All names: WD 2320+337, 23229+3358, LSPM J2322+3358, PM J23229+3358, USNO-B1.0 1239-00540017, TIC 21284632, 2MASS J23225981+3358469
Parameter | Unit | Stilism | Limoges et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|
Right ascension | 23 22 59.65 (1256) | 23 22 59.33 | |||
Declination | 33 58 44.75 (1327) | 33 58 46.20 | |||
Spectral type | DA+dM | DA+dM | DA d | ||
Effective temperature | [K] | 14090.0 (574) | |||
log(g) | [cgs] | 8.20 (0.06) | |||
Mass | [M☉] | 0.73 (0.04) | |||
log(Luminosity) | [L☉] | -2.35 | |||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
log(C/H) | |||||
log(N/H) | |||||
log(O/H) | |||||
log(Na/H) | |||||
log(Mg/H) | |||||
log(Al/H) | |||||
log(Si/H) | |||||
log(P/H) | |||||
log(S/H) | |||||
log(Sc/H) | |||||
log(Ti/H) | |||||
log(Cr/H) | |||||
log(Mn/H) | |||||
log(Fe/H) | |||||
log(Ni/H) | |||||
Parallax | [mas] | ||||
Distance | [pc] | 100.60 (3) | |||
Composition | H | ||||
Proper motion (right ascension) | [mas/yr] | -156.0 (34) | |||
Proper motion (declination) | [mas/yr] | -250.0 (39) | |||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | WDMS | ||||
B magnitude | 16.20 | ||||
V magnitude | 15.68 | ||||
R magnitude | 15.40 | ||||
I magnitude | |||||
J magnitude | 13.14 | 13.14 (0.03) | |||
H magnitude | 12.59 | 12.59 (0.03) | |||
K magnitude | 12.28 | 12.28 (0.02) | |||
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) | 0.011 |
* 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.