WD 1558+616

All names: SDSS J155855.55+613203.3, TIC 199522461, WISE J155855.53+613203.7, ** FAR 44, Gaia EDR3 1627651455379224576, HS 1558+6140, 2MASS J15585553+6132037, WDS J15589+6132AB, WISEA J155855.52+613203.6, SDSS J155855.54+613203.2, Gaia DR2 1627651459675178752, WD 1558+616

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Gianninas et al. 2011 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 58 55.56 (0.1) 15 58 55.51 (0.2) 15 58 55.54 (140) 15 58 55.15
Declination 61 32 02.95 (0.2) 61 32 03.61 (0.2) 61 32 03.73 (60) 61 32 03.48
Spectral type DA DA2.6 DA
Effective temperature [K] 19420.0 (390)
log(g) [cgs] 7.98 (0.06)
Mass [M] 0.61 (0.03)
log(Luminosity) [L]
Cooling age [Gyr]
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] 5.75 (0.2) 6.49 (0.2)
Distance [pc] 174.04 (5) 154.20 (4) 145.00
Composition H
Proper motion (right ascension) [mas/yr] -4.855511419 (0.2) -4.418249345 (0.3)
Proper motion (declination) [mas/yr] -14.47728169 (0.2) -10.68334182 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 14.20 (0.03)
H magnitude 13.60 (0.04)
K magnitude 13.37 (0.04)
u magnitude 17.15 (0.01)
g magnitude 16.83 (0.008)
r magnitude 16.82 (0.009)
i magnitude 16.13 (0.009)
z magnitude 15.55 (0.01)
G magnitude 17.13 (0.007) 16.95
BP magnitude 16.87 (0.007) 16.77
RP magnitude 15.77 (0.01) 15.73
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.015

* 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.