All names: J1341-3124, CE 354, NLTT 34879, LP 911-74, USNO-B1.0 0585-00305803, Gaia DR3 6174669289396761088, Ruiz 445-271, Gaia DR2 6174669289396761088, Gaia EDR3 6174669289396761088, ESO 445-271, WDJ134125.86-312449.80, GALEX J134125.7-312450, WD 1338-311
| Parameter | Unit | Gaia EDR3 | Coutu et al. 2019 | Gaia DR2 | Stilism | Dufour et al. 2007 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 41 25.62 (0.08) | 13 41 25.93 | 13 41 25.63 (0.1) | 13 41 25.62 | 13 41 25.86 (0.08) | 13 41 25.63 | 13 41 25.92 | ||||
| Declination | -31 24 50.43 (0.08) | -31 24 50.69 | -31 24 50.41 (0.2) | -31 24 50.43 | -31 24 49.79 (0.08) | -31 24 50.41 | -31 24 44.64 | ||||
| Spectral type | DZ | DZ | DZ | DZ | DZ | DZ | |||||
| Effective temperature | [K] | 7935.0 (463) | 8210.0 (460) | 8690.0 (490) | 8244.0 (119) | ||||||
| log(g) | [cgs] | 8.01 | 8.00 (0) | 8.08 (0.02) | |||||||
| Mass | [M☉] | 0.5808 | 0.58 | 0.625 (0.02) | |||||||
| log(Luminosity) | [L☉] | -3.09 | |||||||||
| Cooling age | [Gyr] | 1.1500 | 1.2100 | ||||||||
| log(H/He) | <-4.56 | <-4.0 | |||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | -10.39 (0.05) | -10.03 (0.02) | |||||||||
| 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] | 14.41 (0.1) | 14.75 | 14.75 (0.2) | 14.41 | 14.41 (0.1) | 14.75 (0.2) | ||||
| Distance | [pc] | 69.39 (0.5) | 67.77 (0.9) | 67.77 (0.9) | 69.39 | 69.39 (0.5) | 67.77 (0.9) | ||||
| Composition | He | He | He | ||||||||
| Proper motion (right ascension) | [mas/yr] | -194.2698534 (0.1) | -194.5177255 (0.3) | -194.27 (0.1) | -194.5177255 | ||||||
| Proper motion (declination) | [mas/yr] | -39.58377181 (0.1) | -39.16660255 (0.2) | -39.584 (0.1) | -39.16660255 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 17.42 | ||||||||||
| V magnitude | 17.25 | ||||||||||
| R magnitude | 17.11 | ||||||||||
| I magnitude | 16.94 | ||||||||||
| J magnitude | 17.03 | ||||||||||
| H magnitude | 16.99 | ||||||||||
| K magnitude | 17.06 | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 17.19 (0.007) | 17.22 | 17.19 | 17.19 (0.003) | 17.22 | ||||||
| BP magnitude | 17.27 (0.007) | 17.26 | 17.26 | ||||||||
| RP magnitude | 17.07 (0.009) | 17.06 | 17.06 | ||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| 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.