All names: Gaia DR2 1170796406874734464, Gaia DR3 1170796406874734464, SDSS J152223.20+131903.4, Gaia EDR3 1170796406874734464, SDSS J152223.21+131903.4, 2MASS J15222317+1319032, GALEX J152223.2+131903, TIC 399984884, SDSSJ152223.21+131903.4
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 22 23.22 (0.04) | 15 22 23.21 | 15 22 23.21 (0.04) | ||
| Declination | 13 19 03.35 (0.04) | 13 19 03.49 | 13 19 03.49 (0.04) | ||
| Spectral type | sd | sdOBHe | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.54 (0.05) | 0.39 (0.08) | 0.54 (0.05) | |
| Distance | [pc] | 1856.67 (165) | 2549.07 (494) | 1856.67 (165) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 7.328 (0.05) | 7.278 (0.1) | 7.328 (0.05) | |
| Proper motion (declination) | [mas/yr] | -8.721 (0.05) | -8.474 (0.1) | -8.721 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.15 (0.1) | 16.15 (0.1) | |||
| H magnitude | 16.13 (0.2) | 16.13 (0.2) | |||
| K magnitude | 15.57 (0.2) | 15.57 (0.2) | |||
| u magnitude | 14.71 (0.004) | 14.73 (0.02) | |||
| g magnitude | 15.10 (0.003) | 15.13 (0.01) | |||
| r magnitude | 15.62 (0.004) | 15.62 (0.02) | |||
| i magnitude | 15.98 (0.005) | 15.97 (0.01) | |||
| z magnitude | 16.28 (0.008) | 16.27 (0.02) | |||
| G magnitude | 15.36 (0.003) | 15.38 (0.0009) | 15.36 (0.003) | ||
| BP magnitude | 15.20 (0.005) | 15.14 (0.01) | |||
| RP magnitude | 15.66 (0.005) | 15.65 (0.004) | |||
| Pan g magnitude | 15.20 (0.005) | ||||
| Pan r magnitude | 15.62 (0.004) | ||||
| Pan i magnitude | 15.99 (0.002) | ||||
| Pan z magnitude | 16.26 (0.002) | ||||
| Pan y magnitude | 16.47 (0.008) | ||||
| E(B-V) | 0.033 | ||||
* 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.