Gaia DR2 2589844972883309568

All names: SDSS J012151.86+134036.1, NLTT 4516, LP 467-48, SDSS J012151.87+134036.1, Gaia EDR3 2589844972883309568, Gaia DR3 2589844972883309568, LSPM J0121+1340, WDJ012151.87+134036.13, USNO-B1.0 1036-00013167, Gaia DR2 2589844972883309568

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 01 21 52.03 (0.2) 01 21 52.02 01 21 52.03 01 21 51.87 (0.2) 01 21 52.02
Declination 13 40 37.52 (0.1) 13 40 37.47 13 40 37.52 13 40 36.13 (0.1) 13 40 37.47
Spectral type DQ DC: D
Effective temperature [K] 5988.0 (34) 6246.0 6006.0 5479.0 (158)
log(g) [cgs] 7.93 (0.02) 8.08 7.94 7.79 (0.04)
Mass [M] 0.531 (0.02) 0.638 0.537 0.45 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 2.4140 2.2780
log(H/He)
log(C/He) -6.92
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] 11.76 (0.2) 11.81 (0.2) 11.76 11.76 (0.2) 11.81 (0.2)
Distance [pc] 85.00 (1) 84.65 (2) 85.00 85.00 (1) 84.65 (2)
Composition He
Proper motion (right ascension) [mas/yr] 145.2706069 (0.3) 144.9492537 (0.6) 145.271 (0.3) 144.9492537
Proper motion (declination) [mas/yr] 86.30726338 (0.1) 86.29718655 (0.4) 86.307 (0.1) 86.29718655
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.90
V magnitude
R magnitude 18.30
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.57 (0.03) 19.57 (0.03)
g magnitude 18.91 (0.009) 18.91 (0.009)
r magnitude 18.59 (0.009) 18.59 (0.009)
i magnitude 18.49 (0.01) 18.49 (0.01)
z magnitude 18.49 (0.03) 18.49 (0.03)
G magnitude 18.60 (0.03) 18.63 18.60 18.60 (0.003) 18.63
BP magnitude 18.82 (0.03) 18.90 18.90
RP magnitude 18.22 (0.02) 18.22 18.22
Pan g magnitude 18.91 (0.009)
Pan r magnitude 18.59 (0.008)
Pan i magnitude 18.52 (0.004)
Pan z magnitude 18.49 (0.02)
Pan y magnitude 18.58 (0.03)
E(B-V) 0.007

* 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.