USNO-B1.0 0945-00134104

All names: Gaia DR2 3139699128636949248, WD 0721+046, Gaia EDR3 3139699128636949248, Gaia DR3 3139699128636949248, USNO-B1.0 0945-00134104, J0724+0431, LSPM J0724+0431, 07241+0431, WDJ072406.18+043128.19, PM J07241+0431

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 07 24 06.27 (0.1) 07 24 06.26 (0.2) 07 24 06.27 07 24 06.18 (0.1) 07 24 06.26 07 24 06.74
Declination 04 31 21.52 (0.1) 04 31 21.73 (0.1) 04 31 21.52 04 31 28.19 (0.1) 04 31 21.73 04 31 35.76
Spectral type DA DA DC DA DA
Effective temperature [K] 5687.0 (37) 5670.0 (120) 5748.0 (82)
log(g) [cgs] 7.93 (0.02) 8.00 (0) 7.96 (0.03)
Mass [M] 0.545 (0.01) 0.59 (0.1) 0.564 (0.03)
log(Luminosity) [L] -3.83
Cooling age [Gyr] 2.4200
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] 17.17 (0.1) 17.05 (0.2) 17.05 (0.2) 17.17 17.17 (0.1) 17.05 (0.2)
Distance [pc] 58.23 (0.5) 58.65 (0.6) 58.64 (0.6) 64.20 (4) 58.23 58.23 (0.5) 58.64 (0.6)
Composition H H
Proper motion (right ascension) [mas/yr] 82.17564691 (0.2) 81.267911 (0.4) 82.176 (0.2) 81.267911
Proper motion (declination) [mas/yr] -417.2417129 (0.1) -417.227312 (0.3) -417.242 (0.1) -417.227312
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.10
V magnitude
R magnitude 17.50
I magnitude
J magnitude 17.00 (0.02)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.99 (0.02) 18.01 17.99 17.99 (0.003) 18.01
BP magnitude 18.34 (0.02) 18.31 18.31
RP magnitude 17.47 (0.02) 17.47 17.47
Pan g magnitude 18.40 (0.01) 18.40 (0.01)
Pan r magnitude 17.98 (0.003) 17.98 (0.004)
Pan i magnitude 17.82 (0.02) 17.82 (0.02)
Pan z magnitude 17.79 (0.006) 17.79 (0.006)
Pan y magnitude 17.74 (0.01) 17.74 (0.01)
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.