SDSS J231807.41-103557.7

All names: Gaia DR2 2413617074544324224, Gaia DR3 2413617074544324224, SDSS J231807.41-103557.7, Gaia EDR3 2413617074544324224

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Simbad Eisenstein et al. 2006
Right ascension 23 18 07.41 (0.1) 23 18 07.41 23 18 07.41 (0.1) 23 18 07.42 (0.1) 23 18 07.41
Declination -10 35 57.81 (0.1) -10 35 57.80 -10 35 57.81 (0.1) -10 35 57.74 (0.1) -10 35 57.74
Spectral type sd SD_auto
Effective temperature [K] 12195.0 (62)
log(g) [cgs] 5.00 (0.001)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.17 (0.1) 0.13 (0.2) 0.17 (0.1)
Distance [pc] 5867.18 (4603) 7411.16 (8816) 5868.54 (4605)
Composition
Proper motion (right ascension) [mas/yr] -2.605448091 (0.1) -2.462333598 (0.3) -2.605 (0.1) -2.7
Proper motion (declination) [mas/yr] -4.178334273 (0.1) -3.850908746 (0.3) -4.178 (0.1) 0.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.65 (0.02) 18.71 (0.02) 18.71 (0.02)
g magnitude 17.65 (0.005) 17.67 (0.006) 17.71 (0.02)
r magnitude 17.89 (0.006) 17.89 (0.007) 17.90 (0.01)
i magnitude 18.07 (0.009) 18.07 (0.01) 18.09 (0.02)
z magnitude 18.16 (0.03) 18.23 (0.03) 18.23 (0.04)
G magnitude 17.79 (0.01) 17.81 17.79 (0.003)
BP magnitude 17.78 (0.01) 17.78
RP magnitude 17.76 (0.01) 17.80
Pan g magnitude 17.69 (0.007)
Pan r magnitude 17.90 (0.003)
Pan i magnitude 18.12 (0.007)
Pan z magnitude 18.29 (0.007)
Pan y magnitude 18.32 (0.01)
E(B-V) 0.021

* 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.