All names: Gaia DR2 3703726255561754880, [ZEH2003] RX J1243.4+0256 1, SDSS J124325.94+025547.0, 1E 1240.8+0311, 1RXS J124326.5+025603, 2MASS J12432589+0255473, SDSS J124325.92+025547.1, [DWS97] Vir 5, SDSS J124325.94+025547.06, Gaia DR3 3703726255561754880, SDSS J124325.92+025547.3, RX J1243.4+0256, 1E 1240.8+0312, 2E 2833, 2E 1240.8+0311, Gaia EDR3 3703726255561754880, [BRT2016] 400d J124325.7+025541, 1SDSS J124325.92+025547.5, TIC 291157234
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 43 25.93 (0.08) | 12 43 25.92 | 12 43 25.93 (0.1) | 12 43 25.93 | 12 43 25.92 (0.08) | |||||
| Declination | 02 55 46.88 (0.05) | 02 55 47.14 | 02 55 46.90 (0.08) | 02 55 46.88 | 02 55 47.37 (0.04) | |||||
| Spectral type | CV_known_0522_52024_0325 | DQ | DQ | CV | ||||||
| Effective temperature | [K] | 10123.0 (53) | ||||||||
| log(g) | [cgs] | 9.86 (0.1) | ||||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.66 (0.1) | 1.83 (0.1) | 1.66 | 1.66 (0.1) | |||||
| Distance | [pc] | 603.37 (36) | 547.15 (41) | 603.37 | 603.35 (36) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 13.14881343 (0.1) | 13.36523397 (0.3) | 13.149 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | -30.72591374 (0.1) | -30.89671313 (0.1) | -30.726 (0.1) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 17.40 | |||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.25 (0.1) | |||||||||
| H magnitude | ||||||||||
| K magnitude | 15.30 (0.2) | |||||||||
| u magnitude | 17.25 (0.009) | 17.26 (0.02) | 17.25 (0.009) | |||||||
| g magnitude | 17.69 (0.006) | 17.72 (0.02) | 17.71 (0.006) | |||||||
| r magnitude | 17.57 (0.006) | 17.57 (0.01) | 17.58 (0.006) | |||||||
| i magnitude | 17.44 (0.007) | 17.43 (0.01) | 17.46 (0.007) | |||||||
| z magnitude | 17.33 (0.01) | 17.33 (0.02) | 17.35 (0.01) | |||||||
| G magnitude | 17.48 (0.03) | 17.53 | 17.48 | 17.48 (0.01) | ||||||
| BP magnitude | 17.58 (0.03) | 17.53 | ||||||||
| RP magnitude | 17.13 (0.03) | 17.10 | ||||||||
| Pan g magnitude | 18.11 (0.02) | |||||||||
| Pan r magnitude | 18.00 (0.01) | |||||||||
| Pan i magnitude | 17.95 (0.03) | |||||||||
| Pan z magnitude | 17.53 (0.05) | |||||||||
| Pan y magnitude | 17.59 (0.05) | |||||||||
| E(B-V) | 0.021 | |||||||||
* 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.