Gaia DR2 2197846748054585984

All names: WDJ215820.27+550527.19, Gaia DR3 2197846748054585984, Gaia DR2 2197846748054585984, Gaia EDR3 2197846748054585984

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 58 20.58 (0.07) 21 58 20.57 21 58 20.58 21 58 20.27 (0.07) 21 58 20.57
Declination 55 05 27.98 (0.07) 55 05 27.96 55 05 27.98 55 05 27.19 (0.07) 55 05 27.96
Spectral type DA DA
Effective temperature [K] 7637.0 7370.0 8000.0 (111)
log(g) [cgs] 7.92 7.81 8.02 (0.03)
Mass [M] 0.546 0.469 0.606 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.0830 1.0750
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.61 (0.08) 10.67 (0.1) 10.61 10.61 (0.08) 10.67 (0.1)
Distance [pc] 94.27 (0.7) 93.68 (0.9) 94.27 94.27 (0.7) 93.68 (0.9)
Composition
Proper motion (right ascension) [mas/yr] 169.8672077 (0.09) 169.6839645 (0.2) 169.867 (0.09) 169.6839645
Proper motion (declination) [mas/yr] 49.40025812 (0.1) 49.50540552 (0.2) 49.4 (0.1) 49.50540552
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.85 (0.007) 17.88 17.85 17.85 (0.003) 17.88
BP magnitude 17.99 (0.007) 17.99 17.99
RP magnitude 17.61 (0.01) 17.59 17.59
Pan g magnitude 17.99 (0.004)
Pan r magnitude 17.90 (0.005)
Pan i magnitude 17.91 (0.002)
Pan z magnitude 17.99 (0.007)
Pan y magnitude 18.03 (0.02)
E(B-V) 0.010

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.