PG 1451+397

All names: PG1451+397, Gaia EDR3 1296418427846820608, SDSS J145322.70+392947.4, GALEX J145322.7+392947, FBS B 120, PG 1451+397, Gaia DR3 1296418427846820608, Gaia DR2 1296418427846820608, LAMOST J145322.79+392947.3, UCAC4 648-053532, SDSS J145322.70+392947.47, CBS 208, FBS 1451+397

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Geier 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 14 53 22.70 (0.03) 14 53 22.70 14 53 22.72 14 53 22.70 (0.04) 14 53 22.70 (0.03)
Declination 39 29 47.46 (0.04) 39 29 47.47 39 29 47.51 39 29 47.46 (0.05) 39 29 47.46 (0.04)
Spectral type sdB sdB sdB sdB
Effective temperature [K] 30110.0 (470) 29686.0 32468.0 (7)
log(g) [cgs] 5.81 (0.1) 5.30 6.05 (0.002)
Mass [M] 0.117
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.60 (0.05) 0.63 (0.06) 0.63 (0.06) 0.60 (0.05)
Distance [pc] 1662.66 (127) 1597.19 (152) 1597.26 (152) 1662.79 (127)
Composition
Proper motion (right ascension) [mas/yr] -3.960663769 (0.04) -4.0 (0.08) -3.999768797 (0.08) -3.961 (0.04)
Proper motion (declination) [mas/yr] -0.006155776 (0.04) -0.021 (0.1) -0.02119375 (0.1) -0.006 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.82 (0.09)
V magnitude 16.18 (0.04)
R magnitude 15.93 (0.4)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 15.63 (0.005) 15.63 (0.005) 15.66 (0.02) 15.63 (0.005)
g magnitude 15.88 (0.005) 15.88 (0.005) 15.96 (0.02) 15.85 (0.1)
r magnitude 16.39 (0.005) 16.39 (0.005) 16.40 (0.02) 16.46 (0.09)
i magnitude 16.74 (0.006) 16.74 (0.006) 16.76 (0.02) 16.74 (0.006)
z magnitude 17.07 (0.01) 17.07 (0.01) 17.08 (0.02) 17.09 (0.02)
G magnitude 16.14 (0.002) 16.16 (0.002) 16.16 16.14 (0.003)
BP magnitude 15.99 (0.002) 15.94 (0.009) 15.94
RP magnitude 16.44 (0.003) 16.44 (0.005) 16.44
Pan g magnitude 15.95 (0.004) 15.95 (0.004)
Pan r magnitude 16.40 (0.003) 16.39 (0.003)
Pan i magnitude 16.76 (0.002) 16.76 (0.002)
Pan z magnitude 17.05 (0.005) 17.05 (0.005)
Pan y magnitude 17.26 (0.01) 17.26 (0.01)
E(B-V) 0.023

* 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.