SDSS J145825.87+511954.2

All names: WD 1456+515, SDSS J145825.87+511954.3, SDSS J145825.87+511954.2, Gaia DR3 1593351296797252096, Gaia DR2 1593351296797252096, SDSS J145825.80+511954.2, Gaia EDR3 1593351296797252096, SDSS J145825.87+511954.4, GALEX J145825.9+511954

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 58 25.87 (0.4) 14 58 25.87 14 58 25.87 (0.5) 14 58 25.88 (0.4) 14 58 25.87 14 58 25.15 14 58 25.87
Declination 51 19 54.40 (0.3) 51 19 54.38 51 19 54.40 (0.4) 51 19 54.30 (0.3) 51 19 54.30 51 19 52.32 51 19 54.30
Spectral type DA+dM:e DA+dM DA+M: DA dM: DA DA
Effective temperature [K] 10394.0 12305.0 (484) 12236.0 (455)
log(g) [cgs] 7.21 7.77 (0.2) 7.97 (0.2)
Mass [M] 0.267 0.59 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.2541
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] 1.56 (0.4) 1.52 (0.5) 1.56 (0.4)
Distance [pc] 639.73 (163) 657.05 (213) 639.71 (163)
Composition H
Proper motion (right ascension) [mas/yr] -11.06395911 (0.5) -11.9836892 (1) -11.064 (0.5) -9.1
Proper motion (declination) [mas/yr] 6.216061863 (0.6) 4.856235587 (1) 6.216 (0.6) 4.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.44 (0.05) 20.44 (0.05) 20.47 (0.05) 20.47 20.47 (0.05)
g magnitude 20.01 (0.02) 20.01 (0.02) 20.06 (0.02) 20.06 20.05 (0.02)
r magnitude 20.17 (0.02) 20.17 (0.02) 20.24 (0.03) 20.24 20.24 (0.03)
i magnitude 20.48 (0.04) 20.48 (0.04) 20.53 (0.04) 20.53 20.53 (0.04)
z magnitude 20.35 (0.1) 20.35 (0.1) 20.41 (0.1) 20.41 20.40 (0.1)
G magnitude 20.14 (0.05) 20.19 20.14 (0.006)
BP magnitude 20.13 (0.05) 20.04
RP magnitude 20.17 (0.09) 20.11
Pan g magnitude 20.03 (0.02)
Pan r magnitude 20.29 (0.02)
Pan i magnitude 20.40 (0.03)
Pan z magnitude 20.63 (0.04)
Pan y magnitude
E(B-V) 0.020

* 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.