WD 1441+323

All names: SDSS J144317.54+320657.4, WDJ144317.55+320657.41, GALEX J144317.6+320658, WD 1441+323, J1443+3206, Gaia DR3 1286399437381641728, HS 1441+3219, 2MASS J14431753+3206573, CBS 391, Gaia DR2 1286399437380838784, Gaia EDR3 1286399437381641728, LAMOST J144317.53+320657.6, SDSS J144317.54+320657.5, TIC 138255728

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Guo et al. 2015 Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 43 17.54 (0.02) 14 43 17.54 (0.03) 14 43 17.54 14 43 17.55 (0.02) 14 43 17.54 14 43 17.40
Declination 32 06 57.73 (0.04) 32 06 57.72 (0.05) 32 06 57.73 32 06 57.41 (0.04) 32 06 57.72 32 06 54.72
Spectral type DA DA DA DA DA DA3.9 DA
Effective temperature [K] 12474.0 (122) 12447.0 17069.0 (211) 12890.0 (247) 12050.0 (101)
log(g) [cgs] 8.11 (0.009) 8.11 8.02 (0.04) 8.05 (0.06) 8.08 (0.009)
Mass [M] 0.672 (0.008) 0.671 0.63 (0.02) 0.64 (0.04) 0.651 (0.008)
log(Luminosity) [L]
Cooling age [Gyr] 0.3938
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] 11.09 (0.06) 11.07 (0.08) 11.09 11.09 (0.06) 11.07 (0.08)
Distance [pc] 90.19 (0.5) 90.34 (0.7) 75.00 90.19 90.19 (0.5) 90.34 (0.7)
Composition H H
Proper motion (right ascension) [mas/yr] -8.551567837 (0.03) -8.446545687 (0.06) -8.552 (0.03) -8.446545687
Proper motion (declination) [mas/yr] 20.33452367 (0.06) 20.36027341 (0.1) 20.335 (0.06) 20.36027341
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.00
V magnitude
R magnitude
I magnitude
J magnitude 16.78 (0.1)
H magnitude 16.63 (0.3)
K magnitude
u magnitude 16.85 (0.008) 16.85 (0.008)
g magnitude 16.48 (0.004) 16.48 (0.004)
r magnitude 16.67 (0.005) 16.67 (0.005)
i magnitude 16.89 (0.005) 16.89 (0.005)
z magnitude 17.13 (0.01) 17.13 (0.01)
G magnitude 16.58 (0.003) 16.59 16.58 16.58 (0.003) 16.59
BP magnitude 16.58 (0.003) 16.55 16.55
RP magnitude 16.60 (0.003) 16.59 16.59
Pan g magnitude 16.48 (0.005)
Pan r magnitude 16.68 (0.004)
Pan i magnitude 16.91 (0.004)
Pan z magnitude 17.12 (0.002)
Pan y magnitude 17.27 (0.007)
E(B-V) 0.010

* 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.