All names: Gaia EDR3 1434110165913837568, Gaia DR2 1434110165913837568, Gaia DR3 1434110165913837568, [HHD2009] SDSS J1724+5931, SDSS J172441.79+593103.2, WIRED J172441.79+593103.2, TIC 356108113, WD 1723+595, 2MASS J17244180+5931033, SDSS J172441.80+593103.5, SDSS J172441.80+593103.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 24 41.82 (0.4) | 17 24 41.79 | 17 24 41.82 (0.5) | 17 24 41.79 | 17 24 41.80 (0.4) | 17 24 41.80 | 17 24 40.56 | 17 24 41.80 | ||||
| Declination | 59 31 03.17 (0.4) | 59 31 03.27 | 59 31 03.17 (0.6) | 59 31 03.22 | 59 31 03.29 (0.4) | 59 31 03.26 | 59 31 00.84 | 59 31 03.30 | ||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA+ME | DA+M | ||||||
| Effective temperature | [K] | 21045.0 (552) | 23150.0 (670) | 8387.0 (39) | 8025.0 (70) | |||||||
| log(g) | [cgs] | 7.98 (0.1) | 7.88 (0.1) | 8.11 (0.06) | 6.63 (0.3) | |||||||
| Mass | [M☉] | 0.61 (0.06) | 0.56 (0.05) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0295 | ||||||||||
| 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] | 3.30 (0.4) | 3.30 (0.4) | |||||||||
| Distance | [pc] | 303.47 (40) | 480.00 (62) | 303.47 (40) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 10.28245812 (0.6) | 10.282 (0.6) | 13.7 | ||||||||
| Proper motion (declination) | [mas/yr] | -7.400964208 (0.6) | -7.401 (0.6) | -11.6 | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.41 (0.06) | |||||||||||
| H magnitude | 14.86 (0.08) | |||||||||||
| K magnitude | 14.53 (0.09) | |||||||||||
| u magnitude | 17.92 (0.01) | 17.92 | 17.91 (0.01) | 17.92 (0.02) | 17.91 | 17.92 (0.02) | ||||||
| g magnitude | 17.82 (0.005) | 17.81 | 17.81 (0.006) | 17.81 (0.02) | 17.82 | 17.82 (0.02) | ||||||
| r magnitude | 17.90 (0.007) | 17.90 | 17.90 (0.007) | 17.90 (0.02) | 17.91 | 17.90 (0.02) | ||||||
| i magnitude | 17.32 (0.006) | 17.34 | 17.33 (0.006) | 17.34 (0.02) | 17.30 | 17.34 (0.02) | ||||||
| z magnitude | 16.77 (0.01) | 16.77 | 16.77 (0.01) | 16.77 (0.02) | 16.78 | 16.78 (0.02) | ||||||
| G magnitude | 17.72 (0.01) | 17.63 | 17.72 (0.009) | |||||||||
| BP magnitude | 17.88 (0.01) | 17.85 | ||||||||||
| RP magnitude | 16.89 (0.006) | 16.90 | ||||||||||
| Pan g magnitude | 17.86 (0.005) | |||||||||||
| Pan r magnitude | 17.90 (0.004) | |||||||||||
| Pan i magnitude | 17.33 (0.003) | |||||||||||
| Pan z magnitude | 16.88 (0.006) | |||||||||||
| Pan y magnitude | 16.64 (0.005) | |||||||||||
| E(B-V) | 0.021 | |||||||||||
* 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.