20490+3451 SEI 1259
20h 48m 59.67s +34° 51' 35.7" P.A. 88.00 sep 15.5 mag 11.40,11.70
Coord 2000 |
20490+3451 |
|
Discov num |
SEI1259 |
|
Comp |
|
|
Coord arcsec 2000 |
20 48 59.67 +34 51 35.7 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
87 |
|
Pa last |
88.4 |
|
P.A. Now (θ) |
88.4° |
|
Sep first |
15.2 |
|
Sep last |
15.501 |
|
Sep. Now (ρ) |
15.501" |
|
Mag pri |
11.40 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
-006 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
rPM=0.95
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2695-00838-1 |
|
Gaia DR2 |
1869449803400715392 |
|