SDSS J154448.43+161553.1

All names: Gaia EDR3 1196162410709557248, Gaia DR3 1196162410709557248, SDSS J154448.43+161553.17, Gaia DR2 1196162410709557248, SDSS J154448.43+161553.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Kepler et al. 2015 Simbad
Right ascension 15 44 48.43 (0.4) 15 44 48.43 15 44 48.43 (0.6) 15 44 48.44 (0.4)
Declination 16 15 53.15 (0.3) 16 15 53.19 16 15 53.15 (0.4) 16 15 53.17 (0.3)
Spectral type DA: DA
Effective temperature [K] 8750.0 (75)
log(g) [cgs] 7.05 (0.2)
Mass [M] 0.257 (0.04)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.62 (0.5) -0.55 (0.8)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -0.735859956 (0.5) -0.624165451 (1) -0.736 (0.5)
Proper motion (declination) [mas/yr] -1.557112283 (0.4) -1.75288896 (0.7) -1.557 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.75 (0.06) 20.69 (0.06) 20.69 (0.06)
g magnitude 19.87 (0.01) 19.87 (0.02) 19.87 (0.02)
r magnitude 19.90 (0.02) 19.90 (0.02) 19.90 (0.02)
i magnitude 19.96 (0.02) 19.97 (0.02) 19.97 (0.02)
z magnitude 19.84 (0.07) 19.86 (0.07) 19.86 (0.07)
G magnitude 19.84 (0.05) 19.88 19.84 (0.004)
BP magnitude 19.85 (0.05) 19.98
RP magnitude 19.53 (0.08) 19.57
Pan g magnitude 19.90 (0.02)
Pan r magnitude 19.87 (0.01)
Pan i magnitude 19.95 (0.02)
Pan z magnitude 19.97 (0.03)
Pan y magnitude 19.93 (0.04)
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.