LSPM J1522+2535
All names: J1522+2535, Gaia DR3 1270140821499608832, WDJ152205.10+253500.72, SDSS J152205.05+253500.7, Gaia DR2 1270140821499608832, Gaia EDR3 1270140821499608832, USNO-B1.0 1155-00225071, SDSS J152204.97+253500.71, SDSS J152205.04+253500.7, LSPM J1522+2535, SDSS J152204.97+253500.7, GALEX J152205.0+253500
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 22 04.91 (0.04) | 15 22 05.05 | 15 22 04.91 (0.06) | 15 22 04.91 | 15 22 05.10 (0.04) | 15 22 04.91 | |||||||||
| Declination | 25 35 00.75 (0.06) | 25 35 00.72 | 25 35 00.75 (0.07) | 25 35 00.75 | 25 35 00.72 (0.06) | 25 35 00.75 | |||||||||
| Spectral type | DQ | DC | DC | DC | DC | DQ | DC | DQ | |||||||
| Effective temperature | [K] | 8682.0 (58) | 9142.0 (64) | 9608.0 | 9461.0 | 10256.0 (154) | 8226.0 (66) | ||||||||
| log(g) | [cgs] | 7.86 (0.01) | 7.98 (0.01) | 8.21 | 8.13 | 8.00 (0) | 7.75 (0.02) | ||||||||
| Mass | [M☉] | 0.498 (0.01) | 0.568 (0.01) | 0.726 | 0.658 | 0.441 (0.01) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.8100 | 0.9013 | 0.8735 | |||||||||||
| log(H/He) | -4.2 | ||||||||||||||
| log(C/He) | -5.0 | ||||||||||||||
| log(Ca/He) | |||||||||||||||
| log(Ca/H) | |||||||||||||||
| log(N/He) | |||||||||||||||
| log(O/He) | |||||||||||||||
| log(Na/He) | |||||||||||||||
| log(Mg/He) | |||||||||||||||
| log(Al/He) | |||||||||||||||
| log(Si/He) | |||||||||||||||
| log(P/He) | |||||||||||||||
| log(S/He) | |||||||||||||||
| log(Cl/He) | |||||||||||||||
| log(Sc/He) | |||||||||||||||
| log(Ti/He) | |||||||||||||||
| log(V/He) | |||||||||||||||
| log(Cr/He) | |||||||||||||||
| log(Mn/He) | |||||||||||||||
| log(Fe/He) | |||||||||||||||
| log(Co/He) | |||||||||||||||
| log(Ni/He) | |||||||||||||||
| log(Cu/He) | |||||||||||||||
| log(Zn/He) | |||||||||||||||
| log(Ga/He) | |||||||||||||||
| log(Ge/He) | |||||||||||||||
| log(Sr/He) | |||||||||||||||
| Parallax | [mas] | 10.46 (0.08) | 10.37 (0.1) | 10.37 (0.1) | 10.46 | 10.46 (0.08) | 10.37 (0.1) | ||||||||
| Distance | [pc] | 95.60 (0.8) | 96.43 (0.9) | 96.44 (1) | 95.60 | 95.60 (0.8) | 96.44 (1) | ||||||||
| Composition | He | He | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -162.5261434 (0.05) | -162.6621238 (0.2) | -162.526 (0.05) | -162.6621238 | ||||||||||
| Proper motion (declination) | [mas/yr] | 1.755743717 (0.08) | 1.654383363 (0.2) | 1.756 (0.08) | 1.654383363 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 18.30 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 17.60 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.50 (0.03) | ||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 17.77 (0.01) | 17.77 (0.01) | 17.77 (0.02) | 17.77 (0.01) | 17.77 (0.01) | ||||||||||
| g magnitude | 17.51 (0.005) | 17.51 (0.01) | 17.51 (0.005) | 17.51 (0.005) | |||||||||||
| r magnitude | 17.59 (0.006) | 17.59 (0.02) | 17.59 (0.006) | 17.59 (0.006) | |||||||||||
| i magnitude | 17.71 (0.007) | 17.72 (0.02) | 17.71 (0.007) | 17.71 (0.007) | |||||||||||
| z magnitude | 17.90 (0.02) | 17.91 (0.02) | 17.90 (0.02) | 17.90 (0.02) | |||||||||||
| G magnitude | 17.52 (0.006) | 17.55 | 17.52 | 17.52 (0.003) | 17.55 | ||||||||||
| BP magnitude | 17.59 (0.006) | 17.56 | 17.56 | ||||||||||||
| RP magnitude | 17.40 (0.008) | 17.39 | 17.39 | ||||||||||||
| Pan g magnitude | 17.56 (0.005) | 17.56 (0.005) | |||||||||||||
| Pan r magnitude | 17.61 (0.002) | 17.61 (0.002) | |||||||||||||
| Pan i magnitude | 17.73 (0.002) | 17.73 (0.003) | |||||||||||||
| Pan z magnitude | 17.88 (0.007) | 17.88 (0.009) | |||||||||||||
| Pan y magnitude | 17.99 (0.01) | 17.99 (0.01) | |||||||||||||
| E(B-V) | 0.022 | ||||||||||||||
* Constant surface field
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