NLTT 29085

All names: USNO-B1.0 0965-00208494, SDSS J115745.82+063148.1, SDSS J115745.89+063148.2, J1157+0631, SDSS J115745.89+063148.3, Gaia DR3 3898377201369256576, Gaia DR2 3898377201369256576, Gaia EDR3 3898377201369256576, WDJ115745.93+063148.28, LP 554-8, NLTT 29085, LSPM J1157+0631, WIRED J115745.89+063148.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 57 45.64 (0.08) 11 57 45.83 11 57 45.65 (0.1) 11 57 45.64 11 57 45.93 (0.08) 11 57 45.65 11 57 45.89
Declination 06 31 47.89 (0.06) 06 31 48.12 06 31 47.90 (0.07) 06 31 47.89 06 31 48.28 (0.06) 06 31 47.90 06 31 48.26
Spectral type DA DA DA DA DA
Effective temperature [K] 8051.0 (26) 8081.0 7814.0 8058.0 (108) 7961.0 (29)
log(g) [cgs] 7.93 (0.01) 7.94 7.84 7.95 (0.03) 7.75 (0.06)
Mass [M] 0.556 (0.01) 0.562 0.488 0.563 (0.02) 0.477 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.0000 0.9674 0.9668
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] 13.05 (0.09) 12.99 (0.2) 12.99 (0.2) 13.05 13.05 (0.09) 12.99 (0.2)
Distance [pc] 76.63 (0.5) 76.98 (0.9) 76.99 (0.9) 76.63 76.63 (0.5) 76.99 (0.9)
Composition H
Proper motion (right ascension) [mas/yr] -270.4683672 (0.1) -270.2034985 (0.2) -270.468 (0.1) -270.2034985
Proper motion (declination) [mas/yr] -24.07891232 (0.07) -24.11162807 (0.2) -24.079 (0.07) -24.11162807
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.10
V magnitude
R magnitude 17.50
I magnitude
J magnitude 16.85 (0.01) 16.85 (0.01)
H magnitude 16.69 (0.02) 16.69 (0.02)
K magnitude 16.66 (0.05) 16.66 (0.05)
u magnitude 17.81 (0.01) 17.81 (0.01) 17.81 (0.01) 17.82 (0.01) 17.84 (0.04)
g magnitude 17.36 (0.005) 17.36 (0.005) 17.36 (0.005) 17.39 (0.03)
r magnitude 17.28 (0.005) 17.28 (0.005) 17.31 (0.005) 17.32 (0.01)
i magnitude 17.34 (0.006) 17.34 (0.006) 17.34 (0.006) 17.34 (0.02)
z magnitude 17.44 (0.01) 17.44 (0.01) 17.44 (0.01) 17.44 (0.02)
G magnitude 17.26 (0.006) 17.27 17.26 17.26 (0.003) 17.27
BP magnitude 17.39 (0.006) 17.39 17.39
RP magnitude 17.04 (0.007) 17.03 17.03
Pan g magnitude 17.36 (0.003) 17.36 (0.003)
Pan r magnitude 17.32 (0.007) 17.32 (0.007)
Pan i magnitude 17.35 (0.003) 17.35 (0.004)
Pan z magnitude 17.45 (0.001) 17.45 (0.001)
Pan y magnitude 17.51 (0.01) 17.51 (0.01)
E(B-V) 0.003

* 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.