All names: BPS CS 22949-0042, PHL529, TIC 301288857, Gaia DR3 2634058882351683968, Gaia EDR3 2634058882351683968, 2MASS J23270880-0424366, Gaia DR2 2634058882351683968, PHL 529, GALEX J232708.8-042433
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 23 27 08.81 (0.03) | 23 27 08.77 | 23 27 08.81 (0.04) | ||
Declination | -04 24 37.11 (0.03) | -04 24 35.80 | -04 24 36.86 (0.03) | ||
Spectral type | sdB | sdB | |||
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] | 1.37 (0.04) | 1.30 (0.05) | 1.37 (0.04) | |
Distance | [pc] | 732.12 (21) | 768.52 (29) | 732.12 (21) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 7.47 (0.05) | 7.407 (0.09) | 7.47 (0.05) | |
Proper motion (declination) | [mas/yr] | -15.225 (0.04) | -15.269 (0.07) | -15.225 (0.04) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 13.56 | ||||
V magnitude | 13.86 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 14.32 (0.02) | 14.32 (0.02) | |||
H magnitude | 14.50 (0.04) | 14.50 (0.04) | |||
K magnitude | 14.38 (0.07) | 14.38 (0.07) | |||
u magnitude | 13.66 (0.004) | ||||
g magnitude | 13.98 (0.004) | ||||
r magnitude | 14.21 (0.004) | ||||
i magnitude | 14.58 (0.004) | ||||
z magnitude | 14.62 (0.005) | ||||
G magnitude | 13.81 (0.003) | 13.83 (0.0007) | 13.81 (0.003) | ||
BP magnitude | 13.67 (0.003) | 13.61 (0.006) | |||
RP magnitude | 14.07 (0.004) | 14.07 (0.002) | |||
Pan g magnitude | 13.67 (0.005) | ||||
Pan r magnitude | 14.05 (0.004) | ||||
Pan i magnitude | 14.40 (0.002) | ||||
Pan z magnitude | 14.68 (0.005) | ||||
Pan y magnitude | 14.84 (0.004) | ||||
E(B-V) | 0.031 |
* 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.