All names: LSPM J1137+2041, TIC 198283313, WD 1134+209, 2MASS J11372846+2041097, SDSS J113728.31+204109.4, PSO J174.3672+20.6857, WIRED J113728.31+204109.4, Gaia EDR3 3979070527235441792, J1137+2041, Gaia DR2 3979070527235441792, LP 375-3, WDJ113728.45+204109.91, Gaia DR3 3979070527235441792, GALEX J113728.3+204109, USNO-B1.0 1106-00200212, NLTT 28019
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2026b | 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 | DA | DA5.5 | DA5.5 | DA | DA5.5 | DA | DA | DA | ||||||
| Effective temperature | [K] | 7757.0 (60) | 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] | 7.91 (0.02) | 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☉] | 0.54 (0.01) | 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(Li/H) | ||||||||||||||||||
| log(Be/H) | ||||||||||||||||||
| log(B/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(Cl/H) | ||||||||||||||||||
| log(K/H) | ||||||||||||||||||
| log(Sc/H) | ||||||||||||||||||
| log(Ti/H) | ||||||||||||||||||
| log(V/H) | ||||||||||||||||||
| log(Cr/H) | ||||||||||||||||||
| log(Mn/H) | ||||||||||||||||||
| log(Fe/H) | ||||||||||||||||||
| log(Co/H) | ||||||||||||||||||
| log(Ni/H) | ||||||||||||||||||
| log(Cu/H) | ||||||||||||||||||
| log(Sr/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 | 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.