 18.61 | ||||||||||
| i magnitude | 18.28 (0.01) | 18.28 (0.01) | 18.30 | ||||||||||
| z magnitude | 18.20 (0.03) | 18.20 (0.03) | 18.24 | ||||||||||
| G magnitude | 18.65 (0.03) | 18.68 | 18.65 | 18.65 (0.003) | 18.68 | ||||||||
| BP magnitude | 19.20 (0.03) | 19.25 | 19.25 | ||||||||||
| RP magnitude | 17.99 (0.02) | 17.94 | 17.94 | ||||||||||
| Pan g magnitude | 19.36 (0.01) | 19.36 (0.01) | |||||||||||
| Pan r magnitude | 18.62 (0.004) | 18.62 (0.005) | |||||||||||
| Pan i magnitude | 18.30 (0.007) | 18.30 (0.007) | |||||||||||
| Pan z magnitude | 18.14 (0.01) | 18.14 (0.009) | |||||||||||
| Pan y magnitude | 18.08 (0.03) | 18.08 (0.03) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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