JL 179

All names: JL 179, HE0019-5545, EC 00190-5545, UCAC4 173-000352, HE 0019-5545, GALEX J002127.8-552911, Gaia EDR3 4920021278226608128, Gaia DR2 4920021278226608128, TIC 471015339, Gaia DR3 4920021278226608128, TIC 616058317

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 00 21 27.73 (0.03) 00 21 27.67 00 21 27.72 (0.03)
Declination -55 29 12.33 (0.03) -55 29 12.30 -55 29 12.16 (0.03)
Spectral type sdB sdB
Effective temperature [K] 35662.0 (500)
log(g) [cgs] 5.86 (0.05)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.51 (0.04) 0.60 (0.07) 0.51 (0.04)
Distance [pc] 1948.94 (166) 1664.72 (204) 1948.94 (166)
Composition
Proper motion (right ascension) [mas/yr] 4.926 (0.04) 4.978 (0.1) 4.926 (0.04)
Proper motion (declination) [mas/yr] -10.969 (0.04) -11.19 (0.1) -10.969 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.92 (0.05)
V magnitude 16.11 (0.06)
R magnitude 15.67 (0.7)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude 15.91 (0.02)
r magnitude 16.32 (0.06)
i magnitude
z magnitude
G magnitude 16.10 (0.003) 16.13 (0.002) 16.10 (0.003)
BP magnitude 15.95 (0.004) 15.88 (0.008)
RP magnitude 16.42 (0.006) 16.41 (0.005)
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.