SDSS J153122.57+455156.4

All names: Gaia DR2 1394909071690710144, SDSS J153122.56+455156.4, Gaia DR3 1394909071690710272, SDSS J153122.57+455156.40, GALEX J153122.7+455154, SDSS J153122.57+455156.4, Gaia EDR3 1394909071690710272

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 15 31 22.57 (0.5) 15 31 22.57 15 31 22.57 (1) 15 31 22.57 (0.5)
Declination 45 51 56.23 (0.5) 45 51 56.42 45 51 56.24 (1) 45 51 56.46 (0.5)
Spectral type DA+M DA+M DA+M
Effective temperature [K] 5918.0 8644.0 (145)
log(g) [cgs] 6.35 8.32 (0.2)
Mass [M] 0.065 0.642 (0.1)
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] 2.18 (0.5) 2.36 (1) 2.18 (0.5)
Distance [pc] 458.70 (112) 424.42 (221) 458.69 (112)
Composition H
Proper motion (right ascension) [mas/yr] 0.829801183 (0.7) 1.877255534 (2) 0.83 (0.7)
Proper motion (declination) [mas/yr] -14.46011379 (0.7) -9.988904274 (2) -14.46 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.35 (0.1) 21.35 (0.1) 21.35 (0.1)
g magnitude 20.77 (0.03) 20.79 (0.03) 20.77 (0.03)
r magnitude 20.60 (0.04) 20.63 (0.04) 20.59 (0.04)
i magnitude 20.30 (0.04) 20.32 (0.04) 20.32 (0.04)
z magnitude 19.64 (0.08) 19.68 (0.1) 19.62 (0.08)
G magnitude 20.45 (0.1) 20.52 20.45 (0.007)
BP magnitude 20.75 (0.1) 20.64
RP magnitude 19.71 (0.08) 19.72
Pan g magnitude 20.78 (0.03)
Pan r magnitude 20.60 (0.02)
Pan i magnitude 20.33 (0.02)
Pan z magnitude 19.75 (0.05)
Pan y magnitude 19.34 (0.06)
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.