All names: J1609+5222, Gaia DR2 1427746463194276736, LP 136-54, SDSS J160920.12+522239.6, NLTT 42160, Gaia EDR3 1427746463194276736, LSPM J1609+5222, WDJ160920.11+522239.54, Gaia DR3 1427746463194276736, WD 1608+525, USNO-B1.0 1423-00308100, SDSS J160920.11+522239.6, GALEX J160920.2+522240, SDSS J160920.13+522239.6
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 09 20.37 (0.08) | 16 09 20.12 | 16 09 20.36 (0.1) | 16 09 20.37 | 16 09 20.11 (0.08) | 16 09 20.36 | 16 09 19.94 | |||||||
Declination | 52 22 44.06 (0.08) | 52 22 39.64 | 52 22 43.92 (0.1) | 52 22 44.06 | 52 22 39.54 (0.08) | 52 22 43.92 | 52 22 36.48 | |||||||
Spectral type | DAM | DAM | DA | DA | DA | DA7.8 | DA+MS | |||||||
Effective temperature | [K] | 6609.0 (39) | 6606.0 (42) | 6536.0 | 6547.0 (84) | |||||||||
log(g) | [cgs] | 8.61 (0.01) | 8.61 (0.01) | 8.59 | 8.60 (0.02) | |||||||||
Mass | [M☉] | 0.986 (0.008) | 0.986 (0.008) | 0.974 | 0.978 (0.02) | |||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 5.0200 | 4.6400 | |||||||||||
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] | 20.73 (0.08) | 20.58 (0.1) | 20.58 (0.1) | 20.73 | 20.73 (0.08) | 20.58 (0.1) | |||||||
Distance | [pc] | 48.23 (0.2) | 48.59 (0.3) | 48.59 (0.3) | 48.23 | 48.23 (0.2) | 48.59 (0.3) | |||||||
Composition | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 152.3949114 (0.1) | 152.2250454 (0.2) | 152.395 (0.1) | 152.2250454 | |||||||||
Proper motion (declination) | [mas/yr] | 282.3614915 (0.1) | 282.4163267 (0.3) | 282.361 (0.1) | 282.4163267 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | WDMS | |||||||||||||
B magnitude | 17.80 | |||||||||||||
V magnitude | ||||||||||||||
R magnitude | 17.70 | |||||||||||||
I magnitude | ||||||||||||||
J magnitude | ||||||||||||||
H magnitude | ||||||||||||||
K magnitude | ||||||||||||||
u magnitude | 18.95 (0.02) | 18.95 (0.02) | 18.95 (0.02) | 18.95 (0.02) | 18.86 | |||||||||
g magnitude | 18.29 (0.006) | 18.30 (0.006) | 18.30 (0.006) | 18.21 | ||||||||||
r magnitude | 17.99 (0.006) | 17.99 (0.006) | 17.99 (0.006) | 17.96 | ||||||||||
i magnitude | 17.86 (0.008) | 17.86 (0.008) | 17.86 (0.008) | 17.84 | ||||||||||
z magnitude | 17.83 (0.02) | 17.83 (0.02) | 17.83 (0.02) | 17.83 | ||||||||||
G magnitude | 18.03 (0.02) | 18.05 | 18.03 | 18.03 (0.003) | 18.05 | |||||||||
BP magnitude | 18.26 (0.02) | 18.26 | 18.26 | |||||||||||
RP magnitude | 17.63 (0.02) | 17.63 | 17.63 | |||||||||||
Pan g magnitude | 18.28 (0.01) | 18.28 (0.01) | ||||||||||||
Pan r magnitude | 18.04 (0.006) | 18.04 (0.006) | ||||||||||||
Pan i magnitude | 17.97 (0.004) | 17.97 (0.004) | ||||||||||||
Pan z magnitude | 18.00 (0.004) | 18.00 (0.004) | ||||||||||||
Pan y magnitude | 18.03 (0.01) | 18.03 (0.01) | ||||||||||||
E(B-V) | 0.007 |
* 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.