PG 1612+437

All names: FBS 1612+436, PG 1612+437, SDSS J161350.96+433233.3, SDSS J161350.96+433233.2, SDSS J161350.95+433233.3, Gaia DR3 1385063700978386944, TIC 219491768, Gaia EDR3 1385063700978386944, Gaia DR2 1385063700978386944, SDSS J161350.96+433233.22, FBS B 368, GALEX J161350.9+433233, PG1612+437, 2MASS J16135089+4332330

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Geier 2020 Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 16 13 50.96 (0.04) 16 13 50.96 16 13 50.96 16 13 50.96 (0.04) 16 13 50.96 (0.04)
Declination 43 32 33.18 (0.04) 43 32 33.37 43 32 33.91 43 32 33.19 (0.05) 43 32 33.33 (0.04)
Spectral type sdB DAB: DAB
Effective temperature [K] 31111.0 (58)
log(g) [cgs] 5.58 (0.02)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.38 (0.04) 0.46 (0.05) 0.46 (0.05) 0.38 (0.04)
Distance [pc] 2647.44 (294) 2151.93 (235) 2151.93 (235) 2647.60 (294)
Composition
Proper motion (right ascension) [mas/yr] -1.040432802 (0.05) -1.276 (0.09) -1.276 (0.09) -1.04 (0.05)
Proper motion (declination) [mas/yr] -9.252098033 (0.05) -9.577 (0.1) -9.577 (0.1) -9.252 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.28
V magnitude
R magnitude
I magnitude
J magnitude 16.45 (0.1) 16.45 (0.1)
H magnitude 16.03 (0.2) 16.03 (0.2)
K magnitude 16.08
u magnitude 16.20 (0.006) 16.20 (0.006) 16.20 (0.02) 16.20 (0.006)
g magnitude 16.30 (0.003) 16.30 (0.003) 16.32 (0.02) 16.30 (0.003)
r magnitude 16.74 (0.004) 16.74 (0.004) 16.75 (0.02) 16.74 (0.004)
i magnitude 16.96 (0.005) 16.96 (0.005) 16.97 (0.02) 16.96 (0.005)
z magnitude 17.14 (0.01) 17.14 (0.01) 17.15 (0.02) 17.14 (0.01)
G magnitude 16.52 (0.004) 16.54 (0.001) 16.54 16.52 (0.003)
BP magnitude 16.44 (0.004) 16.40 (0.01) 16.40
RP magnitude 16.64 (0.005) 16.63 (0.008) 16.63
Pan g magnitude 16.41 (0.005) 16.41 (0.005)
Pan r magnitude 16.76 (0.005) 16.76 (0.005)
Pan i magnitude 16.98 (0.003) 16.98 (0.003)
Pan z magnitude 17.15 (0.005) 17.15 (0.005)
Pan y magnitude 17.22 (0.007) 17.23 (0.007)
E(B-V) 0.018

* 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.