SDSS J144854.89+051903.7

All names: SDSS J144854.80+051903.5, WD 1446+055, USNO-B1.0 0953-00237825, PSO J144854.796+051903.665, Gaia DR2 1159147901516125440, SDSS J144854.80+051903.54

Parameter Unit Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 14 48 54.77 (0.2) 14 48 54.89 14 48 54.89
Declination 05 19 03.58 (0.1) 05 19 03.70 05 19 03.70
Spectral type DQ DQ
Effective temperature [K] 14700.0 (300)
log(g) [cgs] 8.50 (0)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He) -2.1 (0.1)
log(Ca/He)
log(Ca/H)
Parallax [mas] 8.32 (0.2)
Distance [pc] 120.25 (3)
Composition
Proper motion (right ascension) [mas/yr] -133.452025882 (0.3) -132.0
Proper motion (declination) [mas/yr] -13.9433466586 (0.3) -6.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.70
V magnitude
R magnitude 18.10
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.78 (0.03) 17.77 (0.01) 17.77
g magnitude 18.00 (0.02) 17.97 (0.006) 17.97
r magnitude 18.32 (0.02) 18.31 (0.008) 18.31
i magnitude 18.58 (0.02) 18.57 (0.01) 18.57
z magnitude 18.85 (0.04) 18.84 (0.04) 18.82
G magnitude 18.19
BP magnitude 18.00
RP magnitude 18.35
Pan g magnitude 18.05 (0.004)
Pan r magnitude 18.33 (0.006)
Pan i magnitude 18.61 (0.005)
Pan z magnitude 18.82 (0.02)
Pan y magnitude 19.02 (0.03)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.