21345+4559 HJ 1660
21h 34m 29.20s +45° 58' 17.9" P.A. 261.00 sep 6.5 mag 11.60,12.20
| Coord 2000 |
21345+4559 |
|
Discov num |
HJ 1660 |
|
Comp |
|
|
Coord arcsec 2000 |
21 34 29.20 +45 58 17.9 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
218 |
|
Pa last |
260.5 |
|
P.A. Now (θ) |
260.5° |
|
| Sep first |
3.0 |
|
Sep last |
6.488 |
|
Sep. Now (ρ) |
6.488" |
|
| Mag pri |
11.60 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
+008 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-030 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.856
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1977176963390625920 |
|
