All names: SDSS J213229.40-004831.3, GALEX J213229.4-004830, LAMOST J213229.40-004831.4, SDSS J213229.41-004831.4, [SDS2012] NGC 7089 765, SDSS J213229.40-004831.4, SDSSJ213229.40-004831.3, Gaia DR2 2686890721008636160, Gaia EDR3 2686890721008636160, Gaia DR3 2686890721008636160, PHL 29, SDSS J213229.41-004831.43
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 32 29.41 (0.1) | 21 32 29.40 | 21 32 29.40 | 21 32 29.41 (0.2) | 21 32 29.40 (0.1) | ||||
| Declination | -00 48 31.37 (0.09) | -00 48 31.39 | -00 48 31.39 | -00 48 31.37 (0.2) | -00 48 31.34 (0.09) | ||||
| Spectral type | sdB | sdB | sdB0k | ||||||
| Effective temperature | [K] | 27048.0 (232) | 29032.0 (151) | ||||||
| log(g) | [cgs] | 4.98 (0.01) | 5.00 (0.5) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.23 (0.1) | 0.12 (0.2) | 0.12 (0.2) | 0.23 (0.1) | ||||
| Distance | [pc] | 4438.76 (2218) | 8340.28 (13258) | 8343.69 (13266) | 4438.53 (2218) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 3.336345426 (0.1) | 3.424 (0.3) | 3.423809381 (0.3) | 3.336 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -1.976910891 (0.1) | -1.972 (0.3) | -1.972217877 (0.3) | -1.977 (0.1) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 17.20 | ||||||||
| V magnitude | 17.30 | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 17.78 (0.04) | ||||||||
| H magnitude | 17.69 (0.08) | ||||||||
| K magnitude | 17.80 (0.1) | ||||||||
| u magnitude | 17.05 (0.008) | 17.05 (0.008) | 17.05 (0.02) | 17.05 (0.008) | |||||
| g magnitude | 17.02 (0.005) | 17.02 (0.005) | 17.05 (0.02) | 17.02 (0.005) | |||||
| r magnitude | 17.45 (0.006) | 17.45 (0.006) | 17.46 (0.01) | 17.45 (0.006) | |||||
| i magnitude | 17.75 (0.008) | 17.75 (0.008) | 17.75 (0.02) | 17.75 (0.008) | |||||
| z magnitude | 18.04 (0.02) | 18.04 (0.02) | 18.05 (0.02) | 18.04 (0.02) | |||||
| G magnitude | 17.27 (0.005) | 17.30 (0.002) | 17.30 | 17.27 (0.003) | |||||
| BP magnitude | 17.17 (0.005) | 17.17 (0.02) | 17.17 | ||||||
| RP magnitude | 17.46 (0.02) | 17.44 (0.02) | 17.44 | ||||||
| Pan g magnitude | 17.12 (0.008) | 17.12 (0.008) | |||||||
| Pan r magnitude | 17.48 (0.002) | 17.48 (0.002) | |||||||
| Pan i magnitude | 17.80 (0.003) | 17.80 (0.003) | |||||||
| Pan z magnitude | 18.02 (0.01) | 18.02 (0.01) | |||||||
| Pan y magnitude | 18.19 (0.02) | 18.19 (0.02) | |||||||
| E(B-V) | 0.035 | ||||||||
* 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.