2QZ J125544.6-020435

All names: SDSS J125544.71-020434.8, Gaia DR2 3688469397854678144, Gaia EDR3 3688469397854678144, 2QZ J125544.6-020435, SDSS J125544.72-020434.8, Gaia DR3 3688469397854678144, GALEX J125544.6-020434, SDSS J125544.72-020434.86

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 12 55 44.73 (0.6) 12 55 44.72 12 55 44.73 (0.8) 12 55 44.72 (0.6)
Declination -02 04 35.10 (0.3) -02 04 34.85 -02 04 35.09 (0.5) -02 04 34.87 (0.3)
Spectral type DAB DAB DAB DA
Effective temperature [K] 7173.0 8086.0 (112)
log(g) [cgs] 6.30 8.13 (0.2)
Mass [M] 0.068
log(Luminosity) [L]
Cooling age [Gyr]
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] 2.36 (0.6) 1.83 (0.9) 2.36 (0.6)
Distance [pc] 423.55 (100) 545.82 (260) 423.55 (100)
Composition H
Proper motion (right ascension) [mas/yr] 8.7537701 (0.7) 11.20587308 (2) 8.754 (0.7)
Proper motion (declination) [mas/yr] -14.43016263 (0.6) -15.73492208 (1) -14.43 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.72 (0.06) 20.70 (0.06) 20.71 (0.06)
g magnitude 20.31 (0.02) 20.31 (0.05) 20.31 (0.02)
r magnitude 20.12 (0.03) 20.13 (0.03) 20.13 (0.03)
i magnitude 20.19 (0.04) 20.20 (0.04) 20.20 (0.04)
z magnitude 19.98 (0.1) 19.95 (0.1) 19.95 (0.1)
G magnitude 20.15 (0.09) 20.22 20.15 (0.006)
BP magnitude 20.13 (0.09) 20.27
RP magnitude 19.97 (0.1) 19.76
Pan g magnitude 20.29 (0.02)
Pan r magnitude 20.19 (0.01)
Pan i magnitude 20.15 (0.02)
Pan z magnitude 20.23 (0.04)
Pan y magnitude 20.17 (0.07)
E(B-V) 0.023

* 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.