All names: LAMOST J042359.63+342749.2, Gaia DR3 176209799348981376, LAMOSTJ042359.63+342749.2, UCAC4 623-016944, 2MASS J04235963+3427494, Gaia DR2 176209799348981376, TIC 408303975
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 04 23 59.63 | 04 23 59.62 (0.03) | ||
Declination | 34 27 49.20 | 34 27 49.39 (0.02) | ||
Spectral type | sdOB | sdOB | ||
Effective temperature | [K] | 36905.0 (114) | ||
log(g) | [cgs] | 5.94 (0.02) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 1.19 (0.06) | 1.27 (0.04) | |
Distance | [pc] | 842.89 (42) | 787.65 (23) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 7.562 (0.1) | 7.453 (0.04) | |
Proper motion (declination) | [mas/yr] | -22.747 (0.08) | -22.672 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | 15.38 (0.09) | |||
I magnitude | ||||
J magnitude | 14.97 (0.04) | 14.97 (0.04) | ||
H magnitude | 14.80 (0.05) | 14.80 (0.05) | ||
K magnitude | 14.69 (0.07) | 14.69 (0.07) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.19 (0.0008) | 15.17 (0.003) | ||
BP magnitude | 15.15 (0.008) | |||
RP magnitude | 15.09 (0.005) | |||
Pan g magnitude | 15.15 (0.0003) | |||
Pan r magnitude | 15.27 (0.002) | |||
Pan i magnitude | 15.43 (0.002) | |||
Pan z magnitude | 15.57 (0.004) | |||
Pan y magnitude | 15.64 (0.004) | |||
E(B-V) | 0.372 |
* 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.