21555+4703 HJ 1705
21h 55m 31.43s +47° 03' 18.7" P.A. 82.00 sep 7.4 mag 10.50,12.60
| Coord 2000 |
21555+4703 |
|
Discov num |
HJ 1705 |
|
Comp |
|
|
Coord arcsec 2000 |
21 55 31.43 +47 03 18.7 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
80 |
|
Pa last |
81.5 |
|
P.A. Now (θ) |
81.5° |
|
| Sep first |
3.5 |
|
Sep last |
7.433 |
|
Sep. Now (ρ) |
7.433" |
|
| Mag pri |
10.50 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
2.1 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-014 |
|
| Notes |
R
(Red magnitudes) |
|
rPM=0.864
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3608-01537-1 |
|
Gaia DR2 |
1975979835729973248 |
|
