Gaia DR2 3944830674288852352

All names: Gaia EDR3 3944830674288852352, Gaia DR2 3944830674288852352, SDSS J130928.39+232817.2, Gaia DR3 3944830674288852352, WDJ130928.37+232818.12, SDSS J130928.40+232817.3, USNO-B1.0 1134-00205894, LSPM J1309+2328

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 13 09 28.45 (0.3) 13 09 28.45 13 09 28.45 13 09 28.37 (0.3) 13 09 28.45
Declination 23 28 15.37 (0.2) 23 28 15.45 23 28 15.37 23 28 18.11 (0.2) 23 28 15.45
Spectral type DA: DA
Effective temperature [K] 4972.0 4686.0 4997.0 (140)
log(g) [cgs] 8.48 8.32 8.45 (0.06)
Mass [M] 0.899 0.776 0.876 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 8.7660 7.5690
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 17.09 (0.4) 17.52 (0.4) 17.09 17.09 (0.4) 17.52 (0.4)
Distance [pc] 58.52 (1) 57.08 (1) 58.52 58.52 (1) 57.08 (1)
Composition
Proper motion (right ascension) [mas/yr] 67.78635701 (0.4) 68.17436395 (0.7) 67.786 (0.4) 68.17436395
Proper motion (declination) [mas/yr] -171.2784415 (0.5) -172.0077814 (0.5) -171.278 (0.5) -172.0077814
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.80
V magnitude
R magnitude 19.60
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.90 (0.1) 21.90 (0.1)
g magnitude 20.13 (0.02) 20.13 (0.02)
r magnitude 19.30 (0.01) 19.30 (0.01)
i magnitude 19.03 (0.01) 19.03 (0.01)
z magnitude 18.94 (0.04) 18.94 (0.04)
G magnitude 19.38 (0.04) 19.42 19.38 19.38 (0.004) 19.42
BP magnitude 20.00 (0.04) 19.97 19.97
RP magnitude 18.76 (0.03) 18.71 18.71
Pan g magnitude 20.03 (0.01)
Pan r magnitude 19.27 (0.007)
Pan i magnitude 19.04 (0.008)
Pan z magnitude 19.04 (0.01)
Pan y magnitude 19.03 (0.02)
E(B-V) 0.002

* 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.