All names: GEN# +6.00205102, WISE J084747.31-731249.1, Gaia DR2 5220278009486912896, WISEA J084747.31-731249.0, Gaia EDR3 5220278009486912896, TIC 287976476, 2MASS J08474733-7312498, BPM 5102, uvby98 600205102, WD 0848-730, L 63-60, WDJ084747.35-731249.75, Gaia DR3 5220278009486912896, UCAC4 084-015957
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 47 46.95 (0.03) | 08 47 46.96 (0.05) | 08 47 46.95 | 08 47 47.35 (0.03) | 08 47 46.96 | 08 47 55.99 | |||
| Declination | -73 12 48.78 (0.03) | -73 12 48.81 (0.05) | -73 12 48.78 | -73 12 49.75 (0.03) | -73 12 48.81 | -73 13 10.92 | |||
| Spectral type | DA | DA | DA2.8 | DA2 | |||||
| Effective temperature | [K] | 18180.0 (267) | 17050.0 (184) | ||||||
| log(g) | [cgs] | 7.87 (0.04) | 7.88 (0.01) | ||||||
| Mass | [M☉] | 0.55 (0.02) | 0.551 (0.007) | ||||||
| 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] | 13.35 (0.03) | 13.32 (0.05) | 13.35 | 13.35 (0.03) | 13.32 (0.05) | |||
| Distance | [pc] | 74.91 (0.2) | 75.06 (0.3) | 81.00 | 74.91 | 74.91 (0.2) | 75.06 (0.3) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -109.1480535 (0.04) | -109.2202563 (0.1) | -109.148 (0.04) | -109.2202563 | ||||
| Proper motion (declination) | [mas/yr] | 60.42031902 (0.03) | 60.55479156 (0.1) | 60.42 (0.03) | 60.55479156 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.22 (0.08) | ||||||||
| V magnitude | 15.26 (0.05) | ||||||||
| R magnitude | 15.67 (0.07) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.65 (0.07) | ||||||||
| H magnitude | 15.68 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | 15.13 (0.03) | ||||||||
| r magnitude | 15.40 (0.08) | ||||||||
| i magnitude | 15.79 (0.01) | ||||||||
| z magnitude | |||||||||
| G magnitude | 15.27 (0.002) | 15.29 | 15.27 | 15.27 (0.003) | 15.29 | ||||
| BP magnitude | 15.21 (0.002) | 15.19 | 15.19 | ||||||
| RP magnitude | 15.42 (0.002) | 15.42 | 15.42 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.005 | ||||||||
* 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.