SDSS J125403.88+480353.5
All names: GALEX J125403.9+480354, SDSS J125403.88+480353.5, SDSS J125403.88+480353.58, Gaia EDR3 1555230060431133312, Gaia DR2 1555230060431133312, Gaia DR3 1555230060431133312
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 54 03.87 (0.1) | 12 54 03.88 | 12 54 03.87 (0.2) | 12 54 03.87 | 12 54 03.88 (0.1) | |||||||
| Declination | 48 03 53.27 (0.1) | 48 03 53.59 | 48 03 53.29 (0.2) | 48 03 53.27 | 48 03 53.66 (0.1) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | DC | ||||||
| Effective temperature | [K] | 7756.0 | 7478.0 | 8224.0 (206) | 7219.0 (257) | |||||||
| log(g) | [cgs] | 8.30 | 8.21 | 8.00 (0) | 8.10 (0.07) | |||||||
| Mass | [M☉] | 0.784 | 0.707 | 0.636 (0.06) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 2.0300 | 1.8530 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 7.41 (0.2) | 7.41 (0.3) | 7.41 | 7.41 (0.2) | |||||||
| Distance | [pc] | 134.89 (4) | 134.90 (5) | 134.89 | 134.89 (4) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.4529406 (0.2) | -6.811337598 (0.3) | -6.453 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | -24.32865856 (0.2) | -24.08718552 (0.3) | -24.329 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.71 (0.04) | 19.68 (0.07) | 19.71 (0.04) | |||||||||
| g magnitude | 19.25 (0.01) | 19.24 (0.04) | 19.25 (0.01) | |||||||||
| r magnitude | 19.20 (0.01) | 19.19 (0.03) | 19.20 (0.01) | |||||||||
| i magnitude | 19.19 (0.02) | 19.19 (0.04) | 19.19 (0.02) | |||||||||
| z magnitude | 19.30 (0.07) | 19.31 (0.07) | 19.31 (0.07) | |||||||||
| G magnitude | 19.16 (0.03) | 19.19 | 19.16 | 19.16 (0.003) | ||||||||
| BP magnitude | 19.33 (0.03) | 19.25 | ||||||||||
| RP magnitude | 18.93 (0.04) | 18.81 | ||||||||||
| Pan g magnitude | 19.28 (0.01) | |||||||||||
| Pan r magnitude | 19.18 (0.007) | |||||||||||
| Pan i magnitude | 19.23 (0.009) | |||||||||||
| Pan z magnitude | 19.29 (0.01) | |||||||||||
| Pan y magnitude | 19.35 (0.02) | |||||||||||
| E(B-V) | 0.009 | |||||||||||
* 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
