GJ 1039

All names: WD 0123-26, G 274-31, 2MASS J01252444-2600439, GALEX J012524.5-260046, L 581-26, LP 827-217, WDJ012524.47-260044.45, Gaia DR2 5037084872486444928, WISEA J012524.64-260050.0, TIC 11645994, PM 01230-2616, BPS CS 29514-0039, CNS5 378, Gaia EDR3 5037084872486444928, LEHPM 1534, LHS 1247, G 269-160, KUV 01230-2616, PSO J021.3528-26.0142, J0125-2600, WD 0123-262, GJ 1039, Gaia DR3 5037084872486444928, NLTT 4753, LTT 784, LFT 133, EGGR 307, GEN# +9.80269160

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Blouin et al. 2019 Gaia DR2 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Bergeron et al. 1997 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 25 24.75 (0.02) 01 25 24.74 (0.03) 01 25 24.24 01 25 24.75 01 25 24.47 (0.02) 01 25 24.74 01 25 23.98
Declination -26 00 52.84 (0.02) -26 00 52.58 (0.02) -26 00 43.20 -26 00 52.84 -26 00 44.45 (0.02) -26 00 52.58 -26 00 42.48
Spectral type DC DC DC DC DC6.9 DC DC DC DC7
Effective temperature [K] 6941.0 (39) 6846.0 (32) 6950.0 (155) 7290.0 (192) 7288.0 (192) 7260.0 (190) 6671.0 (24)
log(g) [cgs] 8.23 (0.02) 8.19 (0.006) 8.28 (0.05) 7.91 (0) (0) 8.00 (0) 8.19 (0.005)
Mass [M] 0.718 (0.01) 0.692 (0.006) 0.756 (0.03) 0.58 (0) 0.58 (0) 0.57 0.691 (0.005)
log(Luminosity) [L] -3.40 -3.40
Cooling age [Gyr] 2.4300 2.8610 (0.2) 1.4700 1.4900 1.9100
log(H/He) -3.4
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 60.36 (0.03) 60.36 (0.03) 60.40 (0.03) 60.40 (0.03) 60.40 (0.03) 60.36 60.36 (0.03) 60.40 (0.03)
Distance [pc] 16.57 (0.007) 16.57 (0.008) 16.56 (0.008) 16.56 (0.009) 16.56 (0.009) 21.70 (0.8) 21.70 (0.8) 16.57 16.57 (0.007) 16.56 (0.009)
Composition He He He He He
Proper motion (right ascension) [mas/yr] 235.8700678 (0.03) 235.911939 (0.08) 235.87 (0.03) 235.911939
Proper motion (declination) [mas/yr] -524.4372546 (0.02) -524.5152335 (0.05) -524.437 (0.02) -524.5152335
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.39 15.39 15.34
V magnitude 15.06 15.06 15.06 15.00
R magnitude 14.84 14.84
I magnitude 14.62 14.62
J magnitude 14.44 (0.03) 14.44 (0.03) 14.50 14.50 14.44 (0.03)
H magnitude 14.31 (0.04) 14.31 (0.04) 14.36 14.36 14.31 (0.04)
K magnitude 14.33 (0.07) 14.33 (0.07) 14.38 14.38 14.33 (0.07)
u magnitude
g magnitude 15.13 (0.006)
r magnitude 15.01 (0.008)
i magnitude 15.00 (0.003)
z magnitude 15.06 (0.003)
G magnitude 14.96 (0.001) 14.97 14.96 14.96 (0.003) 14.97
BP magnitude 15.12 (0.001) 15.12 15.12
RP magnitude 14.66 (0.0009) 14.67 14.67
Pan g magnitude 15.13 (0.006) 15.12 (0.005) 15.13 (0.006)
Pan r magnitude 15.01 (0.009) 14.99 (0.005) 15.01 (0.008)
Pan i magnitude 15.00 (0.003) 14.99 (0.006) 15.00 (0.003)
Pan z magnitude 15.06 (0.003) 15.06 (0.002) 15.06 (0.003)
Pan y magnitude 15.13 (0.009) 15.14 (0.003) 15.13 (0.01)
E(B-V) 0.000

* 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.