All names: SDSS J124307.36+165132.9, SDSS J124307.37+165133.0, USNO-B1.0 1068-00229362, PSO J124307.361+165133.025, Gaia DR2 3935214272577795712, SDSS J124307.37+165133.01
| Parameter | Unit | Pan-STARRS DR1 | Gaia DR2 | Kepler et al. 2015 | SDSS DR10 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 12 43 07.37 (0.1) | 12 43 07.31 | 12 43 07.27 | |||
| Declination | 16 51 32.61 (0.1) | 16 51 33.74 | 16 51 34.35 | |||
| Spectral type | DQ | DQA | ||||
| Effective temperature | [K] | 10172.0 (43) | ||||
| log(g) | [cgs] | 8.00 (0) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | -3.892 (0.02) | |||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 7.14 (0.2) | ||||
| Distance | [pc] | 140.06 (3) | ||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 99.3099825246 (0.4) | 108.0 | |||
| Proper motion (declination) | [mas/yr] | -110.483174034 (0.2) | -102.0 | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 18.80 | |||||
| V magnitude | ||||||
| R magnitude | 18.00 | |||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 17.95 (0.02) | 17.96 (0.01) | 17.95 | |||
| g magnitude | 17.96 (0.02) | 17.94 (0.006) | 17.96 | |||
| r magnitude | 18.13 (0.02) | 18.14 (0.008) | 18.13 | |||
| i magnitude | 18.28 (0.02) | 18.29 (0.01) | 18.28 | |||
| z magnitude | 18.48 (0.04) | 18.49 (0.03) | 18.48 | |||
| G magnitude | 18.04 | |||||
| BP magnitude | 17.99 | |||||
| RP magnitude | 18.01 | |||||
| Pan g magnitude | 17.99 (0.007) | |||||
| Pan r magnitude | 18.14 (0.006) | |||||
| Pan i magnitude | 18.33 (0.006) | |||||
| Pan z magnitude | 18.52 (0.02) | |||||
| Pan y magnitude | 18.54 (0.03) |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.