All names: UCAC4 585-053183, LAMOST J161624.36+265314.7, WD 1614+270, USNO-B1.0 1168-00280654, TIC 236383396, GALEX J161624.3+265315, SDSSJJ161624.36+265314.7, SDSS J161624.36+265314.75, Gaia EDR3 1315765159572132224, PG 1614+270, SDSS J161624.35+265314.8, 2MASS J16162436+2653150, Gaia DR3 1315765159572132224, 1SWASP J161623.83+265310.7, Gaia DR2 1315765159572132224, SDSS J161624.36+265314.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 16 24.35 (0.02) | 16 16 24.35 | 16 16 24.35 | 16 16 24.36 | 16 16 24.35 (0.03) | 16 16 24.35 (0.02) | 16 16 22.30 | ||||
| Declination | 26 53 14.69 (0.03) | 26 53 14.84 | 26 53 14.84 | 26 53 14.70 | 26 53 14.70 (0.04) | 26 53 14.89 (0.03) | 26 53 08.16 | ||||
| Spectral type | He-sdOB | He-sdB | sdBHe | sdO | |||||||
| Effective temperature | [K] | 40578.0 (960) | 45818.0 (42) | ||||||||
| log(g) | [cgs] | 5.66 (0.2) | 7.00 (0.05) | ||||||||
| Mass | [M☉] | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.49 (0.04) | 0.56 (0.05) | 0.56 (0.05) | 0.49 (0.04) | ||||||
| Distance | [pc] | 2033.14 (156) | 1800.18 (161) | 1800.33 (161) | 2033.35 (156) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.917302117 (0.03) | -0.883 (0.07) | -0.883245702 (0.07) | -0.917 (0.03) | ||||||
| Proper motion (declination) | [mas/yr] | -12.00149313 (0.04) | -12.014 (0.09) | -12.01361413 (0.09) | -12.001 (0.04) | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.20 | ||||||||||
| V magnitude | 14.82 | ||||||||||
| R magnitude | 16.14 (0.3) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.43 (0.1) | 16.54 (0.009) | |||||||||
| H magnitude | 16.67 | 16.66 (0.02) | |||||||||
| K magnitude | 16.26 | 16.78 (0.05) | |||||||||
| u magnitude | 15.36 (0.005) | 15.36 (0.005) | 15.36 (0.005) | 15.36 (0.02) | 15.36 (0.005) | ||||||
| g magnitude | 15.65 (0.004) | 15.66 (0.004) | 15.65 (0.004) | 15.68 (0.02) | 15.65 (0.004) | ||||||
| r magnitude | 16.10 (0.004) | 16.10 (0.004) | 16.10 (0.004) | 16.10 (0.01) | 16.10 (0.004) | ||||||
| i magnitude | 16.46 (0.005) | 16.45 (0.005) | 16.46 (0.005) | 16.46 (0.02) | 16.46 (0.005) | ||||||
| z magnitude | 16.80 (0.01) | 16.80 (0.01) | 16.80 (0.01) | 16.78 (0.01) | 16.80 (0.01) | ||||||
| G magnitude | 15.88 (0.002) | 15.90 (0.001) | 15.90 | 15.88 (0.003) | |||||||
| BP magnitude | 15.75 (0.002) | 15.68 (0.008) | 15.68 | ||||||||
| RP magnitude | 16.14 (0.003) | 16.13 (0.003) | 16.13 | ||||||||
| Pan g magnitude | 15.73 (0.0007) | 15.73 (0.0007) | |||||||||
| Pan r magnitude | 16.11 (0.002) | 16.11 (0.002) | |||||||||
| Pan i magnitude | 16.48 (0.004) | 16.48 (0.004) | |||||||||
| Pan z magnitude | 16.74 (0.004) | 16.74 (0.004) | |||||||||
| Pan y magnitude | 16.92 (0.008) | 16.92 (0.008) | |||||||||
| E(B-V) | 0.037 | ||||||||||
* 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.