USNO-B1.0 0988-00251407

All names: ** DAY 2A, Gaia DR2 1161820298887863424, SDSS J145932.02+085125.7, USNO-B1.0 0988-00251407, WISE J145931.95+085123.8, Gaia EDR3 1161820298887863424, SDSS J145932.03+085125.7, ULAS J145931.97+085125.5, J1459+0851, WDS J14595+0851A, WISEA J145931.94+085123.9, LSPM J1459+0851, WDJ145932.07+085125.85, Gaia DR3 1161820298887863424

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Gaia DR2 Stilism Ferrario et al. 2015 Simbad Gentile Fusillo et al. 2018
Right ascension 14 59 31.88 (0.2) 14 59 31.88 (0.3) 14 59 32.07 (0.2) 14 59 31.88
Declination 08 51 25.15 (0.2) 08 51 25.17 (0.3) 08 51 25.86 (0.2) 08 51 25.17
Spectral type DA DA DA
Effective temperature [K] 5436.0 (35) 5433.0 (34) 5535.0 (45)
log(g) [cgs] 8.12 (0.03) 8.18 (0.03) 8.00 (0)
Mass [M] 0.661 (0.02) 0.695 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 5.3800
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] 13.47 (0.3) 13.79 (0.3) 13.79 (0.3) 13.47 (0.3) 13.79 (0.3)
Distance [pc] 74.24 (2) 72.52 (2) 72.51 (2) 74.24 (2) 72.51 (2)
Composition H H
Proper motion (right ascension) [mas/yr] -175.3101101 (0.3) -175.258805 (0.6) -175.31 (0.3) -175.258805
Proper motion (declination) [mas/yr] -44.517693 (0.2) -43.84091423 (0.6) -44.518 (0.2) -43.84091423
Variability
Magnetic yes
Bd [MG] 2
Infrared excess (disk)
Binarity
B magnitude 19.80
V magnitude
R magnitude 18.80
I magnitude
J magnitude 17.91 (0.03) 17.91 (0.03)
H magnitude 17.65 (0.04) 17.65 (0.04)
K magnitude 17.60 (0.07) 17.60 (0.07)
u magnitude 20.99 (0.1) 20.76 (0.07) 20.76 (0.07)
g magnitude 19.50 (0.01) 19.50 (0.01)
r magnitude 18.99 (0.01) 18.99 (0.01)
i magnitude 18.75 (0.01) 18.75 (0.01)
z magnitude 18.70 (0.03) 18.70 (0.03)
G magnitude 19.00 (0.06) 19.04 19.00 (0.004) 19.04
BP magnitude 19.45 (0.06) 19.47 19.47
RP magnitude 18.50 (0.08) 18.50 18.50
Pan g magnitude 19.44 (0.01) 19.44 (0.009)
Pan r magnitude 18.98 (0.03) 18.98 (0.02)
Pan i magnitude 18.78 (0.04) 18.78 (0.03)
Pan z magnitude 18.73 (0.009) 18.73 (0.01)
Pan y magnitude 18.66 (0.01) 18.66 (0.01)
E(B-V) 0.007

* 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.