All names: J0941+0901, WDJ094115.18+090154.82, SDSS J094115.19+090154.5, TIC 469018397, Gaia DR3 588332900903805824, SDSS J094115.18+090154.4, WD 0938+092, Gaia EDR3 588332900903805824, 2MASS J09411519+0901549, Gaia DR2 588332900903805824
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Coutu et al. 2019 | Gaia DR2 | Stilism | Koester et al. 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 41 15.19 (0.06) | 09 41 15.19 | 09 41 15.18 | 09 41 15.19 (0.1) | 09 41 15.19 | 09 41 15.18 (0.06) | 09 41 15.19 | 09 41 14.93 | ||||||
| Declination | 09 01 53.05 (0.05) | 09 01 54.50 | 09 01 54.82 | 09 01 53.10 (0.07) | 09 01 53.05 | 09 01 54.82 (0.05) | 09 01 53.10 | 09 01 49.44 | ||||||
| Spectral type | DQ | DQ | DQ | DQ | DQ | DQ5.5 | DQ | |||||||
| Effective temperature | [K] | 8634.0 (33) | 8550.0 (200) | 9122.0 | 8522.0 (58) | |||||||||
| log(g) | [cgs] | 7.35 (0.01) | 7.32 | 8.00 (0) | 7.32 (0.01) | |||||||||
| Mass | [M☉] | 0.28 (0.006) | 0.2705 | 0.271 (0.006) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.4500 | 0.4890 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | -5.17 | -5.2376 (0.08) | -4.73 (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] | 11.17 (0.08) | 11.17 (0.1) | 11.17 | 11.17 (0.1) | 11.17 | 11.17 (0.08) | 11.17 (0.1) | ||||||
| Distance | [pc] | 89.53 (0.6) | 89.53 (1) | 89.50 (1) | 89.50 (1) | 89.53 | 89.53 (0.6) | 89.50 (1) | ||||||
| Composition | He | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 3.90632952 (0.08) | 4.203544495 (0.2) | 3.906 (0.08) | 4.203544495 | |||||||||
| Proper motion (declination) | [mas/yr] | -110.4591641 (0.06) | -110.5562828 (0.1) | -110.459 (0.06) | -110.5562828 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.49 | |||||||||||||
| V magnitude | 16.78 | |||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.68 (0.01) | 16.66 (0.1) | ||||||||||||
| H magnitude | 16.59 (0.02) | |||||||||||||
| K magnitude | 16.60 (0.04) | |||||||||||||
| u magnitude | 16.99 (0.007) | 16.96 (0.007) | 16.99 (0.007) | 16.99 (0.007) | ||||||||||
| g magnitude | 16.75 (0.004) | 16.75 (0.004) | 16.75 (0.004) | |||||||||||
| r magnitude | 16.82 (0.004) | 16.82 (0.004) | 16.82 (0.004) | |||||||||||
| i magnitude | 16.95 (0.005) | 16.95 (0.005) | 16.95 (0.005) | |||||||||||
| z magnitude | 17.09 (0.01) | 17.09 (0.01) | 17.09 (0.01) | |||||||||||
| G magnitude | 16.76 (0.007) | 16.79 | 16.76 | 16.76 (0.003) | 16.79 | |||||||||
| BP magnitude | 16.82 (0.007) | 16.80 | 16.80 | |||||||||||
| RP magnitude | 16.63 (0.006) | 16.64 | 16.64 | |||||||||||
| Pan g magnitude | 16.80 (0.004) | 16.80 (0.004) | ||||||||||||
| Pan r magnitude | 16.84 (0.003) | 16.84 (0.003) | ||||||||||||
| Pan i magnitude | 16.97 (0.004) | 16.97 (0.004) | ||||||||||||
| Pan z magnitude | 17.10 (0.004) | 17.10 (0.004) | ||||||||||||
| Pan y magnitude | 17.20 (0.008) | 17.20 (0.007) | ||||||||||||
| E(B-V) | 0.004 | |||||||||||||
* 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.