Gaia DR2 2179552317674364928

All names: WDJ21271.6+585515.29, Gaia DR2 2179552317674364928, Gaia EDR3 2179552317674364928, LSPM J2127+5855, LP 107-22, WDJ212701.60+585515.29, USNO-B1.0 1489-00314380, NLTT 51312, Gaia DR3 2179552317674364928

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 27 01.86 (0.08) 21 27 01.86 21 27 01.86 21 27 01.60 (0.08) 21 27 01.86
Declination 58 55 17.23 (0.09) 58 55 17.17 58 55 17.23 58 55 15.29 (0.09) 58 55 17.17
Spectral type DC D
Effective temperature [K] 7355.0 7080.0 6975.0 (108)
log(g) [cgs] 8.22 8.12 8.03 (0.03)
Mass [M] 0.73 0.646 0.59 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.9440 1.8440
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 13.78 (0.09) 13.88 (0.1) 13.78 13.78 (0.09) 13.88 (0.1)
Distance [pc] 72.56 (0.5) 72.06 (0.6) 72.56 72.56 (0.5) 72.06 (0.6)
Composition
Proper motion (right ascension) [mas/yr] 127.5706273 (0.1) 127.4526341 (0.2) 127.571 (0.1) 127.4526341
Proper motion (declination) [mas/yr] 121.6667762 (0.1) 121.3670971 (0.2) 121.667 (0.1) 121.3670971
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.40
V magnitude
R magnitude 17.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.83 (0.01) 17.86 17.83 17.83 (0.003) 17.86
BP magnitude 17.98 (0.01) 17.99 17.99
RP magnitude 17.55 (0.008) 17.56 17.56
Pan g magnitude 18.02 (0.004)
Pan r magnitude 17.87 (0.003)
Pan i magnitude 17.88 (0.003)
Pan z magnitude 17.94 (0.006)
Pan y magnitude 18.00 (0.02)
E(B-V) 0.006

* 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.