SDSS J141520.52+560547.5

All names: GALEX J141520.4+560548, Gaia DR2 1609715397073605120, SDSS J141520.52+560547.5, Gaia EDR3 1609715397073605120, Gaia DR3 1609715397073605120, SDSS J141520.50+560547.4, SDSS J141520.52+560547.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 15 20.50 (0.2) 14 15 20.51 14 15 20.50 (0.3) 14 15 20.51 (0.2) 14 15 20.52
Declination 56 05 46.58 (0.2) 56 05 47.46 56 05 46.61 (0.2) 56 05 47.45 (0.2) 56 05 47.45
Spectral type DA DA DA
Effective temperature [K] 8329.0 (66)
log(g) [cgs] 7.90 (0.1)
Mass [M] 0.543 (0.08)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.74 (0.2) 3.67 (0.3) 3.74 (0.2)
Distance [pc] 267.54 (17) 272.58 (21) 267.54 (17)
Composition
Proper motion (right ascension) [mas/yr] -2.168214715 (0.3) -1.52883174 (0.5) -2.168 (0.3)
Proper motion (declination) [mas/yr] -54.4355805 (0.3) -54.31754036 (0.4) -54.436 (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 19.98 (0.04) 19.98 (0.04) 20.01 (0.05)
g magnitude 19.58 (0.01) 19.58 (0.01) 19.60 (0.03)
r magnitude 19.54 (0.02) 19.54 (0.02) 19.55 (0.02)
i magnitude 19.55 (0.02) 19.55 (0.02) 19.58 (0.03)
z magnitude 19.91 (0.1) 19.91 (0.1) 19.89 (0.09)
G magnitude 19.52 (0.03) 19.57 19.52 (0.004)
BP magnitude 19.65 (0.03) 19.61
RP magnitude 19.29 (0.05) 19.26
Pan g magnitude 19.55 (0.02)
Pan r magnitude 19.51 (0.01)
Pan i magnitude 19.60 (0.01)
Pan z magnitude 19.70 (0.02)
Pan y magnitude 19.62 (0.08)
E(B-V) 0.018

* 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.