Ton S 6

All names: EC20455-2817, GALEX J204834.2-280551, TIC 409141608, Gaia EDR3 6795823711903498624, EC 20455-2817, UCAC4 310-261192, 2MASS J20483421-2805522, BPS CS 30336-0016, Ton S 6, Gaia DR2 6795822955989248384, Gaia DR3 6795822955989248384

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 20 48 30.00 (0.4) 20 48 34.29 20 48 34.21 (0.03)
Declination -28 04 57.74 (0.2) -28 05 52.30 -28 05 52.35 (0.02)
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] 1.12 (0.5) 0.12 (0.06) 0.14 (0.04)
Distance [pc] 889.52 (382) 8285.00 (4324) 7396.45 (1986)
Composition
Proper motion (right ascension) [mas/yr] 1.325 (0.5) 3.168 (0.1) 3.164 (0.04)
Proper motion (declination) [mas/yr] -7.975 (0.4) -0.583 (0.08) -0.577 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.32
V magnitude 15.45
R magnitude 15.65 (0.1)
I magnitude
J magnitude 15.38 (0.05) 15.38 (0.05)
H magnitude 15.27 (0.1) 15.27 (0.1)
K magnitude 15.65 (0.2) 15.65 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.80 (0.004) 15.38 (0.0006) 15.37 (0.003)
BP magnitude 20.13 (0.06) 15.29 (0.004)
RP magnitude 19.36 (0.05) 15.41 (0.003)
Pan g magnitude 15.32 (0.004)
Pan r magnitude 15.54 (0.002)
Pan i magnitude 15.74 (0.003)
Pan z magnitude 15.90 (0.003)
Pan y magnitude 16.01 (0.007)
E(B-V) 0.049

* 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.