Gaia DR2 2267838943853424512

All names: WDJ18540.39+742532.42, Gaia EDR3 2267838943853424512, Gaia DR2 2267838943853424512, GALEX J185400.3+742531, Gaia DR3 2267838943853424512, WDJ185400.39+742532.43

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 54 00.25 (0.05) 18 54 00.25 18 54 00.25 18 54 00.39 (0.05) 18 54 00.25
Declination 74 25 31.63 (0.05) 74 25 31.65 74 25 31.63 74 25 32.43 (0.05) 74 25 31.65
Spectral type DA DA
Effective temperature [K] 9448.0 9393.0 9495.0 (92)
log(g) [cgs] 7.93 7.87 7.94 (0.02)
Mass [M] 0.561 0.503 0.564 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.6420 0.6180
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.19 (0.05) 12.17 (0.06) 12.19 12.19 (0.05) 12.17 (0.06)
Distance [pc] 82.04 (0.3) 82.14 (0.4) 82.04 82.04 (0.3) 82.14 (0.4)
Composition
Proper motion (right ascension) [mas/yr] -35.31224604 (0.06) -35.41728519 (0.1) -35.312 (0.07) -35.41728519
Proper motion (declination) [mas/yr] -50.13288968 (0.06) -50.12714397 (0.2) -50.133 (0.06) -50.12714397
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.83 (0.005) 16.85 16.83 16.83 (0.003) 16.85
BP magnitude 16.90 (0.005) 16.89 16.89
RP magnitude 16.71 (0.007) 16.71 16.71
Pan g magnitude 16.86 (0.005)
Pan r magnitude 16.92 (0.006)
Pan i magnitude 17.03 (0.003)
Pan z magnitude 17.19 (0.005)
Pan y magnitude 17.27 (0.009)
E(B-V) 0.008

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.