KPD 2024+5303

All names: KPD2024+5303, UCAC4 717-071174, KPD 2024+5303, WISEA J202534.37+531244.7, Gaia DR2 2181841672689968128, PA 39, TIC 277013493, WISE J202534.42+531244.8, PN G089.1+08.7, Gaia DR3 2181841672689968128, 2MASS J20253456+5312448

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 20 25 34.56 20 25 34.57 (0.02)
Declination 53 12 44.99 53 12 44.79 (0.02)
Spectral type sdB sdB
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.13 (0.04) 0.16 (0.02)
Distance [pc] 7633.59 (2092) 6207.32 (763)
Composition
Proper motion (right ascension) [mas/yr] -4.271 (0.07) -4.203 (0.02)
Proper motion (declination) [mas/yr] -5.446 (0.07) -5.292 (0.02)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.61
V magnitude 14.57
R magnitude 15.06 (0.1)
I magnitude
J magnitude 14.24
H magnitude 14.91 (0.09) 14.91 (0.09)
K magnitude 14.14
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.70 (0.0007) 14.68 (0.003)
BP magnitude 14.62 (0.005)
RP magnitude 14.70 (0.003)
Pan g magnitude 14.64 (0.003)
Pan r magnitude 14.84 (0.0003)
Pan i magnitude 15.04 (0.002)
Pan z magnitude 15.22 (0.004)
Pan y magnitude 15.33 (0.004)
E(B-V) 0.212

* 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.