SDSS J135509.87-020506.5

All names: WD 1352-018, Gaia EDR3 3657893422595150464, SDSS J135509.88-020506.5, SDSS J135509.88-020506.6, 2QZ J135509.9-020506, SDSS J135509.87-020506.5, SDSS J135509.88-020506.7, Gaia DR2 3657893422595150464, Gaia DR3 3657893422595150464, GALEX J135509.8-020506

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 55 09.80 (0.2) 13 55 09.88 13 55 09.81 (0.3) 13 55 09.88 (0.2) 13 55 09.88 13 55 09.86 13 55 09.88
Declination -02 05 06.67 (0.2) -02 05 06.59 -02 05 06.67 (0.2) -02 05 06.56 (0.2) -02 05 06.59 -02 05 04.92 -02 05 06.65
Spectral type DC: DC: DC DC: DC: DZ DC
Effective temperature [K] 9659.0 9575.0 10271.0 (172) 10294.0 (181)
log(g) [cgs] 8.16 8.09 8.37 (0.5) 9.05 (0.6)
Mass [M] 0.697 0.634
log(Luminosity) [L]
Cooling age [Gyr] 0.8315 0.7978
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.39 (0.3) 5.09 (0.3) 5.39 (0.3)
Distance [pc] 185.60 (9) 196.61 (11) 185.60 (9)
Composition
Proper motion (right ascension) [mas/yr] -72.22192516 (0.3) -72.51472111 (0.6) -72.222 (0.3) -65.4
Proper motion (declination) [mas/yr] -6.964069239 (0.2) -5.816509133 (0.4) -6.964 (0.2) -3.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.23
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.27 (0.03) 19.27 (0.03) 19.32 (0.04) 19.31 19.32 (0.04)
g magnitude 18.95 (0.009) 18.95 (0.009) 18.98 (0.02) 18.97 18.97 (0.02)
r magnitude 19.06 (0.01) 19.06 (0.01) 19.06 (0.02) 19.06 19.06 (0.02)
i magnitude 19.16 (0.02) 19.16 (0.02) 19.17 (0.02) 19.17 19.16 (0.02)
z magnitude 19.28 (0.07) 19.28 (0.07) 19.30 (0.08) 19.30 19.28 (0.08)
G magnitude 18.98 (0.03) 19.02 18.98 (0.004)
BP magnitude 19.07 (0.03) 19.06
RP magnitude 18.92 (0.05) 18.92
Pan g magnitude 19.01 (0.008)
Pan r magnitude 19.06 (0.007)
Pan i magnitude 19.21 (0.004)
Pan z magnitude 19.36 (0.02)
Pan y magnitude 19.37 (0.04)
E(B-V) 0.018

* 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.