All names: J0939+1341, SDSS J093910.84+134154.0, SDSS J093910.84+134154.1, Gaia DR3 617587538064096640, Gaia DR2 617587538064096640, Gaia EDR3 617587538064096640, SDSS J093910.85+134154.10, SDSS J093910.85+134154.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 39 10.82 (0.2) | 09 39 10.85 | 09 39 10.82 | 09 39 10.86 (0.2) | ||||||
| Declination | 13 41 54.36 (0.2) | 13 41 54.10 | 13 41 54.36 | 13 41 53.96 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 6135.0 (31) | 6194.0 (46) | 6260.0 (83) | ||||||
| log(g) | [cgs] | 8.01 (0.02) | 7.84 (0.1) | 8.05 (0.03) | ||||||
| Mass | [M☉] | 0.592 (0.02) | 0.51447 (0.04) | 0.62 (0.03) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 2.2300 | ||||||||
| 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] | 13.42 (0.2) | 13.42 (0.2) | 13.42 | 13.42 (0.2) | |||||
| Distance | [pc] | 74.51 (1) | 74.52 (1) | 74.51 | 74.51 (1) | |||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -40.08216527 (0.2) | -40.082 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | 24.78491682 (0.2) | 24.785 (0.2) | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.50 (0.03) | 19.46 (0.03) | 19.46 (0.03) | 19.46 (0.03) | ||||||
| g magnitude | 18.60 (0.007) | 18.62 (0.03) | 18.60 (0.007) | |||||||
| r magnitude | 18.30 (0.007) | 18.30 (0.01) | 18.30 (0.007) | |||||||
| i magnitude | 18.18 (0.008) | 18.18 (0.01) | 18.18 (0.008) | |||||||
| z magnitude | 18.16 (0.02) | 18.14 (0.03) | 18.16 (0.02) | |||||||
| G magnitude | 18.29 (0.01) | 18.29 | 18.29 (0.003) | |||||||
| BP magnitude | 18.56 (0.01) | |||||||||
| RP magnitude | 17.88 (0.02) | |||||||||
| Pan g magnitude | 18.59 (0.006) | 18.59 (0.006) | ||||||||
| Pan r magnitude | 18.29 (0.004) | 18.29 (0.004) | ||||||||
| Pan i magnitude | 18.20 (0.004) | 18.20 (0.004) | ||||||||
| Pan z magnitude | 18.19 (0.009) | 18.19 (0.009) | ||||||||
| Pan y magnitude | 18.21 (0.01) | 18.21 (0.01) | ||||||||
| E(B-V) | 0.004 | |||||||||
* 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.