WD 1548+149

All names: Gaia DR2 1192764133804981376, PG 1548+149, WDJ155115.42+144659.26, USNO-B1.0 1047-00252803, Gaia DR3 1192764133804981376, Gaia EDR3 1192764133804981376, GALEX J155115.4+144659, TIC 284761884, SDSS J155115.41+144658.9, WD 1548+149, 2MASS J15511542+1446591

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Koester et al. 2014 Gianninas et al. 2011 Koester et al. 2009 Liebert et al. 2005 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 51 15.40 (0.03) 15 51 15.40 (0.04) 15 51 15.40 15 51 15.42 (0.03) 15 51 15.40 15 51 14.83
Declination 14 46 58.37 (0.02) 14 46 58.40 (0.03) 14 46 58.37 14 46 59.25 (0.02) 14 46 58.40 14 46 55.92
Spectral type DA DA DA DA2.4 DA2.5
Effective temperature [K] 20018.0 21686.0 (294) 21430.0 (336) 21452.0 (46) 20520.0 (318) 20787.0 (235)
log(g) [cgs] 7.93 7.90 (0.09) 7.90 (0.05) 7.86 (0.007) 7.89 (0.05) 7.97 (0.01)
Mass [M] 0.584 0.572 (0.05) 0.57 (0.03) 0.57 (0.02) 0.607 (0.008)
log(Luminosity) [L] -1.50
Cooling age [Gyr] 0.0570 0.0646
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H) -7.4 (0.1)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H) -7.65 (0.1)
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] 12.78 (0.04) 12.77 (0.07) 12.78 12.78 (0.04) 12.77 (0.07)
Distance [pc] 78.24 (0.3) 78.32 (0.4) 83.00 82.00 78.24 78.24 (0.3) 78.32 (0.4)
Composition H H
Proper motion (right ascension) [mas/yr] -11.65441018 (0.04) -11.98143225 (0.08) -11.654 (0.04) -11.98143225
Proper motion (declination) [mas/yr] -55.12893301 (0.03) -55.4376325 (0.06) -55.129 (0.03) -55.4376325
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.95
V magnitude 15.16 (0.03) 15.06 15.11
R magnitude 15.20
I magnitude
J magnitude 15.66 (0.01)
H magnitude 15.84 (0.03)
K magnitude 15.82 (0.06)
u magnitude 14.93 (0.02) 14.90 (0.005)
g magnitude 14.95 (0.01) 14.92 (0.004)
r magnitude 15.34 (0.01) 15.33 (0.004)
i magnitude 15.64 (0.01) 15.64 (0.005)
z magnitude 15.94 (0.02) 15.94 (0.007)
G magnitude 15.14 (0.001) 15.16 15.14 15.14 (0.003) 15.16
BP magnitude 15.05 (0.001) 15.01 15.01
RP magnitude 15.33 (0.002) 15.33 15.33
Pan g magnitude 14.99 (0.005)
Pan r magnitude 15.33 (0.003)
Pan i magnitude 15.67 (0.003)
Pan z magnitude 15.92 (0.004)
Pan y magnitude 16.08 (0.003)
E(B-V) 0.009

* 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.