SDSS J135532.73+455319.1

All names: SDSS J135532.77+455318.6, WDJ135532.72+455319.29, Gaia DR3 1508988758895110656, SDSS J135532.73+455319.0, J1355+4553, GALEX J135532.7+455319, SDSS J135532.73+455319.1, Gaia EDR3 1508988758895110656, Gaia DR2 1508988758895110656

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 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 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 55 32.78 (0.06) 13 55 32.73 13 55 32.78 (0.08) 13 55 32.78 13 55 32.72 (0.06) 13 55 32.78 13 55 32.73
Declination 45 53 18.52 (0.07) 45 53 19.09 45 53 18.55 (0.08) 45 53 18.52 45 53 19.29 (0.07) 45 53 18.55 45 53 19.06
Spectral type DQ DC DC DC DC DC DC DC
Effective temperature [K] 8081.0 (91) 8290.0 (76) 8998.0 8764.0 8303.0 (131) 10110.0 (45)
log(g) [cgs] 7.93 (0.02) 8.00 (0.02) 8.28 8.20 8.01 (0.03) 9.17 (0.5)
Mass [M] 0.538 (0.01) 0.575 (0.01) 0.774 0.702 0.585 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.0600 1.1970 1.1780
log(H/He) -4.0
log(C/He) -5.65
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] 10.13 (0.08) 10.23 (0.1) 10.23 (0.1) 10.13 10.13 (0.08) 10.23 (0.1)
Distance [pc] 98.68 (0.8) 97.75 (1) 97.73 (1) 98.68 98.68 (0.8) 97.73 (1)
Composition He He
Proper motion (right ascension) [mas/yr] 42.03981536 (0.07) 41.79225087 (0.2) 42.04 (0.07) 41.79225087
Proper motion (declination) [mas/yr] -47.91408319 (0.08) -47.7395236 (0.2) -47.914 (0.08) -47.7395236
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.25 (0.01) 18.25 (0.01) 18.25 (0.01) 18.25 (0.01) 18.21 (0.03)
g magnitude 17.93 (0.005) 17.93 (0.005) 17.93 (0.005) 17.96 (0.03)
r magnitude 17.98 (0.006) 17.98 (0.006) 17.98 (0.006) 17.97 (0.02)
i magnitude 18.07 (0.009) 18.07 (0.009) 18.07 (0.009) 18.09 (0.03)
z magnitude 18.17 (0.03) 18.17 (0.03) 18.17 (0.03) 18.17 (0.04)
G magnitude 17.90 (0.008) 17.93 17.90 17.90 (0.003) 17.93
BP magnitude 17.98 (0.008) 17.98 17.98
RP magnitude 17.74 (0.01) 17.75 17.75
Pan g magnitude 17.96 (0.008) 17.96 (0.009)
Pan r magnitude 17.97 (0.005) 17.97 (0.006)
Pan i magnitude 18.07 (0.004) 18.07 (0.004)
Pan z magnitude 18.19 (0.01) 18.19 (0.01)
Pan y magnitude 18.27 (0.02) 18.27 (0.02)
E(B-V) 0.009

* 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.