All names: Gaia DR2 1613578256299169152, SDSS J145443.68+570139.6, SDSS J145443.65+570139.6, SDSS J145443.66+570139.7, SDSS J145443.67+570139.6, Gaia EDR3 1613578256299169152, Gaia DR3 1613578256299169152, WD 1453+572, [HHD2009] SDSS J1454+5701, GALEX J145443.7+570139, 2MASS J14544369+5701393, TIC 158591946
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 54 43.66 (0.1) | 14 54 43.67 | 14 54 43.66 (0.2) | 14 54 43.67 (0.1) | 14 54 43.61 | |||
| Declination | 57 01 39.68 (0.1) | 57 01 39.66 | 57 01 39.68 (0.2) | 57 01 39.64 (0.1) | 57 01 35.40 | |||
| Spectral type | DA+M | DA M | ||||||
| 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] | 0.92 (0.1) | 0.96 (0.2) | 0.92 (0.1) | ||||
| Distance | [pc] | 1088.14 (162) | 1045.88 (224) | 1088.14 (162) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -6.55564563 (0.1) | -6.441225999 (0.3) | -6.556 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | 2.62871364 (0.2) | 2.54115176 (0.3) | 2.629 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.56 (0.1) | |||||||
| H magnitude | 15.85 (0.1) | |||||||
| K magnitude | 15.64 (0.1) | |||||||
| u magnitude | 20.42 (0.05) | 20.34 (0.06) | 20.35 | |||||
| g magnitude | 19.66 (0.01) | 19.62 (0.01) | 19.62 | |||||
| r magnitude | 18.72 (0.009) | 18.66 (0.009) | 18.65 | |||||
| i magnitude | 18.04 (0.008) | 18.01 (0.008) | 18.00 | |||||
| z magnitude | 17.67 (0.02) | 17.65 (0.02) | 17.65 | |||||
| G magnitude | 18.60 (0.04) | 18.65 | 18.60 (0.003) | |||||
| BP magnitude | 19.33 (0.04) | 19.34 | ||||||
| RP magnitude | 17.70 (0.01) | 17.71 | ||||||
| Pan g magnitude | 19.57 (0.01) | |||||||
| Pan r magnitude | 18.77 (0.008) | |||||||
| Pan i magnitude | 18.10 (0.005) | |||||||
| Pan z magnitude | 17.79 (0.007) | |||||||
| Pan y magnitude | 17.61 (0.009) | |||||||
| E(B-V) | 0.020 | |||||||
* 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.