All names: Gaia EDR3 1419718383339799168, SDSS J172439.05+551600.1, 2MASS J17243904+5516000, TIC 356086215, WISEA J172439.07+551600.1, SDSS J172439.06+551600.1, SDSS J172439.03+551600.0, WIRED J172439.06+551600.1, SDSS J172439.01+551600.0, Gaia DR2 1419718383339799168, WISE J172439.08+551600.0, WD 1723+553, SDSS J172439.01+551559.9
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 24 39.09 (0.1) | 17 24 39.02 | 17 24 39.09 (0.1) | 17 24 39.05 | 17 24 39.02 | 17 24 39.01 | 17 24 38.52 | 17 24 39.06 | ||
| Declination | 55 16 00.07 (0.1) | 55 16 00.03 | 55 16 00.07 (0.1) | 55 16 00.08 | 55 16 00.03 | 55 15 59.95 | 55 15 54.00 | 55 16 00.11 | ||
| Spectral type | DA+M | DA+M | DA+M | DA | DA+M | |||||
| Effective temperature | [K] | 18572.0 (502) | 6300.0 (2) | 6301.0 (6) | ||||||
| log(g) | [cgs] | 8.36 (0.2) | 7.49 (0.3) | 5.01 (0.01) | ||||||
| Mass | [M☉] | 0.85 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.74 (0.1) | 1.66 (0.1) | |||||||
| Distance | [pc] | 576.07 (43) | 602.55 (54) | 336.00 (16) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.294243951 (0.2) | 7.423723517 (0.3) | -2.0 (3) | -2.7 | |||||
| Proper motion (declination) | [mas/yr] | -4.592579674 (0.2) | -3.999446396 (0.3) | -3.0 (3) | -4.9 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.93 (0.08) | |||||||||
| H magnitude | 15.31 (0.1) | |||||||||
| K magnitude | 15.07 (0.1) | |||||||||
| u magnitude | 18.59 (0.02) | 21.00 | 18.59 (0.02) | 21.00 (0.5) | 19.72 | 20.99 (0.5) | ||||
| g magnitude | 18.57 (0.007) | 19.72 | 18.57 (0.007) | 19.72 (0.1) | 19.72 | 19.71 (0.1) | ||||
| r magnitude | 18.39 (0.008) | 18.83 | 18.39 (0.008) | 18.83 (0.02) | 18.83 (0.02) | |||||
| i magnitude | 17.63 (0.007) | 17.85 | 17.63 (0.007) | 17.85 (0.03) | 17.84 (0.03) | |||||
| z magnitude | 17.01 (0.01) | 17.17 | 17.00 (0.01) | 17.17 (0.03) | 17.16 (0.03) | |||||
| G magnitude | 18.55 (0.05) | 18.57 | ||||||||
| BP magnitude | 18.86 (0.05) | 18.69 | ||||||||
| RP magnitude | 17.28 (0.009) | 17.29 | ||||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.027 | |||||||||
* 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.