CPD-55 142

All names: EC 00379-5518, GEN# +6.00001566, Gaia DR3 4920702734918061184, JL 202, UBV M 42240, GALEX J004013.2-550152, GSC 08469-00387, CPD-55 142, uvby98 600001566, JL202, LB 1566, TIC 281658096, Gaia DR2 4920702734918061184, 2MASS J00401329-5501520, Gaia EDR3 4920702047722561408

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 00 40 24.49 (0.6) 00 40 13.25 00 40 13.30 (0.03)
Declination -55 02 11.70 (0.6) -55 01 52.29 -55 01 52.23 (0.03)
Spectral type sdO sdOHe
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] 1.61 (0.9) 1.20 (0.05) 1.21 (0.04)
Distance [pc] 621.54 (356) 829.94 (35) 823.11 (26)
Composition
Proper motion (right ascension) [mas/yr] 9.076 (0.8) 17.203 (0.06) 17.323 (0.03)
Proper motion (declination) [mas/yr] 0.447 (0.9) 3.528 (0.06) 3.789 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.81
V magnitude 13.13
R magnitude
I magnitude
J magnitude 13.78 (0.03) 13.78 (0.03)
H magnitude 13.89 (0.04) 13.89 (0.04)
K magnitude 14.10 (0.07) 14.10 (0.07)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 20.76 (0.008) 13.05 (0.0009) 13.03 (0.003)
BP magnitude 21.03 (0.1) 12.80 (0.007)
RP magnitude 19.92 (0.1) 13.35 (0.002)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.010

* 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.