WD 1712+215
All names: WD 1712+21, USNO-B1.0 1114-00270549, GEN# +9.80170027, Gaia DR3 4567158653660872064, SDSS J171430.48+212709.7, G 170-27, GALEX J171430.4+212708, 2MASS J17143049+2127113, Gaia DR2 4567158653660872064, NLTT 44418, SDSS J171430.47+212709.4, WDJ171430.49+212710.45, WD 1712+215, J1714+2127, TIC 345813041, Gaia EDR3 4567158653660872064, LSPM J1714+2127, SDSS J171430.48+212709.5
| 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 | 17 14 30.42 (0.03) | 17 14 30.42 (0.03) | 17 14 30.42 | 17 14 30.49 (0.03) | 17 14 30.42 | 17 14 31.03 | |||||||
| Declination | 21 27 05.58 (0.03) | 21 27 05.73 (0.04) | 21 27 05.58 | 21 27 10.45 (0.03) | 21 27 05.73 | 21 27 19.80 | |||||||
| Spectral type | DC | DC | DC7 | DC7 | DC | DC7 | DC5 | ||||||
| Effective temperature | [K] | 7015.0 (22) | 7044.0 (20) | 7514.0 | 7232.0 | 6806.0 (46) | |||||||
| log(g) | [cgs] | 8.03 (0.006) | 8.04 (0.005) | 8.27 | 8.17 | 8.00 (0.01) | |||||||
| Mass | [M☉] | 0.594 (0.005) | 0.601 (0.005) | 0.765 | 0.682 | 0.576 (0.009) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.7000 | 2.0960 | 1.9290 | |||||||||
| log(H/He) | -3.4 | -3.4 | |||||||||||
| 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] | 24.93 (0.05) | 24.96 (0.06) | 24.96 (0.06) | 24.93 | 24.93 (0.05) | 24.96 (0.06) | ||||||
| Distance | [pc] | 40.11 (0.08) | 40.06 (0.1) | 40.06 (0.1) | 40.11 | 40.11 (0.08) | 40.06 (0.1) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -62.41422183 (0.03) | -62.39548032 (0.07) | -62.414 (0.04) | -62.39548032 | ||||||||
| Proper motion (declination) | [mas/yr] | -304.2949058 (0.04) | -304.2032668 (0.08) | -304.295 (0.04) | -304.2032668 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 16.83 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 16.50 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.11 (0.01) | 15.89 (0.07) | |||||||||||
| H magnitude | 16.04 (0.1) | 16.04 (0.1) | |||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.18 (0.009) | 17.18 (0.008) | 17.18 (0.009) | ||||||||||
| g magnitude | 16.74 (0.004) | 16.72 (0.004) | |||||||||||
| r magnitude | 16.60 (0.005) | 16.58 (0.004) | |||||||||||
| i magnitude | 16.61 (0.005) | 16.60 (0.005) | |||||||||||
| z magnitude | 16.68 (0.009) | 16.70 (0.01) | |||||||||||
| G magnitude | 16.57 (0.003) | 16.59 | 16.57 | 16.57 (0.003) | 16.59 | ||||||||
| BP magnitude | 16.73 (0.003) | 16.73 | 16.73 | ||||||||||
| RP magnitude | 16.29 (0.003) | 16.29 | 16.29 | ||||||||||
| Pan g magnitude | 16.73 (0.002) | 16.73 (0.002) | |||||||||||
| Pan r magnitude | 16.61 (0.003) | 16.61 (0.002) | |||||||||||
| Pan i magnitude | 16.63 (0.004) | 16.63 (0.003) | |||||||||||
| Pan z magnitude | 16.70 (0.005) | 16.70 (0.005) | |||||||||||
| Pan y magnitude | 16.74 (0.004) | 16.74 (0.004) | |||||||||||
| E(B-V) | 0.002 | ||||||||||||
* Constant surface field
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