All names: 2MASS J15474245+5016591, [HHD2009] SDSS J1547+5016, TIC 159855374, SDSS J154742.45+501658.8, WD 1546+504, Gaia DR2 1404027046741949440, GALEX J154742.4+501659, SBSS 1546+504, Gaia EDR3 1404027046741949440, Gaia DR3 1404027046741949440
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 47 42.46 (0.04) | 15 47 42.45 | 15 47 42.46 (0.05) | 15 47 42.45 | 15 47 42.45 (0.04) | 15 47 42.34 | |||
| Declination | 50 16 58.63 (0.06) | 50 16 58.89 | 50 16 58.64 (0.08) | 50 16 58.80 | 50 16 58.84 (0.06) | 50 16 56.64 | |||
| Spectral type | WD+K | D+K | WD K | ||||||
| Effective temperature | [K] | ||||||||
| log(g) | [cgs] | ||||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.63 (0.05) | 0.55 (0.07) | 0.63 (0.05) | |||||
| Distance | [pc] | 1575.13 (122) | 1828.81 (231) | 651.00 (65) | 1575.05 (122) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 2.450310624 (0.05) | 2.484185216 (0.1) | 2.45 (0.05) | |||||
| Proper motion (declination) | [mas/yr] | -12.74828608 (0.07) | -12.55386088 (0.2) | -12.748 (0.07) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.54 (0.05) | ||||||||
| H magnitude | 14.93 (0.07) | ||||||||
| K magnitude | 14.59 (0.1) | ||||||||
| u magnitude | 17.91 (0.01) | 17.87 | 17.91 (0.01) | 17.87 | |||||
| g magnitude | 17.52 (0.005) | 17.53 | 17.52 (0.005) | 17.52 | |||||
| r magnitude | 17.02 (0.004) | 17.02 | 17.02 (0.005) | 17.01 | |||||
| i magnitude | 16.77 (0.005) | 16.74 | 16.77 (0.005) | 16.73 | |||||
| z magnitude | 16.61 (0.01) | 16.59 | 16.61 (0.01) | 16.58 | |||||
| G magnitude | 16.95 (0.01) | 16.99 | 16.95 (0.004) | ||||||
| BP magnitude | 17.32 (0.01) | 17.35 | |||||||
| RP magnitude | 16.37 (0.009) | 16.41 | |||||||
| Pan g magnitude | 17.56 (0.01) | ||||||||
| Pan r magnitude | 17.12 (0.007) | ||||||||
| Pan i magnitude | 16.86 (0.005) | ||||||||
| Pan z magnitude | 16.70 (0.004) | ||||||||
| Pan y magnitude | 16.62 (0.02) | ||||||||
| E(B-V) | 0.019 | ||||||||
* 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.