All names: TIC 157109930, WISEA J153531.42+144113.5, SDSS J153531.41+144113.1, SDSS J153531.40+144113.1, WISE J153531.42+144113.6, Gaia EDR3 1194399382469203328, Gaia DR2 1194399382469203328, WIRED J153531.41+144113.1, 2MASS J15353144+1441133
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 35 31.40 (0.3) | 15 35 31.41 | 15 35 31.40 (0.5) | 15 35 31.41 | 15 35 31.41 (62) | 15 35 31.41 | |||
| Declination | 14 41 13.04 (0.2) | 14 41 13.12 | 14 41 13.03 (0.4) | 14 41 13.13 | 14 41 13.04 (61) | 14 41 13.14 | |||
| Spectral type | DB+M | DB+M | DB+M | ||||||
| Effective temperature | [K] | 17622.0 (25) | 6300.0 (4) | ||||||
| log(g) | [cgs] | 8.22 (0.02) | 10.00 (0.003) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.96 (0.3) | 6.13 (0.7) | ||||||
| Distance | [pc] | 252.39 (21) | 163.21 (17) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -6.02363506 (0.3) | -5.002213644 (0.9) | ||||||
| Proper motion (declination) | [mas/yr] | 16.08125738 (0.3) | 13.92775708 (0.9) | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.37 (0.1) | ||||||||
| H magnitude | 15.98 (0.1) | ||||||||
| K magnitude | 15.61 (0.2) | ||||||||
| u magnitude | 18.81 (0.02) | 18.86 | 18.81 (0.02) | 18.86 (0.02) | |||||
| g magnitude | 18.76 (0.008) | 18.83 | 18.76 (0.008) | 18.83 (0.02) | |||||
| r magnitude | 18.65 (0.009) | 18.81 | 18.65 (0.009) | 18.81 (0.01) | |||||
| i magnitude | 18.13 (0.009) | 18.31 | 18.15 (0.008) | 18.31 (0.02) | |||||
| z magnitude | 17.64 (0.02) | 17.82 | 17.64 (0.02) | 17.82 (0.02) | |||||
| G magnitude | 19.08 (0.03) | 19.02 | |||||||
| BP magnitude | 18.82 (0.03) | 18.65 | |||||||
| RP magnitude | 17.81 (0.02) | 17.82 | |||||||
| Pan g magnitude | 18.86 (0.01) | ||||||||
| Pan r magnitude | 18.79 (0.01) | ||||||||
| Pan i magnitude | 18.31 (0.009) | ||||||||
| Pan z magnitude | 17.88 (0.01) | ||||||||
| Pan y magnitude | 17.69 (0.01) | ||||||||
| 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.