All names: FBS B 307, PLX 2888.03, Gaia EDR3 1534778323816310912, HZ 28, UBV 11272, TIC 321442827, Gaia DR3 1534778323816310912, SDSS J123226.10+412919.5, PG 1230+418, FBS 1230+417, SDSS J123226.10+412919.57, LAMOST J123226.09+412919.5, LAMOST J123226.11+412919.4, Gaia DR2 1534778323816310912, SDSS J123226.16+412919.4, EGGR 90, GEN# +6.10060317, 2MASS J12322617+4129191, SDSS J123226.09+412919.5, WD 1230+41, CSI+41-12300, FB 100, GD 317, WD 1230+417, WDJ123226.19+412919.33
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 32 26.04 (0.03) | 12 32 26.17 | 12 32 26.17 | 12 32 26.05 (0.04) | 12 32 26.04 | 12 32 26.19 (0.03) | 12 32 26.05 | 12 32 25.70 | ||||||||
| Declination | 41 29 19.48 (0.03) | 41 29 19.47 | 41 29 19.47 | 41 29 19.47 (0.03) | 41 29 19.48 | 41 29 19.33 (0.03) | 41 29 19.47 | 41 29 15.36 | ||||||||
| Spectral type | DA | DA | DA | DA2.5 | DA | DA2 | DA | |||||||||
| Effective temperature | [K] | 18588.0 | 21334.0 | 20710.0 (64) | 20310.0 (311) | 20131.0 (260) | ||||||||||
| log(g) | [cgs] | 7.97 | 8.20 | 8.15 (0.01) | 8.03 (0.05) | 8.06 (0.01) | ||||||||||
| Mass | [M☉] | 0.602 | 0.722 | 0.705 (0.005) | 0.64 (0.03) | 0.661 (0.009) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 0.0867 | 0.0882 | |||||||||||||
| 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] | 10.67 (0.04) | 10.59 (0.05) | 10.67 | 10.67 (0.04) | 10.59 (0.05) | 7.30 (8) | |||||||||
| Distance | [pc] | 93.69 (0.3) | 94.44 (0.5) | 97.00 | 93.69 | 93.69 (0.3) | 94.44 (0.5) | 136.99 (150) | ||||||||
| Composition | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -105.8824482 (0.03) | -105.8261942 (0.06) | -105.882 (0.03) | -105.826 | |||||||||||
| Proper motion (declination) | [mas/yr] | 9.217946878 (0.04) | 9.144524795 (0.07) | 9.218 (0.04) | 9.145 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 15.68 | |||||||||||||||
| V magnitude | 15.75 | |||||||||||||||
| R magnitude | ||||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.16 (0.01) | |||||||||||||||
| H magnitude | 16.18 (0.03) | |||||||||||||||
| K magnitude | 16.34 (0.06) | |||||||||||||||
| u magnitude | 15.60 (0.004) | 15.60 (0.004) | 15.61 (0.02) | 15.60 (0.004) | 15.60 (0.004) | |||||||||||
| g magnitude | 15.52 (0.003) | 15.52 (0.003) | 15.55 (0.03) | 15.52 (0.003) | 15.52 (0.003) | |||||||||||
| r magnitude | 15.91 (0.003) | 15.91 (0.003) | 15.94 (0.02) | 15.91 (0.003) | 15.91 (0.003) | |||||||||||
| i magnitude | 16.21 (0.004) | 16.21 (0.004) | 16.24 (0.02) | 16.21 (0.004) | 16.21 (0.004) | |||||||||||
| z magnitude | 16.46 (0.008) | 16.46 (0.008) | 16.48 (0.03) | 16.46 (0.008) | 16.46 (0.008) | |||||||||||
| G magnitude | 15.74 (0.002) | 15.76 | 15.74 | 15.74 (0.003) | 15.76 | |||||||||||
| BP magnitude | 15.66 (0.002) | 15.62 | 15.62 | |||||||||||||
| RP magnitude | 15.92 (0.003) | 15.91 | 15.91 | |||||||||||||
| Pan g magnitude | 15.59 (0.006) | |||||||||||||||
| Pan r magnitude | 15.92 (0.002) | |||||||||||||||
| Pan i magnitude | 16.23 (0.005) | |||||||||||||||
| Pan z magnitude | 16.50 (0.006) | |||||||||||||||
| Pan y magnitude | 16.65 (0.006) | |||||||||||||||
| 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.