SDSS J155120.54+094406.0

All names: SDSS J155120.54+094406.07, Gaia DR3 4455423395826936320, SDSS J155120.54+094406.0, Gaia DR2 4455423395826936320, Gaia EDR3 4455423395826936320

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 15 51 20.55 (0.2) 15 51 20.54 15 51 20.55 (0.3) 15 51 20.55 (0.2)
Declination 09 44 05.97 (0.3) 09 44 06.07 09 44 05.97 (0.3) 09 44 06.06 (0.3)
Spectral type sdA sdA
Effective temperature [K] 6853.0 (47)
log(g) [cgs] 5.68 (0.1)
Mass [M☉] 0.14531 (0.0004)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.22 (0.3) -0.07 (0.4)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 3.663481711 (0.3) 3.773793963 (0.7) 3.663 (0.3)
Proper motion (declination) [mas/yr] -5.839899544 (0.3) -6.541511568 (0.8) -5.84 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.48 (0.06) 20.49 (0.05) 20.49 (0.05)
g magnitude 19.54 (0.01) 19.55 (0.02) 19.55 (0.02)
r magnitude 19.28 (0.01) 19.29 (0.02) 19.29 (0.02)
i magnitude 19.11 (0.02) 19.12 (0.02) 19.12 (0.02)
z magnitude 19.18 (0.07) 19.18 (0.06) 19.18 (0.06)
G magnitude 19.23 (0.04) 19.26 19.23 (0.004)
BP magnitude 19.59 (0.04) 19.51
RP magnitude 18.85 (0.03) 18.85
Pan g magnitude 19.50 (0.008)
Pan r magnitude 19.23 (0.006)
Pan i magnitude 19.13 (0.007)
Pan z magnitude 19.15 (0.007)
Pan y magnitude 19.12 (0.03)
E(B-V)

* 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.