WD 1356+607

All names: WD 1356+607, GALEX J135758.2+602855, LSPM J1357+6028, Gaia DR2 1660937971614743808, J1357+6028, WDJ135758.49+602855.14, SDSS J135758.43+602855.2, Gaia DR3 1660937971614743808, NLTT 35880, LP 97-340, Gaia EDR3 1660937971614743808, SDSS J135758.43+602855.3, USNO-B1.0 1504-00214272, SDSS J135758.42+602855.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Kawka et Vennes 2006 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 13 57 57.83 (0.07) 13 57 57.85 (0.1) 13 57 57.83 13 57 58.49 (0.07) 13 57 57.85 13 57 57.74
Declination 60 28 56.04 (0.06) 60 28 56.01 (0.08) 60 28 56.04 60 28 55.14 (0.06) 60 28 56.01 60 28 50.16
Spectral type DC DC DC DC DC DA DC DC7.8
Effective temperature [K] 5746.0 (34) 6018.0 (35) 6251.0 5997.0 6500.0 (100) 6187.0 (58)
log(g) [cgs] 7.98 (0.01) 8.15 (0.01) 8.27 8.14 8.00 8.23 (0.02)
Mass [M] 0.559 (0.01) 0.665 (0.01) 0.763 0.659 0.57 0.733 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 3.6600 3.7290 3.5900
log(H/He) -5.0
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] 20.06 (0.07) 20.12 (0.1) 20.12 (0.1) 20.06 20.06 (0.07) 20.12 (0.1)
Distance [pc] 49.86 (0.2) 49.70 (0.3) 49.71 (0.3) 59.00 49.86 49.86 (0.2) 49.71 (0.3)
Composition He
Proper motion (right ascension) [mas/yr] -304.5724696 (0.1) -304.6620232 (0.2) -304.572 (0.1) -304.6620232
Proper motion (declination) [mas/yr] 56.0107339 (0.09) 55.90366295 (0.1) 56.011 (0.09) 55.90366295
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.80
V magnitude
R magnitude 17.60
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.84 (0.02) 18.84 (0.02) 18.84 (0.02) 0.77
g magnitude 18.07 (0.006) 18.07 (0.006)
r magnitude 17.73 (0.006) 17.73 (0.006)
i magnitude 17.62 (0.007) 17.62 (0.007)
z magnitude 17.64 (0.02) 17.64 (0.02)
G magnitude 17.73 (0.01) 17.75 17.73 17.73 (0.003) 17.75
BP magnitude 18.00 (0.01) 17.99 17.99
RP magnitude 17.28 (0.009) 17.29 17.29
Pan g magnitude 18.02 (0.008) 18.02 (0.007)
Pan r magnitude 17.73 (0.008) 17.73 (0.007)
Pan i magnitude 17.64 (0.007) 17.64 (0.007)
Pan z magnitude 17.63 (0.006) 17.63 (0.007)
Pan y magnitude 17.68 (0.008) 17.68 (0.009)
E(B-V) 0.005

* 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.