21010+3156 STJ 61
21h 00m 57.90s +31° 55' 42.4" P.A. 136.00 sep 1.5 mag 9.90,12.60
| Coord 2000 |
21010+3156 |
|
Discov num |
STJ 61 |
|
Comp |
|
|
Coord arcsec 2000 |
21 00 57.90 +31 55 42.4 |
|
| Date first |
2015 |
|
Date last |
2018 |
|
Obs |
3 |
|
| Pa first |
136 |
|
Pa last |
135.7 |
|
P.A. Now (θ) |
135.7° |
|
| Sep first |
1.5 |
|
Sep last |
1.516 |
|
Sep. Now (ρ) |
1.516" |
|
| Mag pri |
9.90 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
2.7 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-010 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.093 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2705-02890-1 |
|
