Gaia DR2 4434747350246957184

All names: Gaia DR3 4434747350246957184, LSPM J1644+0456, WDJ164419.63+045606.95, Gaia DR2 4434747350246957184, Gaia EDR3 4434747350246957184, USNO-B1.0 0949-00264767

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 16 44 19.58 (0.2) 16 44 19.58 16 44 19.58 16 44 19.63 (0.2) 16 44 19.58
Declination 04 56 04.29 (0.1) 04 56 04.38 04 56 04.29 04 56 06.96 (0.1) 04 56 04.38
Spectral type DA: DA
Effective temperature [K] 4973.0 4653.0 5109.0 (84)
log(g) [cgs] 7.88 7.65 8.03 (0.04)
Mass [M] 0.511 0.381 0.597 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 4.4170 3.4430
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 15.82 (0.2) 15.31 (0.3) 15.82 15.82 (0.2) 15.31 (0.3)
Distance [pc] 63.20 (0.8) 65.30 (1) 63.20 63.20 (0.8) 65.30 (1)
Composition
Proper motion (right ascension) [mas/yr] -53.51678258 (0.2) -53.26127159 (0.4) -53.517 (0.2) -53.26127159
Proper motion (declination) [mas/yr] -166.3322514 (0.2) -166.2490051 (0.4) -166.332 (0.2) -166.2490051
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.40
V magnitude
R magnitude 18.70
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.81 (0.03) 18.83 18.81 18.81 (0.003) 18.83
BP magnitude 19.29 (0.03) 19.27 19.27
RP magnitude 18.26 (0.03) 18.15 18.15
Pan g magnitude 19.40 (0.01)
Pan r magnitude 18.78 (0.007)
Pan i magnitude 18.52 (0.007)
Pan z magnitude 18.44 (0.01)
Pan y magnitude 18.38 (0.02)
E(B-V) 0.002

* 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.