GD 85
All names: Gaia DR3 948246835277407744, GCRV 21692, WD 0716+40, GEN# +6.10060085, FBS B 44, Gaia DR2 948246835277407744, 2MASS J07195938+4021222, GALEX J071959.4+402121, Gaia EDR3 948246835277407744, LAMOST J071959.37+402120.1, LSPM J0719+4021, LAMOST J071959.53+402121.0, EGGR 216, WDJ071959.42+402122.13, GD 85, USNO-B1.0 1303-00178031, WD 0716+404, FBS 0716+404, TIC 17857475, SDSS J071959.46+402121.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD HE | Gaia DR2 | Stilism | Bergeron et al. 2011 | Wegner et al. 1987 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 19 59.61 (0.03) | 07 19 59.60 (0.04) | 07 19 59.61 | 07 19 59.42 (0.03) | 07 19 59.60 | 07 19 59.33 | |||||||
| Declination | 40 21 20.48 (0.03) | 40 21 20.53 (0.04) | 40 21 20.48 | 40 21 22.13 (0.03) | 40 21 20.53 | 40 21 30.24 | |||||||
| Spectral type | DB | DB | DB | DB | DB3 | DB3 | |||||||
| Effective temperature | [K] | 16624.0 (198) | 16237.0 | 17150.0 (429) | 14500.0 | 17191.0 (327) | |||||||
| log(g) | [cgs] | 7.97 (0.01) | 7.94 | 8.08 (0.07) | 8.02 (0.02) | ||||||||
| Mass | [M☉] | 0.576 (0.01) | 0.557 | 0.64 (0.04) | 0.604 (0.02) | ||||||||
| log(Luminosity) | [L☉] | -1.94 | |||||||||||
| Cooling age | [Gyr] | 0.1376 | 0.1549 | ||||||||||
| log(H/He) | -6.0 | <-6.07 (1) | <-5.0 | ||||||||||
| 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] | 16.65 (0.04) | 16.68 (0.05) | 16.65 | 16.65 (0.04) | 16.68 (0.05) | |||||||
| Distance | [pc] | 60.05 (0.1) | 59.93 (0.2) | 59.00 | 60.05 | 60.05 (0.1) | 59.93 (0.2) | ||||||
| Composition | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 138.5969075 (0.03) | 138.5105682 (0.07) | 138.597 (0.03) | 138.5105682 | ||||||||
| Proper motion (declination) | [mas/yr] | -102.9314236 (0.03) | -102.9249552 (0.08) | -102.931 (0.03) | -102.9249552 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 14.83 | ||||||||||||
| V magnitude | 14.94 | ||||||||||||
| R magnitude | 15.20 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.31 (0.06) | ||||||||||||
| H magnitude | 15.37 (0.1) | ||||||||||||
| K magnitude | 15.25 (0.2) | ||||||||||||
| u magnitude | 14.60 (0.004) | 14.60 (0.004) | |||||||||||
| g magnitude | 14.70 (0.004) | 14.70 (0.004) | |||||||||||
| r magnitude | 15.03 (0.004) | 15.04 (0.004) | |||||||||||
| i magnitude | 15.29 (0.004) | 15.30 (0.005) | |||||||||||
| z magnitude | 15.56 (0.006) | 15.55 (0.006) | |||||||||||
| G magnitude | 14.86 (0.002) | 14.89 | 14.86 | 14.86 (0.003) | 14.89 | ||||||||
| BP magnitude | 14.79 (0.002) | 14.75 | 14.75 | ||||||||||
| RP magnitude | 14.99 (0.003) | 14.98 | 14.98 | ||||||||||
| Pan g magnitude | 14.76 (0.003) | ||||||||||||
| Pan r magnitude | 15.05 (0.003) | ||||||||||||
| Pan i magnitude | 15.33 (0.001) | ||||||||||||
| Pan z magnitude | 15.56 (0.004) | ||||||||||||
| Pan y magnitude | 15.71 (0.004) | ||||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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