01057+2128 STF 88 BC

01h 05m 41.70s +21° 27' 55.6" P.A. 109.00 sep 68.5 mag 5.45,10.71 Sp A0 dist. 85.91 pc (280.24 l.y.)

Coord 2000 01057+2128 Discov num STF  88 Comp BC Coord arcsec 2000 01 05 41.70 +21 27 55.6
Date first 1881 Date last 2017 Obs 18
Pa first 108 Pa last 109 P.A. Now (θ) 109°
Sep first 74.8 Sep last 68.46 Sep. Now (ρ) 68.46"
Mag pri 5.45 Mag sec 10.71 delta mag (ΔM) 5.26 Spectral class A0 (white)
Pri motion ra +054 Sec motion ra +011
Pri motion dec -013 Sec motion dec -004
Notes N (See Notes)




rPM=0.791

Nature of this double is uncertain.



01057+2128 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 74482 01 05 41 +21 28 24 YR 6 Aa,Ab 2017 21 312 0.1 5.70 6.60 0.90 Y
Show Psi1 Psc 74482 01 05 41 +21 28 24 STF 88 AB 2020 166 159 29.9 5.27 5.45 0.18
Show 74482 01 05 41 +21 28 24 STF 88 AC 2017 15 124 90.4 5.27 10.71 5.44
Show 74483 01 05 42 +21 27 56 STF 88 BC 2017 18 109 68.5 5.45 10.71 5.26 <===


Quadruple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Pisces SAO 74483 HIP 5132 Tycho2 1202-02125-1
Gaia DR2 2790497465471261568 HD 6457 HR 311 GC 1310
ADS 899 BD BD+20 157 Bayer Psi 1 Piscium Bayer name Psi1 Psc
Flamsteed 74 Piscium Flamsteed name 74 Psc Distance 85.91 Distance ly 280.24
Bayer greek ψ1 Psc