21034+3025 SMA 123
21h 03m 24.93s +30° 25' 58.2" P.A. 145.00 sep 7.2 mag 11.50,12.00
| Coord 2000 |
21034+3025 |
|
Discov num |
SMA 123 |
|
Comp |
|
|
Coord arcsec 2000 |
21 03 24.93 +30 25 58.2 |
|
| Date first |
1922 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
145 |
|
Pa last |
144.5 |
|
P.A. Now (θ) |
144.5° |
|
| Sep first |
7.0 |
|
Sep last |
7.191 |
|
Sep. Now (ρ) |
7.191" |
|
| Mag pri |
11.50 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+015 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.745
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1852509077985923072 |
|
