Gaia DR2 1999564768169857792

All names: Gaia DR3 1999564768169857792, Gaia DR2 1999564768169857792, WDJ23569.18+594742.60, Gaia EDR3 1999564768169857792, WDJ235609.18+594742.61, LSPM J2356+5947, USNO-B1.0 1497-00393151

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 56 09.59 (0.1) 23 56 09.58 23 56 09.59 23 56 09.18 (0.1) 23 56 09.58
Declination 59 47 47.17 (0.1) 59 47 47.03 59 47 47.17 59 47 42.61 (0.1) 59 47 47.03
Spectral type DC: DC
Effective temperature [K] 4763.0 4441.0 4825.0 (58)
log(g) [cgs] 7.93 7.69 7.95 (0.03)
Mass [M] 0.536 0.4 0.547 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 5.9420 4.2790
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 20.34 (0.1) 20.31 (0.2) 20.34 20.34 (0.1) 20.31 (0.2)
Distance [pc] 49.17 (0.3) 49.23 (0.4) 49.17 49.17 (0.3) 49.23 (0.4)
Composition
Proper motion (right ascension) [mas/yr] 195.5945264 (0.1) 195.3277402 (0.2) 195.595 (0.1) 195.3277402
Proper motion (declination) [mas/yr] 285.1683853 (0.1) 285.3936821 (0.2) 285.168 (0.1) 285.3936821
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.00
V magnitude
R magnitude 18.30
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.46 (0.02) 18.48 18.46 18.46 (0.003) 18.48
BP magnitude 18.99 (0.02) 18.98 18.98
RP magnitude 17.75 (0.02) 17.76 17.76
Pan g magnitude 19.13 (0.01)
Pan r magnitude 18.43 (0.006)
Pan i magnitude 18.16 (0.02)
Pan z magnitude 18.04 (0.007)
Pan y magnitude 17.97 (0.02)
E(B-V) 0.003

* 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.