All names: WDJ171450.80+391837.43, LSPM J1714+3918, PM J17148+3918, J1714+3918, Gaia EDR3 1341543072245722752, USNO-B1.0 1293-00276844, LP 226-48, TIC 85585141, Gaia DR3 1341543072245722752, GALEX J171450.8+391839, 17148+3918, 2MASS J17145080+3918370, NLTT 44447, PSO J258.7115+39.3112, WD 1713+393, Gaia DR2 1341543072245722752
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Hardy et al. 2023a | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Limoges et al. 2015 | Kawka et Vennes 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 14 50.78 (0.03) | 17 14 50.78 (0.04) | 17 14 50.78 (0.04) | 17 14 50.78 | 17 14 50.80 (0.03) | 17 14 50.78 | 17 14 50.14 | |||||||||||
| Declination | 39 18 40.63 (0.03) | 39 18 40.53 (0.04) | 39 18 40.53 (0.04) | 39 18 40.63 | 39 18 37.43 (0.03) | 39 18 40.53 | 39 18 22.32 | |||||||||||
| Spectral type | DAH | DAH | DAH | DAH | DAP | DA | DA | DAP | DAP | DA | DAP | DAP8.1 | ||||||
| Effective temperature | [K] | 6694.0 (53) | 6577.0 (26) | 6743.0 (16) | 6615.6 (33) | 6710.0 (50) | 6743.0 | 7000.0 (1000) | 7010.0 (123) | 7000.0 (1000) | 6659.0 (29) | |||||||
| log(g) | [cgs] | 7.78 (0.02) | 7.77 (0.04) | 7.81 (0.005) | 7.77 (0.01) | 7.80 (0.02) | 7.81 | 8.00 (0) | 7.77 (0.009) | |||||||||
| Mass | [M☉] | 0.467 (0.007) | 0.460744726389191 (0.04) | 0.485 (0.004) | 0.48 (0.01) | 0.483 | 0.59 | 0.59 (0.1) | 0.59 | 0.464 (0.006) | ||||||||
| log(Luminosity) | [L☉] | -3.45 | ||||||||||||||||
| Cooling age | [Gyr] | 1.3300 | 1.2880 (0.04) | 1.2800 | ||||||||||||||
| 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] | 25.26 (0.03) | 25.26 (0.03) | 25.26 (0.04) | 25.26 (0.04) | 25.26 (0.04) | 25.26 (0.04) | 25.26 | 25.26 (0.03) | 25.26 (0.04) | ||||||||
| Distance | [pc] | 39.58 (0.05) | 39.59 (0.05) | 39.59 (0.06) | 39.60 (0.07) | 39.59 (0.07) | 39.60 (0.07) | 38.20 (6) | 32.00 | 39.58 | 39.58 (0.05) | 39.60 (0.07) | ||||||
| Composition | H | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.21216485 (0.04) | -13.19767125 (0.08) | -13.212 (0.04) | -13.19767125 | |||||||||||||
| Proper motion (declination) | [mas/yr] | 200.1863625 (0.04) | 200.1314165 (0.08) | 200.186 (0.04) | 200.1314165 | |||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | yes | yes | yes | |||||||||||||||
| Bd | [MG] | 2.3955708526817148 | 1.3 | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 17.10 | |||||||||||||||||
| V magnitude | ||||||||||||||||||
| R magnitude | 16.50 | |||||||||||||||||
| I magnitude | ||||||||||||||||||
| J magnitude | 15.57 (0.009) | 15.63 (0.06) | 15.63 (0.06) | |||||||||||||||
| H magnitude | 15.38 (0.09) | 15.38 (0.09) | 15.38 (0.09) | |||||||||||||||
| K magnitude | 15.41 (0.2) | 15.41 (0.2) | 15.41 (0.2) | |||||||||||||||
| u magnitude | 17.15 (0.008) | 17.17 (0.008) | ||||||||||||||||
| g magnitude | 16.52 (0.002) | 16.55 (0.004) | ||||||||||||||||
| r magnitude | 16.31 (0.004) | 16.31 (0.004) | ||||||||||||||||
| i magnitude | 16.26 (0.002) | 16.25 (0.004) | ||||||||||||||||
| z magnitude | 16.29 (0.004) | 16.27 (0.007) | ||||||||||||||||
| G magnitude | 16.29 (0.003) | 16.31 | 16.31 | 16.29 | 16.29 (0.003) | 16.31 | ||||||||||||
| BP magnitude | 16.51 (0.003) | 16.52 | 16.52 | |||||||||||||||
| RP magnitude | 15.92 (0.003) | 15.93 | 15.93 | |||||||||||||||
| Pan g magnitude | 16.52 (0.002) | 16.52 (0.002) | 16.52 (0.002) | |||||||||||||||
| Pan r magnitude | 16.31 (0.004) | 16.31 (0.004) | 16.31 (0.004) | |||||||||||||||
| Pan i magnitude | 16.26 (0.002) | 16.26 (0.002) | 16.26 (0.002) | |||||||||||||||
| Pan z magnitude | 16.29 (0.004) | 16.29 (0.004) | 16.30 (0.004) | |||||||||||||||
| Pan y magnitude | 16.34 (0.008) | 16.34 (0.007) | 16.34 (0.007) | |||||||||||||||
| E(B-V) | 0.005 | |||||||||||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.