All names: Gaia DR2 3312002496315376640, USNO-B1.0 1054-00050572, WDJ042148.89+152914.98, Gaia DR3 3312002496315376640, UBV 4209, WISEA J042148.90+152915.1, WD 0418+153, WISE J042148.93+152915.8, EGGR 35, KUV 04190+1522, LB 212, GEN# +6.00000212, CSI+15-04189, Gaia EDR3 3312002496315376640, WD 0418+15
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 21 48.86 (0.07) | 04 21 48.86 (0.1) | 04 21 48.86 | 04 21 48.89 (0.07) | 04 21 48.86 | 04 21 44.47 | ||||||
| Declination | 15 29 14.82 (0.05) | 15 29 14.83 (0.07) | 15 29 14.82 | 15 29 14.98 (0.05) | 15 29 14.83 | 15 29 02.40 | ||||||
| Spectral type | DA | DA | DA3.6 | DA4 | ||||||||
| Effective temperature | [K] | 12842.0 | 13487.0 | 14060.0 (366) | 13706.0 (272) | |||||||
| log(g) | [cgs] | 8.15 | 8.18 | 8.10 (0.05) | 8.18 (0.02) | |||||||
| Mass | [M☉] | 0.7 | 0.7 | 0.67 (0.03) | 0.718 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3874 | 0.3721 | |||||||||
| 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] | 9.85 (0.08) | 10.01 (0.1) | 9.85 | 9.85 (0.08) | 10.01 (0.1) | ||||||
| Distance | [pc] | 101.54 (0.8) | 99.85 (1) | 104.00 | 101.54 | 101.54 (0.8) | 99.85 (1) | |||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -23.98097311 (0.09) | -24.36693309 (0.2) | -23.981 (0.09) | -24.36693309 | |||||||
| Proper motion (declination) | [mas/yr] | -9.749393212 (0.07) | -9.809599572 (0.2) | -9.749 (0.07) | -9.809599572 | |||||||
| Variability | NOV | |||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.80 | |||||||||||
| V magnitude | 16.62 | |||||||||||
| R magnitude | 16.90 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 16.79 (0.006) | 16.81 | 16.79 | 16.79 (0.003) | 16.81 | |||||||
| BP magnitude | 16.79 (0.006) | 16.77 | 16.77 | |||||||||
| RP magnitude | 16.84 (0.009) | 16.85 | 16.85 | |||||||||
| Pan g magnitude | 16.71 (0.005) | |||||||||||
| Pan r magnitude | 16.91 (0.003) | |||||||||||
| Pan i magnitude | 17.15 (0.004) | |||||||||||
| Pan z magnitude | 17.39 (0.006) | |||||||||||
| Pan y magnitude | 17.52 (0.01) | |||||||||||
| 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.