All names: Gaia EDR3 3953720569396712320, GALEX J122314.4+230753, UBV M 43151, WD 1220+234, WD 1220+23, GEN# +6.10070610, TON 610, UBV 11122, TIC 135101534, Gaia DR2 3953720569396712320, 2MASS J12231451+2307508, CSI+23-12207, FB 94, WDJ122314.52+230751.04, Gaia DR3 3953720569396712320, SDSS J122314.49+230751.0, PG 1220+234, FAUST 3107, EGGR 271, Ton 610
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 23 14.44 (0.05) | 12 23 14.44 (0.06) | 12 23 14.44 | 12 23 14.52 (0.05) | 12 23 14.44 | 12 23 14.02 | ||||||||
| Declination | 23 07 50.87 (0.03) | 23 07 50.87 (0.04) | 23 07 50.87 | 23 07 51.04 (0.03) | 23 07 50.87 | 23 07 46.56 | ||||||||
| Spectral type | DAH | DAP2.0 | DA | DA | DA | DAP2.0 | DA2 | |||||||
| Effective temperature | [K] | 25989.3 (312) | 23735.0 | 26540.0 | 24680.0 (513) | 26540.0 (429) | 25171.0 (448) | |||||||
| log(g) | [cgs] | 8.35 (0.03) | 8.24 | 9.12 (0.07) | 8.28 (0.06) | 8.29 (0.02) | ||||||||
| Mass | [M☉] | 0.8475121152847791 (0.04) | 0.772 | 0.81 | 1.25 (0.03) | 0.81 (0.04) | 0.81 (0.01) | |||||||
| log(Luminosity) | [L☉] | -1.28 | ||||||||||||
| Cooling age | [Gyr] | 0.0606 | 0.0550 | |||||||||||
| 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] | 10.77 (0.06) | 10.84 (0.07) | 10.77 | 10.77 (0.06) | 10.84 (0.07) | ||||||||
| Distance | [pc] | 92.88 (0.5) | 92.22 (0.6) | 44.00 | 100.00 | 92.88 | 92.88 (0.5) | 92.22 (0.6) | ||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -67.2386629 (0.06) | -67.43503653 (0.1) | -67.239 (0.06) | -67.43503653 | |||||||||
| Proper motion (declination) | [mas/yr] | -10.66001324 (0.04) | -10.54833397 (0.09) | -10.66 (0.04) | -10.54833397 | |||||||||
| Variability | ||||||||||||||
| Magnetic | yes | yes | ||||||||||||
| Bd | [MG] | 1.607314674199014 | 3 | |||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 15.57 | |||||||||||||
| V magnitude | 15.64 | 15.64 | ||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.19 (0.08) | |||||||||||||
| H magnitude | 16.31 (0.2) | |||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 15.29 (0.02) | 15.25 (0.004) | ||||||||||||
| g magnitude | 15.45 (0.01) | 15.45 (0.004) | ||||||||||||
| r magnitude | 15.89 (0.01) | 15.89 (0.004) | ||||||||||||
| i magnitude | 16.21 (0.01) | 16.20 (0.005) | ||||||||||||
| z magnitude | 16.51 (0.01) | 16.51 (0.008) | ||||||||||||
| G magnitude | 15.66 (0.002) | 15.68 | 15.66 | 15.66 (0.003) | 15.68 | |||||||||
| BP magnitude | 15.55 (0.002) | 15.51 | 15.51 | |||||||||||
| RP magnitude | 15.90 (0.003) | 15.90 | 15.90 | |||||||||||
| Pan g magnitude | 15.49 (0.003) | |||||||||||||
| Pan r magnitude | 15.87 (0.004) | |||||||||||||
| Pan i magnitude | 16.21 (0.005) | |||||||||||||
| Pan z magnitude | 16.48 (0.003) | |||||||||||||
| Pan y magnitude | 16.67 (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.