All names: 2MASS J16125643+2502026, SDSS J161256.43+250202.6, Gaia DR2 1303116206007381888, SDSSJ161256.43+250202.6, SDSS J161256.44+250202.6, TIC 236349701, Gaia DR3 1303116206008145408, UCAC4 576-054323, GALEX J161256.3+250202
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 12 56.44 | 16 12 56.44 (0.01) | ||
| Declination | 25 02 02.71 | 25 02 02.73 (0.02) | ||
| Spectral type | sd | sd | ||
| 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] | 0.90 (0.02) | 0.91 (0.02) | |
| Distance | [pc] | 1109.39 (25) | 1094.81 (29) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.514 (0.03) | -2.486 (0.02) | |
| Proper motion (declination) | [mas/yr] | 4.697 (0.04) | 4.775 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 13.36 (0.08) | |||
| I magnitude | ||||
| J magnitude | 12.72 (0.02) | 12.72 (0.02) | ||
| H magnitude | 12.59 (0.03) | 12.59 (0.03) | ||
| K magnitude | 12.56 (0.02) | 12.56 (0.02) | ||
| u magnitude | 14.62 (0.007) | 14.62 (0.007) | ||
| g magnitude | 13.35 (0.001) | 13.35 (0.001) | ||
| r magnitude | 13.41 (0.002) | 13.41 (0.002) | ||
| i magnitude | 13.44 (0.002) | 13.44 (0.002) | ||
| z magnitude | 13.82 (0.005) | 13.82 (0.005) | ||
| G magnitude | 13.23 (0.0002) | 13.22 (0.003) | ||
| BP magnitude | 13.30 (0.003) | |||
| RP magnitude | 13.01 (0.0008) | |||
| Pan g magnitude | 13.36 | |||
| Pan r magnitude | 13.30 | |||
| Pan i magnitude | 13.35 | |||
| Pan z magnitude | 13.44 (0.004) | |||
| Pan y magnitude | 13.46 (0.002) | |||
| E(B-V) | 0.056 | |||
* 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.