All names: DENIS J191615.8-420618, TIC 61728030, GALEXJ19162-4206, 2MASS J19161591-4206183, Gaia DR3 6713898035366489216, UCAC4 240-171722, Gaia DR2 6713898035366489216, Gaia EDR3 6713898275883856256, GALEX J191615.8-420617
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 19 16 19.79 (0.8) | 19 16 15.83 | 19 16 15.90 (0.03) | ||
Declination | -42 04 42.80 (0.8) | -42 06 17.19 | -42 06 18.15 (0.03) | ||
Spectral type | He-sdO | sdOHe | |||
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] | 1.19 (0.7) | 0.07 (0.06) | 0.07 (0.04) | |
Distance | [pc] | 840.12 (520) | 14471.78 (12964) | 14513.79 (8552) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -4.238 (0.8) | -4.702 (0.09) | -4.477 (0.04) | |
Proper motion (declination) | [mas/yr] | -27.036 (0.7) | -4.171 (0.08) | -4.279 (0.04) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | |||||
R magnitude | 15.19 (0.08) | ||||
I magnitude | 14.95 (0.04) | ||||
J magnitude | 15.18 (0.04) | 15.18 (0.04) | |||
H magnitude | 15.50 (0.1) | 15.50 (0.1) | |||
K magnitude | 15.15 (0.1) | 15.15 (0.1) | |||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 20.27 (0.008) | 14.80 (0.001) | 14.77 (0.003) | ||
BP magnitude | 20.61 (0.1) | 14.61 (0.007) | |||
RP magnitude | 19.82 (0.1) | 14.98 (0.004) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.088 |
* 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.