Gaia DR2 1373569711363357056

All names: WDJ155616.46+381019.65, Gaia EDR3 1373569711363357056, SDSS J155616.37+381019.7, Gaia DR3 1373569711363357056, NLTT 41583, LSPM J1556+3810, USNO-B1.0 1281-00293611, SDSS J155616.37+381019.8, J1556+3810, Gaia DR2 1373569711363357056, GALEX J155616.2+381020, LP 274-28

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 56 16.06 (0.06) 15 56 16.07 15 56 16.06 15 56 16.46 (0.06) 15 56 16.07
Declination 38 10 19.88 (0.07) 38 10 19.88 38 10 19.88 38 10 19.65 (0.07) 38 10 19.88
Spectral type DC DC DC DA DC
Effective temperature [K] 6221.0 (28) 5897.0 (30) 5906.0 (26) 6440.0 6194.0 6388.0 (64)
log(g) [cgs] 8.08 (0.01) 7.90 (0.01) 7.89 (0.01) 8.19 8.06 8.17 (0.02)
Mass [M] 0.623 (0.01) 0.514 (0.01) 0.508 (0.01) 0.708 0.61 0.694 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 2.3300 2.8510 2.5090
log(H/He) -3.0 -3
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] 16.47 (0.08) 16.36 (0.1) 16.36 (0.1) 16.47 16.47 (0.08) 16.36 (0.1)
Distance [pc] 60.73 (0.3) 61.12 (0.4) 61.14 (0.4) 60.73 60.73 (0.3) 61.14 (0.4)
Composition He He
Proper motion (right ascension) [mas/yr] -290.8638308 (0.07) -290.9509337 (0.2) -290.864 (0.07) -290.9509337
Proper motion (declination) [mas/yr] 14.70982161 (0.09) 14.49322362 (0.2) 14.71 (0.09) 14.49322362
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.90
V magnitude
R magnitude 17.90
I magnitude
J magnitude 17.24 (0.03)
H magnitude
K magnitude
u magnitude 18.94 (0.02) 18.96 (0.02) 18.96 (0.02)
g magnitude 18.23 (0.007) 18.23 (0.007)
r magnitude 17.94 (0.006) 17.94 (0.006)
i magnitude 17.86 (0.008) 17.86 (0.008)
z magnitude 17.90 (0.02) 17.90 (0.02)
G magnitude 17.94 (0.01) 17.96 17.94 17.94 (0.003) 17.96
BP magnitude 18.19 (0.01) 18.20 18.20
RP magnitude 17.52 (0.008) 17.52 17.52
Pan g magnitude 18.21 (0.001) 18.21 (0.001)
Pan r magnitude 17.93 (0.004) 17.93 (0.006)
Pan i magnitude 17.87 (0.005) 17.87 (0.005)
Pan z magnitude 17.87 (0.02) 17.87 (0.02)
Pan y magnitude 17.93 (0.02) 17.93 (0.01)
E(B-V) 0.008

* 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.