Lan 21

All names: Gaia DR2 1827853320031235712, Lan 021, PN G059.1-00.7, Gaia EDR3 1827853320031235712, Gaia DR3 1827853320031235712, NAME Kronberger PN J1944.9+2245, Lan 21, DSH J1944.9+2245

Parameter Unit Gaia EDR3 Stilism Lepine et al. 2011 Vincent et al. 2024 Simbad
Right ascension 19 44 59.13 (0.03) 19 44 59.13 19 44 59.14 (0.03)
Declination 22 45 47.45 (0.03) 22 45 47.45 22 45 47.75 (0.03)
Spectral type DA1.0 DA DA1
Effective temperature [K] 55570.0 (1387) 39297.0 (1458)
log(g) [cgs] 7.64 (0.09) 7.27 (0.03)
Mass [M] 0.56 (0.03) 0.401 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.0020
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.55 (0.05) 2.55 2.55 (0.05)
Distance [pc] 392.20 (7) 296.00 392.21 392.20 (7)
Composition
Proper motion (right ascension) [mas/yr] -9.044 (0.04) -9.044 (0.04)
Proper motion (declination) [mas/yr] -18.907 (0.05) -18.907 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.40
V magnitude 15.77
R magnitude 16.20
I magnitude 17.40
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.17 (0.003) 16.17 16.17 (0.003)
BP magnitude 16.02 (0.003)
RP magnitude 16.46 (0.005)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.055

* 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.