20287+3423 COU 1957
20h 28m 43.69s +34° 23' 17.1" P.A. 84.00 sep 1.2 mag 9.04,11.95 Sp K0 dist. 649.35 pc (2118.18 l.y.)
| Coord 2000 |
20287+3423 |
|
Discov num |
COU1957 |
|
Comp |
|
|
Coord arcsec 2000 |
20 28 43.69 +34 23 17.1 |
|
| Date first |
1980 |
|
Date last |
2010 |
|
Obs |
6 |
|
| Pa first |
89 |
|
Pa last |
83.8 |
|
P.A. Now (θ) |
83.8° |
|
| Sep first |
1.1 |
|
Sep last |
1.186 |
|
Sep. Now (ρ) |
1.186" |
|
| Mag pri |
9.04 |
|
Mag sec |
11.95 |
|
delta mag (ΔM) |
2.91 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
rPM=0.333
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
101012 |
|
Tycho2 |
2693-00691-1 |
|
Gaia DR2 |
2056144369531913728 |
|
| BD |
BD+33 3917 |
|
Distance |
649.35 |
|
Distance ly |
2118.18 |
|
