Gaia DR2 2112829347892877952

All names: Gaia DR3 2112829347892877952, LSPM J1815+4054E, WDJ181516.17+405418.91, 2MASS J18151620+4054195, TIC 76254110, Gaia DR2 2112829347892877952, WDJ181516.17+405418.92, Gaia EDR3 2112829347892877952, USNO-B1.0 1309-00299125

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 18 15 16.05 (0.07) 18 15 16.06 18 15 16.05 18 15 16.17 (0.07) 18 15 16.06
Declination 40 54 16.52 (0.07) 40 54 16.60 40 54 16.52 40 54 18.92 (0.07) 40 54 16.60
Spectral type DC D
Effective temperature [K] 6022.0 5764.0 5386.0 (2355)
log(g) [cgs] 8.20 8.05 8.11 (0.2)
Mass [M] 0.714 0.602 0.637 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 3.6340 3.5710
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 21.67 (0.07) 21.64 (0.1) 21.67 21.67 (0.07) 21.64 (0.1)
Distance [pc] 46.15 (0.2) 46.20 (0.2) 46.15 46.15 (0.2) 46.20 (0.2)
Composition
Proper motion (right ascension) [mas/yr] -80.08665712 (0.09) -80.16991892 (0.2) -80.087 (0.09) -80.16991892
Proper motion (declination) [mas/yr] -149.9419423 (0.09) -149.7593601 (0.2) -149.942 (0.09) -149.7593601
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.50
V magnitude
R magnitude 17.10
I magnitude
J magnitude 16.67 (0.1)
H magnitude
K magnitude 15.52 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.61 (0.01) 17.63 17.61 17.61 (0.003) 17.63
BP magnitude 17.91 (0.01) 17.91 17.91
RP magnitude 17.16 (0.01) 17.16 17.16
Pan g magnitude 17.94 (0.004)
Pan r magnitude 17.61 (0.003)
Pan i magnitude 17.50 (0.002)
Pan z magnitude 17.47 (0.006)
Pan y magnitude 17.49 (0.01)
E(B-V) 0.006

* 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.