| A | B | C | D | E | F | |
| B | pa=322.4° sep=94.64" | |||||
| C | pa=182.5° sep=198.41" | pa=169.8° sep=277.58" | ||||
| D | pa=173.4° sep=276.61" | pa=165.6° sep=361.07" | pa=152.0° sep=86.66" | |||
| E | pa=342.8° sep=144.71" | pa=13.3° sep=64.96" | pa=354.2° sep=338.18" | pa=349.7° sep=419.70" | ||
| F | pa=147.8° sep=235.14" | pa=146.3° sep=329.49" | pa=90.3° sep=134.04" | pa=51.0° sep=120.27" | pa=153.5° sep=376.79" | |
| G | pa=148.4° sep=223.54" | pa=146.6° sep=317.83" | pa=86.4° sep=126.31" | pa=45.3° sep=120.13" | pa=154.0° sep=365.46" | pa=317.5° sep=11.80" |
| Common name | Mothallah | Meaning | the apex of the triangle | Other names | Ras al Muthallah, Ras al Mothallah, Caput Trianguli, Rasalmudallah, Metallah, Atria | Coord arcsec 2000 | 015304.91+293443.8 | ||||
| Mag | 3.46 | Spectral class | F6IV (yellow-white) | PmRA | 11.00 | PmDE | -234.0 | ||||
| SAO | 74996 | HIP | 8796 | Tycho2 | 1763-03028-1 | HD | 11443 | ||||
| HR | 544 | GC | 2272 | BD | BD+28 312 | Bayer | Alpha Trianguli | ||||
| Bayer name | Alp Tri | Flamsteed | 2 Trianguli | Flamsteed name | 2 Tri | FK5 | 64 |
| Tycho2 | 1763-03028-1 | Pflag | RAmdeg | 28.27045048 | DEmdeg | 29.57882527 | |||||
| PmRA | 12.0 | PmDE | -234.9 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
| E pmRA | 0.6 | E pmDE | 0.6 | EpRAm | 1991.40 | EpDEm | 1991.35 | ||||
| Num | 25 | Q RAmdeg | 1.0 | Q DEmdeg | 1.0 | Q pmRA | 1.2 | ||||
| Q pmDE | 0.8 | BTmag | 3.984 | E BTmag | 0.014 | VTmag | 3.457 | ||||
| E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 8796 | ||||
| CCDM | RAdeg | 28.27041917 | DEdeg | 29.57936528 | EpRA 1990 | 1.83 | |||||
| EpDE 1990 | 1.73 | E RAdeg | 3.2 | E DEdeg | 3.4 | Posflg | |||||
| Corr | -0.2 |
| SAO | 74996 | DelFlag | RA1950 | PmRA1950 | 0.0008 | ||||||
| DE1950 | PmDE1950 | -0.229 | Vmag | 3.6 | SpType | F5 | |||||
| Double code | Source | 74 | CatNum | 64 | DM | BD+28 312 | |||||
| DMcomp | BDsup | HD | 11443 | M HD | 0 | ||||||
| GC | 2272 | RA1950rad | 0.48094292 | DE1950rad | 0.51201241 | PmRA2000 | 0.0008 | ||||
| PmDE2000 | -0.234 |
| Catalog | H | HIP | 8796 | Proxy | RAhms | 01 53 04.90 | |||||
| DEdms | +29 34 45.8 | Vmag | 3.42 | VarFlag | 1 | R Vmag | G | ||||
| RAdeg | 28.2704 | DEdeg | 29.5794 | AstroRef | Plx | 50.87 | |||||
| CCDM | 01531+2935 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
| MultFlag | Source | Qual | M HIP | ||||||||
| Theta | Rho | HD | 11443 | BD | BD+28 312 | ||||||
| CD | CP | Dm number | +28 312 | VIred | 0.55 | ||||||
| SpType | F6IV | R SpType | Coord arcsec 2000 | 015304.90+293445.8 |
| HIP | 8796 | Sn | 5 | So | 0 | Nc | 1 | ||||
| RArad | 0.49341184 | DErad | 0.5162578708 | Plx | 51.5 | PmRA | 10.82 | ||||
| PmDE | -234.24 | E RArad | 0.19 | E DErad | 0.13 | E Plx | 0.23 | ||||
| E pmRA | 0.21 | E pmDE | 0.16 | Hpmag | 3.521 | E Hpmag | 0.0006 | ||||
| SHp | 0.006 | VA | 1 | BV | 0.488 | E BV | 0.009 | ||||
| VI | 0.55 |
| Ccdm | 01531+2935 | RComp | Comp | A | Note1 | ||||||
| Note2 | Discov num | DRAs | -1.10 | DDEs | -16.1 | ||||||
| R dRAs | 10 | Year | Theta | Rho | |||||||
| Obs | 3 | Vmag | 3.6 | Sp | F5 | PmNote | * | ||||
| PmRA | 11 | PmDE | -230 | Dm number | +28 312 | Cat1 | BD | ||||
| Name2 | +29 233 | Cat2 | AGK2/3 | HD | 11443 | M HD | |||||
| ADS BDS | M ADS BDS | N IDS | IDS | 01474N2906A | |||||||
| HIC | 8796 |
| Coord arcsec 2000 | 015300.49+293558.8 | Mag | 13.27 | PmRA | -18.00 | PmDE | -11.0 | ||||
| Calc delta mag | 9.81 | Calc coord | yes |
| Ccdm | 01531+2935 | RComp | Comp | B | Note1 | ||||||
| Note2 | Discov num | BUP | DRAs | DDEs | |||||||
| R dRAs | Year | 1909 | Theta | 309 | Rho | 85.0 | |||||
| Obs | 2 | Vmag | 12.9 | Sp | PmNote | ||||||
| PmRA | PmDE | Dm number | Cat1 | ||||||||
| Name2 | Cat2 | HD | M HD | ||||||||
| ADS BDS | M ADS BDS | N IDS | IDS | 01474N2906B | |||||||
| HIC |
| Coord arcsec 2000 | 015304.24+293125.6 | Mag | 12.87 | PmRA | 7.00 | PmDE | 1.0 | ||||
| Calc delta mag | 9.41 | Calc coord | yes |
| Ccdm | 01531+2935 | RComp | Comp | C | Note1 | ||||||
| Note2 | Discov num | BUP | DRAs | DDEs | |||||||
| R dRAs | Year | 1909 | Theta | 182 | Rho | 222.3 | |||||
| Obs | 2 | Vmag | 12.2 | Sp | PmNote | ||||||
| PmRA | PmDE | Dm number | Cat1 | ||||||||
| Name2 | Cat2 | HD | M HD | ||||||||
| ADS BDS | M ADS BDS | N IDS | IDS | 01474N2906C | |||||||
| HIC |
| Coord arcsec 2000 | 015307.35+293009.0 | Mag | 10.99 | PmRA | 14.00 | PmDE | 3.0 | ||||
| Calc delta mag | 7.53 | Calc coord | yes |
| Coord arcsec 2000 | 015301.63+293702.0 | Mag | 12.35 | PmRA | 25.00 | PmDE | 27.0 | ||||
| Calc delta mag | 8.89 | Calc coord | yes |
| Coord arcsec 2000 | 015314.51+293124.8 | Coord calc | 015314.51+293124.8 | Mag | 14.22 | PmRA | 4.00 | ||||
| PmDE | -12.0 | Calc delta mag | 10.76 |
| Coord arcsec 2000 | 015313.90+293133.5 | Mag | 16.4 | PmRA | -13.00 | PmDE | 9.0 | ||||
| Calc delta mag | 12.94 | Calc coord | yes |