All names: UCAC3 273-158867, Kepler2M1938+4603, 2MASS J19383260+4603591, Gaia DR2 2080063931448749824, GSC 03556-03568, USNO-B1.0 1360-00318562, LAMOST J193832.60+460359.1, Kepler-451, GSC2.3 N2JF000803, Gaia DR3 2080063931448749824, TIC 271164763, TYC 3556-3568-1, EQ J1938+4603, ATO J294.6359+46.0664, GSC2 N0303123803, LAMOST J193832.61+460359.1, NSVS 5629361, ASAS J193833+4604.0, KIC 9472174, LAMOST J193832.62+460359.1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 38 32.60 | 19 38 32.61 (0.03) | ||
| Declination | 46 03 59.00 | 46 03 59.14 (0.03) | ||
| Spectral type | sdBV+dM | sdB+dM | ||
| Effective temperature | [K] | 29600.0 (500) | ||
| log(g) | [cgs] | 5.43 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 2.50 (0.04) | 2.44 (0.03) | |
| Distance | [pc] | 400.77 (6) | 409.67 (5) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 5.196 (0.08) | 5.225 (0.04) | |
| Proper motion (declination) | [mas/yr] | -4.638 (0.08) | -4.405 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.17 (0.1) | |||
| V magnitude | 12.69 (0.2) | |||
| R magnitude | 12.46 (0.08) | |||
| I magnitude | 12.40 | |||
| J magnitude | 12.76 (0.02) | 12.76 (0.02) | ||
| H magnitude | 12.89 (0.02) | 12.89 (0.02) | ||
| K magnitude | 12.96 (0.03) | 12.96 (0.03) | ||
| u magnitude | ||||
| g magnitude | 11.96 | |||
| r magnitude | ||||
| i magnitude | 12.72 | |||
| z magnitude | ||||
| G magnitude | 12.14 (0.004) | 12.11 (0.004) | ||
| BP magnitude | 11.94 (0.01) | |||
| RP magnitude | 12.34 (0.02) | |||
| Pan g magnitude | 12.04 | |||
| Pan r magnitude | 12.47 | |||
| Pan i magnitude | 12.80 | |||
| Pan z magnitude | 12.93 (0.03) | |||
| Pan y magnitude | 13.07 (0.01) | |||
| E(B-V) | 0.024 | |||
* 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.