All names: Gaia DR3 1605567081436543616, SDSS J144603.03+515455.3, SDSS J144603.02+515455.4, Gaia EDR3 1605567081436543616, GALEX J144603.0+515454, SDSSJ144603.02+515455.4, SDSS J144603.03+515455.4, Gaia DR2 1605567081436543616
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 46 03.03 (0.1) | 14 46 03.03 | 14 46 03.03 | 14 46 03.03 (0.2) | 14 46 03.03 (0.1) | 14 46 03.03 | |||
| Declination | 51 54 55.38 (0.2) | 51 54 55.46 | 51 54 55.48 | 51 54 55.39 (0.2) | 51 54 55.45 (0.2) | 51 54 55.46 | |||
| Spectral type | sdO+MS | sdO | SDO: | ||||||
| Effective temperature | [K] | 12606.0 (227) | |||||||
| log(g) | [cgs] | 8.93 (0.08) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.09 (0.2) | 0.24 (0.2) | 0.24 (0.2) | 0.09 (0.2) | ||||
| Distance | [pc] | 10622.50 (19913) | 4194.63 (3713) | 4194.85 (3712) | 10626.99 (19933) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.742770509 (0.2) | -1.379 (0.3) | -1.37857383 (0.3) | -0.743 (0.2) | 6.7 | |||
| Proper motion (declination) | [mas/yr] | -3.769597754 (0.2) | -3.709 (0.4) | -3.708613906 (0.4) | -3.77 (0.2) | -6.7 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 18.72 (0.02) | 18.72 (0.02) | 18.72 (0.02) | 18.75 (0.03) | |||||
| g magnitude | 18.87 (0.009) | 18.86 (0.009) | 18.86 (0.009) | 18.87 (0.02) | |||||
| r magnitude | 19.13 (0.01) | 19.13 (0.01) | 19.14 (0.01) | 19.14 (0.02) | |||||
| i magnitude | 19.27 (0.02) | 19.27 (0.02) | 19.27 (0.02) | 19.28 (0.02) | |||||
| z magnitude | 19.44 (0.07) | 19.44 (0.07) | 19.44 (0.07) | 19.46 (0.07) | |||||
| G magnitude | 18.99 (0.02) | 19.03 (0.003) | 19.03 | 18.99 (0.003) | |||||
| BP magnitude | 18.96 (0.02) | 18.90 (0.02) | 18.90 | ||||||
| RP magnitude | 19.01 (0.04) | 18.96 (0.03) | 18.96 | ||||||
| Pan g magnitude | 18.93 (0.01) | 18.93 (0.01) | |||||||
| Pan r magnitude | 19.13 (0.01) | 19.13 (0.01) | |||||||
| Pan i magnitude | 19.29 (0.01) | 19.29 (0.01) | |||||||
| Pan z magnitude | 19.43 (0.01) | 19.43 (0.01) | |||||||
| Pan y magnitude | 19.52 (0.04) | 19.52 (0.04) | |||||||
| 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.