WD 0311-649

All names: WD 0311-649, Gaia DR3 4672306015773211008, 2MASS J03122568-6444108, WDJ031225.70-644410.89, Gaia DR2 4672306015773211008, WT 106, TIC 220578510, Gaia EDR3 4672306015773211008, LEHPM 3159, LEHPM 1-3159, 031225.70-644410.89

Parameter Unit Gaia EDR3 O'Brien et al. 2024 O'Brien et al. 2022 Gaia DR2 Bedard et al. 2017 Subasavage et al. 2017 Stilism Holberg et al. 2016 Sion et al. 2014 Subasavage et al. 2008 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 03 12 26.13 (0.02) 03 12 26.12 (0.03) 03 12 25.69 03 12 25.68 03 12 25.68 03 12 26.13 03 12 25.70 (0.02) 03 12 26.12 03 12 25.06
Declination -64 44 11.51 (0.02) -64 44 11.49 (0.03) -64 44 01.08 -64 44 09.60 -64 44 10.80 -64 44 11.51 -64 44 10.89 (0.02) -64 44 11.49 -64 44 07.08
Spectral type DA DA+DA DA DA DA DA4.0 DA4.0 DA DA4.0 DA4.0
Effective temperature [K] 12063.0 (142) 13135.0 (290) 11760.0 (700) 11654.0 (557) 11945.0 11945.0 (557) 12562.0 (69)
log(g) [cgs] 7.21 (0.01) 7.83 (0.06) 7.28 (0.05) 7.95 (0) 7.18 (0.005)
Mass [M] 0.31 (0.003) 0.29 (0.02) 0.58 (0) 0.27 (0.002)
log(Luminosity) [L] -2.14 (0.1)
Cooling age [Gyr] 0.1900 (0.04) 0.3900
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 27.33 (0.02) 27.33 (0.02) 27.33 (0.02) 27.29 (0.03) 30.76 (1) 27.33 27.33 (0.02) 27.29 (0.03) 47.60
Distance [pc] 36.59 (0.02) 36.59 (0.03) 36.59 (0.03) 36.65 (0.04) 32.50 (1) 32.51 (1) 21.58 (0.3) 21.00 21.00 36.59 36.59 (0.02) 36.65 (0.04) 21.01
Composition H H H
Proper motion (right ascension) [mas/yr] 172.5754089 (0.02) 172.5157105 (0.05) 172.575 (0.02) 172.5157105
Proper motion (declination) [mas/yr] -38.65695721 (0.02) -38.52234628 (0.05) -38.657 (0.02) -38.52234628
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity DDu DDu
B magnitude 12.50
V magnitude 13.28 13.27
R magnitude 13.33
I magnitude 13.36
J magnitude 13.45 (0.02) 13.45 (0.02) 13.45 (0.02)
H magnitude 13.46 (0.03) 13.46 (0.03) 13.46 (0.03)
K magnitude 13.57 (0.05) 13.57 (0.05) 13.57 (0.05)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 13.32 (0.0009) 13.34 13.32 13.32 (0.003) 13.34
BP magnitude 13.31 (0.0009) 13.31 13.31
RP magnitude 13.36 (0.0006) 13.37 13.37
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.001

* 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.