21001+4911 HJ 1604
21h 00m 03.78s +49° 10' 05.1" P.A. 143.00 sep 30.5 mag 11.56,12.24
| Coord 2000 |
21001+4911 |
|
Discov num |
HJ 1604 |
|
Comp |
|
|
Coord arcsec 2000 |
21 00 03.78 +49 10 05.1 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
129 |
|
Pa last |
142.5 |
|
P.A. Now (θ) |
142.5° |
|
| Sep first |
18.0 |
|
Sep last |
30.477 |
|
Sep. Now (ρ) |
30.477" |
|
| Mag pri |
11.56 |
|
Mag sec |
12.24 |
|
delta mag (ΔM) |
0.68 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
+013 |
|
Sec motion dec |
-039 |
|
| Notes |
|
|
rPM=1.313
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3596-00305-1 |
|
Gaia DR2 |
2168595581229634816 |
|
