All names: SDSS J162024.51+522320.9, PG 1619+525, SDSS J162024.52+522321.0, Gaia DR3 1425130935485979520, SBSS 1619+525, SDSS J162024.52+522320.9, Gaia DR2 1425130935485979520, Gaia EDR3 1425130935485979520, WDJ162024.49+522321.08, UCAC4 712-054507, WD 1619+525, J1620+5223
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 20 24.59 (0.03) | 16 20 24.58 (0.05) | 16 20 24.59 | 16 20 24.49 (0.03) | 16 20 24.58 | 16 20 24.05 | ||||||||
Declination | 52 23 20.81 (0.04) | 52 23 20.81 (0.05) | 52 23 20.81 | 52 23 21.08 (0.04) | 52 23 20.81 | 52 23 19.68 | ||||||||
Spectral type | DA | DA | DA | DA | DA | DA2.7 | DA3 | |||||||
Effective temperature | [K] | 17285.0 (253) | 15842.0 (209) | 11960.0 | 18880.0 (282) | 18040.0 (271) | 18311.0 (249) | |||||||
log(g) | [cgs] | 7.87 (0.01) | 7.71 (0.01) | 7.38 | 7.98 (0.04) | 7.90 (0.05) | 7.91 (0.01) | |||||||
Mass | [M☉] | 0.548 (0.009) | 0.465 (0.007) | 0.324 | 0.61 (0.03) | 0.56 (0.02) | 0.569 (0.01) | |||||||
log(Luminosity) | [L☉] | -1.73 | ||||||||||||
Cooling age | [Gyr] | 0.1963 | 0.1072 | |||||||||||
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] | 11.24 (0.04) | 11.20 (0.05) | 11.24 | 11.24 (0.04) | 11.20 (0.05) | ||||||||
Distance | [pc] | 88.98 (0.3) | 89.31 (0.4) | 98.00 | 102.00 | 88.98 | 88.98 (0.3) | 89.31 (0.4) | ||||||
Composition | H | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 54.15384333 (0.04) | 53.45903189 (0.1) | 54.154 (0.04) | 53.45903189 | |||||||||
Proper motion (declination) | [mas/yr] | -17.35990847 (0.05) | -17.42057853 (0.1) | -17.36 (0.05) | -17.42057853 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | ||||||||||||||
V magnitude | 15.81 | |||||||||||||
R magnitude | 15.54 (0.4) | |||||||||||||
I magnitude | ||||||||||||||
J magnitude | ||||||||||||||
H magnitude | ||||||||||||||
K magnitude | ||||||||||||||
u magnitude | 15.61 (0.005) | 15.61 (0.005) | ||||||||||||
g magnitude | 15.41 (0.003) | 15.41 (0.003) | ||||||||||||
r magnitude | 15.79 (0.004) | 15.79 (0.004) | ||||||||||||
i magnitude | 16.01 (0.005) | 16.01 (0.005) | ||||||||||||
z magnitude | 16.15 (0.007) | 16.15 (0.007) | ||||||||||||
G magnitude | 15.63 (0.002) | 15.64 | 15.63 | 15.63 (0.003) | 15.64 | |||||||||
BP magnitude | 15.56 (0.002) | 15.54 | 15.54 | |||||||||||
RP magnitude | 15.68 (0.004) | 15.67 | 15.67 | |||||||||||
Pan g magnitude | 15.49 (0.006) | |||||||||||||
Pan r magnitude | 15.80 (0.003) | |||||||||||||
Pan i magnitude | 16.04 (0.002) | |||||||||||||
Pan z magnitude | 16.19 (0.006) | |||||||||||||
Pan y magnitude | 16.25 (0.01) | |||||||||||||
E(B-V) | 0.012 |
* 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.