All names: PSO J174.3672+20.6857, LSPM J1137+2041, WIRED J113728.31+204109.4, LP 375-3, GALEX J113728.3+204109, WD 1134+209, 2MASS J11372846+2041097, WDJ113728.45+204109.91, Gaia DR2 3979070527235441792, USNO-B1.0 1106-00200212, TIC 198283313, Gaia DR3 3979070527235441792, NLTT 28019, SDSS J113728.31+204109.4, J1137+2041, Gaia EDR3 3979070527235441792
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 37 28.02 (0.09) | 11 37 28.31 | 11 37 28.04 (0.1) | 11 37 28.45 | 11 37 28.02 | 11 37 28.45 (0.09) | 11 37 28.04 | 11 37 28.31 | |||||||||
| Declination | 20 41 08.38 (0.09) | 20 41 09.43 | 20 41 08.43 (0.1) | 20 41 09.70 | 20 41 08.38 | 20 41 09.90 (0.09) | 20 41 08.43 | 20 41 09.41 | |||||||||
| Spectral type | DA | DA | DA | DA | DA5.5 | DA5.5 | DA | DA5.5 | DA | DA | DA | ||||||
| Effective temperature | [K] | 7702.0 (62) | 7431.0 (47) | 7702.0 (62) | 7585.0 (85) | 7639.0 | 7740.0 (40) | 7856.0 (133) | 7597.0 (24) | ||||||||
| log(g) | [cgs] | 7.90 (0.02) | 7.79 (0.02) | 7.90 (0.02) | 7.87 (0.03) | 7.88 | 8.01 (0.06) | 7.95 (0.03) | 7.81 (0.04) | ||||||||
| Mass | [M☉] | 0.536 (0.01) | 0.479 (0.01) | 0.534 (0.01) | 0.52 (0.02) | 0.524 | 0.565 (0.03) | 0.497 (0.02) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 1.0300 | 1.0300 (0.06) | 1.0220 | |||||||||||||
| 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] | 13.29 (0.1) | 13.25 (0.2) | 13.26 (0.2) | 13.25 (0.2) | 13.29 | 13.29 (0.1) | 13.25 (0.2) | |||||||||
| Distance | [pc] | 75.27 (0.7) | 75.47 (0.9) | 75.44 (0.9) | 75.44 (0.9) | 71.10 | 75.27 | 75.27 (0.7) | 75.44 (0.9) | ||||||||
| Composition | H | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -376.264604 (0.1) | -376.1648657 (0.2) | -376.265 (0.1) | -376.165 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -95.1695999 (0.1) | -95.44960198 (0.2) | -95.17 (0.1) | -95.45 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 17.10 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 17.00 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 16.81 (0.02) | 16.55 (0.1) | 16.55 (0.1) | 16.55 (0.1) | |||||||||||||
| H magnitude | 16.43 (0.3) | 16.43 (0.3) | 16.43 (0.3) | 16.43 (0.3) | |||||||||||||
| K magnitude | 16.41 (0.03) | 16.41 | |||||||||||||||
| u magnitude | 17.92 (0.01) | 17.92 (0.01) | 17.93 (0.01) | 17.92 (0.01) | 17.92 (0.01) | 17.94 (0.02) | |||||||||||
| g magnitude | 17.45 (0.005) | 17.45 (0.005) | 17.45 (0.005) | 17.45 (0.005) | 17.49 (0.03) | ||||||||||||
| r magnitude | 17.36 (0.005) | (0.005) | 17.37 (0.005) | 17.36 (0.005) | 17.36 (0.01) | ||||||||||||
| i magnitude | 17.36 (0.006) | 17.36 (0.006) | 17.38 (0.006) | 17.36 (0.006) | 17.36 (0.02) | ||||||||||||
| z magnitude | 17.43 (0.01) | 17.43 (0.01) | 17.46 (0.004) | 17.43 (0.01) | 17.43 (0.02) | ||||||||||||
| G magnitude | 17.32 (0.01) | 17.34 | 17.32 | 17.32 (0.003) | 17.34 | ||||||||||||
| BP magnitude | 17.47 (0.01) | 17.47 | 17.47 | ||||||||||||||
| RP magnitude | 17.06 (0.02) | 17.08 | 17.08 | ||||||||||||||
| Pan g magnitude | 17.47 (0.01) | 17.47 (0.01) | 17.47 (0.01) | ||||||||||||||
| Pan r magnitude | 17.37 (0.005) | 17.37 (0.005) | 17.37 (0.005) | ||||||||||||||
| Pan i magnitude | 17.38 (0.006) | 17.38 (0.006) | 17.38 (0.006) | ||||||||||||||
| Pan z magnitude | 17.46 (0.004) | 17.46 (0.004) | 17.46 (0.004) | ||||||||||||||
| Pan y magnitude | 17.52 (0.01) | 17.52 (0.01) | 17.52 (0.01) | ||||||||||||||
| E(B-V) | 0.002 | ||||||||||||||||
* 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.