08554+7048 STF1280AC

 
 
08h 55m 24.82s +70 47' 39.2" P.A. 88 sep 398.4 mag 8.81,12.40 Sp M1V
 
 
Coord 2000
08554+7048
Discov num
STF1280
Comp
AC
Coord arcsec 2000
08 55 24.82 +70 47 39.2
Date first
1897
Date last
2015
Obs
5
Pa first
97
Pa last
88
P.A. Now (θ)
88°
Sep first
240.8
Sep last
398.4
Sep. Now (ρ)
398.4"
Mag pri
8.81
Mag sec
12.40
delta mag (ΔM)
3.59
Spectral class
M1V (red)
Pri motion ra
-133
Sec motion ra
-001
Pri motion dec
-036
Sec motion dec
-002
Notes
N S P (See Notes, Parallax indidates non-physical, 100-year proper motion)
rPM=0.989
This double is not physical.
 
 
08554+7048 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 08554+7048 STF1280 AB 1823 2018 254 358 3.4 8.81 9.10 0.29 Y
Show 08554+7048 STF1280 AC 1897 2015 5 88 398.4 8.81 12.40 3.59 <===
Show 08554+7048 STF1280 BC 1879 2015 5 88 398.5 9.10 12.40 3.30
Show 08554+7048 NSN 589 Aa,Ab 2015 2015 1 355 3.1 9.30 9.49 0.19
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87.7
Precise sep
398.4
Constellation
Ursa Major
SAO
6683
Tycho2
4378-02162-1
HD
75632
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08554+7048 STF1280 AC 1991 2 89 366.5 8.81 11.02 M1 N P 085524.82+704739.2
08554+7048 STF1280 AC 2000 3 89 377.9 8.81 11.02 M1 N P 085524.82+704739.2
08554+7048 STF1280 AC 2015 5 88 398.4 8.81 11.02 M1 N P 085524.82+704739.2

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