SDSS J123145.08+282551.8
All names: Gaia DR2 4010754226098773888, Gaia DR3 4010754226098773888, GALEX J123145.0+282551, SDSS J123145.08+282551.87, Gaia EDR3 4010754226098773888, SDSS J123145.08+282551.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 31 45.01 (0.6) | 12 31 45.08 | 12 31 45.01 (0.8) | 12 31 45.12 (0.6) | |||||||
| Declination | 28 25 51.79 (0.3) | 28 25 51.87 | 28 25 51.79 (0.4) | 28 25 51.82 (0.3) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 7548.0 | 7395.0 | 8543.0 (229) | |||||||
| log(g) | [cgs] | 7.69 | 7.61 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.426 | 0.372 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.8461 | 0.8508 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 3.07 (0.7) | 3.09 (0.9) | 3.07 (0.7) | |||||||
| Distance | [pc] | 325.24 (75) | 324.03 (91) | 325.23 (75) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -94.01564988 (0.9) | -95.63299827 (2) | -94.016 (0.9) | |||||||
| Proper motion (declination) | [mas/yr] | -2.137953375 (0.6) | -1.557614767 (0.8) | -2.138 (0.6) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.73 (0.06) | 20.76 (0.07) | 20.76 (0.07) | ||||||||
| g magnitude | 20.36 (0.02) | 20.41 (0.03) | 20.41 (0.03) | ||||||||
| r magnitude | 20.29 (0.03) | 20.35 (0.03) | 20.35 (0.03) | ||||||||
| i magnitude | 20.33 (0.04) | 20.38 (0.04) | 20.38 (0.04) | ||||||||
| z magnitude | 20.29 (0.1) | 20.35 (0.1) | 20.35 (0.1) | ||||||||
| G magnitude | 20.30 (0.06) | 20.38 | 20.30 (0.006) | ||||||||
| BP magnitude | 20.43 (0.06) | 20.59 | |||||||||
| RP magnitude | 19.99 (0.07) | 20.14 | |||||||||
| Pan g magnitude | 20.39 (0.02) | ||||||||||
| Pan r magnitude | 20.34 (0.02) | ||||||||||
| Pan i magnitude | 20.39 (0.02) | ||||||||||
| Pan z magnitude | 20.54 (0.06) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.014 | ||||||||||
* 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
