Gaia DR2 1945727009516316800

All names: USNO-B1.0 1211-00547707, Gaia DR2 1945727009516316800, WDJ214731.42+311116.88, LSPM J2147+3111, Gaia DR3 1945727009516316800, WDJ214731.42+311116.87, Gaia EDR3 1945727009516316800

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 21 47 31.58 (0.1) 21 47 31.57 21 47 31.58 21 47 31.42 (0.1) 21 47 31.57
Declination 31 11 18.30 (0.2) 31 11 18.25 31 11 18.30 31 11 16.88 (0.2) 31 11 18.25
Spectral type DA DA
Effective temperature [K] 6022.0 5794.0 5745.0 (110)
log(g) [cgs] 8.33 8.20 8.18 (0.05)
Mass [M] 0.799 0.7 0.702 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 4.4540 4.6440
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.79 (0.3) 10.88 (0.4) 10.79 10.79 (0.3) 10.88 (0.4)
Distance [pc] 92.65 (2) 91.95 (3) 92.65 92.65 (2) 91.95 (3)
Composition
Proper motion (right ascension) [mas/yr] 126.0958237 (0.2) 126.0672544 (0.6) 126.096 (0.2) 126.0672544
Proper motion (declination) [mas/yr] 88.68546613 (0.2) 88.7314547 (0.8) 88.685 (0.2) 88.7314547
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.00
V magnitude
R magnitude 19.30
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.31 (0.03) 19.33 19.31 19.31 (0.003) 19.33
BP magnitude 19.66 (0.03) 19.71 19.71
RP magnitude 18.89 (0.02) 18.87 18.87
Pan g magnitude 19.64 (0.01)
Pan r magnitude 19.28 (0.006)
Pan i magnitude 19.15 (0.007)
Pan z magnitude 19.21 (0.02)
Pan y magnitude 19.08 (0.1)
E(B-V) 0.021

* 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.