All names: Gaia DR2 2295446546953958272, WDJ191647.11+804430.04, PM J19167+8044, Gaia EDR3 2295446546953958272, J1916+8044, 2MASS J19164717+8044301, USNO-B1.0 1707-00057538, PSO J289.1981+80.7423, Gaia DR3 2295446546953958272, LSPM J1916+8044, TIC 235901814, 19167+8044
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 19 16 47.59 (0.07) | 19 16 47.57 (0.1) | 19 16 47.57 (0.1) | 19 16 47.59 | 19 16 47.10 (0.07) | 19 16 47.57 | |||||||||
| Declination | 80 44 32.71 (0.08) | 80 44 32.63 (0.1) | 80 44 32.63 (0.1) | 80 44 32.71 | 80 44 30.04 (0.08) | 80 44 32.63 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 5293.0 (70) | 5346.0 (22) | 5286.3 (55) | 5320.0 (30) | 5340.0 | 5042.0 | 5040.0 (632) | 5384.0 (39) | ||||||
| log(g) | [cgs] | 8.05 (0.05) | 8.10 (0.01) | 8.06 (0.04) | 8.08 (0.02) | 8.09 | 7.89 | 8.00 (0.2) | 8.11 (0.02) | ||||||
| Mass | [M☉] | 0.615 (0.03) | 0.642 (0.009) | 0.634 (0.01) | 0.638 | 0.507 | 0.58 (0.1) | 0.65 (0.01) | |||||||
| log(Luminosity) | [L☉] | -4.03 | |||||||||||||
| Cooling age | [Gyr] | 4.9400 | 4.9640 (0.3) | 4.9190 | 4.6620 | ||||||||||
| 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] | 28.23 (0.08) | 28.23 (0.08) | 28.23 (0.1) | 28.23 (0.1) | 28.23 (0.1) | 28.23 (0.1) | 28.23 | 28.23 (0.08) | 28.23 (0.1) | |||||
| Distance | [pc] | 35.42 (0.1) | 35.42 (0.1) | 35.42 (0.2) | 35.43 (0.2) | 35.43 (0.2) | 35.43 (0.2) | 35.40 (7) | 35.42 | 35.42 (0.1) | 35.43 (0.2) | ||||
| Composition | H | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 72.74544225 (0.1) | 72.486 (0.2) | 73.0 | 72.745 (0.1) | 72.48581656 | |||||||||
| Proper motion (declination) | [mas/yr] | 166.7349807 (0.1) | 166.693 (0.2) | 167.0 | 166.735 (0.1) | 166.6929784 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 18.30 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 17.10 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.28 (0.1) | 16.28 (0.1) | 16.28 | 16.28 (0.1) | |||||||||||
| H magnitude | 16.07 (0.2) | 16.07 (0.2) | 16.07 | 16.07 (0.2) | |||||||||||
| K magnitude | 15.21 (0.03) | 15.21 | |||||||||||||
| u magnitude | |||||||||||||||
| g magnitude | 17.89 (0.006) | ||||||||||||||
| r magnitude | 17.38 (0.004) | ||||||||||||||
| i magnitude | 17.19 (0.003) | ||||||||||||||
| z magnitude | 17.14 (0.01) | ||||||||||||||
| G magnitude | 17.41 (0.01) | 17.43 | 17.43 | 17.41 | 17.41 (0.003) | 17.43 | |||||||||
| BP magnitude | 17.83 (0.01) | 17.85 | 17.85 | ||||||||||||
| RP magnitude | 16.84 (0.01) | 16.86 | 16.86 | ||||||||||||
| Pan g magnitude | 17.89 (0.005) | 17.89 (0.006) | 17.89 (0.006) | ||||||||||||
| Pan r magnitude | 17.38 (0.004) | 17.38 (0.004) | 17.38 (0.004) | ||||||||||||
| Pan i magnitude | 17.19 (0.003) | 17.19 (0.003) | 17.19 (0.003) | ||||||||||||
| Pan z magnitude | 17.14 (0.01) | 17.14 (0.01) | 17.14 (0.01) | ||||||||||||
| Pan y magnitude | 17.10 (0.01) | 17.10 (0.01) | 17.10 (0.01) | ||||||||||||
| E(B-V) | 0.003 | ||||||||||||||
* 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.