SDSS J150213.52+550933.6
All names: Gaia DR3 1612339037975539328, SDSS J150213.52+550933.6, Gaia EDR3 1612339037975539328, Gaia DR2 1612339037975539328
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 02 13.54 (0.5) | 15 02 13.54 | 15 02 13.54 (0.7) | 15 02 13.54 (0.5) | 15 02 13.52 | ||||
| Declination | 55 09 33.57 (0.5) | 55 09 33.70 | 55 09 33.57 (0.8) | 55 09 33.58 (0.5) | 55 09 33.66 | ||||
| Spectral type | sd | sd | sd | SD_auto | |||||
| Effective temperature | [K] | 21171.0 | 25343.0 | 19984.0 (1149) | |||||
| log(g) | [cgs] | 6.35 | 6.53 | 5.16 (0.2) | |||||
| Mass | [M☉] | 0.149 | 0.176 | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | -0.32 (0.5) | 0.33 (0.8) | 0.33 (0.8) | |||||
| Distance | [pc] | 2990.04 (6705) | 2990.43 (6707) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.979128512 (0.6) | -3.21066245 (1) | -0.979 (0.6) | -6.6 | ||||
| Proper motion (declination) | [mas/yr] | -1.138092654 (0.7) | -0.2664445 (2) | -1.138 (0.7) | -3.8 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 20.40 (0.06) | 20.38 (0.06) | 20.38 (0.06) | ||||||
| g magnitude | 20.39 (0.02) | 20.38 (0.02) | 20.39 (0.03) | ||||||
| r magnitude | 20.69 (0.04) | 20.70 (0.04) | 20.70 (0.04) | ||||||
| i magnitude | 20.71 (0.06) | 20.70 (0.07) | 20.70 (0.07) | ||||||
| z magnitude | 21.46 (0.4) | 21.47 (0.4) | 21.50 (0.4) | ||||||
| G magnitude | 20.50 (0.08) | 20.58 | 20.50 (0.007) | ||||||
| BP magnitude | 20.40 (0.08) | 20.33 | |||||||
| RP magnitude | 20.48 (0.1) | 20.28 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.020 | ||||||||
* 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
