NLTT 37753

All names: SDSS J143358.20+190737.4, Gaia EDR3 1239213243034520192, LSPM J1433+1907, 14339+1907, WD 1431+193, J1433+1907, LP 440-41, SDSS J143358.19+190737.3, WDJ143358.25+190738.16, Gaia DR2 1239213243034520192, 2MASS J14335820+1907382, NLTT 37753, PSO J218.4921+19.1266, USNO-B1.0 1091-00226688, Gaia DR3 1239213243034520192, TIC 257959972, PM J14339+1907

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 33 58.09 (0.09) 14 33 58.10 (0.2) 14 33 58.09 14 33 58.25 (0.09) 14 33 58.10 14 33 58.34
Declination 19 07 35.56 (0.1) 19 07 35.64 (0.2) 19 07 35.56 19 07 38.15 (0.1) 19 07 35.64 19 07 34.68
Spectral type DA DA DA DA DA DA DC: DA DC
Effective temperature [K] 5025.0 (30) 5049.0 (29) 5023.0 (30) 5080.0 (35) 5125.0 5020.0 (62) 5136.0 (49)
log(g) [cgs] 7.90 (0.02) 7.90 (0.02) 7.87 (0.02) 7.91 (0.03) 7.94 8.00 (0) 7.96 (0.03)
Mass [M☉] 0.519 (0.01) 0.521 (0.02) 0.504 (0.02) 0.525 (0.02) 0.543 0.58 (0.1) 0.556 (0.02)
log(Luminosity) [L☉] -4.04
Cooling age [Gyr] 4.2100 4.1160 (0.4) 4.2300
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] 20.52 (0.1) 20.24 (0.2) 20.24 (0.2) 20.24 (0.2) 20.52 20.52 (0.1) 20.24 (0.2)
Distance [pc] 48.73 (0.3) 49.41 (0.5) 49.42 (0.5) 49.42 (0.5) 45.80 (5) 48.73 48.73 (0.3) 49.42 (0.5)
Composition H H H H H
Proper motion (right ascension) [mas/yr] -140.5185467 (0.1) -139.963265 (0.3) -140.519 (0.1) -139.963265
Proper motion (declination) [mas/yr] -162.0391886 (0.1) -162.4221649 (0.4) -162.039 (0.1) -162.4221649
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.10
V magnitude
R magnitude 18.10
I magnitude
J magnitude 16.90 (0.03) 16.88 (0.2) 16.88 16.88 (0.2)
H magnitude 16.07 (0.03) 16.07
K magnitude 15.33 (0.03) 15.33
u magnitude 20.42 (0.05) 20.43 20.42 (0.05) 20.42 (0.05)
g magnitude 18.76 18.67 (0.008) 18.76 (0.008)
r magnitude 18.10 18.09 (0.006) 18.10 (0.007)
i magnitude 17.82 17.85 (0.009) 17.82 (0.007)
z magnitude 17.75 17.75 (0.02) 17.75 (0.02)
G magnitude 18.13 (0.02) 18.15 18.13 18.13 (0.003) 18.15
BP magnitude 18.60 (0.02) 18.66 18.66
RP magnitude 17.52 (0.01) 17.52 17.52
Pan g magnitude 18.67 (0.007) 18.67 (0.008) 18.67 (0.008)
Pan r magnitude 18.09 (0.005) 18.09 (0.006) 18.09 (0.006)
Pan i magnitude 17.85 (0.009) 17.85 (0.009) 17.85 (0.009)
Pan z magnitude 17.79 (0.02) 17.79 (0.02) 17.79 (0.02)
Pan y magnitude 17.77 (0.02) 17.77 (0.02) 17.77 (0.02)
E(B-V) 0.004

* 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.