All names: PG 1622+194, Gaia DR2 1200905944390797312, TIC 258091014, 2MASS J16242364+1916020, WISE J162423.66+191602.1, WISEA J162423.65+191601.9, SDSS J162423.65+191601.9, PG1622+194, UCAC4 547-056975, Gaia DR3 1200905944390797312
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 24 23.65 | 16 24 23.66 (0.02) | ||
| Declination | 19 16 02.57 | 19 16 01.98 (0.02) | ||
| Spectral type | sdOB | sdOB | ||
| 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] | 0.11 (0.05) | 0.13 (0.04) | |
| Distance | [pc] | 9487.67 (4897) | 7575.76 (2164) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.399 (0.07) | -0.324 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.947 (0.07) | -5.932 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.92 (0.02) | |||
| V magnitude | 15.98 (0.01) | |||
| R magnitude | 16.11 (0.2) | |||
| I magnitude | ||||
| J magnitude | 15.37 (0.05) | 15.37 (0.05) | ||
| H magnitude | 15.22 (0.1) | 15.22 (0.1) | ||
| K magnitude | 15.08 (0.1) | 15.08 (0.1) | ||
| u magnitude | 15.83 (0.005) | 15.84 (0.005) | ||
| g magnitude | 15.83 (0.004) | 15.83 (0.004) | ||
| r magnitude | 15.95 (0.004) | 15.95 (0.004) | ||
| i magnitude | 16.01 (0.004) | 16.01 (0.004) | ||
| z magnitude | 16.09 (0.007) | 16.10 (0.007) | ||
| G magnitude | 15.84 (0.0008) | 15.82 (0.003) | ||
| BP magnitude | 15.82 (0.009) | |||
| RP magnitude | 15.69 (0.003) | |||
| Pan g magnitude | 15.86 (0.002) | |||
| Pan r magnitude | 15.95 (0.002) | |||
| Pan i magnitude | 16.04 (0.002) | |||
| Pan z magnitude | 16.12 (0.003) | |||
| Pan y magnitude | 16.16 (0.008) | |||
| E(B-V) | 0.052 | |||
* 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.