All names: TIC 449905897, SDSS J150837.01+100314.0, Gaia EDR3 1167834597427267456, LAMOST J150837.02+100314.1, Gaia DR3 1167834597427267456, PG1506+102, Gaia DR2 1167834597427267456, GALEX J150837.1+100314, 2MASS J15083701+1003141, UCAC2 35407000, PG 1506+102, UCAC4 501-060950
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 08 37.02 (0.06) | 15 08 37.04 | 15 08 37.02 (0.06) | ||
| Declination | 10 03 13.92 (0.06) | 10 03 14.73 | 10 03 14.06 (0.06) | ||
| Spectral type | sdOB | sdOA | |||
| Effective temperature | [K] | 35880.0 (290) | |||
| log(g) | [cgs] | 5.79 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.57 (0.07) | 0.88 (0.08) | 0.57 (0.07) | |
| Distance | [pc] | 1748.56 (227) | 1138.56 (98) | 1748.56 (227) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.528 (0.07) | -4.467 (0.1) | -4.528 (0.07) | |
| Proper motion (declination) | [mas/yr] | -9.112 (0.07) | -8.199 (0.1) | -9.112 (0.07) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.94 (0.04) | ||||
| V magnitude | 15.13 (0.07) | ||||
| R magnitude | 15.54 (0.04) | ||||
| I magnitude | |||||
| J magnitude | 15.83 (0.06) | 15.83 (0.06) | |||
| H magnitude | 15.85 (0.1) | 15.85 (0.1) | |||
| K magnitude | 15.93 | ||||
| u magnitude | 14.58 (0.004) | ||||
| g magnitude | 14.86 (0.004) | ||||
| r magnitude | |||||
| i magnitude | 15.69 (0.006) | ||||
| z magnitude | 15.98 (0.007) | ||||
| G magnitude | 15.09 (0.003) | 15.10 (0.0009) | 15.09 (0.003) | ||
| BP magnitude | 14.94 (0.004) | 14.90 (0.01) | |||
| RP magnitude | 15.37 (0.004) | 15.38 (0.003) | |||
| Pan g magnitude | 14.92 (0.003) | ||||
| Pan r magnitude | 15.35 (0.004) | ||||
| Pan i magnitude | 15.72 (0.003) | ||||
| Pan z magnitude | 16.00 (0.005) | ||||
| Pan y magnitude | 16.17 (0.004) | ||||
| E(B-V) | 0.028 | ||||
* 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.