Gaia DR2 2090789225002514048

All names: TIC 28638516, Gaia DR3 2090789225002514048, NLTT 47095, 2MASS J18504245+3401088, Gaia DR2 2090789225002514048, USNO-B1.0 1240-00296383, WDJ185042.69+340109.86, LSPM J1850+3401, LP 280-20, Gaia EDR3 2090789225002514048, WISE J185042.44+340108.7

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 50 42.58 (0.06) 18 50 42.58 18 50 42.58 18 50 42.69 (0.06) 18 50 42.58
Declination 34 01 07.55 (0.08) 34 01 07.63 34 01 07.55 34 01 09.86 (0.08) 34 01 07.63
Spectral type DA DA
Effective temperature [K] 7280.0 7017.0 7477.0 (106)
log(g) [cgs] 7.90 7.79 7.98 (0.03)
Mass [M] 0.537 0.456 0.579 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.2010 1.1860
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.98 (0.08) 10.95 (0.1) 10.98 10.98 (0.08) 10.95 (0.1)
Distance [pc] 91.10 (0.7) 91.31 (1) 91.10 91.10 (0.7) 91.31 (1)
Composition
Proper motion (right ascension) [mas/yr] -84.03230982 (0.08) -83.75059138 (0.2) -84.032 (0.08) -83.75059138
Proper motion (declination) [mas/yr] -144.3444644 (0.1) -144.3707475 (0.2) -144.344 (0.1) -144.3707475
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.90
V magnitude
R magnitude 17.40
I magnitude
J magnitude 16.77 (0.2)
H magnitude 16.01 (0.2)
K magnitude 15.52 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.95 (0.01) 17.97 17.95 17.95 (0.003) 17.97
BP magnitude 18.11 (0.01) 18.11 18.11
RP magnitude 17.64 (0.01) 17.65 17.65
Pan g magnitude 18.11 (0.004)
Pan r magnitude 17.99 (0.007)
Pan i magnitude 18.00 (0.004)
Pan z magnitude 18.03 (0.004)
Pan y magnitude 18.07 (0.009)
E(B-V) 0.018

* 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.