20159+4257 ROE 42
20h 15m 54.16s +42° 56' 34.4" P.A. 91.00 sep 6.1 mag 10.68,11.06
| Coord 2000 |
20159+4257 |
|
Discov num |
ROE 42 |
|
Comp |
|
|
Coord arcsec 2000 |
20 15 54.16 +42 56 34.4 |
|
| Date first |
1892 |
|
Date last |
2016 |
|
Obs |
20 |
|
| Pa first |
94 |
|
Pa last |
91.2 |
|
P.A. Now (θ) |
91.2° |
|
| Sep first |
6.0 |
|
Sep last |
6.051 |
|
Sep. Now (ρ) |
6.051" |
|
| Mag pri |
10.68 |
|
Mag sec |
11.06 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=0.106 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3159-00956-2 |
|
Gaia DR2 |
2080822942373675392 |
|
ADS |
13615 |
|
