All names: Gaia DR3 450931644363332352, 1RXS J023947.9+500349, 2EUVE J0239+50.0, RE J0239+500, 2RE J0239+500, UCAC4 701-019765, Gaia DR2 450931644363332352, Gaia EDR3 450931644363332352, EUVE J0239+50.0, WISEA J023948.18+500346.7, 2RE J023949+500400, RE J023947+500403, WISE J023948.19+500346.9, WD 0236+498, 2MASS J02394838+5003478, TIC 301739456
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 39 48.39 (0.03) | 02 39 48.39 (0.05) | 02 39 48.39 | 02 39 48.40 (0.03) | 02 39 47.35 | |||
| Declination | 50 03 48.27 (0.04) | 50 03 48.26 (0.05) | 50 03 48.27 | 50 03 48.04 (0.04) | 50 03 59.04 | |||
| Spectral type | DA | DA | DA1.5 | DA2 | ||||
| Effective temperature | [K] | 34150.0 (510) | 34918.0 (1151) | |||||
| log(g) | [cgs] | 8.67 (0.05) | 8.56 (0.02) | |||||
| Mass | [M☉] | 1.05 (0.03) | 0.986 (0.02) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| log(Li/H) | ||||||||
| log(Be/H) | ||||||||
| log(B/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(Cl/H) | ||||||||
| log(K/H) | ||||||||
| log(Sc/H) | ||||||||
| log(Ti/H) | ||||||||
| log(V/H) | ||||||||
| log(Cr/H) | ||||||||
| log(Mn/H) | ||||||||
| log(Fe/H) | ||||||||
| log(Co/H) | ||||||||
| log(Ni/H) | ||||||||
| log(Cu/H) | ||||||||
| log(Sr/H) | ||||||||
| Parallax | [mas] | 9.45 (0.04) | 9.42 (0.06) | 9.45 | 9.45 (0.04) | |||
| Distance | [pc] | 105.86 (0.5) | 106.12 (0.7) | 88.00 | 105.86 | 105.86 (0.5) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -5.890966877 (0.05) | -6.06100196 (0.1) | -5.891 (0.05) | ||||
| Proper motion (declination) | [mas/yr] | 14.6885776 (0.05) | 14.7213791 (0.1) | 14.689 (0.05) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.55 (0.05) | |||||||
| V magnitude | 15.71 (0.02) | |||||||
| R magnitude | 15.65 (0.4) | |||||||
| I magnitude | ||||||||
| J magnitude | 16.46 (0.1) | |||||||
| H magnitude | 16.03 (0.2) | |||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | 15.45 (0.01) | |||||||
| r magnitude | 16.05 (0.1) | |||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.72 (0.003) | 15.74 | 15.72 | 15.72 (0.003) | ||||
| BP magnitude | 15.57 (0.003) | 15.52 | ||||||
| RP magnitude | 16.02 (0.003) | 16.01 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.011 | |||||||
* 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.