Gaia DR2 6800380775284148864

All names: WDJ203645.86-251440.74, WISE J203645.88-251442.2, Gaia EDR3 6800380775284148864, EC 20337-2525, UCAC4 324-211819, MCT 2033-2525, Gaia DR3 6800380775284148864, WDJ203645.86-251440.75, 2MASS J20364586-2514406, Gaia DR2 6800380775284148864

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Bergeron et al. 2021 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 20 36 45.91 (0.03) 20 36 45.91 20 36 45.91 20 36 45.86 (0.03) 20 36 45.91
Declination -25 14 43.10 (0.02) -25 14 43.03 -25 14 43.10 -25 14 40.75 (0.02) -25 14 43.03
Spectral type DBA DB DBA
Effective temperature [K] 15225.0 (356) 13437.0 14553.0 15046.0 (151)
log(g) [cgs] 7.94 (0.07) 7.78 7.89 7.93 (0.01)
Mass [M] 0.559 (0.04) 0.49 0.529 0.552 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.1758 0.1997 0.1847
log(H/He) -4.8
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 16.38 (0.03) 16.42 (0.05) 16.38 16.38 (0.03) 16.42 (0.05)
Distance [pc] 61.04 (0.1) 61.00 60.88 (0.2) 61.04 61.04 (0.1) 60.88 (0.2)
Composition He
Proper motion (right ascension) [mas/yr] 38.88678882 (0.03) 38.94797681 (0.08) 38.887 (0.03) 38.94797681
Proper motion (declination) [mas/yr] -147.1082317 (0.03) -147.0590618 (0.07) -147.108 (0.03) -147.0590618
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.03
V magnitude 15.07
R magnitude 15.47 (0.2)
I magnitude
J magnitude 15.47 (0.06)
H magnitude 15.50 (0.1)
K magnitude 15.25 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.07 (0.001) 15.09 15.07 15.07 (0.003) 15.09
BP magnitude 15.01 (0.001) 14.95 14.95
RP magnitude 15.18 (0.002) 15.18 15.18
Pan g magnitude 15.01 (0.004)
Pan r magnitude 15.26 (0.003)
Pan i magnitude 15.50 (0.002)
Pan z magnitude 15.74 (0.004)
Pan y magnitude 15.89 (0.005)
E(B-V) 0.002

* 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.