PG 1658+441

Other names:

Parameter Unit Simbad
Right ascension 16 59 48.44
Declination 44 01 03.90
Spectral type DAP1.6
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -23.4
Proper motion (declination) [mas/yr] 95.0
Variability
Magnetic
Db [MG]
Infrared excess (disk)
Binarity
B magnitude 14.30
V magnitude 14.60
R magnitude
I magnitude
J magnitude 15.45
H magnitude 15.53
K magnitude 15.05
u magnitude 14.31
g magnitude 14.58
r magnitude 15.04
i magnitude 15.37
z magnitude 15.70

* Constant surface field

Special notes:

Spectra

Absorption lines

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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.