All names: Gaia DR2 1224444946447641216, Gaia DR3 1224444946447641216, SDSS J154523.24+274441.8
Parameter | Unit | Stilism | Simbad |
---|---|---|---|
Right ascension | 15 45 23.24 (0.5) | ||
Declination | 27 44 41.84 (0.7) | ||
Spectral type | D | ||
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] | 6.90 (0.9) | |
Distance | [pc] | 144.95 (19) | |
Composition | |||
Proper motion (right ascension) | [mas/yr] | 5.623 (0.9) | |
Proper motion (declination) | [mas/yr] | 27.11 (1) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | |||
V magnitude | |||
R magnitude | |||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | 23.07 (0.3) | ||
g magnitude | 21.17 (0.03) | ||
r magnitude | 20.70 (0.03) | ||
i magnitude | 20.60 (0.04) | ||
z magnitude | 20.67 (0.2) | ||
G magnitude | 20.71 (0.008) | ||
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) | 0.023 |
* 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.