All names: RMB 90, Gaia DR3 3931751257626586880, TIC 87547997, GALEX J123414.1+124829, SDSS J123414.11+124829.5, WD 1231+130, SDSS J123414.11+124829.6, SDSS J123414.10+124829.5, LBQS 1231+1305, LAMOST J123414.11+124829.5, J1234+1248, Gaia EDR3 3931751257626586880, 2MASS J12341408+1248304, WDJ123414.11+124829.65, A3 450, Gaia DR2 3931751257626586880, WIRED J123414.10+124829.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Hardy et al. 2023a | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Guo et al. 2015 | Ferrario et al. 2015 | Kulebi et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 34 14.11 (0.08) | 12 34 14.11 | 12 34 14.11 (0.1) | 12 34 14.11 | 12 34 14.11 | 12 34 14.11 (0.08) | 12 34 14.11 | 12 34 14.11 | 12 34 13.56 | 12 34 14.11 | ||||||||||
| Declination | 12 48 28.95 (0.09) | 12 48 29.59 | 12 48 28.97 (0.09) | 12 48 29.59 | 12 48 28.95 | 12 48 29.65 (0.09) | 12 48 28.97 | 12 48 29.58 | 12 48 28.08 | 12 48 29.58 | ||||||||||
| Spectral type | DAH | DA | DAH | DA | DAH | DA: | DAH+DA | DAH | DAH+DA: | DA | DAH | DAH | ||||||||
| Effective temperature | [K] | 8246.4 (68) | 8260.0 (53) | 7840.0 | 7604.0 | 8200.0 | 8180.0 (128) | 8705.0 (29) | 8544.0 (49) | |||||||||||
| log(g) | [cgs] | 7.79 (0.07) | 7.78 (0.02) | 7.65 | 7.54 | 8.00 (0) | 7.77 (0.03) | 9.00 (0.001) | 9.27 (0.04) | |||||||||||
| Mass | [M☉] | 0.4794303015094089 (0.07) | 0.472 (0.01) | 0.408 | 0.344 | 0.468 (0.02) | ||||||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||||||
| Cooling age | [Gyr] | 0.7800 | 0.7434 | 0.7521 | ||||||||||||||||
| 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] | 11.25 (0.1) | 11.20 (0.1) | 11.20 (0.1) | 11.25 | 11.25 (0.1) | 11.20 (0.1) | |||||||||||||
| Distance | [pc] | 88.88 (0.9) | 89.29 (1) | 89.28 (1) | 88.88 | 88.87 (0.9) | 89.28 (1) | |||||||||||||
| Composition | H | H | ||||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 1.007981231 (0.1) | 0.495998279 (0.3) | 1.008 (0.1) | 0.496 | 7.5 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | -43.56905732 (0.2) | -43.76545731 (0.2) | -43.569 (0.2) | -43.765 | -43.0 | ||||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | yes | yes | yes | yes | ||||||||||||||||
| Bd | [MG] | 3.407705230159479 | 4.32 (0.3) | 4.32 (0.3) | ||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | 17.00 | |||||||||||||||||||
| V magnitude | ||||||||||||||||||||
| R magnitude | ||||||||||||||||||||
| I magnitude | ||||||||||||||||||||
| J magnitude | 16.81 (0.1) | 17.79 (0.04) | ||||||||||||||||||
| H magnitude | 16.82 (0.02) | 16.82 (0.02) | ||||||||||||||||||
| K magnitude | 16.78 (0.05) | 16.78 (0.05) | ||||||||||||||||||
| u magnitude | 17.82 (0.01) | 17.81 (0.01) | 17.82 (0.01) | 17.82 (0.01) | 17.85 (0.04) | 17.85 | 17.85 (0.04) | |||||||||||||
| g magnitude | 17.39 (0.005) | 17.39 (0.005) | 17.39 (0.005) | 17.38 (0.03) | 17.38 | 17.39 (0.03) | ||||||||||||||
| r magnitude | 17.33 (0.005) | 17.33 (0.005) | 17.33 (0.005) | 17.32 (0.02) | 17.32 | 17.34 (0.02) | ||||||||||||||
| i magnitude | 17.35 (0.006) | 17.35 (0.006) | 17.35 (0.006) | 17.36 (0.03) | 17.36 | 17.36 (0.03) | ||||||||||||||
| z magnitude | 17.48 (0.01) | 17.48 (0.01) | 17.48 (0.01) | 17.49 (0.03) | 17.49 | 17.49 (0.03) | ||||||||||||||
| G magnitude | 17.29 (0.01) | 17.30 | 17.29 | 17.29 (0.003) | 17.30 | |||||||||||||||
| BP magnitude | 17.44 (0.01) | 17.41 | 17.41 | |||||||||||||||||
| RP magnitude | 17.08 (0.009) | 17.06 | 17.06 | |||||||||||||||||
| Pan g magnitude | 17.41 (0.005) | 17.41 (0.006) | ||||||||||||||||||
| Pan r magnitude | 17.34 (0.004) | 17.34 (0.005) | ||||||||||||||||||
| Pan i magnitude | 17.38 (0.004) | 17.38 (0.004) | ||||||||||||||||||
| Pan z magnitude | 17.45 (0.006) | 17.45 (0.006) | ||||||||||||||||||
| Pan y magnitude | 17.50 (0.009) | 17.50 (0.01) | ||||||||||||||||||
| E(B-V) | 0.004 | |||||||||||||||||||
* 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.