EC 19569-3953

All names: TIC 300788845, Gaia EDR3 6687691308860097152, GALEX J200019.4-394535, EC19569-3953, Gaia DR3 6687694542972108672, 2MASS J20001948-3945354, UCAC4 252-183423, EC 19569-3953, Gaia DR2 6687694542972108672

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 20 00 26.66 (0.4) 20 00 19.41 20 00 19.47 (0.04)
Declination -39 46 51.64 (0.4) -39 45 34.96 -39 45 35.25 (0.03)
Spectral type sdB sdB
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.09 (0.5) 0.44 (0.09) 0.52 (0.05)
Distance [pc] 918.95 (460) 2284.15 (468) 1906.58 (178)
Composition
Proper motion (right ascension) [mas/yr] -2.631 (0.4) -5.747 (0.2) -5.829 (0.04)
Proper motion (declination) [mas/yr] -3.447 (0.4) -2.764 (0.09) -2.765 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.53
V magnitude 15.62
R magnitude
I magnitude
J magnitude 16.13 (0.08) 16.13 (0.08)
H magnitude 15.84 (0.1) 15.84 (0.1)
K magnitude 15.78 (0.3) 15.78 (0.3)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.98 (0.006) 15.99 (0.002) 15.97 (0.003)
BP magnitude 20.23 (0.1) 15.80 (0.01)
RP magnitude 19.52 (0.07) 16.12 (0.005)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.045

* 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.