21020+3914 LV 9
21h 02m 02.12s +39° 14' 05.2" P.A. 195.00 sep 2.3 mag 10.47,11.65
| Coord 2000 |
21020+3914 |
|
Discov num |
LV 9 |
|
Comp |
|
|
Coord arcsec 2000 |
21 02 02.12 +39 14 05.2 |
|
| Date first |
1896 |
|
Date last |
2017 |
|
Obs |
18 |
|
| Pa first |
193 |
|
Pa last |
194.9 |
|
P.A. Now (θ) |
194.9° |
|
| Sep first |
2.4 |
|
Sep last |
2.283 |
|
Sep. Now (ρ) |
2.283" |
|
| Mag pri |
10.47 |
|
Mag sec |
11.65 |
|
delta mag (ΔM) |
1.18 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-013 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.099 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3168-01332-1 |
|
Gaia DR2 |
1872221947086345472 |
|
