Gaia DR2 974895286283420160

All names: LAMOST J072009.16+464841.0, WDJ072009.19+464840.48, Gaia DR2 974895286283420160, Gaia DR3 974895286283420160, Gaia EDR3 974895286283420160, WDJ07209.19+464840.48

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 07 20 09.15 (0.03) 07 20 09.15 07 20 09.15 07 20 09.19 (0.03) 07 20 09.15
Declination 46 48 41.49 (0.03) 46 48 41.46 46 48 41.49 46 48 40.48 (0.03) 46 48 41.46
Spectral type DA DA
Effective temperature [K] 9882.0 9961.0 9792.0 (63)
log(g) [cgs] 7.91 7.85 7.90 (0.01)
Mass [M] 0.549 0.497 0.542 (0.008)
log(Luminosity) [L]
Cooling age [Gyr] 0.5557 0.5204
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 19.78 (0.05) 19.76 (0.06) 19.78 19.78 (0.05) 19.76 (0.06)
Distance [pc] 50.55 (0.1) 50.60 (0.1) 50.55 50.55 (0.1) 50.60 (0.1)
Composition
Proper motion (right ascension) [mas/yr] -24.76501546 (0.04) -24.79041748 (0.08) -24.765 (0.04) -24.79041748
Proper motion (declination) [mas/yr] 63.03320209 (0.03) 62.9828562 (0.05) 63.033 (0.03) 62.9828562
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.60 (0.003) 15.62 15.60 15.60 (0.003) 15.62
BP magnitude 15.66 (0.003) 15.66 15.66
RP magnitude 15.51 (0.002) 15.51 15.51
Pan g magnitude 15.60 (0.004)
Pan r magnitude 15.69 (0.003)
Pan i magnitude 15.83 (0.005)
Pan z magnitude 15.99 (0.001)
Pan y magnitude 16.09 (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.