PG 1609+013

All names: PG 1609+013, UCAC4 456-059397, SDSS J161157.43+011153.0, GALEX J161157.4+011153, UCAC2 32217618, TIC 462307984, Gaia DR2 4411466260978238208, 2MASS J16115742+0111531, PG1609+013, Gaia DR3 4411466260978238208

Parameter Unit Geier 2020 Simbad
Right ascension 16 11 57.48 16 11 57.43 (0.1)
Declination 01 11 53.49 01 11 53.10 (0.09)
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] -0.06 (0.1)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -7.198 (0.3) -5.445 (0.1)
Proper motion (declination) [mas/yr] -3.309 (0.2) -2.93 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.71 (0.1)
V magnitude 15.33 (0.05)
R magnitude 15.48 (0.06)
I magnitude
J magnitude 14.05 (0.03) 14.05 (0.03)
H magnitude 13.65 (0.04) 13.65 (0.04)
K magnitude 13.55 (0.05) 13.55 (0.05)
u magnitude 15.79 (0.005)
g magnitude 15.40 (0.004)
r magnitude 15.15 (0.003)
i magnitude 15.03 (0.003)
z magnitude 14.97 (0.005)
G magnitude 15.21 (0.0009) 15.20 (0.003)
BP magnitude 15.42 (0.004)
RP magnitude 14.78 (0.003)
Pan g magnitude 15.45 (0.0009)
Pan r magnitude 15.21 (0.004)
Pan i magnitude 15.11 (0.004)
Pan z magnitude 15.05 (0.005)
Pan y magnitude 15.01 (0.01)
E(B-V)

* 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.