All names: TIC 67472044, Gaia DR2 896073737229428352, Gaia EDR3 896073737229428352, SDSS J073818.67+374659.4, Gaia DR3 896073737229428352, 2MASS J07381867+3746593, SDSS J073818.67+374659.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 38 18.68 (0.05) | 07 38 18.68 | 07 38 18.68 (0.06) | 07 38 18.68 (0.05) | 07 38 18.68 | |||
| Declination | 37 46 59.38 (0.03) | 37 46 59.35 | 37 46 59.38 (0.04) | 37 46 59.39 (0.03) | 37 46 59.42 | |||
| Spectral type | sd | SD_auto | ||||||
| Effective temperature | [K] | 12305.0 (33) | ||||||
| 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] | 0.01 (0.06) | 0.01 (0.08) | 0.01 (0.06) | ||||
| Distance | [pc] | 164104.75 (1485730) | 121988.04 (1131984) | 163934.43 (1483472) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -0.427158319 (0.06) | -0.633475197 (0.1) | -0.427 (0.06) | -0.3 | |||
| Proper motion (declination) | [mas/yr] | -0.690798753 (0.03) | -0.859845394 (0.07) | -0.691 (0.03) | 1.6 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.37 (0.1) | |||||||
| H magnitude | 15.90 (0.2) | |||||||
| K magnitude | ||||||||
| u magnitude | 17.52 (0.009) | 17.52 (0.01) | 17.51 (0.02) | |||||
| g magnitude | 16.40 (0.004) | 16.40 (0.004) | 16.43 (0.02) | |||||
| r magnitude | 16.58 (0.004) | 16.60 (0.004) | 16.61 (0.01) | |||||
| i magnitude | 16.72 (0.005) | 16.74 (0.005) | 16.74 (0.01) | |||||
| z magnitude | 16.83 (0.01) | 16.84 (0.01) | 16.85 (0.02) | |||||
| G magnitude | 16.49 (0.004) | 16.51 | 16.49 (0.003) | |||||
| BP magnitude | 16.54 (0.004) | 16.54 | ||||||
| RP magnitude | 16.43 (0.005) | 16.42 | ||||||
| Pan g magnitude | 16.45 (0.003) | |||||||
| Pan r magnitude | 16.59 (0.002) | |||||||
| Pan i magnitude | 16.76 (0.002) | |||||||
| Pan z magnitude | 16.88 (0.006) | |||||||
| Pan y magnitude | 16.89 (0.005) | |||||||
| E(B-V) | 0.039 | |||||||
* 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.