WD 0138-559

All names: LEHPM 1768, WDJ014031.46-554339.75, Gaia DR3 4911520953832910336, TIC 231005809, BPM 16571, WG 44, WD 0138-559, WD 0138-55, UCAC4 172-001467, L 172-15, Gaia EDR3 4911520953832910336, 2MASS J01403143-5543397, Gaia DR2 4911520953832910336, uvby98 600216571, GSC 08478-00622, GEN# +6.00216571

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 40 31.84 (0.02) 01 40 31.83 (0.04) 01 40 31.84 01 40 31.46 (0.02) 01 40 31.83 01 40 34.27
Declination -55 43 39.82 (0.02) -55 43 39.82 (0.03) -55 43 39.82 -55 43 39.75 (0.02) -55 43 39.82 -55 42 50.76
Spectral type DB DBHe DB3
Effective temperature [K] 19893.0 (264)
log(g) [cgs] 7.99 (0.01)
Mass [M] 0.594 (0.008)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.44 (0.03) 14.37 (0.04) 14.44 14.44 (0.03) 14.37 (0.04)
Distance [pc] 69.27 (0.1) 69.58 (0.2) 69.27 69.27 (0.1) 69.58 (0.2)
Composition
Proper motion (right ascension) [mas/yr] 199.983055 (0.03) 200.086618 (0.07) 199.983 (0.03) 200.086618
Proper motion (declination) [mas/yr] -4.526524982 (0.03) -4.494385686 (0.06) -4.527 (0.03) -4.494385686
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.80 (0.05)
V magnitude 14.86 (0.02)
R magnitude 15.08 (0.08)
I magnitude
J magnitude 15.23 (0.04)
H magnitude 15.58 (0.1)
K magnitude 15.45 (0.2)
u magnitude
g magnitude 14.72 (0.02)
r magnitude 15.08 (0.06)
i magnitude 15.22 (0.01)
z magnitude
G magnitude 14.86 (0.002) 14.87 14.86 14.86 (0.003) 14.87
BP magnitude 14.77 (0.002) 14.73 14.73
RP magnitude 15.01 (0.001) 15.01 15.01
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.002

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.