All names: UCAC4 752-052387, Gaia EDR3 1434391159854454144, TIC 233683336, Gaia DR3 1434391159854454144, Gaia DR2 1434391159854454144, WISEA J172338.53+601444.0, LB 331, PG1723+603, SDSS J172338.54+601444.0, SDSS J172338.53+601444.0, 2MASS J17233852+6014439, PG 1723+603, WISE J172338.53+601444.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 23 38.52 (0.03) | 17 23 38.53 | 17 23 38.54 | 17 23 38.52 (0.04) | 17 23 38.53 (0.03) | 17 23 38.55 | |||
| Declination | 60 14 43.91 (0.03) | 60 14 44.01 | 60 14 44.22 | 60 14 43.91 (0.03) | 60 14 43.97 (0.03) | 60 14 44.04 | |||
| Spectral type | sdOB+MS | sdB+F2 | SDO+G: | ||||||
| Effective temperature | [K] | 7125.0 (16) | |||||||
| log(g) | [cgs] | 7.76 (0.03) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.45 (0.03) | 0.40 (0.03) | 0.40 (0.03) | 0.45 (0.03) | ||||
| Distance | [pc] | 2228.97 (143) | 2475.25 (197) | 2475.28 (197) | 2229.16 (143) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -3.766527987 (0.04) | -3.876 (0.07) | -3.876435335 (0.07) | -3.767 (0.04) | 0.2 | |||
| Proper motion (declination) | [mas/yr] | -3.679595823 (0.04) | -3.549 (0.07) | -3.548989538 (0.07) | -3.68 (0.04) | -4.3 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.63 (0.09) | ||||||||
| V magnitude | 15.46 (0.01) | ||||||||
| R magnitude | 15.84 (0.1) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.07 (0.04) | 15.07 (0.04) | |||||||
| H magnitude | 14.90 (0.07) | 14.90 (0.07) | |||||||
| K magnitude | 14.99 (0.2) | 14.99 (0.2) | |||||||
| u magnitude | 15.48 (0.005) | 15.48 (0.005) | 15.48 (0.005) | 15.50 (0.01) | |||||
| g magnitude | 15.48 (0.003) | 15.48 (0.003) | 15.48 (0.003) | 15.50 (0.01) | |||||
| r magnitude | 15.59 (0.004) | 15.59 (0.004) | 15.59 (0.004) | 15.61 (0.02) | |||||
| i magnitude | 15.68 (0.004) | 15.68 (0.004) | 15.68 (0.004) | 15.66 (0.02) | |||||
| z magnitude | 15.76 (0.007) | 15.76 (0.007) | 15.76 (0.007) | 15.75 (0.02) | |||||
| G magnitude | 15.49 (0.002) | 15.51 (0.0007) | 15.51 | 15.49 (0.003) | |||||
| BP magnitude | 15.54 (0.002) | 15.50 (0.005) | 15.50 | ||||||
| RP magnitude | 15.37 (0.003) | 15.37 (0.003) | 15.37 | ||||||
| Pan g magnitude | 15.55 (0.004) | 15.55 (0.004) | |||||||
| Pan r magnitude | 15.62 (0.003) | 15.62 (0.003) | |||||||
| Pan i magnitude | 15.70 (0.003) | 15.70 (0.003) | |||||||
| Pan z magnitude | 15.78 (0.002) | 15.78 (0.002) | |||||||
| Pan y magnitude | 15.85 (0.005) | 15.85 (0.005) | |||||||
| E(B-V) | 0.024 | ||||||||
* 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.