All names: TIC 157034047, Gaia EDR3 3950165294252754176, Gaia DR2 3950165294252754176, Gaia DR3 3950165294252754176, SDSS J121033.61+185346.2, 2MASS J12103361+1853463, GALEX J121033.5+185347
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 10 33.59 (0.2) | 12 10 33.61 | 12 10 33.59 (0.3) | 12 10 33.61 (0.2) | 12 10 33.61 | |||
| Declination | 18 53 46.18 (0.2) | 18 53 46.18 | 18 53 46.18 (0.2) | 18 53 46.19 (0.2) | 18 53 46.22 | |||
| Spectral type | DA+M | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (3) | ||||||
| log(g) | [cgs] | 5.01 (0.02) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.39 (0.3) | 1.23 (0.4) | 1.39 (0.3) | ||||
| Distance | [pc] | 719.24 (138) | 815.01 (244) | 719.27 (138) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -18.36315469 (0.3) | -19.58431305 (0.7) | -18.363 (0.3) | ||||
| Proper motion (declination) | [mas/yr] | -0.690591664 (0.2) | -0.317457402 (0.4) | -0.691 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.52 (0.1) | |||||||
| H magnitude | 15.98 (0.1) | |||||||
| K magnitude | 15.46 (0.2) | |||||||
| u magnitude | 20.39 (0.05) | 20.41 (0.05) | 20.41 (0.05) | |||||
| g magnitude | 19.86 (0.02) | 19.90 (0.03) | 19.90 (0.03) | |||||
| r magnitude | 19.47 (0.01) | 19.47 (0.02) | 19.47 (0.02) | |||||
| i magnitude | 18.61 (0.01) | 18.60 (0.02) | 18.60 (0.02) | |||||
| z magnitude | 18.05 (0.02) | 18.06 (0.02) | 18.06 (0.02) | |||||
| G magnitude | 19.10 (0.05) | 19.13 | 19.10 (0.004) | |||||
| BP magnitude | 19.73 (0.05) | 19.77 | ||||||
| RP magnitude | 18.25 (0.02) | 18.21 | ||||||
| Pan g magnitude | 19.80 (0.009) | |||||||
| Pan r magnitude | 19.48 (0.01) | |||||||
| Pan i magnitude | 18.62 (0.008) | |||||||
| Pan z magnitude | 18.14 (0.007) | |||||||
| Pan y magnitude | 17.89 (0.01) | |||||||
| E(B-V) | 0.021 | |||||||
* 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.