All names: Gaia DR2 6365271657299575680, WDJ183708.31-765905.91, LEP1837-7659, TIC 344130696, Gaia EDR3 6365271657299575680, WISE J183708.08-765907.5, 2MASS J18370828-7659058, WDJ18378.31-765905.91, Gaia DR3 6365271657299575680, DENIS J183708.3-765905, WISEA J183708.06-765907.7, UCAC4 066-029422
| Parameter | Unit | Gaia EDR3 | Subasavage et al. 2022 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 37 07.97 (0.02) | 18 37 07.98 | 18 37 07.97 | 18 37 08.31 (0.02) | 18 37 07.98 | |||
| Declination | -76 59 08.34 (0.02) | -76 59 08.26 | -76 59 08.34 | -76 59 05.91 (0.02) | -76 59 08.26 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 10202.0 (368) | 11073.0 (58) | |||||
| log(g) | [cgs] | 7.08 (0.05) | 7.13 (0.005) | |||||
| Mass | [M☉] | 0.237 (0.01) | 0.251 (0.002) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| log(C/H) | ||||||||
| log(N/H) | ||||||||
| log(O/H) | ||||||||
| log(Na/H) | ||||||||
| log(Mg/H) | ||||||||
| log(Al/H) | ||||||||
| log(Si/H) | ||||||||
| log(P/H) | ||||||||
| log(S/H) | ||||||||
| log(Sc/H) | ||||||||
| log(Ti/H) | ||||||||
| log(Cr/H) | ||||||||
| log(Mn/H) | ||||||||
| log(Fe/H) | ||||||||
| log(Ni/H) | ||||||||
| Parallax | [mas] | 11.36 (0.03) | 11.42 (0.04) | 11.42 (0.04) | 11.36 | 11.36 (0.03) | 11.42 (0.04) | |
| Distance | [pc] | 88.07 (0.2) | 87.56 (0.3) | 87.57 (0.3) | 88.07 | 88.07 (0.2) | 87.57 (0.3) | |
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -71.87229542 (0.02) | -71.88407055 (0.06) | -71.872 (0.02) | -71.88407055 | |||
| Proper motion (declination) | [mas/yr] | -151.9241955 (0.03) | -151.8901113 (0.06) | -151.924 (0.03) | -151.8901113 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.66 | |||||||
| V magnitude | 15.46 | 15.29 (0.01) | ||||||
| R magnitude | 15.50 | 15.45 (0.1) | ||||||
| I magnitude | 15.47 | 15.32 (0.05) | ||||||
| J magnitude | 15.34 | 15.34 (0.07) | ||||||
| H magnitude | 15.47 | 15.47 (0.1) | ||||||
| K magnitude | 15.45 | 15.45 (0.2) | ||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.39 (0.004) | 15.42 | 15.39 | 15.39 (0.003) | 15.42 | |||
| BP magnitude | 15.42 (0.004) | 15.43 | 15.43 | |||||
| RP magnitude | 15.38 (0.002) | 15.39 | 15.39 | |||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.006 | |||||||
* 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.