Gaia DR2 4598979924619296384

All names: Gaia DR2 4598979924619296384, GALEX J173338.8+301332, Gaia DR3 4598979924619296384, J1733+3013, SDSS J173338.82+301333.4, SDSS J173338.81+301333.3, WDJ173338.82+301333.54, Gaia EDR3 4598979924619296384

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 17 33 38.82 (0.03) 17 33 38.82 17 33 38.82 17 33 38.82 (0.03) 17 33 38.82
Declination 30 13 32.95 (0.05) 30 13 32.96 30 13 32.95 30 13 33.55 (0.05) 30 13 32.96
Spectral type DZ DZ DZ DZ DZ
Effective temperature [K] 7904.0 (38) 7937.0 (23) 7908.0 (38) 9754.0 9533.0 7159.0 (56)
log(g) [cgs] 8.14 (0.007) 8.16 (0.006) 8.15 (0.008) 8.47 8.39 7.81 (0.01)
Mass [M] 0.661 (0.007) 0.674 (0.006) 0.667 (0.007) 0.899 0.832 0.467 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.4700 1.4490 1.3070
log(H/He) -4.0 -4.0 <-4
log(C/He)
log(Ca/He) -7.89 -7.8 -7.85
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 16.84 (0.05) 16.92 (0.07) 16.92 (0.07) 16.84 16.84 (0.05) 16.92 (0.07)
Distance [pc] 59.39 (0.2) 59.10 (0.2) 59.09 (0.2) 59.39 59.39 (0.2) 59.09 (0.2)
Composition He
Proper motion (right ascension) [mas/yr] 3.305459764 (0.05) 3.248952716 (0.1) 3.305 (0.04) 3.248952716
Proper motion (declination) [mas/yr] -37.53123441 (0.06) -37.45666673 (0.1) -37.531 (0.06) -37.45666673
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.65 (0.01) 17.64 (0.01) 17.64 (0.01)
g magnitude 16.91 (0.005) 16.91 (0.005)
r magnitude 16.91 (0.005) 16.91 (0.005)
i magnitude 17.04 (0.006) 17.04 (0.006)
z magnitude 17.23 (0.01) 17.23 (0.01)
G magnitude 16.88 (0.005) 16.90 16.88 16.88 (0.003) 16.90
BP magnitude 16.98 (0.005) 16.99 16.99
RP magnitude 16.73 (0.006) 16.75 16.75
Pan g magnitude 16.89 (0.006) 16.89 (0.005)
Pan r magnitude 16.92 (0.003) 16.92 (0.003)
Pan i magnitude 17.07 (0.003) 17.07 (0.003)
Pan z magnitude 17.21 (0.005) 17.21 (0.005)
Pan y magnitude 17.32 (0.01) 17.32 (0.009)
E(B-V) 0.006

* 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.