All names: Gaia DR3 1904782845765435264, Gaia DR2 1904782845765435264, LSPM J2239+3702, USNO-B1.0 1270-00590464
Parameter | Unit | Vincent et al. 2024 | Simbad |
---|---|---|---|
Right ascension | 22 39 32.46 | 22 39 32.25 (0.06) | |
Declination | 37 02 41.51 | 37 02 41.11 (0.08) | |
Spectral type | DA | DA | |
Effective temperature | [K] | 11478.0 (227) | |
log(g) | [cgs] | 8.38 (0.03) | |
Mass | [M☉] | 0.844 (0.03) | |
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 6.64 | 6.64 (0.1) |
Distance | [pc] | 150.56 | 150.56 (3) |
Composition | |||
Proper motion (right ascension) | [mas/yr] | 160.021 (0.1) | |
Proper motion (declination) | [mas/yr] | 24.99 (0.1) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | 18.50 | ||
V magnitude | |||
R magnitude | 18.60 | ||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | |||
g magnitude | |||
r magnitude | |||
i magnitude | |||
z magnitude | |||
G magnitude | 18.26 | 18.26 (0.003) | |
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) |
* 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.