All names: Gaia DR3 5688717241916173568, J0939-1458, NLTT 22304, Gaia EDR3 5688717241916173568, LP 728-14, USNO-B1.0 0750-00222738, WDJ093948.69-145836.69, LHS 2167, Gaia DR2 5688717241916173568, WDJ093948.69-145836.68
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Tremblay et al. 2020 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 39 48.10 (0.1) | 09 39 48.12 | 09 39 48.10 | 09 39 48.69 (0.1) | 09 39 48.12 | ||||||
| Declination | -14 58 37.12 (0.1) | -14 58 37.11 | -14 58 37.12 | -14 58 36.69 (0.1) | -14 58 37.11 | ||||||
| Spectral type | DC | DC | DC | DA | DC | ||||||
| Effective temperature | [K] | 4128.0 (121) | 4325.0 (18) | 4170.0 (20) | 4244.0 (78) | ||||||
| log(g) | [cgs] | 7.79 (0.09) | 7.94 (0.01) | 7.83 (0.02) | 7.88 (0.04) | ||||||
| Mass | [M☉] | 0.468 (0.04) | 0.542 (0.009) | 0.504 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 7.8800 | |||||||||
| 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] | 28.16 (0.1) | 28.16 (0.1) | 28.16 (0.1) | 28.40 (0.2) | 28.16 | 28.16 (0.1) | 28.40 (0.2) | |||
| Distance | [pc] | 35.51 (0.2) | 35.51 (0.2) | 35.51 (0.2) | 35.21 (0.3) | 35.51 | 35.51 (0.2) | 35.21 (0.3) | |||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -533.7846344 (0.1) | -533.9003926 (0.3) | -533.785 (0.1) | -533.9003926 | ||||||
| Proper motion (declination) | [mas/yr] | -26.96680583 (0.1) | -27.14173584 (0.4) | -26.967 (0.1) | -27.14173584 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 19.50 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 17.20 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.65 (0.01) | ||||||||||
| H magnitude | |||||||||||
| K magnitude | 16.54 (0.05) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 18.21 (0.02) | 18.23 | 18.21 | 18.21 (0.003) | 18.23 | ||||||
| BP magnitude | 18.91 (0.02) | 18.90 | 18.90 | ||||||||
| RP magnitude | 17.45 (0.01) | 17.46 | 17.46 | ||||||||
| Pan g magnitude | 19.03 (0.01) | 19.03 (0.01) | |||||||||
| Pan r magnitude | 18.18 (0.0003) | 18.18 (0.0003) | |||||||||
| Pan i magnitude | 17.81 (0.002) | 17.81 (0.002) | |||||||||
| Pan z magnitude | 17.64 (0.02) | 17.64 (0.02) | |||||||||
| Pan y magnitude | 17.59 (0.02) | 17.59 (0.02) | |||||||||
| E(B-V) | 0.000 | ||||||||||
* 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.