21520+5401 BU 1507 (HD 235644)
21h 51m 58.01s +54° 00' 54.7" P.A. 67.00 sep 17.4 mag 9.61,12.40 Sp K0
| Coord 2000 |
21520+5401 |
|
Discov num |
BU 1507 |
|
Comp |
|
|
Coord arcsec 2000 |
21 51 58.01 +54 00 54.7 |
|
| Date first |
1899 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
68 |
|
Pa last |
66.7 |
|
P.A. Now (θ) |
66.7° |
|
| Sep first |
16.0 |
|
Sep last |
17.364 |
|
Sep. Now (ρ) |
17.364" |
|
| Mag pri |
9.61 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
2.79 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+008 |
|
| Notes |
|
|
rPM=0.897
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 235644 |
|
Constellation |
Cygnus |
|
SAO |
33814 |
|
Tycho2 |
3968-01973-1 |
|
| Gaia DR2 |
2173682093826246400 |
|
HD |
235644 |
|
