All names: LAMOST J141542.98+225647.3, GEN# +9.80166014, EGGR 326, GALEX J141543.0+225644, SDSS J141543.03+225645.0, NLTT 36762, LP 381-28, Gaia EDR3 1253805652121019264, L 1340-24, G 166-14, SDSS J141542.89+225644.9, LP 81-28, Ton 193, USNO-B1.0 1129-00259893, Gaia DR2 1253805652121019264, WD 1413+231, KUV 14134+2311, LSPM J1415+2256, Gaia DR3 1253805652121019264, LTT 14182, WD 1413+23, SDSS J141542.89+225644.95, PG 1413+232
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 15 42.82 (0.04) | 14 15 43.03 | 14 15 43.03 | 14 15 42.83 (0.06) | 14 15 42.82 | 14 15 43.11 (0.04) | 14 15 44.02 | ||||||||
| Declination | 22 56 44.90 (0.04) | 22 56 45.01 | 22 56 45.01 | 22 56 44.91 (0.06) | 22 56 44.90 | 22 56 45.04 (0.04) | 22 56 41.64 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA2.1 | DA3 | DA | |||||||
| Effective temperature | [K] | 20790.0 | 25803.0 (488) | 24258.0 (100) | 24200.0 (431) | 22829.0 (443) | |||||||||
| log(g) | [cgs] | 7.66 | 7.81 (0.07) | 7.88 (0.01) | 7.75 (0.06) | 7.76 (0.02) | |||||||||
| Mass | [M☉] | 0.456 | 0.54 (0.03) | 0.574 (0.004) | 0.51 (0.03) | 0.51 (0.01) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.0346 | |||||||||||||
| 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] | 5.61 (0.06) | 5.61 (0.08) | 5.61 | 5.61 (0.06) | ||||||||||
| Distance | [pc] | 178.21 (2) | 178.13 (3) | 224.00 | 178.21 | 178.21 (2) | |||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -248.4690903 (0.05) | -248.7798763 (0.1) | -248.469 (0.05) | |||||||||||
| Proper motion (declination) | [mas/yr] | -8.372740767 (0.05) | -8.442522137 (0.1) | -8.373 (0.05) | |||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 16.31 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 16.20 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 16.11 (0.006) | 16.11 (0.006) | 16.13 (0.02) | 16.11 (0.006) | |||||||||||
| g magnitude | 16.25 (0.004) | 16.25 (0.004) | 16.26 (0.02) | 16.25 (0.004) | |||||||||||
| r magnitude | 16.66 (0.004) | 16.66 (0.004) | 16.67 (0.01) | 16.66 (0.004) | |||||||||||
| i magnitude | 16.96 (0.005) | 16.96 (0.005) | 16.96 (0.02) | 16.96 (0.005) | |||||||||||
| z magnitude | 17.26 (0.01) | 17.26 (0.01) | 17.26 (0.02) | 17.26 (0.01) | |||||||||||
| G magnitude | 16.45 (0.003) | 16.48 | 16.45 | 16.45 (0.003) | |||||||||||
| BP magnitude | 16.36 (0.003) | 16.32 | |||||||||||||
| RP magnitude | 16.69 (0.007) | 16.66 | |||||||||||||
| Pan g magnitude | 16.29 (0.003) | ||||||||||||||
| Pan r magnitude | 16.65 (0.003) | ||||||||||||||
| Pan i magnitude | 16.98 (0.003) | ||||||||||||||
| Pan z magnitude | 17.24 (0.006) | ||||||||||||||
| Pan y magnitude | 17.42 (0.009) | ||||||||||||||
| E(B-V) | 0.017 | ||||||||||||||
* 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.