NLTT 19193
All names: SDSS J081516.84+163316.3, NLTT 19193, 2MASS J08151676+1633172, LSPM J0815+1633, USNO-B1.0 1065-00157014, PM J08152+1633, WD 0812+167, PSO J081517.002+163315.439, Gaia DR2 655808799925588992, 08152+1633, WDJ081516.76+163316.88
| Parameter | Unit | Blouin et al. 2019 | MWDD H | MWDD HE | Pan-STARRS DR1 | Gaia DR2 | Limoges et al. 2015 | SDSS DR12 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 15 17.02 (0.2) | 08 15 16.84 | 08 15 16.76 | 08 15 17.02 | 08 15 16.39 | ||||||
| Declination | 16 33 15.26 (0.1) | 16 33 16.34 | 16 33 17.32 | 16 33 15.26 | 16 33 11.52 | ||||||
| Spectral type | DC | DC | DC | DC | DC: | DC | |||||
| Effective temperature | [K] | 4655.0 (35) | 4704.0 | 4403.0 | 4710.0 (80) | ||||||
| log(g) | [cgs] | 6.77 (0.08) | 6.84 | 6.30 | 8.00 (0) | ||||||
| Mass | [M☉] | 0.08199999999999999 (0.03) | 0.129 | 0.044000000000000004 | 0.58 (0.1) | ||||||
| log(Luminosity) | [L☉] | -4.15 | |||||||||
| Cooling age | [Gyr] | 1.4290 (0.1) | 1.4780 | 0.3253 | |||||||
| 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] | 13.98 (0.2) | 13.98 (0.2) | 13.98 (0.2) | |||||||
| Distance | [pc] | 71.54 (1) | 71.54 (1) | 40.40 (5) | 71.54 (1) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 248.396641883 (0.4) | 244.0 | 248.396641883 | |||||||
| Proper motion (declination) | [mas/yr] | -104.701706843 (0.3) | -106.0 | -104.701706843 | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.90 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 17.90 | ||||||||||
| I magnitude | 17.70 | ||||||||||
| J magnitude | 16.78 (0.2) | 16.78 | 16.78 | ||||||||
| H magnitude | 16.14 (0.2) | 16.14 | 16.14 | ||||||||
| K magnitude | 15.67 (0.3) | 15.67 | 15.67 | ||||||||
| u magnitude | 20.83 | 20.81 (0.06) | 20.81 | 20.81 (0.06) | |||||||
| g magnitude | 18.98 | 19.00 (0.009) | 19.00 | 19.00 (0.009) | |||||||
| r magnitude | 18.16 | 18.16 (0.007) | 18.16 | 18.16 (0.007) | |||||||
| i magnitude | 17.88 | 17.84 (0.007) | 17.84 | 17.84 (0.007) | |||||||
| z magnitude | 17.68 | 17.68 (0.02) | 17.68 | 17.68 (0.02) | |||||||
| G magnitude | 18.22 | 18.22 | |||||||||
| BP magnitude | 18.78 | 18.78 | |||||||||
| RP magnitude | 17.49 | 17.49 | |||||||||
| Pan g magnitude | 18.87 (0.009) | 18.87 (0.02) | |||||||||
| Pan r magnitude | 18.15 (0.009) | 18.14 (0.006) | |||||||||
| Pan i magnitude | 17.85 (0.005) | 17.84 (0.005) | |||||||||
| Pan z magnitude | 17.75 (0.007) | 17.74 (0.03) | |||||||||
| Pan y magnitude | 17.66 (0.02) | 17.70 (0.01) | |||||||||
* Constant surface field
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