All names: Gaia DR2 4422600328035803264, SDSS J154642.84+004528.4, CSI+01 3129 2, TIC 272567861, WDS J15467+0045B, UCAC2 32049923, GEN# +1.00141025B, EGGR 113, CCDM J15467+0045B, Gaia EDR3 4422600328035803264, EGGR113, GCRV 65694, LB 898, UBV 13435, DENIS J154642.8+004528, Gaia DR3 4422600328035803264, GALEX J154642.9+004527, WD 1544+009, WD 1544+008, ** LDS 6306B, 2MASS J15464284+0045282, UCAC4 454-057496, WD 1544+00, LAMOST J154642.92+004527.9, IDS 15417+0103 B
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 46 42.85 (0.03) | 15 46 42.93 | 15 46 42.85 (0.06) | 15 46 42.85 (0.03) | 15 46 42.96 | |||
| Declination | 00 45 28.24 (0.03) | 00 45 27.91 | 00 45 28.25 (0.04) | 00 45 28.39 (0.03) | 00 45 08.64 | |||
| Spectral type | sdO | sdO | DA1 | |||||
| Effective temperature | [K] | 56256.0 (145) | ||||||
| log(g) | [cgs] | 5.91 (0.04) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.70 (0.04) | 0.62 (0.07) | 0.62 (0.07) | 0.70 (0.04) | |||
| Distance | [pc] | 1433.98 (86) | 1607.46 (188) | 1607.46 (188) | 1433.90 (86) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -1.817087629 (0.05) | -1.704 (0.1) | -1.704 (0.1) | -1.817 (0.05) | |||
| Proper motion (declination) | [mas/yr] | -9.410358158 (0.04) | -9.42 (0.1) | -9.42 (0.1) | -9.41 (0.04) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.25 (0.05) | |||||||
| V magnitude | 14.97 (0.1) | |||||||
| R magnitude | 15.54 (0.08) | |||||||
| I magnitude | 15.54 (0.07) | |||||||
| J magnitude | 15.76 (0.1) | 15.76 (0.1) | ||||||
| H magnitude | 15.74 (0.2) | 15.74 (0.2) | ||||||
| K magnitude | 15.43 | |||||||
| u magnitude | 14.50 (0.003) | 14.51 (0.004) | ||||||
| g magnitude | 14.86 (0.003) | 14.90 (0.003) | ||||||
| r magnitude | 15.34 (0.003) | 15.35 (0.004) | ||||||
| i magnitude | 15.64 (0.004) | 15.73 (0.004) | ||||||
| z magnitude | 16.04 (0.006) | 15.95 (0.007) | ||||||
| G magnitude | 15.09 (0.002) | 15.11 (0.0008) | 15.11 | 15.09 (0.003) | ||||
| BP magnitude | 14.95 (0.002) | 14.89 (0.01) | 14.89 | |||||
| RP magnitude | 15.36 (0.003) | 15.35 (0.006) | 15.35 | |||||
| Pan g magnitude | 14.94 (0.003) | 14.94 (0.003) | ||||||
| Pan r magnitude | 15.35 (0.002) | 15.35 (0.002) | ||||||
| Pan i magnitude | 15.69 (0.003) | 15.69 (0.003) | ||||||
| Pan z magnitude | 16.19 (0.1) | 16.19 (0.1) | ||||||
| Pan y magnitude | 16.10 (0.01) | 16.10 (0.01) | ||||||
| E(B-V) | 0.073 | |||||||
* 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.