Gaia DR2 2872974856329379968

All names: WDJ23396.51+342600.88, SDSS J233906.67+342600.8, Gaia DR2 2872974856329379968, SDSS J233906.67+342600.7, LSPM J2339+3426W, WDJ233906.51+342600.88, USNO-B1.0 1244-00529146, Gaia EDR3 2872974856329379968, Gaia DR3 2872974856329379968

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 23 39 06.77 (0.1) 23 39 06.76 23 39 06.77 23 39 06.51 (0.1) 23 39 06.76
Declination 34 26 00.68 (0.08) 34 26 00.69 34 26 00.68 34 26 00.88 (0.08) 34 26 00.69
Spectral type DA DA
Effective temperature [K] 6509.0 6260.0 6629.0 (110)
log(g) [cgs] 7.98 7.84 8.05 (0.03)
Mass [M] 0.578 0.484 0.623 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.7620 1.7210
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.39 (0.2) 11.20 (0.2) 11.39 11.39 (0.2) 11.20 (0.2)
Distance [pc] 87.76 (1) 89.31 (2) 87.76 87.76 (1) 89.31 (2)
Composition
Proper motion (right ascension) [mas/yr] 204.3796647 (0.2) 204.6065436 (0.3) 204.38 (0.2) 204.6065436
Proper motion (declination) [mas/yr] -12.65055936 (0.1) -12.67790876 (0.2) -12.651 (0.1) -12.67790876
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.80
V magnitude
R magnitude 18.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.37 (0.03) 19.37 (0.03)
g magnitude 18.70 (0.008) 18.70 (0.008)
r magnitude 18.45 (0.008) 18.45 (0.008)
i magnitude 18.34 (0.01) 18.34 (0.01)
z magnitude 18.38 (0.03) 18.38 (0.03)
G magnitude 18.43 (0.01) 18.45 18.43 18.43 (0.003) 18.45
BP magnitude 18.67 (0.01) 18.69 18.69
RP magnitude 18.06 (0.02) 18.04 18.04
Pan g magnitude 18.67 (0.01)
Pan r magnitude 18.45 (0.003)
Pan i magnitude 18.37 (0.007)
Pan z magnitude 18.39 (0.02)
Pan y magnitude 18.40 (0.01)
E(B-V) 0.008

* 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.