21212+4449 ES 1334 AB
21h 21m 11.89s +44° 48' 45.9" P.A. 307.00 sep 5.3 mag 9.66,13.34 Sp A5 dist. 246.91 pc (805.42 l.y.)
| Coord 2000 |
21212+4449 |
|
Discov num |
ES 1334 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 21 11.89 +44 48 45.9 |
|
| Date first |
1914 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
304 |
|
Pa last |
307.1 |
|
P.A. Now (θ) |
307.1° |
|
| Sep first |
5.1 |
|
Sep last |
5.31 |
|
Sep. Now (ρ) |
5.31" |
|
| Mag pri |
9.66 |
|
Mag sec |
13.34 |
|
delta mag (ΔM) |
3.68 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+003 |
|
| Notes |
W
|
|
rPM=0.149 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
105421 |
|
Tycho2 |
3194-00167-1 |
|
BD |
BD+44 3784 |
|
| Distance |
246.91 |
|
Distance ly |
805.42 |
|
