All names: SDSS J235421.95-002129.1, GALEX J235421.9-002128, Gaia DR3 2642037935156661376, WD 2351-006, SDSS J235421.97-002129.2, SDSS J235421.95-002129.2, Gaia DR2 2642037930859859456, Gaia EDR3 2642037935156661376, WDJ235421.96-002129.30, WiggleZ S00J235421965-00212927, SDSS J235421.96-002129.2, 2SLAQ J235421.96-002129.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2026b | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 54 22.00 (0.6) | 23 54 21.97 | 23 54 22.00 (0.7) | 23 54 21.96 (0.6) | 23 54 21.97 | 23 54 21.79 | 23 54 21.95 | |||||
| Declination | -00 21 29.39 (0.4) | -00 21 29.25 | -00 21 29.38 (0.4) | -00 21 29.30 (0.4) | -00 21 29.27 | -00 21 24.12 | -00 21 29.18 | |||||
| Spectral type | DA | DA | DA: | DA: | DA | DA | ||||||
| Effective temperature | [K] | 9332.0 (178) | 9479.0 (228) | 9422.0 (236) | ||||||||
| log(g) | [cgs] | 6.69 (0.5) | 7.99 (0.4) | 7.92 (0.4) | ||||||||
| Mass | [M☉] | 0.201 (0.04) | 0.557 (0.2) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(Li/H) | ||||||||||||
| log(Be/H) | ||||||||||||
| log(B/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(Cl/H) | ||||||||||||
| log(K/H) | ||||||||||||
| log(Sc/H) | ||||||||||||
| log(Ti/H) | ||||||||||||
| log(V/H) | ||||||||||||
| log(Cr/H) | ||||||||||||
| log(Mn/H) | ||||||||||||
| log(Fe/H) | ||||||||||||
| log(Co/H) | ||||||||||||
| log(Ni/H) | ||||||||||||
| log(Cu/H) | ||||||||||||
| log(Sr/H) | ||||||||||||
| Parallax | [mas] | 1.33 (0.7) | 0.54 (0.8) | 1.33 (0.7) | ||||||||
| Distance | [pc] | 751.26 (383) | 1860.84 (2850) | 751.26 (383) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 34.85524194 (0.6) | 32.95683403 (1) | 34.855 (0.6) | ||||||||
| Proper motion (declination) | [mas/yr] | -5.526641317 (0.4) | -5.454721794 (0.9) | -5.527 (0.4) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.67 (0.05) | 20.61 (0.08) | 20.64 (0.08) | 20.64 | 20.65 (0.08) | |||||||
| g magnitude | 20.21 (0.02) | 20.16 (0.02) | 20.20 (0.03) | 20.19 | 20.20 (0.03) | |||||||
| r magnitude | 20.18 (0.02) | 20.18 (0.03) | 20.23 (0.03) | 20.22 | 20.23 (0.03) | |||||||
| i magnitude | 20.34 (0.03) | 20.23 (0.04) | 20.27 (0.04) | 20.26 | 20.26 (0.04) | |||||||
| z magnitude | 20.37 (0.1) | 20.40 (0.2) | 20.47 (0.2) | 20.46 | 20.45 (0.2) | |||||||
| G magnitude | 20.16 (0.09) | 20.21 | 20.16 (0.006) | |||||||||
| BP magnitude | 20.33 (0.09) | 20.15 | ||||||||||
| RP magnitude | 19.85 (0.09) | 19.83 | ||||||||||
| Pan g magnitude | 20.17 (0.01) | |||||||||||
| Pan r magnitude | 20.20 (0.02) | |||||||||||
| Pan i magnitude | 20.29 (0.02) | |||||||||||
| Pan z magnitude | 20.42 (0.05) | |||||||||||
| Pan y magnitude | 20.31 (0.2) | |||||||||||
| E(B-V) | 0.030 | |||||||||||
* 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.