All names: GALEX J170144.6+624305, Gaia EDR3 1631147528694305920, TIC 459977771, USNO-B1.0 1527-00292601, WD 1701+627, 2MASS J17014477+6243043, WISE J170144.71+624304.5, SDSS J170144.73+624304.4, WISEA J170144.73+624304.4, Gaia DR2 1631147528693005056, WIRED J170144.73+624304.4, Gaia DR3 1631147528694305920, SDSS J170144.70+624304.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 01 44.64 (0.7) | 17 01 44.71 | 17 01 44.64 (0.7) | 17 01 44.73 | 17 01 43.27 | 17 01 44.73 | 17 01 44.73 | |||
| Declination | 62 43 05.39 (0.7) | 62 43 04.84 | 62 43 05.39 (0.7) | 62 43 04.43 | 62 42 59.04 | 62 43 04.40 | 62 43 04.40 | |||
| Spectral type | DA | DA | DA | DA5.6 | DA | |||||
| Effective temperature | [K] | 8830.0 (10) | 8920.0 (16) | 8715.0 (12) | 8968.0 (5) | |||||
| log(g) | [cgs] | 8.31 (0.02) | 8.39 (0.02) | 8.18 (0.02) | 8.46 (0.01) | |||||
| Mass | [M☉] | 0.8 (0.02) | 0.702 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.3490 | ||||||||
| 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] | |||||||||
| Distance | [pc] | |||||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -32.0 (2) | -28.9 | -30.0 | ||||||
| Proper motion (declination) | [mas/yr] | 74.0 (5) | 68.5 | 71.0 | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 16.80 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 16.30 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 16.38 (0.1) | |||||||||
| H magnitude | 16.14 (0.2) | |||||||||
| K magnitude | ||||||||||
| u magnitude | 16.98 (0.008) | 16.97 (0.007) | 16.98 (0.02) | 16.97 | 16.98 (0.02) | 16.97 (0.02) | ||||
| g magnitude | 16.55 (0.004) | 16.56 (0.004) | 16.61 (0.01) | 16.61 | 16.61 (0.01) | 16.61 (0.01) | ||||
| r magnitude | 16.55 (0.004) | 16.55 (0.004) | 16.61 (0.02) | 16.61 | 16.60 (0.02) | 16.61 (0.02) | ||||
| i magnitude | 16.61 (0.005) | 16.60 (0.005) | 16.61 (0.02) | 16.61 | 16.61 (0.02) | 16.61 (0.02) | ||||
| z magnitude | 16.73 (0.01) | 16.72 (0.01) | 16.77 (0.02) | 16.79 | 16.77 (0.02) | 16.79 (0.02) | ||||
| G magnitude | 17.03 (0.006) | 17.03 (0.007) | ||||||||
| BP magnitude | 16.61 (0.006) | |||||||||
| RP magnitude | 16.32 (0.005) | |||||||||
| Pan g magnitude | 16.61 (0.01) | |||||||||
| Pan r magnitude | 16.61 (0.008) | |||||||||
| Pan i magnitude | 16.68 (0.004) | |||||||||
| Pan z magnitude | 16.78 (0.005) | |||||||||
| Pan y magnitude | 16.89 (0.01) | |||||||||
| E(B-V) | ||||||||||
* 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.