All names: Gaia DR2 1585277243613047936, WISEA J150024.52+420544.6, 2MASS J15002454+4205448, UCAC2 46433652, CBS 217, Gaia EDR3 1585277243613047936, UCAC4 661-059294, BSO 22, BSO 21, PG1458+423, WISE J150024.52+420544.6, FBS 1458+422, TIC 284245833, LAMOST J150024.53+420544.7, FBS B 343, SDSS J150024.54+420544.7, PG 1458+423, Gaia DR3 1585277243613047936
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 00 24.52 (0.02) | 15 00 24.61 | 15 00 24.54 (0.02) | ||
| Declination | 42 05 44.60 (0.03) | 42 05 45.52 | 42 05 44.82 (0.03) | ||
| Spectral type | sdB | sdB1.5VIIHe0 | |||
| Effective temperature | [K] | 31000.0 (130) | |||
| log(g) | [cgs] | 5.59 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.12 (0.03) | 1.12 (0.04) | 1.12 (0.03) | |
| Distance | [pc] | 895.66 (24) | 895.98 (29) | 895.66 (24) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -15.876 (0.03) | -16.054 (0.06) | -15.876 (0.03) | |
| Proper motion (declination) | [mas/yr] | -14.125 (0.03) | -14.421 (0.07) | -14.125 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.67 (0.02) | ||||
| V magnitude | 13.91 (0.04) | ||||
| R magnitude | 14.26 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.46 (0.03) | 14.46 (0.03) | |||
| H magnitude | 14.54 (0.06) | 14.54 (0.06) | |||
| K magnitude | 14.87 (0.1) | 14.87 (0.1) | |||
| u magnitude | 13.40 (0.003) | ||||
| g magnitude | 13.97 (0.002) | ||||
| r magnitude | 14.11 (0.003) | ||||
| i magnitude | 14.45 (0.004) | ||||
| z magnitude | 14.77 (0.005) | ||||
| G magnitude | 13.86 (0.003) | 13.88 (0.0007) | 13.86 (0.003) | ||
| BP magnitude | 13.72 (0.003) | 13.65 (0.007) | |||
| RP magnitude | 14.14 (0.004) | 14.14 (0.002) | |||
| Pan g magnitude | 13.71 (0.006) | ||||
| Pan r magnitude | 14.12 (0.002) | ||||
| Pan i magnitude | 14.48 (0.002) | ||||
| Pan z magnitude | 14.75 (0.003) | ||||
| Pan y magnitude | 14.95 (0.003) | ||||
| E(B-V) | 0.022 | ||||
* 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.