PHL 56

All names: GALEXJ21361-0224, GALEX J213610.1-022439, Gaia EDR3 2674375602920684032, 2MASS J21361024-0224419, Gaia DR3 2674375602920684032, PHL 56, UCAC4 438-120260, FBS 2133-026, Gaia DR2 2674375602920684032

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 21 36 10.24 (0.06) 21 36 10.24 21 36 10.23 (0.06)
Declination -02 24 42.01 (0.05) -02 24 42.11 -02 24 41.92 (0.05)
Spectral type sdO sdO
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] 0.70 (0.06) 0.68 (0.1) 0.70 (0.06)
Distance [pc] 1433.49 (125) 1476.23 (220) 1433.49 (125)
Composition
Proper motion (right ascension) [mas/yr] 4.024 (0.08) 3.961 (0.2) 4.024 (0.08)
Proper motion (declination) [mas/yr] -5.722 (0.05) -5.984 (0.2) -5.722 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.91 (0.03)
V magnitude 15.04 (0.01)
R magnitude 15.71 (0.2)
I magnitude
J magnitude 15.79 (0.07) 15.79 (0.07)
H magnitude 15.98 (0.2) 15.98 (0.2)
K magnitude 15.22
u magnitude 14.50 (0.004)
g magnitude 14.87 (0.003) 14.98 (0.04)
r magnitude 15.42 (0.005) 15.43 (0.07)
i magnitude 15.77 (0.005)
z magnitude 16.12 (0.007)
G magnitude 15.15 (0.003) 15.16 (0.001) 15.15 (0.003)
BP magnitude 14.99 (0.003) 14.93 (0.01)
RP magnitude 15.46 (0.005) 15.47 (0.006)
Pan g magnitude 14.96 (0.003)
Pan r magnitude 15.43 (0.002)
Pan i magnitude 15.80 (0.002)
Pan z magnitude 16.09 (0.005)
Pan y magnitude 16.27 (0.01)
E(B-V) 0.038

* 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.