All names: WD 2323+25, KUV 23235+2536, G128-62, PSO J351.4916+25.8720, G 128-62, WDJ232557.82+255222.39, NLTT 56838, TIC 28491705, WD 2323+256, J2325+2552, Gaia EDR3 2841348430852439680, USNO-B1.0 1158-00549295, 2MASS J23255778+2552229, LSPM J2325+2552, 23259+2552, Gaia DR2 2841348430852439680, EGGR 380, PM J23259+2552, Gaia DR3 2841348430852439680
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Blouin et al. 2019 | Gaia DR2 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 25 58.05 (0.04) | 23 25 58.05 (0.06) | 23 25 58.05 | 23 25 57.82 (0.04) | 23 25 58.05 | 23 25 56.83 | |||||||
| Declination | 25 52 17.97 (0.04) | 25 52 18.11 (0.04) | 25 52 17.97 | 25 52 22.40 (0.04) | 25 52 18.11 | 25 52 30.36 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA8.5 | DA9 | ||||||
| Effective temperature | [K] | 5880.0 (19) | 5765.0 (35) | 5940.0 (111) | 5960.0 (199) | 5860.0 (25) | |||||||
| log(g) | [cgs] | 7.54 (0.009) | 7.48 (0.02) | 8.00 (0) | 7.62 (0.3) | 7.54 (0.01) | |||||||
| Mass | [M☉] | 0.351 (0.005) | 0.328 (0.009) | 0.59 (0.1) | 0.41 (0.2) | 0.351 (0.006) | |||||||
| log(Luminosity) | [L☉] | -3.74 | |||||||||||
| Cooling age | [Gyr] | 1.3800 | 1.3310 (0.03) | ||||||||||
| 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] | 21.71 (0.07) | 21.54 (0.1) | 21.54 (0.1) | 21.54 (0.1) | 21.71 | 21.71 (0.07) | 21.54 (0.1) | |||||
| Distance | [pc] | 46.06 (0.1) | 46.43 (0.2) | 46.42 (0.2) | 46.42 (0.2) | 35.80 (2) | 46.00 | 46.06 | 46.06 (0.1) | 46.42 (0.2) | |||
| Composition | H | H | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 200.4104401 (0.06) | 200.2658244 (0.1) | 200.41 (0.06) | 200.2658244 | ||||||||
| Proper motion (declination) | [mas/yr] | -276.653788 (0.05) | -276.3082752 (0.1) | -276.654 (0.05) | -276.3082752 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 17.20 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 16.60 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.85 (0.01) | 15.84 (0.07) | 15.84 (0.07) | ||||||||||
| H magnitude | 15.43 (0.1) | 15.43 (0.1) | 15.43 (0.1) | ||||||||||
| K magnitude | 15.46 (0.2) | 15.46 (0.2) | 15.46 (0.2) | ||||||||||
| u magnitude | 18.11 (0.01) | 18.10 (0.01) | |||||||||||
| g magnitude | 17.23 (0.006) | 17.25 (0.005) | |||||||||||
| r magnitude | 16.86 (0.009) | 16.84 (0.005) | |||||||||||
| i magnitude | 16.71 (0.004) | 16.69 (0.005) | |||||||||||
| z magnitude | 16.69 (0.007) | 16.65 (0.01) | |||||||||||
| G magnitude | 16.86 (0.005) | 16.87 | 16.86 | 16.86 (0.003) | 16.87 | ||||||||
| BP magnitude | 17.17 (0.005) | 17.19 | 17.19 | ||||||||||
| RP magnitude | 16.37 (0.003) | 16.37 | 16.37 | ||||||||||
| Pan g magnitude | 17.23 (0.005) | 17.23 (0.006) | 17.23 (0.006) | ||||||||||
| Pan r magnitude | 16.86 (0.009) | 16.86 (0.009) | 16.86 (0.009) | ||||||||||
| Pan i magnitude | 16.71 (0.004) | 16.71 (0.004) | 16.71 (0.004) | ||||||||||
| Pan z magnitude | 16.69 (0.007) | 16.69 (0.007) | 16.70 (0.007) | ||||||||||
| Pan y magnitude | 16.68 (0.005) | 16.68 (0.005) | 16.68 (0.006) | ||||||||||
| E(B-V) | 0.003 | ||||||||||||
* 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.