01057+2128 STF  88AB (Psi1 Psc)

 
 
01H 05M 40.93S +21 28' 23.6" P.A. 159 SEP 29.8 MAG 5.27,5.45 SP B9.5V+A0V DIST. 84.32 PC (275.05 L.Y.)
 
 
Coord 2000
01057+2128
Discov num
STF  88
Comp
AB
Coord arcsec 2000
01 05 40.93 +21 28 23.6
Date first
1755
Date last
2016
Obs
159
Pa first
156
Pa last
159
P.A. Now (θ)
159°
Sep first
30.4
Sep last
29.8
Sep. Now (ρ)
29.8"
Mag pri
5.27
Mag sec
5.45
delta mag (ΔM)
0.18
Spectral class
B9.5V+A0V (blue-white/white)
Pri motion ra
+044
Sec motion ra
+054
Pri motion dec
-014
Sec motion dec
-013
Notes
N Z V (See Notes, Parallax indicates components are physical, Proper motion indicates physical)
rPM=0.181 (< 0.3, Physical double)
This double is physical.
 
 
01057+2128 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 74482 01057+2128 YR 6 Aa,Ab 1999 2014 19 307 0.1 5.70 6.60 0.90 Y
Show Psi1 Psc 74482 01057+2128 STF 88 AB 1755 2016 159 159 29.8 5.27 5.45 0.18 <===
Show 74482 01057+2128 STF 88 AC 1891 2000 14 123 90.8 5.27 10.71 5.44
Show 74483 01057+2128 STF 88 BC 1881 2000 16 108 69.1 5.45 10.71 5.26
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Psi1 Psc
Constellation
Pisces
SAO
74482
HIP
5131
Tycho2
1202-02124-1
HD
6456
HR
310
GC
1309
BD
BD+20 156
Bayer
Psi 1 Piscium
Bayer name
Psi1 Psc
Flamsteed
74 Piscium
Flamsteed name
74 Psc
Distance
84.32
Distance ly
275.05
last precise pa
159.4
last precise sep
29.797