20022+3154 SEI 802 (HD 331689)
20h 02m 13.53s +31° 53' 50.7" P.A. 312.00 sep 20.0 mag 10.11,11.90 Sp K2
Coord 2000 |
20022+3154 |
|
Discov num |
SEI 802 |
|
Comp |
|
|
Coord arcsec 2000 |
20 02 13.53 +31 53 50.7 |
|
Date first |
1893 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
316 |
|
Pa last |
312.1 |
|
P.A. Now (θ) |
312.1° |
|
Sep first |
20.1 |
|
Sep last |
20.021 |
|
Sep. Now (ρ) |
20.021" |
|
Mag pri |
10.11 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
1.79 |
|
Spectral class |
K2 (yellow-orange) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
+009 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
rPM=1.729
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 331689 |
|
Constellation |
Cygnus |
|
Tycho2 |
2674-01360-1 |
|
Gaia DR2 |
2031058049691957888 |
|
HD |
331689 |
|