LP 440-19

All names: USNO-B1.0 1091-00223745, NLTT 37243, LSPM J1424+1906, SDSS J142433.95+190634.7, LP 440-19, SDSS J142433.95+190636.4, SDSS J142433.94+190634.7

Parameter Unit Simbad
Right ascension 14 24 33.97 (0.1)
Declination 19 06 37.60 (0.1)
Spectral type DA
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.19 (0.2)
Distance [pc] 238.50 (10)
Composition
Proper motion (right ascension) [mas/yr] -22.548 (0.3)
Proper motion (declination) [mas/yr] -231.095 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.60
V magnitude
R magnitude 18.30
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.07 (0.01)
g magnitude 17.79 (0.005)
r magnitude 18.08 (0.007)
i magnitude 18.33 (0.009)
z magnitude 18.65 (0.04)
G magnitude 17.97 (0.002)
BP magnitude
RP magnitude
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude

* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.