All names: TIC 73487584, WD 0230+34, Gaia EDR3 134954473809189888, NLTT 8303, LSPM J0233+3433, USNO-B1.0 1245-00035080, WD 0230+343, GALEX J023339.9+343322, GD 30, KUV 02306+3420, 2MASS J02333980+3433228, Gaia DR3 134954473809189888, Gaia DR2 134954473809189888, WDJ023339.82+343323.15
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 33 40.10 (0.05) | 02 33 40.09 (0.06) | 02 33 40.10 | 02 33 39.82 (0.05) | 02 33 40.09 | 02 33 38.98 | ||||
| Declination | 34 33 22.50 (0.04) | 34 33 22.52 (0.05) | 34 33 22.50 | 34 33 23.15 (0.04) | 34 33 22.52 | 34 33 21.24 | ||||
| Spectral type | DA | DA | DA3.3 | DA | ||||||
| Effective temperature | [K] | 15270.0 (249) | 15222.0 (254) | |||||||
| log(g) | [cgs] | 7.98 (0.05) | 7.96 (0.02) | |||||||
| Mass | [M☉] | 0.6 (0.03) | 0.591 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| 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] | 10.22 (0.06) | 10.25 (0.08) | 10.22 | 10.22 (0.06) | 10.25 (0.08) | ||||
| Distance | [pc] | 97.80 (0.6) | 97.59 (0.7) | 91.00 | 97.80 | 97.81 (0.6) | 97.59 (0.7) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 216.2007134 (0.05) | 216.2661071 (0.1) | 216.201 (0.05) | 216.2661071 | |||||
| Proper motion (declination) | [mas/yr] | -40.48514484 (0.05) | -40.51053369 (0.1) | -40.485 (0.05) | -40.51053369 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 16.00 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 16.20 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 16.53 (0.1) | |||||||||
| H magnitude | 16.25 (0.2) | |||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 16.19 (0.003) | 16.21 | 16.19 | 16.19 (0.003) | 16.21 | |||||
| BP magnitude | 16.15 (0.003) | 16.14 | 16.14 | |||||||
| RP magnitude | 16.29 (0.008) | 16.29 | 16.29 | |||||||
| Pan g magnitude | 16.08 (0.007) | |||||||||
| Pan r magnitude | 16.33 (0.003) | |||||||||
| Pan i magnitude | 16.61 (0.003) | |||||||||
| Pan z magnitude | 16.85 (0.005) | |||||||||
| Pan y magnitude | 16.98 (0.007) | |||||||||
| E(B-V) | 0.007 | |||||||||
* 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.