All names: WD 1544+009, EGGR113, ** LDS 6306B, Gaia DR3 4422600328035803264, DENIS J154642.8+004528, IDS 15417+0103 B, UCAC4 454-057496, CCDM J15467+0045B, TIC 272567861, Gaia DR2 4422600328035803264, WD 1544+00, LAMOST J154642.92+004527.9, WDS J15467+0045B, WD 1544+008, SDSS J154642.84+004528.4, Gaia EDR3 4422600328035803264, GALEX J154642.9+004527, EGGR 113, UBV 13435, 2MASS J15464284+0045282, GEN# +1.00141025B, CSI+01 3129 2, UCAC2 32049923, GCRV 65694, LB 898
| 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.