19453+3048 AG 237 (HD 186789)
19h 45m 20.11s +30° 48' 02.2" P.A. 140.00 sep 2.5 mag 8.82,9.61 Sp A5
Coord 2000 |
19453+3048 |
|
Discov num |
AG 237 |
|
Comp |
|
|
Coord arcsec 2000 |
19 45 20.11 +30 48 02.2 |
|
Date first |
1901 |
|
Date last |
2018 |
|
Obs |
30 |
|
Pa first |
145 |
|
Pa last |
139.5 |
|
P.A. Now (θ) |
139.5° |
|
Sep first |
1.9 |
|
Sep last |
2.491 |
|
Sep. Now (ρ) |
2.491" |
|
Mag pri |
8.82 |
|
Mag sec |
9.61 |
|
delta mag (ΔM) |
0.79 |
|
Spectral class |
A5 (white) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
Notes |
T
(Parallax indicates physical) |
|
rPM=0.312
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 186789 |
|
Constellation |
Cygnus |
|
Tycho2 |
2656-01152-1 |
|
Gaia DR2 |
2032206901926987648 |
|
HD |
186789 |
|