21291+4202 TDT 2987
21h 29m 05.45s +42° 01' 45.8" P.A. 37.00 sep 0.5 mag 10.70,11.00
Coord 2000 |
21291+4202 |
|
Discov num |
TDT2987 |
|
Comp |
|
|
Coord arcsec 2000 |
21 29 05.45 +42 01 45.8 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
37 |
|
Pa last |
37.2 |
|
P.A. Now (θ) |
37.2° |
|
Sep first |
0.5 |
|
Sep last |
0.46 |
|
Sep. Now (ρ) |
0.46" |
|
Mag pri |
10.70 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
+007 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
+003 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3190-01046-1 |
|
Gaia DR2 |
1967190614665920384 |
|