All names: SDSS J173404.59+584954.9, SDSS J173404.59+584954.8, Gaia DR2 1434535878776098944, GALEX J173404.5+584954, Gaia DR3 1434535878776098944, Gaia EDR3 1434535878776098944, WD 1733+588, SDSS J173404.60+584955.0
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 34 04.53 (0.4) | 17 34 04.60 | 17 34 04.53 (0.5) | 17 34 04.59 (0.4) | 17 34 04.60 | 17 34 03.98 | 17 34 04.60 | ||||
| Declination | 58 49 54.91 (0.4) | 58 49 54.99 | 58 49 54.92 (0.6) | 58 49 54.97 (0.4) | 58 49 54.89 | 58 49 53.40 | 58 49 54.97 | ||||
| Spectral type | DA | DA | DA: | DA: | DA | DA | |||||
| Effective temperature | [K] | 33292.0 (1950) | 37168.0 (1864) | 35593.0 (1810) | |||||||
| log(g) | [cgs] | 7.56 (0.4) | 7.42 (0.3) | 7.54 (0.3) | |||||||
| Mass | [M☉] | 0.46 (0.1) | 0.488 (0.1) | ||||||||
| log(Luminosity) | [L☉] | -0.41 (0.3) | |||||||||
| Cooling age | [Gyr] | 0.0045 (0.003) | |||||||||
| 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] | 0.68 (0.5) | 0.50 (0.6) | 0.68 (0.5) | |||||||
| Distance | [pc] | 1476.88 (1003) | 2003.29 (2389) | 1476.89 (1003) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -30.19582971 (0.6) | -30.91506576 (1) | -30.196 (0.6) | |||||||
| Proper motion (declination) | [mas/yr] | -3.547730244 (0.6) | -4.530813809 (1) | -3.548 (0.6) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.79 (0.04) | 19.76 (0.04) | 19.78 (0.04) | 19.78 | 19.77 (0.04) | ||||||
| g magnitude | 20.10 (0.02) | 20.11 (0.02) | 20.12 (0.02) | 20.12 | 20.12 (0.02) | ||||||
| r magnitude | 20.51 (0.04) | 20.54 (0.04) | 20.56 (0.04) | 20.56 | 20.55 (0.04) | ||||||
| i magnitude | 20.93 (0.08) | 20.87 (0.07) | 20.89 (0.07) | 20.88 | 20.88 (0.07) | ||||||
| z magnitude | 21.68 (0.5) | 21.21 (0.3) | 21.24 (0.3) | 21.24 | 21.22 (0.3) | ||||||
| G magnitude | 20.32 (0.08) | 20.39 | 20.32 (0.007) | ||||||||
| BP magnitude | 20.17 (0.08) | 20.39 | |||||||||
| RP magnitude | 20.25 (0.09) | 20.30 | |||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.025 | ||||||||||
* 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.