20317+4143 HJ 1530
20h 31m 38.12s +41° 43' 51.4" P.A. 242.00 sep 16.2 mag 9.86,10.60
| Coord 2000 |
20317+4143 |
|
Discov num |
HJ 1530 |
|
Comp |
|
|
Coord arcsec 2000 |
20 31 38.12 +41 43 51.4 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
243 |
|
Pa last |
242.1 |
|
P.A. Now (θ) |
242.1° |
|
| Sep first |
12.0 |
|
Sep last |
16.17 |
|
Sep. Now (ρ) |
16.17" |
|
| Mag pri |
9.86 |
|
Mag sec |
10.60 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.587
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3161-00576-1 |
|
Gaia DR2 |
2067855302229202304 |
|
