21149+3702 COU 1818
21h 14m 58.60s +37° 01' 39.5" P.A. 31.00 sep 1.4 mag 10.10,12.20
| Coord 2000 |
21149+3702 |
|
Discov num |
COU1818 |
|
Comp |
|
|
Coord arcsec 2000 |
21 14 58.60 +37 01 39.5 |
|
| Date first |
1979 |
|
Date last |
2009 |
|
Obs |
3 |
|
| Pa first |
30 |
|
Pa last |
30.6 |
|
P.A. Now (θ) |
30.6° |
|
| Sep first |
1.3 |
|
Sep last |
1.37 |
|
Sep. Now (ρ) |
1.37" |
|
| Mag pri |
10.10 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
2.1 |
|
Spectral class |
|
|
| Pri motion ra |
+008 |
|
Sec motion ra |
|
|
| Pri motion dec |
+005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2714-01940-1 |
|
Gaia DR2 |
1868613212484316160 |
|
