SDSS J233848.03+033956.4

All names: Gaia DR2 2647792465481912192, SDSS J233848.03+033956.48, SDSS J233848.03+033956.4, Gaia EDR3 2647792465481912192, Gaia DR3 2647792465481912192

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 23 38 48.03 (0.5) 23 38 48.03 23 38 48.03 (0.7) 23 38 48.03 (0.5)
Declination 03 39 56.36 (0.4) 03 39 56.44 03 39 56.36 (0.5) 03 39 56.41 (0.4)
Spectral type sdA sdA
Effective temperature [K] 7468.0 (68)
log(g) [cgs] 6.15 (0.2)
Mass [M] 0.1528 (0.001)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.68 (0.6) -0.68 (0.9)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 0.538999668 (0.9) 0.001946942 (1) 0.539 (0.9)
Proper motion (declination) [mas/yr] -3.058133607 (0.5) -2.563432225 (0.8) -3.058 (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 20.96 (0.1) 20.95 (0.09) 20.95 (0.09)
g magnitude 20.23 (0.02) 20.23 (0.03) 20.23 (0.03)
r magnitude 20.00 (0.02) 20.00 (0.03) 20.00 (0.03)
i magnitude 19.96 (0.03) 19.96 (0.03) 19.96 (0.03)
z magnitude 19.97 (0.1) 19.98 (0.1) 19.98 (0.1)
G magnitude 19.99 (0.06) 20.05 19.99 (0.006)
BP magnitude 20.22 (0.06) 20.21
RP magnitude 19.49 (0.07) 19.72
Pan g magnitude 20.15 (0.01)
Pan r magnitude 19.99 (0.01)
Pan i magnitude 19.98 (0.01)
Pan z magnitude 20.05 (0.06)
Pan y magnitude 19.96 (0.08)
E(B-V)

* 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.