All names: Gaia DR3 4340322876499078400, LP 686-32, SDSS J165847.14-061709.5, 2MASS J16584700-0617087, SDSS J165847.15-061709.6, TIC 181808068, WD 1656-062, PSO J254.6970-06.2862, USNO-B1.0 0837-00307602, WDJ165847.03-061708.94, Gaia DR2 4340322876499078400, SDSS J165847.15-061709.5, J1658-0617, Gaia EDR3 4340322876499078400
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Bergeron et al. 2001 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 58 47.39 (0.07) | 16 58 47.38 (0.09) | 16 58 47.39 | 16 58 47.03 (0.07) | 16 58 47.38 | 16 58 45.82 | ||||||||||||
| Declination | -06 17 11.00 (0.03) | -06 17 10.94 (0.06) | -06 17 11.00 | -06 17 08.94 (0.03) | -06 17 10.94 | -06 17 00.24 | ||||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DC9 | DC9 | |||||||||
| Effective temperature | [K] | 5586.0 (14) | 5521.0 (42) | 5582.0 (13) | 5587.0 (14) | 5515.0 (30) | 5538.0 | 5256.0 | 5520.0 (100) | 5520.0 (100) | 5561.0 (24) | |||||||
| log(g) | [cgs] | 8.10 (0.006) | 8.06 (0.03) | 8.09 (0.007) | 8.10 (0.007) | 8.07 (0.02) | 8.07 | 7.89 | 8.03 (0.04) | 8.00 (0) | 8.07 (0.01) | |||||||
| Mass | [M☉] | 0.644 (0.006) | 0.62 (0.02) | 0.643 (0.006) | 0.646 (0.007) | 0.626 (0.01) | 0.631 | 0.505 | 0.6 (0.03) | 0.58 | 0.631 (0.009) | |||||||
| log(Luminosity) | [L☉] | -3.89 (0.03) | -3.87 | |||||||||||||||
| Cooling age | [Gyr] | 3.8300 | 3.6960 (0.2) | 3.6820 | 3.9080 | 3.3400 (0.4) | 3.4900 | |||||||||||
| 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] | 31.44 (0.09) | 31.44 (0.09) | 31.51 (0.1) | 31.51 (0.1) | 31.51 (0.1) | 30.70 (0.9) | 31.44 | 31.44 (0.09) | 31.51 (0.1) | 30.70 (1) | |||||||
| Distance | [pc] | 31.81 (0.09) | 31.81 (0.09) | 31.74 (0.1) | 31.74 (0.1) | 31.74 (0.1) | 32.57 (1) | 31.81 | 31.81 (0.09) | 31.74 (0.1) | 32.57 (1) | |||||||
| Composition | H | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 334.9017159 (0.1) | 334.697526 (0.2) | 334.902 (0.1) | 334.697526 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -129.0998745 (0.08) | -128.998384 (0.1) | -129.1 (0.07) | -128.998384 | |||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 17.93 | 17.93 | 17.20 | |||||||||||||||
| V magnitude | 17.14 | 17.14 | 16.80 | |||||||||||||||
| R magnitude | 16.80 | 16.80 | 16.60 | |||||||||||||||
| I magnitude | 16.42 | 16.42 | ||||||||||||||||
| J magnitude | 15.81 (0.07) | 15.81 (0.07) | 15.89 | 15.89 | 15.81 (0.07) | |||||||||||||
| H magnitude | 15.57 (0.1) | 15.57 (0.1) | 15.64 | 15.64 | 15.57 (0.1) | |||||||||||||
| K magnitude | 15.43 (0.2) | 15.43 (0.2) | 15.56 | 15.56 | 15.43 (0.2) | |||||||||||||
| u magnitude | 18.59 (0.02) | 18.59 (0.02) | 18.59 (0.02) | |||||||||||||||
| g magnitude | 17.40 (0.003) | 17.45 (0.005) | ||||||||||||||||
| r magnitude | 16.97 (0.003) | 16.95 (0.005) | ||||||||||||||||
| i magnitude | 16.79 (0.004) | 16.78 (0.005) | ||||||||||||||||
| z magnitude | 16.73 (0.004) | 16.70 (0.01) | ||||||||||||||||
| G magnitude | 16.98 (0.006) | 16.99 | 16.98 | 16.98 (0.003) | 16.99 | |||||||||||||
| BP magnitude | 17.35 (0.006) | 17.36 | 17.36 | |||||||||||||||
| RP magnitude | 16.44 (0.004) | 16.45 | 16.45 | |||||||||||||||
| Pan g magnitude | 17.40 (0.003) | 17.40 (0.003) | 17.40 (0.003) | |||||||||||||||
| Pan r magnitude | 16.97 (0.003) | 16.97 (0.003) | 16.97 (0.003) | |||||||||||||||
| Pan i magnitude | 16.79 (0.003) | 16.79 (0.004) | 16.79 (0.004) | |||||||||||||||
| Pan z magnitude | 16.73 (0.004) | 16.73 (0.004) | 16.73 (0.004) | |||||||||||||||
| Pan y magnitude | 16.74 (0.01) | 16.74 (0.01) | 16.74 (0.01) | |||||||||||||||
| E(B-V) | 0.001 | |||||||||||||||||
* 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.