All names: WD 0145+234, CHSS 3403, 2MASS J01475481+2339437, Gaia DR3 291057843317534464, Gaia EDR3 291057843317534464, GALEX J014754.8+233942, UCAC4 569-003819, TIC 456933060, 1SWASP J014754.80+233943.8, WD 0145+23, Gaia DR2 291057843317534464, Mrk 362, WDJ014754.82+233943.60
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Trierweiler et al. 2025 (Opt.) | Trierweiler et al. 2025 (UV) | O'Brien et al. 2024 | McCleery et al. 2020 | 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 | 01 47 54.81 (0.02) | 01 47 54.81 (0.06) | 01 47 54.81 (0.06) | 01 47 54.81 | 01 47 54.82 (0.02) | 01 47 54.81 | 01 47 52.80 | ||||||||
| Declination | 23 39 42.04 (0.02) | 23 39 42.09 (0.04) | 23 39 42.09 (0.04) | 23 39 42.04 | 23 39 43.60 (0.02) | 23 39 42.09 | 23 38 56.04 | ||||||||
| Spectral type | DAZ | DAZ | DAZ | DA | DA | DA | DA | DA3.9 | DA | ||||||
| Effective temperature | [K] | 12680.0 (80) | 12680.0 (80) | 12990.0 (191) | 13023.0 (120) | 12910.0 (219) | 13060.0 (217) | 13049.0 (93) | |||||||
| log(g) | [cgs] | 8.06 (0.01) | 8.06 (0.01) | 8.08 (0.01) | 8.09 (0.01) | 8.11 (0.05) | 8.13 (0.05) | 8.09 (0.005) | |||||||
| Mass | [M☉] | 0.64 | 0.64 | 0.657 (0.009) | 0.67 (0.03) | 0.69 (0.03) | 0.66 (0.004) | ||||||||
| log(Luminosity) | [L☉] | -2.45 | |||||||||||||
| Cooling age | [Gyr] | ||||||||||||||
| log(H/He) | |||||||||||||||
| log(C/He) | |||||||||||||||
| log(Ca/He) | |||||||||||||||
| log(Ca/H) | -6.9 (0.2) | -7.1 (0.2) | |||||||||||||
| log(Li/H) | |||||||||||||||
| log(Be/H) | |||||||||||||||
| log(B/H) | |||||||||||||||
| log(C/H) | <-8.0 | ||||||||||||||
| log(N/H) | <-7.0 | ||||||||||||||
| log(O/H) | -5.2 (0.2) | ||||||||||||||
| log(Na/H) | |||||||||||||||
| log(Mg/H) | -6.1 (0.2) | ||||||||||||||
| log(Al/H) | -6.8 (0.2) | ||||||||||||||
| log(Si/H) | -5.8 (0.2) | ||||||||||||||
| log(P/H) | <-7.0 | ||||||||||||||
| log(S/H) | <-7.0 | ||||||||||||||
| log(Cl/H) | |||||||||||||||
| log(K/H) | |||||||||||||||
| log(Sc/H) | |||||||||||||||
| log(Ti/H) | -8.3 (0.2) | ||||||||||||||
| log(V/H) | |||||||||||||||
| log(Cr/H) | <-7.2 | ||||||||||||||
| log(Mn/H) | <-7.5 | ||||||||||||||
| log(Fe/H) | -6 (0.2) | ||||||||||||||
| log(Co/H) | |||||||||||||||
| log(Ni/H) | -7.4 (0.2) | ||||||||||||||
| log(Cu/H) | |||||||||||||||
| log(Sr/H) | |||||||||||||||
| Parallax | [mas] | 33.98 (0.02) | 33.98 (0.02) | 33.95 (0.05) | 33.95 (0.05) | 33.98 | 33.98 (0.02) | 33.95 (0.05) | |||||||
| Distance | [pc] | 29.43 (0.02) | 29.43 (0.02) | 29.46 (0.04) | 29.46 (0.04) | 34.30 (2) | 36.00 | 29.43 | 29.43 (0.02) | 29.46 (0.04) | |||||
| Composition | H | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -5.404344483 (0.03) | -5.209478316 (0.1) | -5.404 (0.03) | -5.209478316 | ||||||||||
| Proper motion (declination) | [mas/yr] | -97.45500037 (0.02) | -97.58865179 (0.08) | -97.455 (0.02) | -97.58865179 | ||||||||||
| Variability | NOV | ||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 14.13 (0.01) | ||||||||||||||
| V magnitude | 14.01 (0.05) | ||||||||||||||
| R magnitude | 14.13 (0.1) | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 14.21 (0.03) | ||||||||||||||
| H magnitude | 14.24 (0.05) | ||||||||||||||
| K magnitude | 14.23 (0.06) | ||||||||||||||
| u magnitude | 14.38 (0.004) | ||||||||||||||
| g magnitude | 13.97 (0.01) | 14.12 (0.006) | |||||||||||||
| r magnitude | 14.15 (0.05) | 14.28 (0.008) | |||||||||||||
| i magnitude | 14.44 (0.01) | 14.56 (0.009) | |||||||||||||
| z magnitude | 14.64 (0.005) | ||||||||||||||
| G magnitude | 14.03 (0.001) | 14.05 | 14.05 | 14.03 | 14.03 (0.003) | 14.05 | |||||||||
| BP magnitude | 14.02 (0.001) | 14.02 | 14.02 | ||||||||||||
| RP magnitude | 14.08 (0.001) | 14.09 | 14.09 | ||||||||||||
| Pan g magnitude | 13.97 (0.006) | ||||||||||||||
| Pan r magnitude | 14.15 (0.002) | ||||||||||||||
| Pan i magnitude | 14.39 (0.002) | ||||||||||||||
| Pan z magnitude | 14.61 (0.003) | ||||||||||||||
| Pan y magnitude | 14.75 (0.002) | ||||||||||||||
| 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.