21022+4235 ES 1577
21h 02m 11.84s +42° 33' 56.9" P.A. 41.00 sep 5.8 mag 10.86,11.40
Coord 2000 |
21022+4235 |
|
Discov num |
ES 1577 |
|
Comp |
|
|
Coord arcsec 2000 |
21 02 11.84 +42 33 56.9 |
|
Date first |
1892 |
|
Date last |
2018 |
|
Obs |
12 |
|
Pa first |
41 |
|
Pa last |
40.7 |
|
P.A. Now (θ) |
40.7° |
|
Sep first |
5.3 |
|
Sep last |
5.783 |
|
Sep. Now (ρ) |
5.783" |
|
Mag pri |
10.86 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.54 |
|
Spectral class |
|
|
Pri motion ra |
-004 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=1.281
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3176-01153-1 |
|
Gaia DR2 |
2161773657029350912 |
|