21020+3052 LDS 2937
21h 01m 59.49s +30° 51' 50.8" P.A. 140.00 sep 55.9 mag 9.32,14.80 Sp F5
| Coord 2000 |
21020+3052 |
|
Discov num |
LDS2937 |
|
Comp |
|
|
Coord arcsec 2000 |
21 01 59.49 +30 51 50.8 |
|
| Date first |
1953 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
132 |
|
Pa last |
139.7 |
|
P.A. Now (θ) |
139.7° |
|
| Sep first |
55.0 |
|
Sep last |
55.887 |
|
Sep. Now (ρ) |
55.887" |
|
| Mag pri |
9.32 |
|
Mag sec |
14.80 |
|
delta mag (ΔM) |
5.48 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-040 |
|
Sec motion ra |
-045 |
|
| Pri motion dec |
-060 |
|
Sec motion dec |
-075 |
|
| Notes |
|
|
rPM=0.181 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2701-02418-1 |
|
Gaia DR2 |
1864554777629250560 |
|
HD |
335455 |
|
