SDSS J074855.51+233908.7
All names: SDSS J074855.50+233908.8, Gaia DR2 675386802752818816, Gaia DR3 675386802752818816, SDSS J074855.51+233908.7, GALEX J074855.5+233909, Gaia EDR3 675386802752818816
| 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 | 07 48 55.50 (0.3) | 07 48 55.51 | 07 48 55.50 (0.4) | 07 48 55.51 (0.3) | 07 48 55.51 | ||||||
| Declination | 23 39 08.05 (0.2) | 23 39 08.86 | 23 39 08.08 (0.3) | 23 39 08.97 (0.2) | 23 39 08.74 | ||||||
| Spectral type | DC | DC | DC | DC | DC: | ||||||
| Effective temperature | [K] | 7687.0 | 7463.0 | 10108.0 (43) | |||||||
| log(g) | [cgs] | 8.33 | 8.25 | 8.97 (0.7) | |||||||
| Mass | [M☉] | 0.802 | 0.736 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 2.2310 | 2.0850 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 5.96 (0.3) | 6.08 (0.5) | 5.96 (0.3) | |||||||
| Distance | [pc] | 167.65 (1e+01) | 164.34 (13) | 167.65 (1e+01) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.225616116 (0.4) | -4.760504573 (0.8) | -4.226 (0.4) | |||||||
| Proper motion (declination) | [mas/yr] | -57.05316447 (0.3) | -57.03970825 (0.5) | -57.053 (0.3) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.34 (0.05) | 20.34 (0.05) | 20.32 (0.05) | ||||||||
| g magnitude | 19.79 (0.01) | 19.79 (0.01) | 19.80 (0.02) | ||||||||
| r magnitude | 19.67 (0.02) | 19.67 (0.02) | 19.67 (0.02) | ||||||||
| i magnitude | 19.71 (0.02) | 19.71 (0.02) | 19.71 (0.02) | ||||||||
| z magnitude | 19.78 (0.07) | 19.78 (0.07) | 19.76 (0.07) | ||||||||
| G magnitude | 19.65 (0.04) | 19.70 | 19.65 (0.005) | ||||||||
| BP magnitude | 19.83 (0.04) | 19.75 | |||||||||
| RP magnitude | 19.49 (0.07) | 19.40 | |||||||||
| Pan g magnitude | 19.78 (0.01) | ||||||||||
| Pan r magnitude | 19.71 (0.009) | ||||||||||
| Pan i magnitude | 19.70 (0.01) | ||||||||||
| Pan z magnitude | 19.79 (0.03) | ||||||||||
| Pan y magnitude | 19.86 (0.07) | ||||||||||
| E(B-V) | 0.007 | ||||||||||
* Constant surface field
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