All names: Gaia EDR3 875548981874844800, SDSS J075453.81+281720.2, Gaia DR2 875548981874844800, SDSS J075453.81+281720.1, 2MASS J07545383+2817199, Gaia DR3 875548981874844800, TIC 171371093
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|
| Right ascension | 07 54 53.81 (0.06) | 07 54 53.81 | 07 54 53.81 (0.06) | 07 54 53.81 | |||
| Declination | 28 17 20.15 (0.04) | 28 17 20.25 | 28 17 20.16 (0.04) | 28 17 20.20 | |||
| Spectral type | sd | SD_auto | |||||
| Effective temperature | [K] | 12293.0 (42) | |||||
| log(g) | [cgs] | 5.00 (0.002) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 0.13 (0.08) | 0.13 (0.08) | ||||
| Distance | [pc] | 7667.85 (4605) | 7668.71 (4605) | ||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -0.134082093 (0.07) | -0.134 (0.07) | 2.7 | |||
| Proper motion (declination) | [mas/yr] | -0.367826327 (0.05) | -0.368 (0.05) | 2.4 | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.77 (0.1) | ||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 17.83 (0.01) | 17.83 (0.01) | 17.84 (0.02) | ||||
| g magnitude | 16.84 (0.005) | 16.84 (0.005) | 16.85 (0.01) | ||||
| r magnitude | 17.09 (0.006) | 17.09 (0.006) | 17.09 (0.01) | ||||
| i magnitude | 17.28 (0.006) | 17.28 (0.007) | 17.29 (0.01) | ||||
| z magnitude | 17.44 (0.01) | 17.43 (0.01) | 17.43 (0.02) | ||||
| G magnitude | 16.97 (0.006) | 16.97 (0.003) | |||||
| BP magnitude | 16.98 (0.006) | ||||||
| RP magnitude | 16.97 (0.008) | ||||||
| Pan g magnitude | 16.88 (0.004) | ||||||
| Pan r magnitude | 17.09 (0.002) | ||||||
| Pan i magnitude | 17.29 (0.004) | ||||||
| Pan z magnitude | 17.45 (0.008) | ||||||
| Pan y magnitude | 17.45 (0.009) | ||||||
| E(B-V) | 0.035 | ||||||
* 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.