Gaia DR2 1984852443596888704

All names: Gaia DR2 1984852443596888704, USNO-B1.0 1387-00482804, LSPM J2303+4843, WDJ230331.15+484320.85, WDJ230331.15+484320.84, Gaia EDR3 1984852443596888704, Gaia DR3 1984852443596888704

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 03 31.41 (0.1) 23 03 31.40 23 03 31.41 23 03 31.15 (0.1) 23 03 31.40
Declination 48 43 21.96 (0.1) 48 43 21.93 48 43 21.96 48 43 20.84 (0.1) 48 43 21.93
Spectral type DC: DC
Effective temperature [K] 6475.0 6238.0 5566.0 (292)
log(g) [cgs] 8.35 8.24 7.99 (0.06)
Mass [M] 0.815 0.723 0.563 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 3.8430 3.7850
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.25 (0.2) 10.69 (0.2) 10.25 10.25 (0.2) 10.69 (0.2)
Distance [pc] 97.60 (2) 93.57 (2) 97.60 97.60 (2) 93.57 (2)
Composition
Proper motion (right ascension) [mas/yr] 160.3785824 (0.2) 159.995639 (0.4) 160.379 (0.2) 159.995639
Proper motion (declination) [mas/yr] 70.4932737 (0.2) 69.67418782 (0.4) 70.493 (0.2) 69.67418782
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.90
V magnitude
R magnitude 18.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.08 (0.03) 19.11 19.08 19.08 (0.003) 19.11
BP magnitude 19.33 (0.03) 19.32 19.32
RP magnitude 18.66 (0.02) 18.62 18.62
Pan g magnitude 19.34 (0.006)
Pan r magnitude 19.09 (0.008)
Pan i magnitude 19.04 (0.005)
Pan z magnitude 19.04 (0.02)
Pan y magnitude 19.05 (0.04)
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.