All names: LAMOST J155549.85+401144.4, FBS B 126, 2MASS J15554985+4011444, GALEX J155549.9+401144, SDSS J155549.84+401144.5, FBS1554+403, SDSS J155549.84+401144.4, FBS 1554+403, Gaia DR2 1382933122321062912, TIC 29385876, Gaia DR3 1382933122321062912
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 55 49.90 | 15 55 49.85 (0.02) | ||
| Declination | 40 11 44.60 | 40 11 44.43 (0.02) | ||
| Spectral type | sd | sdB | ||
| 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] | 0.13 (0.03) | 0.12 (0.02) | |
| Distance | [pc] | 7949.13 (1788) | 8271.30 (1348) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.295 (0.05) | 0.217 (0.02) | |
| Proper motion (declination) | [mas/yr] | 0.87 (0.06) | 0.947 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.31 (0.03) | 14.31 (0.03) | ||
| H magnitude | 14.36 (0.05) | 14.36 (0.05) | ||
| K magnitude | 14.31 (0.06) | 14.31 (0.06) | ||
| u magnitude | 14.27 (0.003) | 14.27 (0.003) | ||
| g magnitude | 13.86 (0.003) | 13.86 (0.003) | ||
| r magnitude | 14.21 (0.003) | 14.21 (0.003) | ||
| i magnitude | 14.48 (0.003) | 14.48 (0.003) | ||
| z magnitude | 14.71 (0.004) | 14.71 (0.004) | ||
| G magnitude | 14.05 (0.0008) | 14.03 (0.003) | ||
| BP magnitude | 13.94 (0.004) | |||
| RP magnitude | 14.14 (0.003) | |||
| Pan g magnitude | 13.91 (0.006) | |||
| Pan r magnitude | 14.24 (0.004) | |||
| Pan i magnitude | 14.49 (0.003) | |||
| Pan z magnitude | 14.68 (0.003) | |||
| Pan y magnitude | 14.81 (0.003) | |||
| 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.