All names: SDSS J172313.19+292308.2, Gaia DR3 4599443029468480896, LB 328, TIC 298417805, [ZEH2003] RX J1723.2+2923 1, 2MASS J17231319+2923079, WD 1721+294, 1RXS J172313.9+292322, RX J1723.2+2923, Gaia DR2 4599443029468480896, GALEX J172313.1+292307, RX J1723+293, Gaia EDR3 4599443029468480896
| 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 23 13.20 (0.03) | 17 23 13.20 (0.04) | 17 23 13.20 | 17 23 13.19 (0.03) | 17 23 13.63 | |||
| Declination | 29 23 08.00 (0.03) | 29 23 08.01 (0.05) | 29 23 08.00 | 29 23 08.24 (0.03) | 29 23 21.84 | |||
| Spectral type | DA | DA | DA1.3 | DA1 | ||||
| Effective temperature | [K] | 40180.0 (703) | 49436.0 (3308) | |||||
| log(g) | [cgs] | 7.57 (0.06) | 7.76 (0.03) | |||||
| Mass | [M☉] | 0.49 (0.02) | 0.579 (0.02) | |||||
| 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] | 3.31 (0.04) | 3.32 (0.06) | 3.31 | 3.31 (0.04) | |||
| Distance | [pc] | 302.19 (4) | 301.34 (5) | 327.00 | 302.19 | 302.19 (4) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | 5.442387336 (0.04) | 5.478449915 (0.09) | 5.442 (0.04) | ||||
| Proper motion (declination) | [mas/yr] | -14.86914265 (0.04) | -14.72418537 (0.09) | -14.869 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.80 | |||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.47 (0.1) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 15.55 (0.01) | |||||||
| g magnitude | 15.90 (0.02) | |||||||
| r magnitude | 16.43 (0.009) | |||||||
| i magnitude | 16.83 (0.01) | |||||||
| z magnitude | 17.08 (0.02) | |||||||
| G magnitude | 16.17 (0.003) | 16.20 | 16.17 | 16.17 (0.003) | ||||
| BP magnitude | 16.01 (0.003) | 15.95 | ||||||
| RP magnitude | 16.48 (0.004) | 16.48 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.022 | |||||||
* 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.