All names: WDJ131830.01+735318.25, 131830.01+735318.25, Gaia EDR3 1688618481786030336, USNO-B1.0 1638-00079637, Gaia DR2 1688618481786030336, TIC 298071788, LSPM J1318+7353, Gaia DR3 1688618481786030336, 2MASS J13182993+7353182
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 18 29.40 (0.1) | 13 18 29.40 | 13 18 30.01 (0.1) | 13 18 29.42 | ||||
| Declination | 73 53 17.50 (0.1) | 73 53 17.50 | 73 53 18.26 (0.1) | 73 53 17.53 | ||||
| Spectral type | DA | DC: | DC | DC | ||||
| Effective temperature | [K] | 4999.0 (35) | 5000.0 (40) | 5247.0 (22) | ||||
| log(g) | [cgs] | 7.35 (0.04) | 7.35 (0.04) | 7.46 (0.01) | ||||
| Mass | [M☉] | 0.292 (0.01) | 0.313 (0.007) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 27.45 (0.1) | 27.45 (0.1) | 27.40 (0.1) | 27.45 | 27.45 (0.1) | 27.12 (0.2) | |
| Distance | [pc] | 36.43 (0.2) | 36.43 (0.2) | 36.50 (0.1) | 36.43 | 36.43 (0.2) | 36.87 (0.2) | |
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -159.415475 (0.2) | -159.415 (0.2) | -159.1850192 | ||||
| Proper motion (declination) | [mas/yr] | -47.38979009 (0.2) | -47.39 (0.2) | -46.55818059 | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 17.60 | |||||||
| V magnitude | ||||||||
| R magnitude | 16.70 | |||||||
| I magnitude | ||||||||
| J magnitude | 15.67 (0.07) | |||||||
| H magnitude | 15.39 (0.1) | |||||||
| K magnitude | 15.20 (0.1) | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 16.86 (0.006) | 16.86 | 16.86 (0.005) | 16.82 | ||||
| BP magnitude | 17.24 (0.006) | 17.26 | ||||||
| RP magnitude | 16.15 (0.003) | 16.17 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.003 | |||||||
* 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.