All names: GALEX J152802.5+435017, 2MASS J15280254+4350166, Gaia EDR3 1394450575341582464, CBS 249, PG 1526+440, FBS B 354, FBS 1526+440, Gaia DR3 1394450575341582464, PG1526+440, TIC 116414377, Gaia DR2 1394450575341582464
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 28 02.50 (0.03) | 15 28 02.65 | 15 28 02.53 (0.03) | ||
| Declination | 43 50 16.37 (0.03) | 43 50 17.19 | 43 50 16.56 (0.03) | ||
| Spectral type | He-sdO | sdBC0.2VIIHe26 | |||
| 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] | 0.76 (0.04) | 0.77 (0.05) | 0.76 (0.04) | |
| Distance | [pc] | 1313.37 (65) | 1303.10 (87) | 1313.37 (65) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -25.119 (0.04) | -24.942 (0.07) | -25.119 (0.04) | |
| Proper motion (declination) | [mas/yr] | -12.287 (0.05) | -12.577 (0.1) | -12.287 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.39 | ||||
| V magnitude | 15.64 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.66 (0.06) | 15.66 (0.06) | |||
| H magnitude | 15.52 (0.1) | 15.52 (0.1) | |||
| K magnitude | 15.20 (0.2) | 15.20 (0.2) | |||
| u magnitude | 15.07 (0.004) | ||||
| g magnitude | 15.35 (0.003) | ||||
| r magnitude | 15.76 (0.003) | ||||
| i magnitude | 15.99 (0.004) | ||||
| z magnitude | 16.20 (0.008) | ||||
| G magnitude | 15.55 (0.003) | 15.57 (0.0007) | 15.55 (0.003) | ||
| BP magnitude | 15.46 (0.004) | 15.38 (0.009) | |||
| RP magnitude | 15.69 (0.004) | 15.68 (0.004) | |||
| Pan g magnitude | 15.43 (0.0009) | ||||
| Pan r magnitude | 15.78 (0.002) | ||||
| Pan i magnitude | 16.03 (0.003) | ||||
| Pan z magnitude | 16.20 (0.005) | ||||
| Pan y magnitude | 16.29 (0.007) | ||||
| 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.