All names: J1107+4059, LP 214-38, LSPM J1107+4059S, SDSS J110759.45+405910.8, SDSS J110759.46+405910.8, 2MASS J11075956+4059105, USNO-B1.0 1309-00220051, Gaia EDR3 777512951728187392, TIC 9376619, Gaia DR2 777512951728187392, GALEX J110759.5+405913, Gaia DR3 777512951728187392, WD 1105+412, NLTT 26368, SDSS J110759.46+405910.9, WDJ110759.53+405910.78
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Coutu et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Koester et al. 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 07 59.22 (0.06) | 11 07 59.46 | 11 07 59.53 | 11 07 59.23 (0.08) | 11 07 59.22 | 11 07 59.53 (0.06) | 11 07 59.23 | 11 07 59.23 | 11 07 59.46 | ||||||||
| Declination | 40 59 11.00 (0.06) | 40 59 10.83 | 40 59 10.78 | 40 59 10.99 (0.1) | 40 59 11.00 | 40 59 10.77 (0.06) | 40 59 10.99 | 40 59 44.88 | 40 59 10.86 | ||||||||
| Spectral type | DQ | DQ | DQ | DQ | DQ | DQ | DC: | DQ | DQ | ||||||||
| Effective temperature | [K] | 6853.0 (33) | 7077.0 (132) | 7202.0 | 6952.0 | 7169.0 | 6956.0 (53) | 10080.0 (2) | |||||||||
| log(g) | [cgs] | 7.88 (0.01) | 7.99 | 8.05 | 7.95 | 8.00 (0) | 7.92 (0.01) | 9.89 (0.2) | |||||||||
| Mass | [M☉] | 0.503 (0.01) | 0.5684 | 0.623 | 0.542 | 0.527 (0.01) | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 1.4600 | 1.4900 | 1.5100 | 1.4650 | ||||||||||||
| log(H/He) | |||||||||||||||||
| log(C/He) | -6.67 | -6.459 (0.04) | -6.45 (0.02) | ||||||||||||||
| 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] | 18.39 (0.08) | 18.40 (0.2) | 18.40 | 18.40 (0.2) | 18.39 | 18.39 (0.08) | 18.40 (0.2) | |||||||||
| Distance | [pc] | 54.38 (0.2) | 54.35 (0.6) | 54.34 (0.6) | 54.34 (0.6) | 54.38 | 54.38 (0.2) | 54.34 (0.6) | |||||||||
| Composition | He | He | He | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -224.7505658 (0.07) | -224.6607894 (0.2) | -224.751 (0.07) | -224.661 | ||||||||||||
| Proper motion (declination) | [mas/yr] | 13.98525128 (0.07) | 13.76648183 (0.2) | 13.985 (0.07) | 13.766 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | yes | ||||||||||||||||
| B magnitude | 17.08 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 14.00 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 16.63 (0.02) | 16.15 (0.1) | |||||||||||||||
| H magnitude | |||||||||||||||||
| K magnitude | |||||||||||||||||
| u magnitude | 17.71 (0.01) | 17.71 (0.01) | 17.71 (0.01) | 17.71 (0.01) | 17.67 (0.02) | ||||||||||||
| g magnitude | 17.28 (0.005) | 17.28 (0.005) | 17.28 (0.005) | 17.26 (0.01) | |||||||||||||
| r magnitude | 17.13 (0.005) | 17.12 (0.005) | 17.12 (0.005) | 17.13 (0.02) | |||||||||||||
| i magnitude | 17.14 (0.006) | 17.14 (0.006) | 17.14 (0.006) | 17.16 (0.02) | |||||||||||||
| z magnitude | 17.26 (0.01) | 17.26 (0.01) | 17.26 (0.01) | 17.25 (0.02) | |||||||||||||
| G magnitude | 17.08 (0.01) | 17.10 | 17.08 | 17.08 (0.003) | 17.10 | ||||||||||||
| BP magnitude | 17.22 (0.01) | 17.20 | 17.20 | ||||||||||||||
| RP magnitude | 16.80 (0.01) | 16.81 | 16.81 | ||||||||||||||
| Pan g magnitude | 17.23 (0.009) | 17.23 (0.009) | |||||||||||||||
| Pan r magnitude | 17.10 (0.008) | 17.10 (0.007) | |||||||||||||||
| Pan i magnitude | 17.11 (0.006) | 17.11 (0.004) | |||||||||||||||
| Pan z magnitude | 17.14 (0.005) | 17.14 (0.005) | |||||||||||||||
| Pan y magnitude | 17.15 (0.02) | 17.15 (0.02) | |||||||||||||||
| 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.