All names: TIC 368727047, PG1438+018, SDSS J144117.32+013727.6, LAMOST J144117.33+013727.8, BPS BS 16981-0060, Gaia DR2 3655309299687364992, PG 1438+018, GALEX J144117.4+013729, [HMD92] 867-6, Gaia DR3 3655309299687364992, 2MASS J14411732+0137278, Gaia EDR3 3655309299687364992
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 14 41 17.32 (0.04) | 14 41 17.29 | 14 41 17.32 (0.04) | ||
| Declination | 01 37 27.76 (0.03) | 01 37 27.32 | 01 37 27.67 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 29110.0 (300) | |||
| log(g) | [cgs] | 5.75 (0.02) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.13 (0.04) | 1.14 (0.06) | 1.13 (0.04) | |
| Distance | [pc] | 883.86 (31) | 875.43 (47) | 883.86 (31) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.027 (0.04) | -3.184 (0.09) | -3.027 (0.04) | |
| Proper motion (declination) | [mas/yr] | 5.767 (0.04) | 5.94 (0.08) | 5.767 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.00 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.77 (0.04) | 14.73 (0.004) | |||
| H magnitude | 14.83 (0.07) | 14.76 (0.006) | |||
| K magnitude | 14.77 (0.1) | 14.81 (0.009) | |||
| u magnitude | 13.83 (0.003) | 13.87 (0.02) | |||
| g magnitude | 14.01 (0.003) | 14.03 (0.02) | |||
| r magnitude | 14.49 (0.004) | 14.48 (0.02) | |||
| i magnitude | 14.80 (0.004) | 14.80 (0.02) | |||
| z magnitude | 15.10 (0.005) | 15.08 (0.02) | |||
| G magnitude | 14.24 (0.003) | 14.26 (0.0006) | 14.24 (0.003) | ||
| BP magnitude | 14.11 (0.004) | 14.07 (0.008) | |||
| RP magnitude | 14.48 (0.004) | 14.47 (0.003) | |||
| Pan g magnitude | 14.08 (0.007) | ||||
| Pan r magnitude | 14.48 (0.003) | ||||
| Pan i magnitude | 14.82 (0.002) | ||||
| Pan z magnitude | 15.05 (0.006) | ||||
| Pan y magnitude | 15.22 (0.004) | ||||
| E(B-V) | 0.036 | ||||
* 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.