Gaia DR2 4491980748701631616

All names: WDJ173042.95+105246.81, Gaia DR3 4491980748701631616, Gaia EDR3 4491980748701631616, WDJ173042.95+105246.80, J1730+1052, Gaia DR2 4491980748701631616

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Vincent et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 17 30 42.89 (0.03) 17 30 42.89 17 30 42.89 17 30 42.95 (0.03) 17 30 42.89
Declination 10 52 45.44 (0.03) 10 52 45.48 10 52 45.44 10 52 46.81 (0.03) 10 52 45.48
Spectral type DA DA
Effective temperature [K] 11373.0 (127) 11373.0 12002.0 11585.0 (94)
log(g) [cgs] 7.94 7.94 7.96 (0.01)
Mass [M] 0.572 (0.009) 0.572 0.552 0.579 (0.008)
log(Luminosity) [L]
Cooling age [Gyr] 0.4007 0.3530
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.87 (0.04) 12.92 (0.06) 12.87 12.87 (0.04) 12.92 (0.06)
Distance [pc] 77.69 (0.2) 77.43 (0.3) 77.69 77.69 (0.2) 77.43 (0.3)
Composition
Proper motion (right ascension) [mas/yr] -50.4456235 (0.04) -50.57410568 (0.1) -50.446 (0.04) -50.57410568
Proper motion (declination) [mas/yr] -85.59554675 (0.04) -85.59056208 (0.1) -85.596 (0.04) -85.59056208
Variability VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.15 (0.004) 16.17 16.15 16.15 (0.003) 16.17
BP magnitude 16.17 (0.004) 16.15 16.15
RP magnitude 16.16 (0.006) 16.16 16.16
Pan g magnitude 16.11 (0.02)
Pan r magnitude 16.27 (0.003)
Pan i magnitude 16.48 (0.005)
Pan z magnitude 16.69 (0.003)
Pan y magnitude 16.81 (0.008)
E(B-V) 0.008

* 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.