LP 369-19
All names: NLTT 21205, SDSS J091247.92+225154.4, J0912+2251, Gaia DR3 686867284694206336, WDJ091247.96+225155.13, USNO-B1.0 1128-00205463, LP 369-19, Gaia DR2 686867284694206336, PM J09127+2251, Gaia EDR3 686867284694206336, PSO J138.1993+22.8647, 2MASS J09124796+2251556, LSPM J0912+2251, TIC 85991241, 09127+2251
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | 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 | 09 12 47.84 (0.1) | 09 12 47.85 (0.2) | 09 12 47.84 | 09 12 47.96 (0.1) | 09 12 47.85 | |||||||||
| Declination | 22 51 53.04 (0.1) | 22 51 53.11 (0.2) | 22 51 53.04 | 22 51 55.12 (0.1) | 22 51 53.11 | |||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DA: | DC | ||||||
| Effective temperature | [K] | 4954.0 (18) | 4953.0 (18) | 4940.0 (35) | 4953.0 | 4631.0 | 4960.0 (69) | 5001.0 (62) | ||||||
| log(g) | [cgs] | 7.93 (0.01) | 7.97 (0.02) | 7.95 (0.03) | 7.95 | 7.72 | 8.00 (0) | 7.97 (0.03) | ||||||
| Mass | [M☉] | 0.537 (0.01) | 0.561 (0.01) | 0.548 (0.02) | 0.549 | 0.415 | 0.58 (0.1) | 0.564 (0.03) | ||||||
| log(Luminosity) | [L☉] | -4.06 | ||||||||||||
| Cooling age | [Gyr] | 5.8300 | 5.3380 (0.4) | 5.2950 | 3.9790 | |||||||||
| log(H/He) | ||||||||||||||
| 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] | 21.88 (0.2) | 22.16 (0.2) | 22.16 (0.2) | 22.16 (0.2) | 21.88 | 21.88 (0.2) | 22.16 (0.2) | ||||||
| Distance | [pc] | 45.70 (0.3) | 45.13 (0.5) | 45.13 (0.5) | 45.13 (0.5) | 43.90 (5) | 45.70 | 45.70 (0.3) | 45.13 (0.5) | |||||
| Composition | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -101.1039894 (0.2) | -100.5443256 (0.4) | -97.0 | -101.104 (0.2) | -100.5443256 | ||||||||
| Proper motion (declination) | [mas/yr] | -130.1743087 (0.2) | -130.5440347 (0.3) | -138.0 | -130.174 (0.2) | -130.5440347 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 18.20 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 18.10 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.89 (0.02) | 16.75 (0.1) | 16.75 | 16.75 (0.1) | ||||||||||
| H magnitude | 16.55 (0.2) | 16.55 (0.2) | 16.55 | 16.55 (0.2) | ||||||||||
| K magnitude | 15.99 (0.2) | 15.99 (0.2) | 15.99 | 15.99 (0.2) | ||||||||||
| u magnitude | 20.55 (0.06) | 20.44 | 20.44 (0.04) | 20.44 (0.04) | ||||||||||
| g magnitude | 18.81 | 18.71 (0.006) | 18.80 (0.008) | |||||||||||
| r magnitude | 18.09 | 18.08 (0.005) | 18.09 (0.007) | |||||||||||
| i magnitude | 17.83 | 17.83 (0.003) | 17.82 (0.008) | |||||||||||
| z magnitude | 17.69 | 17.74 (0.007) | 17.69 (0.02) | |||||||||||
| G magnitude | 18.13 (0.02) | 18.16 | 18.13 | 18.13 (0.003) | 18.16 | |||||||||
| BP magnitude | 18.64 (0.02) | 18.66 | 18.66 | |||||||||||
| RP magnitude | 17.49 (0.01) | 17.46 | 17.46 | |||||||||||
| Pan g magnitude | 18.71 (0.006) | 18.71 (0.006) | 18.70 (0.006) | |||||||||||
| Pan r magnitude | 18.08 (0.005) | 18.08 (0.005) | 18.09 (0.005) | |||||||||||
| Pan i magnitude | 17.83 (0.003) | 17.83 (0.003) | 17.83 (0.003) | |||||||||||
| Pan z magnitude | 17.74 (0.005) | 17.74 (0.007) | 17.74 (0.007) | |||||||||||
| Pan y magnitude | 17.67 (0.02) | 17.67 (0.02) | 17.67 (0.02) | |||||||||||
| E(B-V) | 0.001 | |||||||||||||
* Constant surface field
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