Gaia DR2 4891261146421822464

All names: LP 890-24, WDJ042546.29-285616.88, WDJ042546.29-285616.89, Gaia EDR3 4891261146421822464, Gaia DR2 4891261146421822464, NLTT 13265, Gaia DR3 4891261146421822464

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 04 25 46.17 (0.05) 04 25 46.18 04 25 46.17 04 25 46.29 (0.05) 04 25 46.18
Declination -28 56 22.61 (0.06) -28 56 22.43 -28 56 22.61 -28 56 16.89 (0.06) -28 56 22.43
Spectral type DC D
Effective temperature [K] 7202.0 6956.0 6646.0 (80)
log(g) [cgs] 8.20 8.10 7.97 (0.02)
Mass [M] 0.717 0.637 0.557 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.9560 1.8890
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 15.41 (0.08) 15.46 (0.1) 15.41 15.41 (0.08) 15.46 (0.1)
Distance [pc] 64.89 (0.3) 64.69 (0.4) 64.89 64.89 (0.3) 64.69 (0.4)
Composition
Proper motion (right ascension) [mas/yr] -92.65992365 (0.07) -92.73175367 (0.2) -92.66 (0.07) -92.73175367
Proper motion (declination) [mas/yr] -357.5600457 (0.08) -357.583864 (0.2) -357.56 (0.08) -357.583864
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.66 (0.008) 17.68 17.66 17.66 (0.003) 17.68
BP magnitude 17.86 (0.008) 17.85 17.85
RP magnitude 17.34 (0.01) 17.37 17.37
Pan g magnitude 17.84 (0.005)
Pan r magnitude 17.68 (0.007)
Pan i magnitude 17.67 (0.006)
Pan z magnitude 17.77 (0.02)
Pan y magnitude 17.75 (0.02)
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.