21507+5947 STI 1058
21h 50m 39.38s +59° 46' 44.2" P.A. 218.00 sep 3.0 mag 12.24,12.80
| Coord 2000 |
21507+5947 |
|
Discov num |
STI1058 |
|
Comp |
|
|
Coord arcsec 2000 |
21 50 39.38 +59 46 44.2 |
|
| Date first |
1905 |
|
Date last |
2010 |
|
Obs |
3 |
|
| Pa first |
221 |
|
Pa last |
217.8 |
|
P.A. Now (θ) |
217.8° |
|
| Sep first |
4.0 |
|
Sep last |
3.01 |
|
Sep. Now (ρ) |
3.01" |
|
| Mag pri |
12.24 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0.56 |
|
Spectral class |
|
|
| Pri motion ra |
+013 |
|
Sec motion ra |
-028 |
|
| Pri motion dec |
+022 |
|
Sec motion dec |
-020 |
|
| Notes |
|
|
rPM=1.706
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
3980-00755-1 |
|
Gaia DR2 |
2202780836543620224 |
|
