21279+3439 TDT 2980
21h 27m 56.96s +34° 39' 10.8" P.A. 235.00 sep 2.3 mag 12.12,12.63
Coord 2000 |
21279+3439 |
|
Discov num |
TDT2980 |
|
Comp |
|
|
Coord arcsec 2000 |
21 27 56.96 +34 39 10.8 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
2 |
|
Pa first |
121 |
|
Pa last |
234.5 |
|
P.A. Now (θ) |
234.5° |
|
Sep first |
2.0 |
|
Sep last |
2.288 |
|
Sep. Now (ρ) |
2.288" |
|
Mag pri |
12.12 |
|
Mag sec |
12.63 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
|
|
Pri motion ra |
+017 |
|
Sec motion ra |
+017 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
Notes |
X
(Dubious double) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2712-01858-1 |
|
Gaia DR2 |
1951212030651258496 |
|