21031+0132 STF 2744 AC
 
 
 21h 03m 03.09s +01° 31' 55.9" P.A. 99.00 sep 97.8 mag 6.76,12.90 Sp F7IV dist. 70.82 pc (231.01 l.y.)
 
 
| Coord 2000 | 21031+0132 |  | Discov num | STF2744 |  | Comp | AC |  | Coord arcsec 2000 | 21 03 03.09 +01 31 55.9 |  | 
| Date first | 1912 |  | Date last | 2000 |  | Obs | 3 |  | 
| Pa first | 102 |  | Pa last | 99.2 |  | P.A. Now (θ) | 99.2° |  | 
| Sep first | 87.6 |  | Sep last | 97.78 |  | Sep. Now (ρ) | 97.78" |  | 
| Mag pri | 6.76 |  | Mag sec | 12.90 |  | delta mag (ΔM) | 6.14 |  | Spectral class | F7IV (yellow-white) |  | 
| Pri motion ra | -111 |  | Sec motion ra | +012 |  | 
| Pri motion dec | -053 |  | Sec motion dec | -024 |  | 
| Notes | N 
 (See Notes) |  | 
rPM=1.027
This double is not physical.
 
 
21031+0132 SYSTEM COMPONENTS
 
 
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current | 
| Show | HD 200375 | 126491 | 21 03 03 +01 31 56 | STF 2744 AB | 2020 | 382 | 107 | 1.2 | 6.76 | 7.33 | 0.57 | Y |  | 
| Show |  |  | 21 03 03 +01 31 56 | STF 2744 AC | 2000 | 3 | 99 | 97.8 | 6.76 | 12.90 | 6.14 |  | <=== | 
| Show |  |  | 21 03 03 +01 31 56 | STF 2744 AD | 2011 | 3 | 300 | 73.9 | 6.76 | 14.30 | 7.54 |  |  | 
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
| Constellation | Aquarius |  | SAO | 126491 |  | HIP | 103892 |  | Tycho2 | 0526-01953-1 |  | 
| Gaia DR2 | 1729643738815644288 |  | HD | 200375 |  | HR | 8056 |  | ADS | 14573 |  | 
| BD | BD+00 4648 |  | Distance | 70.82 |  | Distance ly | 231.01 |  |