Gaia DR2 1197139189352207232

All names: Gaia EDR3 1197139189352207232, USNO-B1.0 1067-00266519, SDSS J153548.51+164514.4, SDSS J153548.50+164514.5, SDSS J153548.50+164514.4, LSPM J1535+1645, J1535+1645, WDJ153548.55+164513.78, Gaia DR2 1197139189352207232, Gaia DR3 1197139189352207232

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 15 35 48.42 (0.2) 15 35 48.42 15 35 48.42 15 35 48.55 (0.2) 15 35 48.42
Declination 16 45 15.87 (0.2) 16 45 15.81 16 45 15.87 16 45 13.77 (0.2) 16 45 15.81
Spectral type DC DC DA DC DA
Effective temperature [K] 5112.0 (32) 5114.0 (33) 5171.0 4858.0 5128.0 (147)
log(g) [cgs] 8.04 (0.02) 8.02 (0.03) 8.05 7.84 8.02 (0.07)
Mass [M] 0.606 (0.02) 0.593 (0.02) 0.614 0.478 0.596 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 5.4600 5.4830 4.5980
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] 15.80 (0.3) 15.58 (0.3) 15.58 (0.3) 15.80 15.80 (0.3) 15.58 (0.3)
Distance [pc] 63.27 (1) 64.18 (1) 64.17 (1) 63.27 63.27 (1) 64.17 (1)
Composition H H
Proper motion (right ascension) [mas/yr] -112.1447882 (0.2) -112.6332859 (0.6) -112.145 (0.2) -112.6332859
Proper motion (declination) [mas/yr] 131.0766175 (0.2) 130.4527717 (0.7) 131.077 (0.2) 130.4527717
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.60
V magnitude
R magnitude 18.70
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.02 (0.08) 21.06 (0.08) 20.84 (0.08)
g magnitude 19.43 (0.01) 19.44 (0.01)
r magnitude 18.77 (0.01) 18.78 (0.01)
i magnitude 18.52 (0.01) 18.54 (0.01)
z magnitude 18.46 (0.03) 18.48 (0.03)
G magnitude 18.82 (0.09) 18.85 18.82 18.82 (0.004) 18.85
BP magnitude 19.21 (0.09) 19.36 19.36
RP magnitude 18.21 (0.02) 18.23 18.23
Pan g magnitude 19.33 (0.01) 19.33 (0.01)
Pan r magnitude 18.79 (0.007) 18.79 (0.005)
Pan i magnitude 18.55 (0.009) 18.55 (0.008)
Pan z magnitude 18.45 (0.009) 18.45 (0.01)
Pan y magnitude 18.47 (0.01) 18.47 (0.01)
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.