All names: NLTT 42988, WDJ162838.60+705321.70, LP 43-49, PM J16286+7053, USNO-B1.0 1608-00110311, 16286+7053, J1628+7053, LSPM J1628+7053, Gaia EDR3 1653044367185115264, TIC 230088036, Gaia DR2 1653044367185115264, 2MASS J16283860+7053219, Gaia DR3 1653044367185115264, PSO J247.1608+70.8879
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 28 38.60 (0.07) | 16 28 38.60 (0.09) | 16 28 38.60 (0.09) | 16 28 38.60 | 16 28 38.60 (0.07) | 16 28 38.60 | |||||||
| Declination | 70 53 14.39 (0.06) | 70 53 14.61 (0.09) | 70 53 14.61 (0.09) | 70 53 14.39 | 70 53 21.70 (0.06) | 70 53 14.61 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DC: | DA | ||||||
| Effective temperature | [K] | 4903.0 (44) | 4894.0 (36) | 4847.6 (38) | 4935.0 (45) | 4790.0 (918) | 4965.0 (38) | ||||||
| log(g) | [cgs] | 7.98 (0.04) | 7.96 (0.02) | 7.95 (0.03) | 8.01 (0.03) | 8.00 (0) | 8.03 (0.02) | ||||||
| Mass | [M☉] | 0.569 (0.02) | 0.555 (0.01) | 0.586 (0.02) | 0.58 (0.1) | 0.6 (0.02) | |||||||
| log(Luminosity) | [L☉] | -4.12 | |||||||||||
| Cooling age | [Gyr] | 6.0500 | 6.1210 (0.4) | ||||||||||
| 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] | 30.57 (0.07) | 30.57 (0.07) | 30.40 (0.1) | 30.40 (0.1) | 30.40 (0.1) | 30.40 (0.1) | 30.57 | 30.57 (0.07) | 30.40 (0.1) | |||
| Distance | [pc] | 32.71 (0.07) | 32.71 (0.07) | 32.89 (0.1) | 32.89 (0.1) | 32.89 (0.1) | 32.89 (0.1) | 31.70 (11) | 32.71 | 32.71 (0.07) | 32.89 (0.1) | ||
| Composition | H | H | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -1.466082865 (0.09) | -1.295591693 (0.2) | -2.0 | -1.466 (0.09) | -1.295591693 | |||||||
| Proper motion (declination) | [mas/yr] | -456.883612 (0.08) | -457.1336868 (0.2) | -462.0 | -456.884 (0.08) | -457.1336868 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.80 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 17.60 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.10 (0.1) | 16.10 (0.1) | 16.10 | 16.10 (0.1) | |||||||||
| H magnitude | 15.85 (0.2) | 15.85 (0.2) | 15.85 | 15.85 (0.2) | |||||||||
| K magnitude | 15.63 (0.03) | 15.63 | |||||||||||
| u magnitude | |||||||||||||
| g magnitude | 18.10 (0.02) | ||||||||||||
| r magnitude | 17.49 (0.006) | ||||||||||||
| i magnitude | 17.22 (0.006) | ||||||||||||
| z magnitude | 17.14 (0.006) | ||||||||||||
| G magnitude | 17.52 (0.008) | 17.54 | 17.54 | 17.52 | 17.52 (0.003) | 17.54 | |||||||
| BP magnitude | 18.03 (0.008) | 18.05 | 18.05 | ||||||||||
| RP magnitude | 16.88 (0.006) | 16.89 | 16.89 | ||||||||||
| Pan g magnitude | 18.10 (0.02) | 18.10 (0.02) | 18.10 (0.02) | ||||||||||
| Pan r magnitude | 17.49 (0.006) | 17.49 (0.006) | 17.50 (0.006) | ||||||||||
| Pan i magnitude | 17.22 (0.006) | 17.22 (0.006) | 17.22 (0.006) | ||||||||||
| Pan z magnitude | 17.14 (0.007) | 17.14 (0.006) | 17.14 (0.006) | ||||||||||
| Pan y magnitude | 17.08 (0.01) | 17.08 (0.01) | 17.08 (0.01) | ||||||||||
| 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.