Gaia DR2 1987576380575220352

All names: PM J22198+4805, WDJ221953.80+480535.03, USNO-B1.0 1380-00548891, Gaia EDR3 1987576380575220352, LSPM J2219+4805, WDJ221953.8+480535.02, Gaia DR2 1987576380575220352, 22198+4805, J2219+4805, Gaia DR3 1987576380575220352

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 22 19 54.09 (0.07) 22 19 54.08 22 19 54.09 22 19 53.80 (0.07) 22 19 54.08
Declination 48 05 37.97 (0.07) 48 05 37.88 48 05 37.97 48 05 35.03 (0.07) 48 05 37.88
Spectral type DA DA DA DA
Effective temperature [K] 6274.0 (37) 6216.0 5961.0 6400.0 (101) 6245.0 (52)
log(g) [cgs] 8.07 (0.01) 8.05 7.90 8.23 (0.1) 8.05 (0.02)
Mass [M] 0.633 (0.01) 0.617 0.511 0.74 (0.08) 0.623 (0.01)
log(Luminosity) [L] -3.75
Cooling age [Gyr] 2.3300 2.2530 2.1710
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 18.41 (0.09) 18.43 (0.1) 18.43 (0.1) 18.41 18.41 (0.09) 18.43 (0.1)
Distance [pc] 54.31 (0.3) 54.26 (0.4) 54.25 (0.3) 59.50 (4) 54.31 54.31 (0.3) 54.25 (0.3)
Composition H H
Proper motion (right ascension) [mas/yr] 180.8475365 (0.09) 180.9152111 (0.2) 188.0 180.848 (0.09) 180.9152111
Proper motion (declination) [mas/yr] 184.2135198 (0.08) 184.3499936 (0.2) 196.0 184.214 (0.08) 184.3499936
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.60
V magnitude
R magnitude 17.50
I magnitude
J magnitude 16.79 (0.02)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.61 (0.007) 17.63 17.61 17.61 (0.003) 17.63
BP magnitude 17.89 (0.007) 17.86 17.86
RP magnitude 17.20 (0.006) 17.16 17.16
Pan g magnitude 17.90 (0.006) 17.90 (0.006)
Pan r magnitude 17.62 (0.006) 17.62 (0.006)
Pan i magnitude 17.53 (0.003) 17.53 (0.003)
Pan z magnitude 17.51 (0.007) 17.51 (0.007)
Pan y magnitude 17.53 (0.01) 17.53 (0.02)
E(B-V) 0.005

* 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.