WD 0843-268

All names: CE 40, J0845-2701, Gaia DR2 5646089927728820736, USNO-B1.0 0629-00267853, WD 0843-268, WDJ084526.50-270100.18, Gaia EDR3 5646089927728820736, Gaia DR3 5646089927728820736

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 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 45 25.89 (0.1) 08 45 25.90 (0.1) 08 45 25.89 08 45 26.50 (0.1) 08 45 25.90 08 45 27.17
Declination -27 01 03.64 (0.2) -27 01 03.53 (0.3) -27 01 03.64 -27 01 00.19 (0.2) -27 01 03.53 -27 00 52.92
Spectral type DC DC DC DA: DC DC
Effective temperature [K] 4439.0 (71) 4431.0 4116.0 4313.0 (84)
log(g) [cgs] 8.10 (0.03) 8.08 7.80 8.01 (0.04)
Mass [M] 0.637 (0.03) 0.627 0.455 0.583 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 9.3000 8.4870 6.0730
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 19.66 (0.2) 19.59 (0.3) 19.59 (0.3) 19.66 19.66 (0.2) 19.59 (0.3)
Distance [pc] 50.86 (0.5) 51.05 (0.8) 51.06 (0.7) 50.86 50.86 (0.5) 51.06 (0.7)
Composition H
Proper motion (right ascension) [mas/yr] -512.6759527 (0.2) -512.7198056 (0.5) -512.676 (0.2) -512.7198056
Proper motion (declination) [mas/yr] -215.1505989 (0.2) -215.7681501 (0.4) -215.151 (0.2) -215.7681501
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 21.10
V magnitude 19.48
R magnitude 18.90
I magnitude
J magnitude 17.57 (0.02)
H magnitude
K magnitude 17.67 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.08 (0.04) 19.12 19.08 19.08 (0.003) 19.12
BP magnitude 19.74 (0.04) 19.79 19.79
RP magnitude 18.36 (0.02) 18.32 18.32
Pan g magnitude 19.85 (0.03) 19.85 (0.03)
Pan r magnitude 19.06 (0.02) 19.06 (0.03)
Pan i magnitude 18.69 (0.003) 18.69 (0.003)
Pan z magnitude 18.52 (0.04) 18.52 (0.04)
Pan y magnitude 18.57 (0.09) 18.57 (0.09)
E(B-V) 0.000

* 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.