All names: Gaia DR3 2865020675679724288, PG 2343+267, PG2343+267, USNO-B1.0 1170-00663392, GALEX J234551.3+270136, Gaia DR2 2865020675679724288, LAMOST J234551.37+270135.0, SDSS J234551.37+270135.0
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 23 45 51.40 | 23 45 51.37 (0.04) | ||
Declination | 27 01 34.97 | 27 01 35.13 (0.04) | ||
Spectral type | He-sdO | sdOC | ||
Effective temperature | [K] | 51030.0 (864) | ||
log(g) | [cgs] | 5.97 (0.1) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.33 (0.08) | 0.26 (0.06) | |
Distance | [pc] | 3048.78 (756) | 3847.63 (934) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -1.224 (0.1) | -1.366 (0.07) | |
Proper motion (declination) | [mas/yr] | -1.519 (0.07) | -1.386 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 16.40 | |||
V magnitude | ||||
R magnitude | 16.50 | |||
I magnitude | ||||
J magnitude | ||||
H magnitude | ||||
K magnitude | ||||
u magnitude | 16.00 (0.006) | 16.00 (0.006) | ||
g magnitude | 16.32 (0.003) | 16.32 (0.003) | ||
r magnitude | 16.73 (0.004) | 16.73 (0.004) | ||
i magnitude | 17.06 (0.006) | 17.06 (0.006) | ||
z magnitude | 17.35 (0.02) | 17.35 (0.02) | ||
G magnitude | 16.54 (0.001) | 16.51 (0.003) | ||
BP magnitude | 16.34 (0.007) | |||
RP magnitude | 16.75 (0.004) | |||
Pan g magnitude | 16.37 (0.004) | |||
Pan r magnitude | 16.74 (0.003) | |||
Pan i magnitude | 17.07 (0.003) | |||
Pan z magnitude | 17.34 (0.005) | |||
Pan y magnitude | 17.51 (0.01) | |||
E(B-V) | 0.085 |
* 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.