All names: GALEX J173726.5+220857, ALS 18969, [CW83] 1735+22, LSE 161, TYC 1563-1018-1, UVO1735+22, Gaia DR2 4557081835745623808, LAMOST J173726.42+220857.7, GSC 01563-01018, Gaia DR3 4557081835745623808, 2MASS J17372643+2208577, TD1 32714, TIC 349534378, UCAC2 39688660, SBC9 3423
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 37 26.48 | 17 37 26.42 (0.02) | ||
| Declination | 22 08 57.68 | 22 08 57.72 (0.03) | ||
| Spectral type | sdOB+WD | sdB+A? | ||
| Effective temperature | [K] | 38000.0 (500) | ||
| log(g) | [cgs] | 5.54 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 2.23 (0.05) | 2.28 (0.05) | |
| Distance | [pc] | 449.42 (10) | 438.42 (9) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -21.658 (0.06) | -21.779 (0.03) | |
| Proper motion (declination) | [mas/yr] | 1.37 (0.08) | 1.268 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 11.51 (0.06) | |||
| V magnitude | 11.65 (0.1) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 12.51 (0.02) | 12.51 (0.02) | ||
| H magnitude | 12.65 (0.02) | 12.65 (0.02) | ||
| K magnitude | 12.70 (0.03) | 12.70 (0.03) | ||
| u magnitude | 11.81 (0.001) | |||
| g magnitude | ||||
| r magnitude | 12.17 (0.001) | |||
| i magnitude | 14.86 (0.01) | |||
| z magnitude | 13.38 (0.005) | |||
| G magnitude | 11.82 (0.0005) | 11.80 (0.003) | ||
| BP magnitude | 11.58 (0.005) | |||
| RP magnitude | 12.10 (0.001) | |||
| Pan g magnitude | 11.61 | |||
| Pan r magnitude | 12.09 | |||
| Pan i magnitude | 12.46 | |||
| Pan z magnitude | 12.75 | |||
| Pan y magnitude | 12.91 (0.0005) | |||
| E(B-V) | 0.046 | |||
* 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.