WD 1336+12
All names: PG 1336+124, ** LDS 4391B, PSO J133913.637+120829.622, 1SWASP J133913.55+120831.0, LSPM J1339+1208, 2MASS J13391351+1208314, WDJ133913.54+120831.23, WD 1336+123, WD1336+123, WDS J13392+1209B, Gaia DR2 3739076379028453504, USNO-B1.0 1021-00260259, PM2000 1062955, NLTT 34784, UCAC2 36125319, LP 498-26
| Parameter | Unit | MWDD HE | Pan-STARRS DR1 | Gaia DR2 | Bergeron et al. 2011 | Voss et al. 2007 | Koester et al. 2001 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 39 13.66 (0.05) | 13 39 13.60 | 13 39 13.53 | 13 39 13.66 | 13 39 12.74 | |||||
| Declination | 12 08 29.16 (0.04) | 12 08 30.00 | 12 08 31.32 | 12 08 29.16 | 12 08 35.88 | |||||
| Spectral type | DB | DB | DB | DB3+ | DB | |||||
| Effective temperature | [K] | 14920.0 | 15950.0 (407) | 16779.0 | 16869.0 (70) | |||||
| log(g) | [cgs] | 7.91 | 8.01 (0.09) | 8.00 | 8.26 (0.03) | |||||
| Mass | [M☉] | 0.539 | 0.6 (0.05) | |||||||
| log(Luminosity) | [L☉] | -2.03 | ||||||||
| Cooling age | [Gyr] | 0.1749 | 0.1778 | |||||||
| log(H/He) | <-6.29 (2) | |||||||||
| log(C/He) | ||||||||||
| 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] | 19.33 (0.06) | 19.33 (0.06) | |||||||
| Distance | [pc] | 51.73 (0.2) | 51.00 | 51.73 (0.2) | ||||||
| Composition | He | He | ||||||||
| Proper motion (right ascension) | [mas/yr] | 121.8946505 (0.1) | 122.8 | 121.8946505 | ||||||
| Proper motion (declination) | [mas/yr] | -132.9486809 (0.09) | -136.0 | -132.9486809 | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 13.90 | 13.90 | 14.41 | |||||||
| V magnitude | 14.72 | 14.83 | ||||||||
| R magnitude | 14.60 | |||||||||
| I magnitude | 14.40 | |||||||||
| J magnitude | 15.00 | |||||||||
| H magnitude | 15.02 | |||||||||
| K magnitude | 15.11 | |||||||||
| u magnitude | 14.48 (0.004) | |||||||||
| g magnitude | 14.54 (0.003) | |||||||||
| r magnitude | 14.87 (0.004) | |||||||||
| i magnitude | 15.12 (0.004) | |||||||||
| z magnitude | 15.39 (0.006) | |||||||||
| G magnitude | 14.72 | 14.72 | ||||||||
| BP magnitude | 14.60 | 14.60 | ||||||||
| RP magnitude | 14.81 | 14.81 | ||||||||
| Pan g magnitude | 14.62 (0.003) | |||||||||
| Pan r magnitude | 14.87 (0.006) | |||||||||
| Pan i magnitude | 15.14 (0.002) | |||||||||
| Pan z magnitude | 15.36 (0.003) | |||||||||
| Pan y magnitude | 15.51 (0.004) | |||||||||
* Constant surface field
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