Gaia DR2 4570546317703725312

All names: Gaia DR2 4570546317703725312, SDSS J171840.63+252431.8, Gaia EDR3 4570546317703725312, SDSS J171840.63+252431.9, 2MASS J17184067+2524316, WDJ171840.63+252431.89, WDJ171840.63+252431.90, Gaia DR3 4570546317703725312, TIC 257734550, J1718+2524

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Vincent et al. 2020 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 17 18 40.61 (0.02) 17 18 40.61 17 18 40.61 17 18 40.63 (0.02) 17 18 40.61
Declination 25 24 31.51 (0.03) 25 24 31.53 25 24 31.51 25 24 31.90 (0.03) 25 24 31.53
Spectral type DA DA DA DA
Effective temperature [K] 11361.0 (144) 11351.0 (98) 11361.0 (144) 11439.0 11986.0 11361.0 (85)
log(g) [cgs] 8.04 (0.01) 8.04 (0.01) 8.05 8.04 8.04 (0.009)
Mass [M] 0.629 (0.01) 0.628 (0.008) 0.629 (0.01) 0.634 0.608 0.627 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.4534 0.4071
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] 14.27 (0.03) 14.25 (0.05) 14.27 14.27 (0.03) 14.25 (0.05)
Distance [pc] 70.08 (0.2) 70.16 (0.2) 70.08 70.08 (0.2) 70.16 (0.2)
Composition H
Proper motion (right ascension) [mas/yr] -15.77060156 (0.03) -15.83430392 (0.07) -15.771 (0.03) -15.83430392
Proper motion (declination) [mas/yr] -23.93991179 (0.04) -24.06098768 (0.08) -23.94 (0.04) -24.06098768
Variability VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.17 (0.09)
H magnitude 16.10 (0.2)
K magnitude 15.89 (0.3)
u magnitude 16.47 (0.006) 16.47 (0.006)
g magnitude 16.01 (0.004) 16.01 (0.004)
r magnitude 16.22 (0.005) 16.22 (0.005)
i magnitude 16.39 (0.005) 16.39 (0.005)
z magnitude 16.65 (0.008) 16.65 (0.008)
G magnitude 16.09 (0.007) 16.10 16.09 16.09 (0.003) 16.10
BP magnitude 16.10 (0.007) 16.10 16.10
RP magnitude 16.08 (0.004) 16.08 16.08
Pan g magnitude 16.04 (0.01)
Pan r magnitude 16.20 (0.01)
Pan i magnitude 16.39 (0.006)
Pan z magnitude 16.60 (0.006)
Pan y magnitude 16.75 (0.007)
E(B-V) 0.007

* 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.