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
Spectra without link are available upon request
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.