SDSS J160949.60+161918.9

All names: Gaia DR2 1198427031003111552, SDSS J160949.60+161918.9, SDSS J160949.60+161919.0, WIRED J160949.60+161918.9, J1609+1619, Gaia DR3 1198427031003111552, Gaia EDR3 1198427031003111552, GALEX J160949.5+161919, WDJ160949.63+161919.20

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 09 49.54 (0.07) 16 09 49.60 16 09 49.54 (0.09) 16 09 49.54 16 09 49.63 (0.07) 16 09 49.54 16 09 49.60
Declination 16 19 18.32 (0.07) 16 19 18.99 16 19 18.35 (0.08) 16 19 18.32 16 19 19.20 (0.07) 16 19 18.35 16 19 18.97
Spectral type DA DA DA DA DA DA DA DA
Effective temperature [K] 7201.0 (41) 7222.0 (37) 7200.0 (41) 7177.0 7164.0 (88) 7001.0 (33)
log(g) [cgs] 8.03 (0.01) 8.05 (0.01) 8.05 (0.01) 8.04 8.01 (0.02) 7.83 (0.07)
Mass [M] 0.61 (0.01) 0.622 (0.01) 0.62 (0.01) 0.616 0.598 (0.02) 0.504 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 1.5600 1.5010
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] 15.26 (0.09) 15.42 (0.1) 15.42 (0.1) 15.26 15.26 (0.09) 15.42 (0.1)
Distance [pc] 65.53 (0.4) 64.85 (0.5) 64.85 (0.5) 65.53 65.53 (0.4) 64.85 (0.5)
Composition H H H
Proper motion (right ascension) [mas/yr] -81.59757968 (0.08) -81.99041897 (0.2) -81.598 (0.08) -81.99041897
Proper motion (declination) [mas/yr] -55.01426397 (0.09) -55.1045825 (0.1) -55.014 (0.09) -55.1045825
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.81 (0.02)
H magnitude
K magnitude
u magnitude 18.13 (0.01) 18.12 (0.01) 18.12 (0.01) 18.12 (0.01) 18.16 (0.03)
g magnitude 17.62 (0.005) 17.62 (0.005) 17.62 (0.005) 17.61 (0.02)
r magnitude 17.46 (0.005) 17.45 (0.005) 17.45 (0.005) 17.46 (0.01)
i magnitude 17.44 (0.006) 17.44 (0.006) 17.44 (0.006) 17.43 (0.01)
z magnitude 17.52 (0.01) 17.52 (0.01) 17.52 (0.01) 17.51 (0.02)
G magnitude 17.43 (0.008) 17.45 17.43 17.43 (0.003) 17.45
BP magnitude 17.62 (0.008) 17.60 17.60
RP magnitude 17.13 (0.007) 17.13 17.13
Pan g magnitude 17.63 (0.005) 17.63 (0.005)
Pan r magnitude 17.47 (0.004) 17.47 (0.005)
Pan i magnitude 17.46 (0.004) 17.46 (0.003)
Pan z magnitude 17.51 (0.007) 17.51 (0.008)
Pan y magnitude 17.57 (0.01) 17.57 (0.008)
E(B-V) 0.005

* Constant surface field

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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.