SDSS J155642.53+381416.4

All names: SDSS J155642.52+381416.4, Gaia DR3 1373576033555250048, Gaia DR2 1373576033555250048, Gaia EDR3 1373576033555250048, SDSS J155642.53+381416.4, SDSS J155642.53+381416.40

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 15 56 42.49 (1) 15 56 42.53 15 56 42.49 (1) 15 56 42.53 (1)
Declination 38 14 16.74 (2) 38 14 16.42 38 14 16.73 (2) 38 14 16.35 (2)
Spectral type DA DA DA DA
Effective temperature [K] 8427.0 8308.0 (221)
log(g) [cgs] 7.54 7.92 (0.3)
Mass [M] 0.364 0.5529999999999999 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.5684
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] 1.72 (2) -1.80 (2) 1.72 (2)
Distance [pc] 580.62 (532) 580.62 (532)
Composition H
Proper motion (right ascension) [mas/yr] -31.08729687 (1) -36.99982239 (3) -31.087 (1)
Proper motion (declination) [mas/yr] 24.80659163 (3) 26.83291354 (3) 24.807 (3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.36 (0.1) 21.38 (0.09) 21.38 (0.09)
g magnitude 20.89 (0.03) 20.92 (0.04) 20.92 (0.04)
r magnitude 20.87 (0.04) 20.91 (0.04) 20.91 (0.04)
i magnitude 21.01 (0.06) 21.07 (0.06) 21.07 (0.06)
z magnitude 21.08 (0.2) 21.01 (0.2) 21.01 (0.2)
G magnitude 20.87 (0.1) 20.93 20.87 (0.01)
BP magnitude 21.15 (0.1) 20.98
RP magnitude 20.34 (0.1) 20.68
Pan g magnitude 20.91 (0.06)
Pan r magnitude 20.85 (0.01)
Pan i magnitude 20.99 (0.03)
Pan z magnitude 20.96 (0.03)
Pan y magnitude
E(B-V) 0.022

* 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.