All names: Gaia EDR3 4424066213258137472, UCAC4 463-055359, Gaia DR2 4424065805237116160, SDSS J153553.88+023532.7, SDSSJ153553.88+023532.7, 2MASS J15355387+0235327, LAMOST J153553.87+023532.7, Gaia DR3 4424065805237116160
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 35 59.51 (0.5) | 15 35 53.88 | 15 35 53.88 (0.03) | ||
| Declination | 02 36 16.28 (0.5) | 02 35 32.74 | 02 35 32.78 (0.02) | ||
| Spectral type | sd | B4Ib | |||
| 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] | 0.96 (0.6) | 0.03 (0.05) | 0.03 (0.05) | |
| Distance | [pc] | 1039.83 (603) | 29411.76 (42647) | 29411.76 (42647) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.905 (0.7) | -4.591 (0.08) | -4.487 (0.04) | |
| Proper motion (declination) | [mas/yr] | -10.881 (0.6) | -2.632 (0.07) | -2.58 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.48 (0.01) | ||||
| V magnitude | 13.64 (0.01) | ||||
| R magnitude | 13.88 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.14 (0.03) | 14.14 (0.03) | |||
| H magnitude | 14.32 (0.05) | 14.32 (0.05) | |||
| K magnitude | 14.46 (0.09) | 14.46 (0.09) | |||
| u magnitude | 13.28 (0.003) | 13.28 (0.003) | |||
| g magnitude | 13.79 (0.001) | 13.79 (0.001) | |||
| r magnitude | 13.82 (0.003) | 13.82 (0.003) | |||
| i magnitude | 14.14 (0.003) | 14.14 (0.003) | |||
| z magnitude | 14.43 (0.004) | 14.43 (0.004) | |||
| G magnitude | 20.11 (0.005) | 13.63 (0.0005) | 13.61 (0.003) | ||
| BP magnitude | 20.43 (0.08) | 13.46 (0.006) | |||
| RP magnitude | 19.65 (0.06) | 13.83 (0.002) | |||
| Pan g magnitude | 13.47 | ||||
| Pan r magnitude | 13.86 (0.004) | ||||
| Pan i magnitude | 14.16 (0.004) | ||||
| Pan z magnitude | 14.42 (0.004) | ||||
| Pan y magnitude | 14.59 (0.004) | ||||
| E(B-V) | 0.043 | ||||
* 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.