21257+6325 STI 1028 AB
21h 25m 41.14s +63° 25' 20.7" P.A. 343.00 sep 6.7 mag 12.30,13.20
| Coord 2000 |
21257+6325 |
|
Discov num |
STI1028 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 25 41.14 +63 25 20.7 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
343 |
|
Pa last |
343.1 |
|
P.A. Now (θ) |
343.1° |
|
| Sep first |
6.0 |
|
Sep last |
6.743 |
|
Sep. Now (ρ) |
6.743" |
|
| Mag pri |
12.30 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+007 |
|
| Notes |
|
|
rPM=1.517
This double is not physical.
21257+6325 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 25 41 +63 25 21 |
STI 1028 AB |
2015 |
8 |
343 |
6.7 |
12.30 |
13.20 |
0.90 |
|
<=== |
| Show |
|
|
21 25 41 +63 25 27 |
MRI 38 BC |
2015 |
7 |
53 |
8.5 |
12.00 |
14.60 |
2.60 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Gaia DR2 |
2217236017131699840 |
|
