21081+5046 TDT 2775
21h 08m 07.82s +50° 46' 17.9" P.A. 183.00 sep 3.4 mag 11.46,12.19
| Coord 2000 |
21081+5046 |
|
Discov num |
TDT2775 |
|
Comp |
|
|
Coord arcsec 2000 |
21 08 07.82 +50 46 17.9 |
|
| Date first |
1991 |
|
Date last |
2019 |
|
Obs |
8 |
|
| Pa first |
179 |
|
Pa last |
182.9 |
|
P.A. Now (θ) |
182.9° |
|
| Sep first |
3.7 |
|
Sep last |
3.38 |
|
Sep. Now (ρ) |
3.38" |
|
| Mag pri |
11.46 |
|
Mag sec |
12.19 |
|
delta mag (ΔM) |
0.73 |
|
Spectral class |
|
|
| Pri motion ra |
-029 |
|
Sec motion ra |
-033 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-023 |
|
| Notes |
|
|
rPM=0.179 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3600-00017-1 |
|
Gaia DR2 |
2169115787665966592 |
|
