WD 1402+506
All names: Gaia DR2 1511457265578685440, LSPM J1404+5020E, WD 1402+506, ** LDS 1405B, NLTT 36191, Gaia EDR3 1511457265578685440, WDJ140409.32+502035.80, SDSS J140409.27+502036.2, WDS J14043+5022B, Gaia DR3 1511457265578685440, LP 133-374, J1404+5020
| 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 | 14 04 09.09 (0.09) | 14 04 09.10 (0.1) | 14 04 09.09 | 14 04 09.32 (0.09) | 14 04 09.10 | 14 04 16.25 | |||||||
| Declination | 50 20 37.25 (0.09) | 50 20 37.21 (0.1) | 50 20 37.25 | 50 20 35.80 (0.09) | 50 20 37.21 | 50 21 39.60 | |||||||
| Spectral type | DC | DC | DC | DC | DA | DC | DC | ||||||
| Effective temperature | [K] | 4987.0 (42) | 4919.0 (41) | 5270.0 | 4970.0 | 5286.0 (57) | |||||||
| log(g) | [cgs] | 7.64 (0.03) | 7.56 (0.03) | 7.81 | 7.59 | 7.82 (0.03) | |||||||
| Mass | [M☉] | 0.376 (0.02) | 0.341 (0.02) | 0.475 | 0.355 | 0.48 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.8100 | 2.5780 | 2.6210 | |||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(N/He) | |||||||||||||
| log(O/He) | |||||||||||||
| log(Na/He) | |||||||||||||
| log(Mg/He) | |||||||||||||
| log(Al/He) | |||||||||||||
| log(Si/He) | |||||||||||||
| log(P/He) | |||||||||||||
| log(S/He) | |||||||||||||
| log(Cl/He) | |||||||||||||
| log(Sc/He) | |||||||||||||
| log(Ti/He) | |||||||||||||
| log(V/He) | |||||||||||||
| log(Cr/He) | |||||||||||||
| log(Mn/He) | |||||||||||||
| log(Fe/He) | |||||||||||||
| log(Co/He) | |||||||||||||
| log(Ni/He) | |||||||||||||
| log(Cu/He) | |||||||||||||
| log(Zn/He) | |||||||||||||
| log(Ga/He) | |||||||||||||
| log(Ge/He) | |||||||||||||
| log(Sr/He) | |||||||||||||
| Parallax | [mas] | 16.54 (0.1) | 16.40 (0.1) | 16.40 (0.1) | 16.54 | 16.54 (0.1) | 16.40 (0.1) | ||||||
| Distance | [pc] | 60.46 (0.4) | 60.98 (0.6) | 60.99 (0.6) | 60.46 | 60.46 (0.4) | 60.99 (0.6) | ||||||
| Composition | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -136.6277504 (0.1) | -136.4974339 (0.2) | -136.628 (0.1) | -136.4974339 | ||||||||
| Proper motion (declination) | [mas/yr] | 90.65764776 (0.1) | 90.78004355 (0.2) | 90.658 (0.1) | 90.78004355 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | yes | ||||||||||||
| B magnitude | |||||||||||||
| V magnitude | 18.42 | ||||||||||||
| R magnitude | 17.70 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.06 (0.04) | 20.02 (0.04) | 20.05 (0.05) | ||||||||||
| g magnitude | 18.80 (0.008) | 18.81 (0.01) | |||||||||||
| r magnitude | 18.26 (0.007) | 18.31 (0.009) | |||||||||||
| i magnitude | 18.00 (0.009) | 18.40 (0.01) | |||||||||||
| z magnitude | 18.08 (0.02) | 17.86 (0.03) | |||||||||||
| G magnitude | 18.35 (0.01) | 18.36 | 18.35 | 18.35 (0.003) | 18.36 | ||||||||
| BP magnitude | 18.70 (0.01) | 18.68 | 18.68 | ||||||||||
| RP magnitude | 17.59 (0.02) | 17.58 | 17.58 | ||||||||||
| Pan g magnitude | 18.75 (0.007) | 18.75 (0.007) | |||||||||||
| Pan r magnitude | 18.31 (0.005) | 18.31 (0.005) | |||||||||||
| Pan i magnitude | 18.01 (0.01) | 18.01 (0.01) | |||||||||||
| Pan z magnitude | 18.05 (0.03) | 18.05 (0.03) | |||||||||||
| Pan y magnitude | 17.78 (0.05) | 17.78 (0.05) | |||||||||||
| E(B-V) | 0.006 | ||||||||||||
* Constant surface field
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