LSPM J0815+1633
All names: J0815+1633, TIC 27681543, PSO J123.8206+16.5543, 2MASS J08151676+1633172, SDSS J081516.84+163316.35, Gaia EDR3 655808799925588992, WDJ081516.76+163316.88, 08152+1633, USNO-B1.0 1065-00157014, LSPM J0815+1633, PM J08152+1633, Gaia DR2 655808799925588992, WD 0812+167, SDSS J081516.84+163316.3, Gaia DR3 655808799925588992, NLTT 19193, LP 424-26
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 15 17.03 (0.1) | 08 15 16.84 | 08 15 16.84 | 08 15 17.02 (0.2) | 08 15 17.03 | 08 15 16.76 (0.1) | 08 15 17.02 | 08 15 16.39 | ||||||||||||
| Declination | 16 33 15.20 (0.1) | 16 33 16.34 | 16 33 16.34 | 16 33 15.26 (0.1) | 16 33 15.20 | 16 33 16.87 (0.1) | 16 33 15.26 | 16 33 11.52 | ||||||||||||
| Spectral type | DA | DA | DA | DC | DC | DC | DC | DC | DA | DC | DA | DC | DA | |||||||
| Effective temperature | [K] | 4675.0 (24) | 4693.0 (37) | 4668.0 (32) | 4655.0 (35) | 4704.0 | 4403.0 | 4710.0 (80) | 5200.0 (1000) | 4727.0 (61) | ||||||||||
| log(g) | [cgs] | 7.13 (0.02) | 7.03 (0.02) | 6.78 (0.06) | 6.77 (0.08) | 6.84 | 6.30 | 8.00 (0) | 9.50 (0.5) | 6.81 (0.08) | ||||||||||
| Mass | [M☉] | 0.265 (0.007) | 0.2 (0) | 0.116 (0.01) | 0.082 (0.03) | 0.129 | 0.044 | 0.58 (0.1) | 0.123 (0.02) | |||||||||||
| log(Luminosity) | [L☉] | -4.15 | ||||||||||||||||||
| Cooling age | [Gyr] | 1.6200 | 1.4290 (0.1) | |||||||||||||||||
| 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] | 13.80 (0.2) | 13.98 (0.2) | 13.98 (0.2) | 13.98 (0.2) | 13.80 | 13.80 (0.2) | 13.98 (0.2) | ||||||||||||
| Distance | [pc] | 72.48 (1) | 71.53 (1) | 71.54 (1) | 71.54 (1) | 40.40 (5) | 72.48 | 72.48 (1) | 71.54 (1) | |||||||||||
| Composition | H | H | H | H | ||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 248.652109 (0.2) | 248.3966419 (0.4) | 248.652 (0.2) | 248.397 | |||||||||||||||
| Proper motion (declination) | [mas/yr] | -104.4193064 (0.1) | -104.7017068 (0.3) | -104.419 (0.1) | -104.702 | |||||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | ||||||||||||||||||||
| Bd | [MG] | |||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | 18.90 | |||||||||||||||||||
| V magnitude | ||||||||||||||||||||
| R magnitude | 17.90 | |||||||||||||||||||
| I magnitude | ||||||||||||||||||||
| J magnitude | 16.85 (0.02) | 16.78 (0.2) | 16.78 | 16.78 (0.2) | ||||||||||||||||
| H magnitude | 16.14 (0.2) | 16.14 (0.2) | 16.14 | 16.14 (0.2) | ||||||||||||||||
| K magnitude | 15.67 (0.3) | 15.67 (0.3) | 15.67 | 15.67 (0.3) | ||||||||||||||||
| u magnitude | 20.81 (0.06) | 20.81 (0.06) | 20.78 (0.1) | 20.83 | 20.81 (0.06) | 20.81 (0.06) | 20.81 (0.06) | |||||||||||||
| g magnitude | 19.00 (0.009) | 19.00 (0.009) | 18.98 | 19.00 (0.01) | 18.87 (0.009) | 19.00 (0.009) | ||||||||||||||
| r magnitude | 18.16 (0.007) | 18.16 (0.007) | 18.16 | 18.16 (0.01) | 18.15 (0.009) | 18.16 (0.007) | ||||||||||||||
| i magnitude | 17.84 (0.007) | 17.84 (0.007) | 17.88 | 17.84 (0.01) | 17.85 (0.005) | 17.84 (0.007) | ||||||||||||||
| z magnitude | 17.68 (0.02) | 17.68 (0.02) | 17.68 | 17.68 (0.02) | 17.75 (0.007) | 17.68 (0.02) | ||||||||||||||
| G magnitude | 18.19 (0.02) | 18.22 | 18.19 | 18.19 (0.003) | 18.22 | |||||||||||||||
| BP magnitude | 18.74 (0.02) | 18.78 | 18.78 | |||||||||||||||||
| RP magnitude | 17.50 (0.01) | 17.49 | 17.49 | |||||||||||||||||
| Pan g magnitude | 18.87 (0.009) | 18.87 (0.02) | 18.87 (0.009) | |||||||||||||||||
| Pan r magnitude | 18.15 (0.009) | 18.14 (0.006) | 18.15 (0.009) | |||||||||||||||||
| Pan i magnitude | 17.85 (0.005) | 17.84 (0.005) | 17.85 (0.005) | |||||||||||||||||
| Pan z magnitude | 17.75 (0.007) | 17.74 (0.03) | 17.75 (0.007) | |||||||||||||||||
| Pan y magnitude | 17.66 (0.02) | 17.70 (0.01) | 17.66 (0.02) | |||||||||||||||||
| E(B-V) | 0.002 | |||||||||||||||||||
* Constant surface field
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