All names: LBQS 1232+1335, WD 1232+135, UCAC4 517-053917, A3 463, WISE J123459.33+131903.5, SDSS J123459.31+131902.35, ** SKF 1852, Gaia EDR3 3931881176091866624, 2MASS J12345931+1319034, WISEA J123459.32+131903.4, WDS J12350+1319AB, Gaia DR2 3931881176091866624, TIC 87549790, SDSS J123459.31+131903.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 34 59.33 (0.06) | 12 34 59.32 | 12 34 59.32 | 12 34 59.33 (0.08) | 12 34 59.30 (182) | 12 34 58.42 | |||||
| Declination | 13 19 03.26 (0.05) | 13 19 03.33 | 13 19 03.33 | 13 19 03.27 (0.06) | 13 19 03.16 (168) | 13 19 04.80 | |||||
| Spectral type | DA+M | DA+M2 | DA+M2 | DA+dM | |||||||
| Effective temperature | [K] | 32368.0 (200) | 32972.0 (141) | ||||||||
| log(g) | [cgs] | 7.77 (0.04) | 8.11 (0.05) | ||||||||
| Mass | [M☉] | 0.54 (0.02) | 0.705 (0.02) | ||||||||
| log(Luminosity) | [L☉] | -0.61 (0.03) | |||||||||
| Cooling age | [Gyr] | 0.0068 (0.0002) | |||||||||
| 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] | 2.85 (0.07) | 2.85 (0.1) | ||||||||
| Distance | [pc] | 350.43 (9) | 351.06 (13) | ||||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 13.8170431 (0.09) | 13.99027642 (0.2) | 21.2 (6) | |||||||
| Proper motion (declination) | [mas/yr] | -14.75764133 (0.08) | -14.78758929 (0.1) | -10.9 (6) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | yes | ||||||||||
| B magnitude | 16.99 (0.09) | ||||||||||
| V magnitude | 16.74 (0.2) | ||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.20 (0.03) | ||||||||||
| H magnitude | 13.50 (0.03) | ||||||||||
| K magnitude | 13.31 (0.03) | ||||||||||
| u magnitude | 16.82 (0.007) | 16.82 (0.007) | 16.75 (0.02) | ||||||||
| g magnitude | 16.76 (0.004) | 16.76 (0.004) | 16.93 (0.02) | ||||||||
| r magnitude | 16.41 (0.004) | 16.41 (0.004) | 16.71 (0.02) | ||||||||
| i magnitude | 15.80 (0.004) | 15.80 (0.004) | 15.89 (0.02) | ||||||||
| z magnitude | 15.41 (0.006) | 15.40 (0.006) | 15.41 (0.03) | ||||||||
| G magnitude | 16.56 (0.03) | 16.57 | |||||||||
| BP magnitude | 16.73 (0.03) | 16.65 | |||||||||
| RP magnitude | 15.40 (0.004) | 15.42 | |||||||||
| Pan g magnitude | 16.92 (0.01) | ||||||||||
| Pan r magnitude | 16.60 (0.02) | ||||||||||
| Pan i magnitude | 15.88 (0.006) | ||||||||||
| Pan z magnitude | 15.51 (0.007) | ||||||||||
| Pan y magnitude | 15.28 (0.003) | ||||||||||
| E(B-V) | 0.026 | ||||||||||
* 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.