All names: SDSS J074121.90+265425.7, UCAC4 585-040045, LAMOST J074121.90+265425.8, Gaia DR2 869167966142655616, 2MASS J07412191+2654257, SDSSJ074121.90+265425.7, SDSS J074121.90+265425.8, Gaia DR3 869167966142655616, GALEX J074121.9+265426
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 07 41 21.91 | 07 41 21.91 (0.03) | ||
Declination | 26 54 25.78 | 26 54 25.81 (0.03) | ||
Spectral type | sd | sdB+F5V | ||
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] | 0.43 (0.06) | 0.48 (0.04) | |
Distance | [pc] | 2330.46 (300) | 2099.08 (181) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -2.97 (0.1) | -3.062 (0.04) | |
Proper motion (declination) | [mas/yr] | -4.814 (0.08) | -4.488 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.65 (0.04) | |||
V magnitude | 15.59 (0.04) | |||
R magnitude | 15.65 (0.2) | |||
I magnitude | ||||
J magnitude | 15.39 (0.04) | 15.39 (0.04) | ||
H magnitude | 15.09 (0.07) | 15.09 (0.07) | ||
K magnitude | 15.14 (0.1) | 15.14 (0.1) | ||
u magnitude | 15.59 (0.004) | 15.59 (0.004) | ||
g magnitude | 15.51 (0.003) | 15.53 (0.02) | ||
r magnitude | 15.70 (0.003) | 15.73 (0.06) | ||
i magnitude | 15.79 (0.004) | 15.79 (0.004) | ||
z magnitude | 15.89 (0.006) | 15.89 (0.006) | ||
G magnitude | 15.59 (0.0007) | 15.57 (0.003) | ||
BP magnitude | 15.56 (0.005) | |||
RP magnitude | 15.48 (0.005) | |||
Pan g magnitude | 15.58 (0.002) | |||
Pan r magnitude | 15.71 (0.002) | |||
Pan i magnitude | 15.82 (0.003) | |||
Pan z magnitude | 15.93 (0.0005) | |||
Pan y magnitude | 15.98 (0.003) | |||
E(B-V) | 0.035 |
* 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.