All names: WD 2224+483, LHS 3811, NLTT 53861, G 215-42, LSPM J2226+4837N, LP 188-2, ** LDS 4969B, WDS J22263+4838B
Parameter | Unit | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|
Right ascension | 22 26 16.84 | 22 26 14.45 | |
Declination | 48 37 30.80 | 48 36 59.40 | |
Spectral type | ? | ||
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] | ||
Distance | [pc] | ||
Composition | |||
Proper motion (right ascension) | [mas/yr] | 396.0 | |
Proper motion (declination) | [mas/yr] | 420.0 | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | 18.60 | ||
V magnitude | |||
R magnitude | 16.70 | ||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | |||
g magnitude | |||
r magnitude | |||
i magnitude | |||
z magnitude | |||
G magnitude | |||
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) |
* Constant surface field
Spectra without link are available upon request
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.