All names: CSI+26-23295, USNO 201, SDSS J233203.84+265846.4, PG 2329+267, WDJ233203.52+265846.12, LTT 16922, G 128-72, WD 2329+267, L 1440-18, USNO-B1.0 1169-00635559, 23320+2658, TIC 28579069, UBV M 42779, PM J23320+2658, G128-72, GEN# +9.80128072, LP 402-40, SDSS J233203.85+265846.5, WD 2329+26, PLX 5694.01, J2332+2658, LSPM J2332+2658, UCAC2 41302415, GALEX J233203.6+265845, 2MASS J23320345+2658460, Gaia EDR3 2865535629374939520, EGGR 161, Gaia DR2 2865535629374939520, Gaia DR3 2865535629374939520, KUV 23296+2642, UBV 20231, NLTT 57146
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Hardy et al. 2023a | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Limoges et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Bergeron et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 32 04.05 (0.02) | 23 32 04.04 (0.03) | 23 32 04.04 (0.03) | 23 32 04.05 | 23 32 03.52 (0.02) | 23 32 04.04 | 23 32 02.47 | ||||||||||||||
| Declination | 26 58 46.58 (0.02) | 26 58 46.57 (0.02) | 26 58 46.57 (0.02) | 26 58 46.58 | 26 58 46.12 (0.02) | 26 58 46.57 | 26 58 40.08 | ||||||||||||||
| Spectral type | DAH | DAH | DAH | DAH | DAH | DAH | DA | DA | DAH | DA | DA | DA | DAP4.2 | DAH | |||||||
| Effective temperature | [K] | 9703.0 (28) | 9809.0 (96) | 9497.5 (197) | 9570.0 (25) | 9627.0 (40) | 9798.4 (37) | 9657.0 | 9400.0 (240) | 9540.0 (896) | 11940.0 (252) | 11730.0 (221) | 9400.0 (240) | 9487.0 (47) | |||||||
| log(g) | [cgs] | 8.46 (0.005) | 8.47 (0.02) | 8.43 (0.2) | 8.44 (0.004) | 8.45 (0.006) | 8.48 (0.009) | 8.45 | 8.03 (0.3) | 9.03 (0.07) | 8.98 (0.06) | 8.02 (0.3) | 8.42 (0.007) | ||||||||
| Mass | [M☉] | 0.891 (0.004) | 0.9 (0.01) | 0.8700946154663564 (0.2) | 0.876 (0.004) | 0.885 (0.005) | 0.885 | 0.61 (0.2) | 0.62 (0.2) | 1.21 (0.03) | 1.18 (0.03) | 0.61 (0.2) | 0.869 (0.007) | ||||||||
| log(Luminosity) | [L☉] | -2.93 | -3.23 | -2.95 (0.1) | |||||||||||||||||
| Cooling age | [Gyr] | 1.4300 | 1.4230 | 2.0417 | 0.7300 (0.3) | ||||||||||||||||
| 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] | 34.31 (0.03) | 34.31 (0.03) | 34.29 (0.05) | 34.29 (0.05) | 34.29 (0.05) | 25.90 (5) | 25.90 (5) | 34.31 | 34.31 (0.03) | 34.29 (0.05) | 25.00 (4) | |||||||||
| Distance | [pc] | 29.14 (0.03) | 29.15 (0.03) | 29.16 (0.04) | 29.16 (0.05) | 29.16 (0.05) | 38.60 (8) | 22.00 | 24.00 | 38.61 (7) | 29.14 | 29.14 (0.03) | 29.16 (0.05) | 40.00 (6) | |||||||
| Composition | H | H | H | H | H | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 444.5750364 (0.03) | 444.3992629 (0.08) | 444.575 (0.03) | 444.3992629 | ||||||||||||||||
| Proper motion (declination) | [mas/yr] | 29.01160478 (0.02) | 29.07848105 (0.05) | 29.012 (0.02) | 29.07848105 | ||||||||||||||||
| Variability | NOV | ||||||||||||||||||||
| Magnetic | yes | yes | yes | ||||||||||||||||||
| Bd | [MG] | 2.56841930047068 | 2.31 (0.6) | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||||
| Binarity | |||||||||||||||||||||
| B magnitude | 15.60 | 15.52 | |||||||||||||||||||
| V magnitude | 15.29 | 15.33 | |||||||||||||||||||
| R magnitude | 15.27 | 15.20 | |||||||||||||||||||
| I magnitude | 15.16 | ||||||||||||||||||||
| J magnitude | 15.17 (0.006) | 15.13 | 15.18 (0.04) | ||||||||||||||||||
| H magnitude | 15.10 (0.09) | 15.03 | 15.10 (0.09) | ||||||||||||||||||
| K magnitude | 15.03 (0.1) | 15.18 | 14.91 (0.09) | ||||||||||||||||||
| u magnitude | 15.73 (0.03) | 15.73 (0.005) | 15.73 (0.005) | ||||||||||||||||||
| g magnitude | 15.34 (0.004) | 15.34 (0.004) | |||||||||||||||||||
| r magnitude | 15.39 (0.004) | 15.39 (0.004) | |||||||||||||||||||
| i magnitude | 15.50 (0.004) | 15.50 (0.004) | |||||||||||||||||||
| z magnitude | 15.64 (0.007) | 15.64 (0.007) | |||||||||||||||||||
| G magnitude | 15.32 (0.002) | 15.34 | 15.34 | 15.32 | 15.32 (0.003) | 15.34 | |||||||||||||||
| BP magnitude | 15.38 (0.002) | 15.38 | 15.38 | ||||||||||||||||||
| RP magnitude | 15.21 (0.002) | 15.22 | 15.22 | ||||||||||||||||||
| Pan g magnitude | 15.34 (0.001) | 15.34 (0.001) | |||||||||||||||||||
| Pan r magnitude | 15.40 (0.004) | 15.40 (0.003) | |||||||||||||||||||
| Pan i magnitude | 15.52 (0.003) | 15.52 (0.003) | |||||||||||||||||||
| Pan z magnitude | 15.67 (0.003) | 15.67 (0.003) | |||||||||||||||||||
| Pan y magnitude | 15.77 (0.004) | 15.77 (0.003) | |||||||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||||||
* 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.