15292+8027 STF 1972 AC
15h 29m 11.19s +80° 26' 55.0" P.A. 101.00 sep 188.1 mag 6.64,11.40 Sp G01.5V dist. 21.85 pc (71.27 l.y.)
| Coord 2000 |
15292+8027 |
|
Discov num |
STF1972 |
|
Comp |
AC |
|
Coord arcsec 2000 |
15 29 11.19 +80 26 55.0 |
|
| Date first |
1911 |
|
Date last |
2020 |
|
Obs |
9 |
|
| Pa first |
104 |
|
Pa last |
100.8 |
|
P.A. Now (θ) |
100.8° |
|
| Sep first |
131.4 |
|
Sep last |
188.11 |
|
Sep. Now (ρ) |
188.11" |
|
| Mag pri |
6.64 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
4.76 |
|
Spectral class |
G01.5V (yellow) |
|
| Pri motion ra |
-225 |
|
Sec motion ra |
|
|
| Pri motion dec |
+108 |
|
Sec motion dec |
|
|
| Notes |
N
U
V
(See Notes, Proper motion indicates non-physical, Proper motion indicates physical) |
|
This double is not physical.
15292+8027 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Pi1 UMi |
2556 |
15 29 11 +80 26 55 |
STF 1972 AB |
2018 |
107 |
79 |
31.6 |
6.64 |
7.30 |
0.66 |
|
|
| Show |
|
2556 |
15 29 11 +80 26 55 |
STF 1972 AC |
2020 |
9 |
101 |
188.1 |
6.64 |
11.40 |
4.76 |
|
<=== |
| Show |
|
2558 |
15 29 24 +80 27 01 |
LAF 54 BD |
2005 |
1 |
271 |
6.9 |
5.60 |
20.10 |
14.50 |
|
|
| Show |
|
2558 |
15 29 24 +80 27 01 |
LAF 54 BE |
2005 |
1 |
272 |
7.4 |
5.60 |
20.30 |
14.70 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ursa Minor |
|
SAO |
2556 |
|
HIP |
75809 |
|
Tycho2 |
4566-01950-1 |
|
| Gaia DR2 |
1720995598827435648 |
|
HD |
139777 |
|
HR |
5829 |
|
GC |
20929 |
|
| ADS |
9696 |
|
BD |
BD+80 480 |
|
Bayer |
Pi 1 Ursae Minoris |
|
Bayer name |
Pi1 UMi |
|
| Distance |
21.85 |
|
Distance ly |
71.27 |
|
Bayer greek |
π1 UMi |
|
