20189+4227 HJ 1503
20h 18m 55.48s +42° 27' 28.5" P.A. 73.00 sep 16.9 mag 9.82,10.90 Sp A5
Coord 2000 |
20189+4227 |
|
Discov num |
HJ 1503 |
|
Comp |
|
|
Coord arcsec 2000 |
20 18 55.48 +42 27 28.5 |
|
Date first |
1828 |
|
Date last |
2015 |
|
Obs |
16 |
|
Pa first |
82 |
|
Pa last |
72.9 |
|
P.A. Now (θ) |
72.9° |
|
Sep first |
10.0 |
|
Sep last |
16.857 |
|
Sep. Now (ρ) |
16.857" |
|
Mag pri |
9.82 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
1.08 |
|
Spectral class |
A5 (white) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
+013 |
|
Pri motion dec |
+000 |
|
Sec motion dec |
+009 |
|
Notes |
|
|
rPM=0.899
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3159-00457-1 |
|
Gaia DR2 |
2068774901969252480 |
|