SDSS J155115.08+351526.8

All names: SDSS J155115.09+351526.9, Gaia EDR3 1372588264092937984, WD 1549+354, SDSS J155115.08+351526.8, SDSS J155115.09+351526.8, GALEX J155115.0+351527, Gaia DR3 1372588264092937984, Gaia DR2 1372588259797498240

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 51 15.08 (0.1) 15 51 15.09 15 51 15.08 (0.2) 15 51 15.08 15 51 15.09 (0.1) 15 51 15.09 15 51 14.81 15 51 15.09
Declination 35 15 26.97 (0.1) 35 15 26.84 35 15 26.96 (0.2) 35 15 26.97 35 15 26.81 (0.1) 35 15 26.87 35 15 20.88 35 15 26.87
Spectral type DA DA DA DA_auto DA DA DA
Effective temperature [K] 8150.0 7753.0 (233) 8045.0 (65) 7499.0 (69)
log(g) [cgs] 7.98 7.83 (0.07) 8.53 (0.1) 7.61 (0.2)
Mass [M] 0.584 0.499 (0.05) 0.423 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 0.9959
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] 5.82 (0.2) 5.60 (0.2) 5.82 5.82 (0.2)
Distance [pc] 171.77 (5) 178.57 (7) 171.77 171.77 (5)
Composition H
Proper motion (right ascension) [mas/yr] -7.105750162 (0.2) -7.089536406 (0.4) -7.106 (0.2) -15.2
Proper motion (declination) [mas/yr] 9.543971152 (0.2) 9.982311896 (0.4) 9.544 (0.2) -0.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.77 (0.03) 19.77 (0.03) 19.70 (0.04) 19.70 19.71 (0.04)
g magnitude 19.23 (0.01) 19.23 (0.01) 19.20 (0.02) 19.20 19.21 (0.02)
r magnitude 19.15 (0.01) 19.15 (0.01) 19.12 (0.03) 19.12 19.13 (0.03)
i magnitude 19.15 (0.01) 19.15 (0.01) 19.14 (0.07) 19.14 19.15 (0.07)
z magnitude 19.34 (0.05) 19.34 (0.05) 19.21 (0.1) 19.21 19.22 (0.1)
G magnitude 19.04 (0.03) 19.08 19.04 19.04 (0.004)
BP magnitude 19.14 (0.03) 19.17
RP magnitude 18.54 (0.04) 18.49
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.019

* 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.