Gaia DR2 4012048699177439744
All names: USNO-B1.0 1205-00202124, SDSS J123007.28+303445.8, Gaia EDR3 4012048699177439744, Gaia DR3 4012048699177439744, Gaia DR2 4012048699177439744, WDJ123007.34+303445.95, SDSS J123007.27+303445.8, LSPM J1230+3034, WDJ12307.34+303445.94
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 30 07.11 (0.2) | 12 30 07.12 | 12 30 07.11 | 12 30 07.34 (0.2) | 12 30 07.12 | |||||
| Declination | 30 34 45.77 (0.1) | 30 34 45.77 | 30 34 45.77 | 30 34 45.94 (0.1) | 30 34 45.77 | |||||
| Spectral type | DC: | DC | ||||||||
| Effective temperature | [K] | 4326.0 | 4039.0 | 4421.0 (96) | ||||||
| log(g) | [cgs] | 7.78 | 7.51 | 7.80 (0.06) | ||||||
| Mass | [M☉] | 0.453 | 0.319 | 0.46 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 5.8470 | 3.8670 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 15.41 (0.3) | 15.90 (0.4) | 15.41 | 15.41 (0.3) | 15.90 (0.4) | ||||
| Distance | [pc] | 64.90 (1) | 62.89 (2) | 64.90 | 64.90 (1) | 62.89 (2) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -181.6281403 (0.3) | -182.2081808 (0.6) | -181.628 (0.3) | -182.2081808 | |||||
| Proper motion (declination) | [mas/yr] | -10.84253849 (0.2) | -11.26965794 (0.3) | -10.843 (0.2) | -11.26965794 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 20.70 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 19.40 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 22.35 (0.3) | 22.35 (0.3) | ||||||||
| g magnitude | 20.27 (0.02) | 20.27 (0.02) | ||||||||
| r magnitude | 19.26 (0.01) | 19.26 (0.01) | ||||||||
| i magnitude | 18.85 (0.01) | 18.85 (0.01) | ||||||||
| z magnitude | 18.64 (0.04) | 18.64 (0.04) | ||||||||
| G magnitude | 19.26 (0.04) | 19.30 | 19.26 | 19.26 (0.004) | 19.30 | |||||
| BP magnitude | 19.92 (0.04) | 20.05 | 20.05 | |||||||
| RP magnitude | 18.54 (0.02) | 18.54 | 18.54 | |||||||
| Pan g magnitude | 20.10 (0.02) | |||||||||
| Pan r magnitude | 19.22 (0.009) | |||||||||
| Pan i magnitude | 18.87 (0.009) | |||||||||
| Pan z magnitude | 18.72 (0.01) | |||||||||
| Pan y magnitude | 18.63 (0.02) | |||||||||
| E(B-V) | 0.002 | |||||||||
* Constant surface field
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