All names: GALEX J152820.2+103031, PG 1525+107, Gaia DR3 1165848673269627520, LAMOST J152820.28+103032.3, 2MASS J15282026+1030318, SDSS J152820.28+103032.0, Gaia DR2 1165848673269627520, UCAC2 35588056, SDSS J152820.28+103032.04, LAMOST J152820.28+103032.0, SDSS J152820.28+103031.9, Gaia EDR3 1165848673269627520, TIC 323129463, PG1525+107
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 28 20.28 (0.05) | 15 28 20.28 | 15 28 20.32 | 15 28 20.28 (0.06) | 15 28 20.29 (0.05) | ||||
| Declination | 10 30 32.00 (0.05) | 10 30 32.00 | 10 30 31.89 | 10 30 32.00 (0.06) | 10 30 32.02 (0.05) | ||||
| Spectral type | sdOB | DAO/sdO | sdBO | ||||||
| Effective temperature | [K] | 35120.0 (320) | 35443.0 (174) | ||||||
| log(g) | [cgs] | 5.75 (0.06) | 5.65 (0.03) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.51 (0.07) | 0.24 (0.08) | 0.24 (0.08) | 0.51 (0.07) | ||||
| Distance | [pc] | 1963.05 (257) | 4222.97 (1420) | 4222.97 (1420) | 1963.09 (257) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -8.981514615 (0.06) | -9.091 (0.1) | -9.091042352 (0.1) | -8.982 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -1.046307377 (0.06) | -0.438 (0.2) | -0.438385168 (0.2) | -1.046 (0.06) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.77 (0.05) | ||||||||
| V magnitude | 15.86 (0.08) | ||||||||
| R magnitude | 15.93 (0.4) | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.82 (0.1) | 16.82 (0.1) | |||||||
| H magnitude | 16.18 | 16.71 (0.03) | |||||||
| K magnitude | 15.14 | 16.85 (0.04) | |||||||
| u magnitude | 15.40 (0.004) | 15.40 (0.004) | 15.41 (0.02) | 15.40 (0.004) | |||||
| g magnitude | 15.66 (0.003) | 15.66 (0.003) | 15.69 (0.03) | 15.66 (0.003) | |||||
| r magnitude | 16.16 (0.004) | 16.16 (0.004) | 16.15 (0.02) | 16.16 (0.004) | |||||
| i magnitude | 16.52 (0.004) | 16.52 (0.004) | 16.52 (0.01) | 16.52 (0.004) | |||||
| z magnitude | 16.85 (0.01) | 16.85 (0.01) | 16.85 (0.02) | 16.83 (0.03) | |||||
| G magnitude | 15.92 (0.002) | 15.95 (0.002) | 15.95 | 15.92 (0.003) | |||||
| BP magnitude | 15.78 (0.002) | 15.73 (0.01) | 15.73 | ||||||
| RP magnitude | 16.20 (0.004) | 16.19 (0.005) | 16.19 | ||||||
| Pan g magnitude | 15.76 (0.004) | 15.76 (0.004) | |||||||
| Pan r magnitude | 16.18 (0.002) | 16.18 (0.002) | |||||||
| Pan i magnitude | 16.54 (0.003) | 16.54 (0.003) | |||||||
| Pan z magnitude | 16.80 (0.006) | 16.80 (0.006) | |||||||
| Pan y magnitude | 16.98 (0.006) | 16.98 (0.006) | |||||||
| E(B-V) | 0.031 | ||||||||
* 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.