21155+4637 HJ 1629
21h 15m 29.87s +46° 37' 23.8" P.A. 71.00 sep 12.6 mag 9.74,10.33 Sp B8
Coord 2000 |
21155+4637 |
|
Discov num |
HJ 1629 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 29.87 +46 37 23.8 |
|
Date first |
1828 |
|
Date last |
2015 |
|
Obs |
15 |
|
Pa first |
78 |
|
Pa last |
70.9 |
|
P.A. Now (θ) |
70.9° |
|
Sep first |
11.0 |
|
Sep last |
12.606 |
|
Sep. Now (ρ) |
12.606" |
|
Mag pri |
9.74 |
|
Mag sec |
10.33 |
|
delta mag (ΔM) |
0.59 |
|
Spectral class |
B8 (blue-white) |
|
Pri motion ra |
-005 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
rPM=1
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3589-07762-1 |
|
Gaia DR2 |
2164226225113542400 |
|