All names: EGGR 547, 2MASS J17355324+8021206, Gaia EDR3 1706800182157806336, TIC 288344719, LB 1048, GALEX J173552.9+802120, Gaia DR2 1706800182157806336, UCAC4 852-012165, Gaia DR3 1706800182157806336, GD 526, WD 1739+804
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 35 53.67 (0.03) | 17 35 53.65 (0.04) | 17 35 53.67 | 17 35 53.16 (0.03) | 17 35 51.24 | |||
| Declination | 80 21 22.11 (0.03) | 80 21 22.08 (0.06) | 80 21 22.11 | 80 21 20.92 (0.03) | 80 22 23.52 | |||
| Spectral type | DA | DA | DA1.9 | DA3 | ||||
| Effective temperature | [K] | 26490.0 (484) | 23379.0 (350) | |||||
| log(g) | [cgs] | 7.75 (0.06) | 7.59 (0.01) | |||||
| Mass | [M☉] | 0.51 (0.03) | 0.44 (0.008) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| 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] | 7.21 (0.03) | 7.11 (0.04) | 7.21 | 7.21 (0.03) | |||
| Distance | [pc] | 138.76 (0.6) | 140.69 (0.9) | 139.00 | 138.76 | 138.76 (0.6) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | 80.11837964 (0.04) | 80.15249394 (0.08) | 80.118 (0.04) | ||||
| Proper motion (declination) | [mas/yr] | 74.3339723 (0.05) | 74.09514201 (0.1) | 74.334 (0.05) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.48 (0.09) | |||||||
| V magnitude | 15.66 (0.1) | |||||||
| R magnitude | 16.04 (0.2) | |||||||
| I magnitude | ||||||||
| J magnitude | 16.04 (0.09) | |||||||
| H magnitude | 16.12 (0.2) | |||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.61 (0.002) | 15.63 | 15.61 | 15.61 (0.003) | ||||
| BP magnitude | 15.52 (0.002) | 15.48 | ||||||
| RP magnitude | 15.81 (0.004) | 15.81 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.009 | |||||||
* 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.