All names: Gaia DR3 710357702083176064, LAMOST J084416.36+332915.0, Gaia EDR3 710357702083176064, CBS 83, GALEX J084416.3+332915, SDSS J084416.36+332914.8, WISEA J084416.43+332914.6, WISE J084416.40+332914.0, KUV 08411+3340, Gaia DR2 710357702083176064, Ton 946, UCAC4 618-045472, LAMOST J084416.38+332915.5, WD 0841+336
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 44 16.36 (0.05) | 08 44 16.36 (0.07) | 08 44 16.36 | 08 44 16.36 (0.05) | 08 44 16.37 | ||||
| Declination | 33 29 14.96 (0.03) | 33 29 14.96 (0.05) | 33 29 14.96 | 33 29 14.95 (0.03) | 33 29 24.72 | ||||
| Spectral type | DAZ | DA | DA | DA2 | DA | ||||
| Effective temperature | [K] | 25502.0 (241) | 25290.0 (475) | 24275.0 (372) | |||||
| log(g) | [cgs] | 8.19 (0.03) | 8.10 (0.06) | 8.19 (0.02) | |||||
| Mass | [M☉] | 0.75 (0.02) | 0.69 (0.04) | 0.741 (0.01) | |||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| 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] | 7.49 (0.06) | 7.39 (0.1) | 7.49 | 7.49 (0.06) | ||||
| Distance | [pc] | 133.45 (1) | 135.29 (2) | 174.00 | 133.45 | 133.45 (1) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 4.119512102 (0.06) | 3.949726241 (0.1) | 4.12 (0.06) | |||||
| Proper motion (declination) | [mas/yr] | 0.66932853 (0.05) | 0.700021302 (0.1) | 0.669 (0.05) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.34 (0.06) | ||||||||
| V magnitude | 16.54 (0.07) | ||||||||
| R magnitude | 16.06 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.00 (0.005) | ||||||||
| g magnitude | 16.13 (0.003) | ||||||||
| r magnitude | 16.55 (0.004) | ||||||||
| i magnitude | 16.87 (0.005) | ||||||||
| z magnitude | 17.11 (0.01) | ||||||||
| G magnitude | 16.35 (0.003) | 16.38 | 16.35 | 16.35 (0.003) | |||||
| BP magnitude | 16.25 (0.003) | 16.21 | |||||||
| RP magnitude | 16.57 (0.006) | 16.57 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.006 | ||||||||
* 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.