All names: Gaia DR2 675221296188984192, Gaia EDR3 675221296188984192, LAMOST J075356.37+233118.9, TIC 63188984, LAMOST J075356.37+233118.8, 2MASS J07535636+2331190, SDSS J075356.37+233118.9, Gaia DR3 675221296188984192
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 53 56.38 (0.06) | 07 53 56.37 | 07 53 56.38 (0.08) | 07 53 56.37 | 07 53 56.37 (0.06) | 07 53 56.37 | ||||
| Declination | 23 31 18.72 (0.04) | 23 31 18.94 | 23 31 18.72 (0.05) | 23 31 18.95 | 23 31 18.98 (0.04) | 23 31 18.94 | ||||
| Spectral type | DA+M | DA+M? | DA+M | DA+M | ||||||
| Effective temperature | [K] | 20331.0 (514) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.11 (0.1) | 5.00 (0.007) | |||||||
| Mass | [M☉] | 0.69 (0.06) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.95 (0.07) | 2.93 (0.1) | 2.95 (0.07) | ||||||
| Distance | [pc] | 339.07 (8) | 341.01 (12) | 354.00 (24) | 339.08 (8) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 6.240137656 (0.08) | 6.223006343 (0.2) | 6.24 (0.08) | ||||||
| Proper motion (declination) | [mas/yr] | -16.47036296 (0.05) | -16.55051031 (0.1) | -16.47 (0.05) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.48 (0.03) | |||||||||
| H magnitude | 13.85 (0.03) | |||||||||
| K magnitude | 13.58 (0.03) | |||||||||
| u magnitude | 18.53 (0.02) | 18.54 | 18.53 (0.02) | 18.54 (0.02) | ||||||
| g magnitude | 18.01 (0.006) | 18.02 | 18.01 (0.006) | 18.02 (0.02) | ||||||
| r magnitude | 17.44 (0.006) | 17.44 | 17.44 (0.006) | 17.44 (0.01) | ||||||
| i magnitude | 16.45 (0.005) | 16.44 | 16.45 (0.005) | 16.44 (0.01) | ||||||
| z magnitude | 15.82 (0.007) | 15.83 | 15.82 (0.007) | 15.83 (0.02) | ||||||
| G magnitude | 17.01 (0.01) | 17.03 | 17.01 (0.003) | |||||||
| BP magnitude | 17.92 (0.01) | 17.90 | ||||||||
| RP magnitude | 16.01 (0.005) | 16.04 | ||||||||
| Pan g magnitude | 17.99 (0.006) | |||||||||
| Pan r magnitude | 17.45 (0.004) | |||||||||
| Pan i magnitude | 16.46 (0.006) | |||||||||
| Pan z magnitude | 15.95 (0.004) | |||||||||
| Pan y magnitude | 15.68 (0.008) | |||||||||
| E(B-V) | 0.018 | |||||||||
* 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.