All names: PM J02334+2125, Gaia EDR3 88996326578456192, PSO J038.4126+21.4194, Gaia DR3 88996326578456192, WDJ023338.98+212513.29, J0233+2125, LSPM J0233+2125, USNO-B1.0 1114-00030595, LP 410-52, NLTT 8316, Gaia DR2 88996326578456192, 02334+2125, SDSS J023339.00+212512.2, SDSS J023339.00+212512.1, TIC 247016844, 2MASS J02333897+2125137
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 33 39.05 (0.07) | 02 33 39.05 (0.09) | 02 33 39.05 (0.09) | 02 33 39.05 | 02 33 38.98 (0.07) | 02 33 39.05 | |||||||||
| Declination | 21 25 09.73 (0.06) | 21 25 09.84 (0.07) | 21 25 09.84 (0.07) | 21 25 09.73 | 21 25 13.30 (0.06) | 21 25 09.84 | |||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 4730.0 (53) | 4739.0 (12) | 4641.6 (67) | 4750.0 (30) | 4756.0 | 4436.0 | 4730.0 (52) | 4767.0 (37) | ||||||
| log(g) | [cgs] | 7.86 (0.05) | 7.88 (0.007) | 7.80 (0.05) | 7.88 (0.02) | 7.88 | 7.65 | 8.00 (0) | 7.89 (0.02) | ||||||
| Mass | [M☉] | 0.496 (0.03) | 0.511 (0.006) | 0.51 (0.01) | 0.51 | 0.378 | 0.58 (0.1) | 0.516 (0.02) | |||||||
| log(Luminosity) | [L☉] | -4.15 | |||||||||||||
| Cooling age | [Gyr] | 5.8500 | 5.4760 (0.3) | 5.4640 | 3.9620 | ||||||||||
| 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] | 35.11 (0.08) | 35.11 (0.08) | 35.18 (0.1) | 35.18 (0.1) | 35.18 (0.1) | 35.18 (0.1) | 35.11 | 35.11 (0.08) | 35.18 (0.1) | |||||
| Distance | [pc] | 28.48 (0.07) | 28.48 (0.06) | 28.43 (0.08) | 28.43 (0.08) | 28.43 (0.08) | 28.43 (0.08) | 26.30 (3) | 28.48 | 28.48 (0.07) | 28.43 (0.08) | ||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 61.08973088 (0.09) | 61.37047634 (0.2) | 61.09 (0.09) | 61.37047634 | ||||||||||
| Proper motion (declination) | [mas/yr] | -223.0388329 (0.08) | -222.7790953 (0.2) | -223.039 (0.08) | -222.7790953 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 18.20 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 16.80 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 15.87 (0.01) | 15.95 (0.08) | 15.95 | 15.95 (0.08) | |||||||||||
| H magnitude | 15.39 (0.1) | 15.39 (0.1) | 15.39 | 15.39 (0.1) | |||||||||||
| K magnitude | 15.74 (0.2) | 15.74 (0.2) | 15.74 | 15.74 (0.2) | |||||||||||
| u magnitude | 19.86 (0.04) | 19.85 | 19.86 (0.04) | 19.86 (0.04) | |||||||||||
| g magnitude | 18.04 | 17.90 (0.005) | 18.04 (0.006) | ||||||||||||
| r magnitude | 17.14 | 17.17 (0.005) | 17.13 (0.005) | ||||||||||||
| i magnitude | 16.88 | 16.91 (0.003) | 16.88 (0.006) | ||||||||||||
| z magnitude | 16.73 | 16.80 (0.003) | 16.73 (0.01) | ||||||||||||
| G magnitude | 17.23 (0.01) | 17.24 | 17.24 | 17.23 | 17.23 (0.003) | 17.24 | |||||||||
| BP magnitude | 17.78 (0.01) | 17.83 | 17.83 | ||||||||||||
| RP magnitude | 16.56 (0.007) | 16.56 | 16.56 | ||||||||||||
| Pan g magnitude | 17.90 (0.004) | 17.90 (0.005) | 17.90 (0.005) | ||||||||||||
| Pan r magnitude | 17.17 (0.005) | 17.17 (0.005) | 17.17 (0.005) | ||||||||||||
| Pan i magnitude | 16.91 (0.003) | 16.91 (0.003) | 16.91 (0.003) | ||||||||||||
| Pan z magnitude | 16.80 (0.003) | 16.80 (0.003) | 16.80 (0.003) | ||||||||||||
| Pan y magnitude | 16.74 (0.007) | 16.74 (0.009) | 16.74 (0.009) | ||||||||||||
| E(B-V) | 0.000 | ||||||||||||||
* 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.