SDSS J181110.58+242312.9

All names: LP 390-13, J1811+2423, Gaia EDR3 4578464515115212672, WDJ181110.56+242312.05, SDSS J181110.58+242312.9, NLTT 46074, 2MASS J18111062+2423121, LSPM J1811+2423, Gaia DR3 4578464515115212672, SDSS J181110.59+242313.0, TIC 423116323, Gaia DR2 4578464515115212672, SDSS J181110.59+242312.9, GALEX J181110.5+242313, USNO-B1.0 1143-00281695

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 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 18 11 10.65 (0.04) 18 11 10.59 18 11 10.65 (0.04) 18 11 10.65 18 11 10.56 (0.04) 18 11 10.65 18 11 10.59
Declination 24 23 15.14 (0.05) 24 23 12.99 24 23 15.04 (0.07) 24 23 15.14 24 23 12.05 (0.05) 24 23 15.04 24 23 12.91
Spectral type DA DA DA DA DA DA DA DA
Effective temperature [K] 8197.0 (54) 8200.0 (49) 8195.0 (55) 8226.0 8410.0 (84) 8515.0 (30)
log(g) [cgs] 8.03 (0.01) 8.04 (0.01) 8.03 (0.01) 8.04 8.08 (0.02) 8.09 (0.05)
Mass [M] 0.61 (0.01) 0.617 (0.01) 0.615 (0.01) 0.62 0.645 (0.01) 0.648 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.1000 1.0590
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] 13.41 (0.06) 13.49 (0.08) 13.49 (0.08) 13.41 13.41 (0.06) 13.49 (0.08)
Distance [pc] 74.60 (0.3) 74.13 (0.4) 74.15 (0.4) 74.60 74.60 (0.3) 74.15 (0.4)
Composition H H H
Proper motion (right ascension) [mas/yr] 83.36957821 (0.05) 83.42962931 (0.09) 83.37 (0.05) 83.42962931
Proper motion (declination) [mas/yr] 193.1064539 (0.07) 193.1105827 (0.1) 193.106 (0.07) 193.1105827
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.20
V magnitude
R magnitude 17.30
I magnitude
J magnitude 16.86 (0.02) 16.64 (0.1)
H magnitude
K magnitude
u magnitude 17.79 (0.01) 17.80 (0.01) 17.79 (0.01) 17.79 (0.01) 17.78 (0.02)
g magnitude 17.35 (0.005) 17.35 (0.005) 17.35 (0.005) 17.38 (0.02)
r magnitude 17.30 (0.005) 17.30 (0.005) 17.30 (0.005) 17.29 (0.01)
i magnitude 17.32 (0.006) 17.32 (0.006) 17.32 (0.006) 17.32 (0.01)
z magnitude 17.46 (0.02) 17.46 (0.01) 17.46 (0.01) 17.45 (0.02)
G magnitude 17.26 (0.005) 17.27 17.26 17.26 (0.003) 17.27
BP magnitude 17.38 (0.005) 17.37 17.37
RP magnitude 17.05 (0.005) 17.04 17.04
Pan g magnitude 17.35 (0.006) 17.35 (0.006)
Pan r magnitude 17.30 (0.003) 17.30 (0.003)
Pan i magnitude 17.36 (0.005) 17.36 (0.004)
Pan z magnitude 17.47 (0.006) 17.47 (0.005)
Pan y magnitude 17.51 (0.01) 17.51 (0.01)
E(B-V) 0.015

* 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.