LSPM J1406+1812

All names: PSO J211.5713+18.2129, WIRED J140617.23+181248.2, SDSS J140617.23+181248.2, Gaia DR3 1245468295966061952, J1406+1812, WDJ140617.30+181249.13, 2MASS J14061729+1812495, LSPM J1406+1812, GALEX J140617.2+181248, NLTT 36254, SDSS J140617.23+181248.1, USNO-B1.0 1082-00251036, LP 439-227, Gaia DR2 1245468295966061952, TIC 135166431, Gaia EDR3 1245468295966061952

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 06 17.10 (0.05) 14 06 17.23 14 06 17.10 (0.05) 14 06 17.10 14 06 17.30 (0.05) 14 06 17.10 14 06 17.23
Declination 18 12 46.27 (0.05) 18 12 48.21 18 12 46.36 (0.06) 18 12 46.27 18 12 49.13 (0.05) 18 12 46.36 18 12 48.21
Spectral type DA DA DA DA DA DA DA DA DA
Effective temperature [K] 7199.0 (46) 7243.0 (40) 7198.0 (46) 7200.0 (80) 7222.0 7198.0 (60) 7108.0 (21)
log(g) [cgs] 8.37 (0.01) 8.40 (0.01) 8.38 (0.01) 8.39 (0.02) 8.39 8.37 (0.01) 8.15 (0.03)
Mass [M] 0.831 (0.009) 0.848 (0.008) 0.837 (0.01) 0.843 (0.01) 0.841 0.83 (0.01) 0.68 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 3.2500 3.1230 (0.1) 3.0830
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] 22.56 (0.08) 22.72 (0.1) 22.73 (0.1) 22.72 (0.1) 22.56 22.56 (0.08) 22.72 (0.1)
Distance [pc] 44.32 (0.2) 44.01 (0.2) 44.01 (0.2) 44.00 (0.2) 44.32 44.32 (0.2) 44.00 (0.2)
Composition H H H H
Proper motion (right ascension) [mas/yr] -182.8686451 (0.08) -182.6586841 (0.2) -182.869 (0.08) -182.6586841
Proper motion (declination) [mas/yr] -178.6479768 (0.06) -178.5389282 (0.2) -178.648 (0.06) -178.5389282
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.20
V magnitude
R magnitude 17.30
I magnitude
J magnitude 16.52 (0.01) 16.72 (0.1) 16.72 (0.1)
H magnitude 16.41 (0.2) 16.41 (0.2) 16.41 (0.2)
K magnitude
u magnitude 17.84 (0.01) 17.81 (0.01) 17.84 (0.01) 17.84 (0.01) 17.82 (0.02)
g magnitude 17.30 (0.005) 17.28 (0.01) 17.30 (0.005) 17.31 (0.02)
r magnitude 17.16 (0.005) 17.14 (0.003) 17.16 (0.005) 17.16 (0.02)
i magnitude 17.13 (0.006) 17.12 (0.005) 17.13 (0.006) 17.14 (0.02)
z magnitude 17.15 (0.01) 17.19 (0.004) 17.15 (0.01) 17.15 (0.02)
G magnitude 17.11 (0.008) 17.13 17.11 17.11 (0.003) 17.13
BP magnitude 17.28 (0.008) 17.31 17.31
RP magnitude 16.80 (0.006) 16.80 16.80
Pan g magnitude 17.28 (0.01) 17.28 (0.01) 17.28 (0.01)
Pan r magnitude 17.14 (0.003) 17.14 (0.003) 17.14 (0.003)
Pan i magnitude 17.12 (0.005) 17.12 (0.005) 17.12 (0.005)
Pan z magnitude 17.19 (0.004) 17.19 (0.004) 17.19 (0.004)
Pan y magnitude 17.23 (0.008) 17.23 (0.009) 17.23 (0.009)
E(B-V) 0.002

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.