SDSS J122417.65+385557.0

All names: GALEX J122417.7+385556, Gaia DR3 1532169315867227264, Gaia DR2 1532169315867227264, Gaia EDR3 1532169315867227264, SDSS J122417.65+385557.0

Parameter Unit Gaia EDR3 Stilism Simbad Vincent et al. 2023
Right ascension 12 24 17.68 (0.4) 12 24 17.66 (0.4)
Declination 38 55 56.63 (0.3) 38 55 57.14 (0.3)
Spectral type D DC
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] 3.95 (0.5) 3.95 (0.5)
Distance [pc] 253.41 (29) 253.41 (29)
Composition
Proper motion (right ascension) [mas/yr] 9.105 (0.4) 9.105 (0.4)
Proper motion (declination) [mas/yr] -31.722 (0.5) -31.722 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.13 (0.05)
g magnitude 20.00 (0.02)
r magnitude 20.13 (0.02)
i magnitude 20.22 (0.03)
z magnitude 20.27 (0.1)
G magnitude 20.08 (0.005) 20.08 (0.005)
BP magnitude 20.21 (0.07)
RP magnitude 19.96 (0.1)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.016

* Constant surface field

Special notes:

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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.