21187+3348 HU 770
21h 18m 42.87s +33° 47' 44.6" P.A. 314.00 sep 0.9 mag 10.26,10.71 Sp F5
Coord 2000 |
21187+3348 |
|
Discov num |
HU 770 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 42.87 +33 47 44.6 |
|
Date first |
1904 |
|
Date last |
2016 |
|
Obs |
14 |
|
Pa first |
307 |
|
Pa last |
313.5 |
|
P.A. Now (θ) |
313.5° |
|
Sep first |
1.0 |
|
Sep last |
0.924 |
|
Sep. Now (ρ) |
0.924" |
|
Mag pri |
10.26 |
|
Mag sec |
10.71 |
|
delta mag (ΔM) |
0.45 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
+016 |
|
Sec motion ra |
+016 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2711-00004-1 |
|
Gaia DR2 |
1855220641154814464 |
|