All names: Gaia EDR3 1283471609714690048, LAMOST J144820.93+320956.1, CSO 1067, SDSS J144820.93+320956.16, [BGK2006] J144820.93+320956.1, GALEX J144820.9+320955, SDSS J144820.93+320956.1, SDSSJ144820.93+320956.1, Gaia DR2 1283471609714690048, Gaia DR3 1283471609714690048
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 48 20.92 (0.02) | 14 48 20.93 | 14 48 20.93 | 14 48 20.92 (0.03) | 14 48 20.93 (0.02) | ||||
| Declination | 32 09 56.05 (0.04) | 32 09 56.15 | 32 09 56.16 | 32 09 56.05 (0.05) | 32 09 56.04 (0.04) | ||||
| Spectral type | sdB | DAB | sdB/sdO | ||||||
| Effective temperature | [K] | 27868.0 (639) | 24633.0 (181) | ||||||
| log(g) | [cgs] | 5.38 (0.09) | 5.00 (0.05) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.16 (0.06) | 0.17 (0.08) | 0.17 (0.08) | 0.16 (0.06) | ||||
| Distance | [pc] | 6348.67 (2303) | 5934.72 (2775) | 5934.72 (2775) | 6349.21 (2306) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -7.947487055 (0.03) | -7.87 (0.07) | -7.87 (0.07) | -7.947 (0.03) | ||||
| Proper motion (declination) | [mas/yr] | 0.99534985 (0.05) | 0.965 (0.1) | 0.965 (0.1) | 0.995 (0.06) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 17.07 (0.01) | ||||||||
| H magnitude | 17.03 (0.04) | ||||||||
| K magnitude | 17.15 (0.07) | ||||||||
| u magnitude | 16.70 (0.007) | 16.70 (0.007) | 16.73 (0.02) | 16.70 (0.007) | |||||
| g magnitude | 16.51 (0.004) | 16.51 (0.004) | 16.52 (0.01) | 16.51 (0.004) | |||||
| r magnitude | 16.88 (0.004) | 16.88 (0.004) | 16.91 (0.02) | 16.88 (0.004) | |||||
| i magnitude | 17.15 (0.006) | 17.15 (0.006) | 17.15 (0.01) | 17.15 (0.006) | |||||
| z magnitude | 17.36 (0.01) | 17.36 (0.01) | 17.37 (0.02) | 17.36 (0.01) | |||||
| G magnitude | 16.71 (0.003) | 16.73 (0.0008) | 16.73 | 16.71 (0.003) | |||||
| BP magnitude | 16.64 (0.003) | 16.58 (0.006) | 16.58 | ||||||
| RP magnitude | 16.85 (0.004) | 16.84 (0.005) | 16.84 | ||||||
| Pan g magnitude | 16.58 (0.003) | 16.58 (0.003) | |||||||
| Pan r magnitude | 16.90 (0.002) | 16.90 (0.002) | |||||||
| Pan i magnitude | 17.18 (0.004) | 17.18 (0.004) | |||||||
| Pan z magnitude | 17.39 (0.008) | 17.39 (0.008) | |||||||
| Pan y magnitude | 17.52 (0.01) | 17.52 (0.01) | |||||||
| 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.