NLTT 30811
All names: USNO-B1.0 1230-00247371, SDSS J122801.59+330035.5, LSPM J1228+3300, 2MASS J12280160+3300366, WD 1225+332, PM J12280+3300, NLTT 30811, PSO J122801.626+330034.312, Gaia DR2 4015951102167164032, 12280+3300, WDJ122801.57+330036.27
| 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 | 12 28 01.62 (0.2) | 12 28 01.59 | 12 28 01.60 | 12 28 01.62 | 12 28 01.68 | ||||||
| Declination | 33 00 33.54 (0.09) | 33 00 35.55 | 33 00 36.61 | 33 00 33.54 | 33 00 30.96 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | |||||
| Effective temperature | [K] | 4560.0 (30) | 4544.0 | 4231.0 | 4630.0 (75) | ||||||
| log(g) | [cgs] | 7.24 (0.04) | 7.23 | 6.96 | 8.00 (0) | ||||||
| Mass | [M☉] | 0.23199999999999998 (0.01) | 0.228 | 0.149 | 0.58 (0.1) | ||||||
| log(Luminosity) | [L☉] | -4.18 | |||||||||
| Cooling age | [Gyr] | 2.3520 (0.08) | 2.3480 | 2.1200 | |||||||
| 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] | 19.19 (0.2) | 19.19 (0.2) | 19.19 (0.2) | |||||||
| Distance | [pc] | 52.12 (0.5) | 52.12 (0.5) | 35.70 (4) | 52.12 (0.5) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 38.7771665323 (0.3) | 48.0 | 38.7771665323 | |||||||
| Proper motion (declination) | [mas/yr] | -176.385214963 (0.2) | -181.0 | -176.385214963 | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.60 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 17.70 | ||||||||||
| I magnitude | 17.30 | ||||||||||
| J magnitude | 16.70 (0.1) | 16.70 | 16.70 | ||||||||
| H magnitude | 16.16 (0.2) | 16.16 | 16.16 | ||||||||
| K magnitude | 16.01 (0.2) | 16.01 | 16.01 | ||||||||
| u magnitude | 20.71 | 20.74 (0.07) | 20.73 | 20.73 (0.07) | |||||||
| g magnitude | 18.88 | 18.89 (0.009) | 18.89 | 18.89 (0.009) | |||||||
| r magnitude | 17.97 | 17.98 (0.006) | 17.98 | 17.98 (0.006) | |||||||
| i magnitude | 17.61 | 17.63 (0.007) | 17.63 | 17.63 (0.007) | |||||||
| z magnitude | 17.46 | 17.48 (0.01) | 17.48 | 17.48 (0.01) | |||||||
| G magnitude | 18.03 | 18.03 | |||||||||
| BP magnitude | 18.63 | 18.63 | |||||||||
| RP magnitude | 17.30 | 17.30 | |||||||||
| Pan g magnitude | 18.78 (0.01) | 18.78 (0.01) | |||||||||
| Pan r magnitude | 17.97 (0.004) | 17.97 (0.004) | |||||||||
| Pan i magnitude | 17.65 (0.004) | 17.65 (0.004) | |||||||||
| Pan z magnitude | 17.53 (0.004) | 17.53 (0.004) | |||||||||
| Pan y magnitude | 17.49 (0.01) | 17.49 (0.01) | |||||||||
* Constant surface field
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