Gaia DR2 3681000076065709312

All names: NLTT 30883, LP 675-43, WDJ12296.78-043215.31, Gaia DR2 3681000076065709312, TIC 130591325, J1229-0432, Gaia EDR3 3681000076065709312, Gaia DR3 3681000076065709312, WDJ122906.78-043215.31, 2MASS J12290678-0432149, GALEX J122906.8-043216

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 12 29 06.89 (0.05) 12 29 06.89 12 29 06.89 12 29 06.78 (0.05) 12 29 06.89
Declination -04 32 18.21 (0.04) -04 32 18.12 -04 32 18.21 -04 32 15.31 (0.04) -04 32 18.12
Spectral type DC DC DC
Effective temperature [K] 8102.0 (32) 8943.0 8662.0 8138.0 (74)
log(g) [cgs] 8.10 (0.008) 8.40 8.31 8.13 (0.01)
Mass [M] 0.635 (0.007) 0.85 0.776 0.656 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.2900 1.5950 1.4890
log(H/He) -3.8
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] 20.53 (0.06) 20.58 (0.09) 20.58 (0.09) 20.53 20.53 (0.06) 20.58 (0.09)
Distance [pc] 48.72 (0.1) 48.59 (0.2) 48.60 (0.2) 48.72 48.72 (0.1) 48.60 (0.2)
Composition He
Proper motion (right ascension) [mas/yr] 108.4631126 (0.07) 108.4524148 (0.2) 108.463 (0.07) 108.4524148
Proper motion (declination) [mas/yr] -181.0152166 (0.05) -180.9626309 (0.1) -181.015 (0.05) -180.9626309
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 16.07
R magnitude
I magnitude
J magnitude 16.30 (0.01) 16.52 (0.1)
H magnitude 16.28 (0.02) 16.19 (0.2)
K magnitude 16.19 (0.04)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.60 (0.005) 16.62 16.60 16.60 (0.003) 16.62
BP magnitude 16.69 (0.005) 16.67 16.67
RP magnitude 16.42 (0.005) 16.42 16.42
Pan g magnitude 16.66 (0.002) 16.66 (0.002)
Pan r magnitude 16.66 (0.003) 16.66 (0.002)
Pan i magnitude 16.75 (0.003) 16.75 (0.003)
Pan z magnitude 16.87 (0.005) 16.87 (0.005)
Pan y magnitude 16.98 (0.005) 16.98 (0.005)
E(B-V) 0.001

* 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.