All names: WIRED J075959.56+433521.2, USNO-B1.0 1335-00193822, CNS5 1977, LSPM J0759+4335, 2MASS J07595959+4335209, Gaia EDR3 923023248261420672, 07599+4335, TIC 141117787, WD 0756+43, G 111-49, Gaia DR2 923023248261420672, WD 0756+437, EGGR 428, WDJ075959.58+433521.10, J0759+4335, SDSS J075959.56+433521.3, SDSS J075959.56+433521.2, SDSS J075959.56+433521.1, NLTT 18746, SDSS J075959.57+433521.1, GEN# +9.80111049, Gaia DR3 923023248261420672, PM J07599+4335
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Ferrario et al. 2015 | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 59 59.14 (0.04) | 07 59 59.57 | 07 59 59.16 (0.05) | 07 59 59.16 (0.05) | 07 59 59.14 | 07 59 59.58 (0.04) | 07 59 59.16 | 07 59 59.56 | 08 00 01.18 | 07 59 59.56 | ||||||||||
| Declination | 43 35 23.68 (0.04) | 43 35 21.15 | 43 35 23.60 (0.05) | 43 35 23.60 (0.05) | 43 35 23.68 | 43 35 21.10 (0.04) | 43 35 23.60 | 43 35 21.24 | 43 35 09.60 | 43 35 21.26 | ||||||||||
| Spectral type | DCP | DCP | DCP | DA | DC | DC | DAH | DC | DAH | DC?P6 | DAH: | DC | ||||||||
| Effective temperature | [K] | 7215.0 (72) | 6520.0 (17) | 6802.1 (43) | 6841.0 | 6546.0 | 8500.0 (500) | 6910.0 (307) | 6633.0 (73) | 10080.0 (2) | 10080.0 (2) | |||||||||
| log(g) | [cgs] | 8.70 (0.02) | 8.41 (0.004) | 8.52 (0.02) | 8.60 | 8.48 | 8.00 (0) | 8.55 (0.01) | 8.42 (0.3) | 9.85 (0.3) | ||||||||||
| Mass | [M☉] | 1.038 (0.01) | 0.838 (0.004) | 0.976 | 0.89 | 0.58 (0.1) | 0.934 (0.01) | |||||||||||||
| log(Luminosity) | [L☉] | -3.49 | ||||||||||||||||||
| Cooling age | [Gyr] | 4.0400 | 4.2570 | 4.2690 | ||||||||||||||||
| log(H/He) | -3.2 | |||||||||||||||||||
| log(C/He) | ||||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||||
| log(Ca/H) | ||||||||||||||||||||
| log(N/He) | ||||||||||||||||||||
| log(O/He) | ||||||||||||||||||||
| log(Na/He) | ||||||||||||||||||||
| log(Mg/He) | ||||||||||||||||||||
| log(Al/He) | ||||||||||||||||||||
| log(Si/He) | ||||||||||||||||||||
| log(P/He) | ||||||||||||||||||||
| log(S/He) | ||||||||||||||||||||
| log(Cl/He) | ||||||||||||||||||||
| log(Sc/He) | ||||||||||||||||||||
| log(Ti/He) | ||||||||||||||||||||
| log(V/He) | ||||||||||||||||||||
| log(Cr/He) | ||||||||||||||||||||
| log(Mn/He) | ||||||||||||||||||||
| log(Fe/He) | ||||||||||||||||||||
| log(Co/He) | ||||||||||||||||||||
| log(Ni/He) | ||||||||||||||||||||
| log(Cu/He) | ||||||||||||||||||||
| log(Zn/He) | ||||||||||||||||||||
| log(Ga/He) | ||||||||||||||||||||
| log(Ge/He) | ||||||||||||||||||||
| log(Sr/He) | ||||||||||||||||||||
| Parallax | [mas] | 45.54 (0.05) | 45.54 (0.05) | 45.60 (0.08) | 45.60 (0.08) | 45.60 (0.08) | 45.54 | 45.54 (0.05) | 45.60 (0.08) | |||||||||||
| Distance | [pc] | 21.96 (0.02) | 21.96 (0.02) | 21.93 (0.04) | 21.93 (0.04) | 21.93 (0.04) | 32.50 (6) | 21.96 | 21.96 (0.02) | 21.93 (0.04) | ||||||||||
| Composition | He | He | He | |||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -297.2652046 (0.05) | -297.3067624 (0.1) | -297.265 (0.05) | -297.307 | -294.4 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | 161.2995185 (0.04) | 161.2309661 (0.07) | 161.3 (0.04) | 161.231 | 163.6 | ||||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | yes | yes | yes | |||||||||||||||||
| Bd | [MG] | 200 (110) | ||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | 16.39 | |||||||||||||||||||
| V magnitude | ||||||||||||||||||||
| R magnitude | 16.00 | |||||||||||||||||||
| I magnitude | ||||||||||||||||||||
| J magnitude | 15.43 (0.01) | 15.39 (0.04) | ||||||||||||||||||
| H magnitude | 15.23 (0.06) | 15.23 (0.06) | ||||||||||||||||||
| K magnitude | 15.34 (0.1) | 15.34 (0.1) | ||||||||||||||||||
| u magnitude | 16.75 (0.006) | 16.73 (0.007) | 16.75 (0.006) | 16.72 (0.007) | 16.77 (0.02) | 16.76 | 16.74 (0.02) | |||||||||||||
| g magnitude | 16.19 (0.003) | 16.19 (0.003) | 16.21 (0.004) | 16.20 (0.02) | 16.19 | 16.19 (0.02) | ||||||||||||||
| r magnitude | 16.22 (0.004) | 16.22 (0.004) | 16.23 (0.004) | 16.23 (0.01) | 16.22 | 16.22 (0.01) | ||||||||||||||
| i magnitude | 16.20 (0.004) | 16.20 (0.004) | 16.19 (0.004) | 16.20 (0.02) | 16.19 | 16.20 (0.02) | ||||||||||||||
| z magnitude | 16.07 (0.007) | 16.07 (0.007) | 16.06 (0.007) | 16.10 (0.01) | 16.09 | 16.09 (0.02) | ||||||||||||||
| G magnitude | 16.14 (0.005) | 16.15 | 16.15 | 16.14 | 16.14 (0.003) | 16.15 | ||||||||||||||
| BP magnitude | 16.30 (0.005) | 16.29 | 16.29 | |||||||||||||||||
| RP magnitude | 15.82 (0.003) | 15.82 | 15.82 | |||||||||||||||||
| Pan g magnitude | 16.29 (0.005) | 16.27 (0.004) | ||||||||||||||||||
| Pan r magnitude | 16.27 (0.004) | 16.26 (0.003) | ||||||||||||||||||
| Pan i magnitude | 16.20 (0.005) | 16.19 (0.003) | ||||||||||||||||||
| Pan z magnitude | 16.10 (0.006) | 16.10 (0.002) | ||||||||||||||||||
| Pan y magnitude | 16.12 (0.006) | 16.12 (0.007) | ||||||||||||||||||
| 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.