LP197-006

All names: Gaia DR2 339492052075797376, J0225+4228, WDS J02260+4228B, LSPM J0225+4228E, LP 197-6, ** LDS 3383B, Gaia DR3 339492052075797376, LP197-006, WD 0222+422.1, NLTT 7949, Gaia EDR3 339492052075797376

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 02 25 53.17 (0.2) 02 25 52.59 (0.3) 02 25 53.17 02 25 52.59 (0.2) 02 25 52.52 02 25 50.62
Declination 42 28 00.20 (0.2) 42 28 03.52 (0.3) 42 28 00.20 42 28 03.53 (0.2) 42 28 00.32 42 28 12.00
Spectral type DC DC14 DC14 DA DC14 DC14
Effective temperature [K] 4366.0 (42) 6213.0 5959.0 4335.0 (120)
log(g) [cgs] 7.99 (0.03) 7.94 7.79 7.97 (0.06)
Mass [M] 0.572 (0.03) 0.555 0.453 0.561 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 8.3400 1.8620 1.8420
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] 20.11 (0.2) 19.94 (0.4) 19.94 (0.4) 20.11 20.11 (0.2) 19.82 (0.2)
Distance [pc] 49.74 (0.5) 50.15 (1) 50.16 (1) 49.74 49.74 (0.5) 50.45 (0.4)
Composition H
Proper motion (right ascension) [mas/yr] 399.9406398 (0.3) 399.9094596 (0.5) 399.941 (0.3) 397.4046392
Proper motion (declination) [mas/yr] -207.737335 (0.2) -207.1145664 (0.5) -207.737 (0.2) -206.7686543
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.47 (0.03)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.97 (0.003) 19.00 18.97 18.97 (0.004) 17.33
BP magnitude 19.64 (0.05) 19.59 17.58
RP magnitude 18.22 (0.02) 18.22 16.89
Pan g magnitude 19.80 (0.02) 19.80 (0.02)
Pan r magnitude 18.94 (0.006) 18.94 (0.006)
Pan i magnitude 18.57 (0.007) 18.57 (0.007)
Pan z magnitude 18.42 (0.02) 18.42 (0.02)
Pan y magnitude 18.36 (0.01) 18.36 (0.01)
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.