21166+3817 SMA 147
21h 16m 39.29s +38° 17' 51.4" P.A. 319.00 sep 13.2 mag 11.88,12.40
| Coord 2000 |
21166+3817 |
|
Discov num |
SMA 147 |
|
Comp |
|
|
Coord arcsec 2000 |
21 16 39.29 +38 17 51.4 |
|
| Date first |
1923 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
328 |
|
Pa last |
319.2 |
|
P.A. Now (θ) |
319.2° |
|
| Sep first |
12.5 |
|
Sep last |
13.196 |
|
Sep. Now (ρ) |
13.196" |
|
| Mag pri |
11.88 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
0.52 |
|
Spectral class |
|
|
| Pri motion ra |
+014 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=1.492
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3169-02035-1 |
|
Gaia DR2 |
1964821545068059008 |
|
