All names: CBS 291, LAMOST J145203.94+453329.6, SDSS J145203.95+453329.6, SDSSJ145203.94+453329.6, Gaia DR2 1586890398971315200, BSO 13, Gaia EDR3 1586890398971315200, USNO-B1.0 1355-00256306, GALEX J145203.9+453329, Gaia DR3 1586890398971315200, SDSS J145203.94+453329.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 52 03.94 (0.06) | 14 52 03.95 | 14 52 03.94 | 14 52 03.94 (0.07) | 14 52 03.95 (0.06) | 14 52 03.95 | |||
| Declination | 45 33 29.60 (0.06) | 45 33 29.69 | 45 33 29.60 | 45 33 29.60 (0.07) | 45 33 29.61 (0.06) | 45 33 29.66 | |||
| Spectral type | sdO | sdO | SDO | ||||||
| Effective temperature | [K] | 49358.0 (5000) | 38829.0 (598) | ||||||
| log(g) | [cgs] | 5.56 (0.2) | 5.39 (0.08) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.29 (0.07) | 0.33 (0.08) | 0.33 (0.08) | 0.29 (0.07) | ||||
| Distance | [pc] | 3496.59 (858) | 3061.85 (791) | 3061.63 (791) | 3496.50 (857) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -5.679879795 (0.07) | -5.664 (0.2) | -5.664406269 (0.2) | -5.68 (0.07) | -1.1 | |||
| Proper motion (declination) | [mas/yr] | -0.820754884 (0.08) | -0.889 (0.2) | -0.888899793 (0.2) | -0.821 (0.08) | -1.6 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.90 | ||||||||
| V magnitude | 17.29 | ||||||||
| R magnitude | 17.50 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.54 (0.007) | 16.54 (0.007) | 16.54 (0.007) | 16.54 (0.02) | |||||
| g magnitude | 16.91 (0.004) | 16.91 (0.004) | 16.91 (0.004) | 16.95 (0.01) | |||||
| r magnitude | 17.44 (0.005) | 17.44 (0.005) | 17.44 (0.005) | 17.45 (0.01) | |||||
| i magnitude | 17.82 (0.007) | 17.82 (0.007) | 17.82 (0.007) | 17.83 (0.02) | |||||
| z magnitude | 18.12 (0.02) | 18.12 (0.02) | 18.13 (0.02) | 18.15 (0.02) | |||||
| G magnitude | 17.19 (0.004) | 17.23 (0.002) | 17.23 | 17.19 (0.003) | |||||
| BP magnitude | 17.04 (0.004) | 16.94 (0.01) | 16.94 | ||||||
| RP magnitude | 17.53 (0.01) | 17.50 (0.01) | 17.50 | ||||||
| Pan g magnitude | 17.01 (0.005) | 17.00 (0.005) | |||||||
| Pan r magnitude | 17.47 (0.004) | 17.47 (0.004) | |||||||
| Pan i magnitude | 17.86 (0.006) | 17.86 (0.006) | |||||||
| Pan z magnitude | 18.14 (0.007) | 18.14 (0.007) | |||||||
| Pan y magnitude | 18.36 (0.02) | 18.36 (0.02) | |||||||
| 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.