21121+7700 LOC 570 AC
21h 12m 08.91s +76° 59' 47.3" P.A. 109.00 sep 24.6 mag 16.90,18.70
| Coord 2000 |
21121+7700 |
|
Discov num |
LOC 570 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 12 08.91 +76 59 47.3 |
|
| Date first |
1999 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
109 |
|
Pa last |
108.6 |
|
P.A. Now (θ) |
108.6° |
|
| Sep first |
24.2 |
|
Sep last |
24.55 |
|
Sep. Now (ρ) |
24.55" |
|
| Mag pri |
16.90 |
|
Mag sec |
18.70 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
|
|
| Pri motion ra |
+027 |
|
Sec motion ra |
+029 |
|
| Pri motion dec |
+045 |
|
Sec motion dec |
+043 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.054 (< 0.3, Physical double)
This double is physical.
21121+7700 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 12 09 +76 59 47 |
LOC 570 AB |
2015 |
1 |
109 |
24.0 |
16.90 |
17.90 |
1.00 |
|
|
| Show |
|
|
21 12 09 +76 59 47 |
LOC 570 AC |
2016 |
6 |
109 |
24.6 |
16.90 |
18.70 |
1.80 |
|
<=== |
| Show |
|
|
21 12 16 +76 59 39 |
LOC 570 BC |
2015 |
1 |
83 |
0.6 |
17.90 |
18.70 |
0.80 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
