Gaia DR2 1597468108851256192

All names: Gaia DR3 1597468108851256192, SDSS J154710.62+542617.6, J1547+5426, Gaia DR2 1597468108851256192, Gaia EDR3 1597468108851256192, WDJ154710.64+542617.57, SDSS J154710.61+542617.5

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 15 47 10.45 (0.2) 15 47 10.46 15 47 10.45 15 47 10.64 (0.2) 15 47 10.46
Declination 54 26 17.44 (0.2) 54 26 17.44 54 26 17.44 54 26 17.57 (0.2) 54 26 17.44
Spectral type DC DC DC DA: DC
Effective temperature [K] 5858.0 (63) 5862.0 (60) 5604.0 (60) 6196.0 5940.0 6432.0 (199)
log(g) [cgs] 8.24 (0.03) 8.17 (0.03) 8.01 (0.04) 8.34 8.21 8.50 (0.06)
Mass [M] 0.727 (0.02) 0.681 (0.03) 0.578 (0.03) 0.806 0.701 0.912 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 4.3300 4.1990 4.2790
log(H/He) -5
log(C/He)
log(Ca/He)
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] 10.96 (0.2) 10.44 (0.3) 10.44 (0.3) 10.96 10.96 (0.2) 10.44 (0.3)
Distance [pc] 91.26 (2) 95.79 (2) 95.80 (3) 91.26 91.26 (2) 95.80 (3)
Composition He He
Proper motion (right ascension) [mas/yr] -102.5419306 (0.2) -102.2152486 (0.5) -102.542 (0.2) -102.2152486
Proper motion (declination) [mas/yr] -8.255669044 (0.3) -8.653822276 (0.8) -8.256 (0.3) -8.653822276
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.53 (0.06) 20.62 (0.08) 20.62 (0.08)
g magnitude 19.66 (0.01) 19.66 (0.01)
r magnitude 19.35 (0.01) 19.35 (0.01)
i magnitude 19.23 (0.02) 19.23 (0.02)
z magnitude 19.43 (0.07) 19.43 (0.07)
G magnitude 19.33 (0.04) 19.36 19.33 19.33 (0.004) 19.36
BP magnitude 19.57 (0.04) 19.56 19.56
RP magnitude 18.93 (0.03) 18.89 18.89
Pan g magnitude 19.59 (0.01) 19.59 (0.01)
Pan r magnitude 19.29 (0.02) 19.29 (0.01)
Pan i magnitude 19.19 (0.008) 19.19 (0.007)
Pan z magnitude 19.20 (0.02) 19.20 (0.01)
Pan y magnitude 19.21 (0.02) 19.21 (0.02)
E(B-V) 0.012

* 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.