All names: LEP0816-4641, 081630.14-464113.24, Gaia EDR3 5516345223493485952, 2MASS J08163010-4641133, WDJ081630.14-464113.24, Gaia DR2 5516345223493485952, CNS5 2054, Gaia DR3 5516345223493485952
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Subasavage et al. 2022 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 16 30.74 (0.05) | 08 16 30.72 | 08 16 30.74 | 08 16 30.14 (0.05) | 08 16 30.72 | |||||
| Declination | -46 41 09.88 (0.06) | -46 41 09.99 | -46 41 09.88 | -46 41 13.24 (0.06) | -46 41 09.99 | |||||
| Spectral type | DC | DC | DC | DC: | DC | |||||
| Effective temperature | [K] | 4236.0 (35) | 4240.0 (40) | 4353.0 (68) | 4393.0 (26) | |||||
| log(g) | [cgs] | 7.78 (0.03) | 7.78 (0.03) | 7.95 (0.04) | 7.88 (0.01) | |||||
| Mass | [M☉] | 0.463 (0.01) | 0.547 (0.04) | 0.509 (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] | 43.48 (0.06) | 43.48 (0.06) | 43.48 (0.06) | 43.42 (0.07) | 43.42 (0.07) | 43.48 | 43.48 (0.06) | 43.42 (0.07) | |
| Distance | [pc] | 23.00 (0.03) | 23.00 (0.03) | 23.00 (0.03) | 23.03 (0.04) | 23.03 (0.04) | 23.00 | 23.00 (0.03) | 23.03 (0.04) | |
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 386.6694567 (0.06) | 386.6695305 (0.1) | 386.669 (0.06) | 386.6695305 | |||||
| Proper motion (declination) | [mas/yr] | 209.9746119 (0.08) | 209.9797548 (0.1) | 209.975 (0.07) | 209.9797548 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 18.83 | |||||||||
| V magnitude | 17.62 | |||||||||
| R magnitude | 16.97 | |||||||||
| I magnitude | 16.36 | |||||||||
| J magnitude | 15.68 | 15.68 (0.07) | ||||||||
| H magnitude | 15.59 | 15.59 (0.1) | ||||||||
| K magnitude | 14.91 | |||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 17.14 (0.006) | 17.16 | 17.14 | 17.14 (0.003) | 17.16 | |||||
| BP magnitude | 17.79 (0.006) | 17.80 | 17.80 | |||||||
| RP magnitude | 16.38 (0.003) | 16.38 | 16.38 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| 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.