PM J02238+2055
All names: Gaia EDR3 87648226538760064, SDSS J022348.96+205549.7, 2MASS J02234892+2055549, LP 410-11, USNO-B1.0 1109-00027755, PM J02238+2055, Gaia DR2 87648226538760064, J0223+2055, Gaia DR3 87648226538760064, LSPM J0223+2055, SDSS J022348.97+205549.8, NLTT 7863, 02238+2055, WDJ022348.96+205553.90, TIC 246975547, PSO J035.9540+20.9300
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 23 48.97 (0.1) | 02 23 48.97 (0.2) | 02 23 48.97 (0.2) | 02 23 48.97 | 02 23 48.96 (0.1) | 02 23 48.97 | ||||||||||
| Declination | 20 55 46.25 (0.1) | 20 55 46.49 (0.2) | 20 55 46.49 (0.2) | 20 55 46.25 | 20 55 53.91 (0.1) | 20 55 46.49 | ||||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | DC: | DC | ||||||
| Effective temperature | [K] | 4366.0 (34) | 4420.0 (83) | 4258.0 (31) | 4344.1 (117) | 4395.0 (40) | 4419.0 | 4128.0 | 4300.0 (91) | 4504.0 (67) | ||||||
| log(g) | [cgs] | 7.80 (0.02) | 7.82 (0.07) | 7.80 (0.01) | 7.81 (0.09) | 7.85 (0.03) | 7.86 | 7.61 | 8.00 (0) | 7.89 (0.04) | ||||||
| Mass | [M☉] | 0.463 (0.01) | 0.473 (0.03) | 0.453 (0.008) | 0.488 (0.02) | 0.497 | 0.36 | 0.58 (0.1) | 0.511 (0.03) | |||||||
| log(Luminosity) | [L☉] | -4.31 | ||||||||||||||
| Cooling age | [Gyr] | 5.8900 | 6.3200 (0.4) | 6.4150 | 4.4210 | |||||||||||
| log(H/He) | 0.11 | |||||||||||||||
| log(C/He) | ||||||||||||||||
| log(Ca/He) | ||||||||||||||||
| log(Ca/H) | ||||||||||||||||
| log(C/H) | ||||||||||||||||
| log(N/H) | ||||||||||||||||
| log(O/H) | ||||||||||||||||
| log(Na/H) | ||||||||||||||||
| log(Mg/H) | ||||||||||||||||
| log(Al/H) | ||||||||||||||||
| log(Si/H) | ||||||||||||||||
| log(P/H) | ||||||||||||||||
| log(S/H) | ||||||||||||||||
| log(Sc/H) | ||||||||||||||||
| log(Ti/H) | ||||||||||||||||
| log(Cr/H) | ||||||||||||||||
| log(Mn/H) | ||||||||||||||||
| log(Fe/H) | ||||||||||||||||
| log(Ni/H) | ||||||||||||||||
| Parallax | [mas] | 25.99 (0.2) | 25.99 (0.2) | 26.29 (0.2) | 26.29 (0.2) | 26.29 (0.2) | 26.29 (0.2) | 25.99 | 25.99 (0.2) | 26.29 (0.2) | ||||||
| Distance | [pc] | 38.48 (0.3) | 38.48 (0.3) | 38.04 (0.3) | 38.03 (0.3) | 38.03 (0.3) | 38.03 (0.3) | 33.50 (4) | 38.48 | 38.48 (0.3) | 38.03 (0.3) | |||||
| Composition | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 14.400314 (0.2) | 15.39988437 (0.4) | 14.4 (0.2) | 15.39988437 | |||||||||||
| Proper motion (declination) | [mas/yr] | -478.5573256 (0.1) | -478.054254 (0.3) | -478.557 (0.1) | -478.054254 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 19.60 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | 17.90 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.72 (0.01) | 16.77 (0.1) | 16.77 | 16.77 (0.1) | ||||||||||||
| H magnitude | 16.72 (0.03) | 16.72 | ||||||||||||||
| K magnitude | 17.15 (0.03) | 17.15 | ||||||||||||||
| u magnitude | 21.36 (0.1) | 21.30 | 21.53 (0.1) | 21.34 (0.1) | ||||||||||||
| g magnitude | 19.10 | 19.09 (0.01) | 19.10 (0.01) | |||||||||||||
| r magnitude | 18.11 | 18.13 (0.008) | 18.11 (0.007) | |||||||||||||
| i magnitude | 17.77 | 17.77 (0.003) | 17.77 (0.007) | |||||||||||||
| z magnitude | 17.57 | 17.66 (0.008) | 17.57 (0.01) | |||||||||||||
| G magnitude | 18.16 (0.03) | 18.19 | 18.19 | 18.16 | 18.16 (0.003) | 18.19 | ||||||||||
| BP magnitude | 18.77 (0.03) | 18.77 | 18.77 | |||||||||||||
| RP magnitude | 17.42 (0.008) | 17.43 | 17.43 | |||||||||||||
| Pan g magnitude | 18.97 (0.02) | 18.97 (0.01) | 18.98 (0.01) | |||||||||||||
| Pan r magnitude | 18.13 (0.009) | 18.13 (0.008) | 18.13 (0.008) | |||||||||||||
| Pan i magnitude | 17.77 (0.004) | 17.77 (0.003) | 17.77 (0.003) | |||||||||||||
| Pan z magnitude | 17.66 (0.008) | 17.66 (0.008) | 17.66 (0.008) | |||||||||||||
| Pan y magnitude | 17.59 (0.01) | 17.59 (0.01) | 17.59 (0.01) | |||||||||||||
| E(B-V) | 0.001 | |||||||||||||||
* Constant surface field
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