SBSS 1655+588

All names: UCAC4 745-051772, GALEX J165624.3+584808, TIC 199713570, WISE J165624.34+584808.1, SBSS 1655+588, WISEA J165624.33+584808.1, Gaia DR2 1436982983638658048, 2MASS J16562432+5848082, SBSS1655+588, Gaia DR3 1436982983638658048

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 16 56 24.33 16 56 24.33 (0.02)
Declination 58 48 08.70 58 48 08.25 (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] 0.08 (0.04) 0.11 (0.02)
Distance [pc] 12594.46 (6805) 9174.31 (1995)
Composition
Proper motion (right ascension) [mas/yr] 1.17 (0.09) 1.2 (0.03)
Proper motion (declination) [mas/yr] -9.488 (0.1) -9.376 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.20 (0.01)
V magnitude 15.06 (0.01)
R magnitude 15.51 (0.3)
I magnitude
J magnitude 15.18 (0.05) 15.18 (0.05)
H magnitude 15.22 (0.1) 15.22 (0.1)
K magnitude 15.35 (0.2) 15.35 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.23 (0.0006) 15.20 (0.003)
BP magnitude 15.23 (0.004)
RP magnitude 15.19 (0.003)
Pan g magnitude 15.15 (0.003)
Pan r magnitude 15.33 (0.003)
Pan i magnitude 15.52 (0.002)
Pan z magnitude 15.67 (0.003)
Pan y magnitude 15.69 (0.006)
E(B-V) 0.023

* 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.