Gaia DR2 1229916112012470528

All names: Gaia EDR3 1229916112012470528, WDJ140451.92+133054.74, ULAS J1404+13, SDSS J140451.89+133055.0, Gaia DR2 1229916112012470528, ULAS J140451.86+133055.6, WDJ140451.92+133054.75, Gaia DR3 1229916112012470528, SDSS J140451.90+133055.1, J1404+1330

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Bergeron et al. 2022 MWDD H MWDD HE Gaia DR2 Stilism Leggett et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 14 04 51.81 (0.2) 14 04 51.81 14 04 51.81 14 04 51.92 (0.2) 14 04 51.81
Declination 13 30 56.36 (0.2) 13 30 56.31 13 30 56.36 13 30 54.75 (0.2) 13 30 56.31
Spectral type DC-IRfaint DC DC DC DC: DC
Effective temperature [K] 4626.0 (44) 4637.0 (33) 4626.0 (44) 5736.0 5495.0 4380.0 (100) 5662.0 (119)
log(g) [cgs] 7.90 (0.04) 7.90 (0.06) 8.39 8.26 8.36 (0.05)
Mass [M] 0.51 (0.02) 0.508 (0.03) 0.51 (0.02) 0.842 0.736 0.815 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 5.8200 5.6280 5.4850 5.7310 7.5000
log(H/He) -2.73 -2.62 -2.73
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] 13.72 (0.3) 13.69 (0.5) 13.69 (0.4) 13.72 13.72 (0.3) 13.69 (0.4)
Distance [pc] 72.87 (2) 73.05 (2) 73.04 (2) 59.00 (10) 72.87 72.87 (2) 73.04 (2)
Composition He H+He
Proper motion (right ascension) [mas/yr] -99.59217094 (0.2) -100.9017071 (0.7) -99.592 (0.2) -100.9017071
Proper motion (declination) [mas/yr] 100.9511289 (0.2) 100.7991902 (0.6) 100.951 (0.2) 100.7991902
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.81 (0.07) 18.81 (0.07)
H magnitude 19.18 (0.05) 19.01 (0.1)
K magnitude 19.72 (0.2)
u magnitude 20.79 (0.07) 20.79 (0.07) 20.79 (0.07)
g magnitude 19.62 (0.01) 19.62 (0.01)
r magnitude 19.04 (0.01) 19.04 (0.01)
i magnitude 18.84 (0.01) 18.84 (0.01)
z magnitude 18.92 (0.04) 18.92 (0.04)
G magnitude 19.09 (0.04) 19.13 19.09 19.09 (0.004) 19.13
BP magnitude 19.53 (0.04) 19.50 19.50
RP magnitude 18.57 (0.03) 18.56 18.56
Pan g magnitude 19.55 (0.005) 19.55 (0.005)
Pan r magnitude 19.02 (0.01) 19.02 (0.009)
Pan i magnitude 18.83 (0.005) 18.83 (0.005)
Pan z magnitude 18.92 (0.01) 18.92 (0.01)
Pan y magnitude 19.08 (0.03) 19.08 (0.03)
E(B-V) 0.005

* 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.