All names: LAMOST J140430.01+245021.0, PG1402+251, FB 142, UBV M 43741, Gaia DR2 1258202152443751552, PG 1402+251, Gaia DR3 1258202152443751552, UBV 12452, GALEX J140429.9+245020, GSC 02006-00140, TIC 28197853, 2MASS J14042993+2450195, Ton 181, CSI+25-14020, BPS BS 16023-0061
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 04 29.98 | 14 04 29.93 (0.02) | ||
| Declination | 24 50 20.06 | 24 50 19.48 (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] | 0.51 (0.04) | 0.46 (0.02) | |
| Distance | [pc] | 1945.90 (133) | 2182.45 (115) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -10.658 (0.06) | -10.566 (0.02) | |
| Proper motion (declination) | [mas/yr] | -7.458 (0.06) | -7.643 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.85 | |||
| V magnitude | 14.69 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.24 (0.03) | 14.24 (0.03) | ||
| H magnitude | 14.16 (0.04) | 14.16 (0.04) | ||
| K magnitude | 14.03 (0.07) | 14.03 (0.07) | ||
| u magnitude | 14.83 (0.004) | |||
| g magnitude | 14.67 (0.003) | |||
| r magnitude | 14.75 (0.004) | |||
| i magnitude | 14.83 (0.004) | |||
| z magnitude | 14.93 (0.005) | |||
| G magnitude | 14.68 (0.0006) | 14.66 (0.003) | ||
| BP magnitude | 14.71 (0.005) | |||
| RP magnitude | 14.51 (0.001) | |||
| Pan g magnitude | 14.72 (0.002) | |||
| Pan r magnitude | 14.77 (0.001) | |||
| Pan i magnitude | 14.85 (0.002) | |||
| Pan z magnitude | 14.95 (0.003) | |||
| Pan y magnitude | 14.99 (0.008) | |||
| E(B-V) | 0.020 | |||
* 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.