All names: FBS B 347, GALEX J151258.7+443220, Gaia DR2 1393840002790784384, PG1511+447, 2MASS J15125880+4432212, SDSS J151258.75+443221.2, TIC 233645903, Gaia DR3 1393840002790784384, FBS 1511+447, PG 1511+447, Gaia EDR3 1393840002790784384, CBS 232
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 12 58.76 (0.03) | 15 12 58.79 | 15 12 58.76 (0.03) | ||
| Declination | 44 32 21.25 (0.03) | 44 32 20.73 | 44 32 21.26 (0.03) | ||
| Spectral type | sdO | sdOA | |||
| 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] | 0.70 (0.04) | 0.62 (0.05) | 0.70 (0.04) | |
| Distance | [pc] | 1424.91 (72) | 1617.60 (127) | 1424.91 (72) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -5.475 (0.03) | -5.434 (0.07) | -5.475 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.068 (0.04) | -0.257 (0.1) | -0.068 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.60 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.31 (0.1) | 16.31 (0.1) | |||
| H magnitude | 15.99 | ||||
| K magnitude | 16.97 | ||||
| u magnitude | 15.09 (0.004) | 15.06 (0.02) | |||
| g magnitude | 15.39 (0.003) | 15.38 (0.03) | |||
| r magnitude | 15.86 (0.004) | 15.85 (0.01) | |||
| i magnitude | 16.22 (0.004) | 16.21 (0.01) | |||
| z magnitude | 16.51 (0.009) | 16.49 (0.02) | |||
| G magnitude | 15.61 (0.003) | 15.62 (0.001) | 15.61 (0.003) | ||
| BP magnitude | 15.46 (0.004) | 15.37 (0.01) | |||
| RP magnitude | 15.91 (0.005) | 15.90 (0.004) | |||
| Pan g magnitude | 15.43 (0.006) | ||||
| Pan r magnitude | 15.85 (0.002) | ||||
| Pan i magnitude | 16.23 (0.002) | ||||
| Pan z magnitude | 16.51 (0.006) | ||||
| Pan y magnitude | 16.70 (0.009) | ||||
| E(B-V) | 0.021 | ||||
* 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.