SDSS J014440.80+232936.8
All names: SDSS J014440.80+232936.8, GALEX J014440.7+232935, Gaia DR2 290731455867715456, Gaia DR3 290731455867715456, Gaia EDR3 290731455867715456, SDSS J014440.80+232936.7, SDSS J014440.80+232936.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 44 40.80 (0.4) | 01 44 40.80 | 01 44 40.80 (0.5) | 01 44 40.81 (0.4) | 01 44 40.80 | ||||||
| Declination | 23 29 36.20 (0.4) | 23 29 36.65 | 23 29 36.23 (0.5) | 23 29 37.10 (0.4) | 23 29 36.79 | ||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 7568.0 | 7335.0 | 10169.0 (98) | |||||||
| log(g) | [cgs] | 8.11 | 8.03 | 7.96 (0.7) | |||||||
| Mass | [M☉] | 0.663 | 0.591 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.4540 | 1.4330 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 5.04 (0.5) | 4.97 (0.6) | 5.04 (0.5) | |||||||
| Distance | [pc] | 198.47 (18) | 201.13 (24) | 198.47 (18) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.376182906 (0.5) | -10.46269341 (1) | -9.376 (0.5) | |||||||
| Proper motion (declination) | [mas/yr] | -56.13160498 (0.5) | -56.9909268 (1) | -56.132 (0.5) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.44 (0.07) | 20.44 (0.07) | 20.30 (0.05) | ||||||||
| g magnitude | 19.99 (0.02) | 19.98 (0.02) | 19.97 (0.02) | ||||||||
| r magnitude | 19.87 (0.02) | 19.87 (0.02) | 19.84 (0.02) | ||||||||
| i magnitude | 19.85 (0.04) | 19.85 (0.04) | 19.96 (0.03) | ||||||||
| z magnitude | 20.05 (0.1) | 20.05 (0.1) | 19.81 (0.08) | ||||||||
| G magnitude | 19.84 (0.09) | 19.88 | 19.84 (0.005) | ||||||||
| BP magnitude | 20.08 (0.09) | 19.75 | |||||||||
| RP magnitude | 19.70 (0.09) | 19.54 | |||||||||
| Pan g magnitude | 19.95 (0.03) | ||||||||||
| Pan r magnitude | 19.84 (0.03) | ||||||||||
| Pan i magnitude | 19.93 (0.01) | ||||||||||
| Pan z magnitude | 19.95 (0.02) | ||||||||||
| Pan y magnitude | 19.82 (0.04) | ||||||||||
| E(B-V) | 0.040 | ||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
