HZ 40

All names: Gaia EDR3 1474359575755115136, GALEX J131333.2+365649, PG 1311+372, Balloon 81500001, SDSS J131332.99+365648.9, Gaia DR3 1474359575755115136, 2MASS J13133300+3656490, FB 125, Pul -3 1050198, LAMOST J131333.00+365649.0, HZ 40, TIC 180608688, CBS 367, Gaia DR2 1474359575755115136, GSC 02541-00831, PG1311+372, UCAC4 635-049112

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 13 13 32.99 (0.02) 13 13 33.04 13 13 33.00 (0.02)
Declination 36 56 48.94 (0.02) 36 56 49.34 36 56 49.02 (0.02)
Spectral type sdB sdB+G0V?
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] 0.94 (0.04) 0.90 (0.05) 0.94 (0.04)
Distance [pc] 1058.65 (42) 1113.83 (65) 1058.65 (42)
Composition
Proper motion (right ascension) [mas/yr] -5.429 (0.02) -5.238 (0.07) -5.429 (0.02)
Proper motion (declination) [mas/yr] -4.727 (0.03) -4.831 (0.07) -4.727 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.42 (0.1)
V magnitude 14.68 (0.2)
R magnitude 14.88 (0.06)
I magnitude
J magnitude 15.19 (0.04) 15.19 (0.04)
H magnitude 15.46 (0.1) 15.46 (0.1)
K magnitude 15.62 (0.2) 15.62 (0.2)
u magnitude 14.08 (0.004) 14.08 (0.02)
g magnitude 14.43 (0.004) 14.47 (0.09)
r magnitude 14.76 (0.004) 14.91 (0.1)
i magnitude 15.11 (0.004) 15.26 (0.01)
z magnitude 15.46 (0.006) 15.47 (0.02)
G magnitude 14.53 (0.003) 14.55 (0.0005) 14.53 (0.003)
BP magnitude 14.39 (0.003) 14.33 (0.008)
RP magnitude 14.81 (0.004) 14.80 (0.002)
Pan g magnitude 14.35 (0.005)
Pan r magnitude 14.80 (0.002)
Pan i magnitude 15.15 (0.002)
Pan z magnitude 15.44 (0.004)
Pan y magnitude 15.59 (0.006)
E(B-V) 0.017

* 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.