All names: KUV 16268+4055, Gaia EDR3 1333000210495500672, PG 1626+409, LAMOST J162830.50+404836.7, SDSS J162830.47+404837.1, 2MASS J16283049+4048372, SDSS J162830.44+404837.73, GALEX J162830.4+404836, SDSS J162830.44+404837.7, WD 1626+409, SDSS J162830.47+404837.2, Gaia DR3 1333000210495500672, SDSS J162830.48+404837.2, TIC 255909213, Gaia DR2 1333000210495500672
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 28 30.43 (0.03) | 16 28 30.48 | 16 28 30.48 | 16 28 30.43 (0.05) | 16 28 30.43 | 16 28 30.49 (0.03) | 16 28 29.62 | |||||||
| Declination | 40 48 37.83 (0.04) | 40 48 37.27 | 40 48 37.27 | 40 48 37.81 (0.05) | 40 48 37.83 | 40 48 37.14 (0.04) | 40 48 33.12 | |||||||
| Spectral type | DA | DA | DA | DA | DA2.2 | DA3 | DA | |||||||
| Effective temperature | [K] | 22391.0 (157) | 22858.0 (73) | 22430.0 (446) | 21370.0 (418) | 21660.0 (391) | ||||||||
| log(g) | [cgs] | 7.96 (0.02) | 8.11 (0.01) | 8.06 (0.06) | 8.02 (0.06) | 7.98 (0.02) | ||||||||
| Mass | [M☉] | 0.61 (0.01) | 0.6859999999999999 (0.005) | 0.67 (0.04) | 0.64 (0.03) | 0.616 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -1.50 | ||||||||||||
| Cooling age | [Gyr] | 0.0724 | ||||||||||||
| 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] | 7.65 (0.04) | 7.69 (0.06) | 7.65 | 7.65 (0.04) | |||||||||
| Distance | [pc] | 130.64 (0.7) | 130.05 (0.9) | 161.00 | 163.00 | 130.64 | 130.64 (0.7) | |||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -43.18098777 (0.04) | -43.23775475 (0.1) | -43.181 (0.04) | ||||||||||
| Proper motion (declination) | [mas/yr] | 43.40006173 (0.05) | 43.43479518 (0.1) | 43.4 (0.05) | ||||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.02 | |||||||||||||
| V magnitude | 16.70 | 16.70 | ||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.65 (0.03) | |||||||||||||
| H magnitude | 16.93 (0.07) | |||||||||||||
| K magnitude | 16.85 (0.1) | |||||||||||||
| u magnitude | 15.96 (0.005) | 15.96 (0.005) | 15.97 (0.01) | 15.96 (0.005) | ||||||||||
| g magnitude | 15.97 (0.003) | 15.97 (0.003) | 15.98 (0.02) | 15.97 (0.003) | ||||||||||
| r magnitude | 16.38 (0.004) | 16.38 (0.004) | 16.39 (0.01) | 16.38 (0.004) | ||||||||||
| i magnitude | 16.68 (0.005) | 16.68 (0.005) | 16.67 (0.02) | 16.68 (0.005) | ||||||||||
| z magnitude | 17.60 (0.01) | 17.60 (0.01) | 17.68 (0.05) | 17.60 (0.01) | ||||||||||
| G magnitude | 16.20 (0.003) | 16.22 | 16.20 | 16.20 (0.003) | ||||||||||
| BP magnitude | 16.11 (0.003) | 16.07 | ||||||||||||
| RP magnitude | 16.40 (0.005) | 16.40 | ||||||||||||
| Pan g magnitude | ||||||||||||||
| Pan r magnitude | ||||||||||||||
| Pan i magnitude | ||||||||||||||
| Pan z magnitude | ||||||||||||||
| Pan y magnitude | ||||||||||||||
| E(B-V) | 0.014 | |||||||||||||
* 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.