17531+7423 LDS 1880 AB
17h 53m 08.99s +74° 24' 17.6" P.A. 55.00 sep 2.6 mag 18.00,18.80
| Coord 2000 |
17531+7423 |
|
Discov num |
LDS1880 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 53 08.99 +74 24 17.6 |
|
| Date first |
1963 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
70 |
|
Pa last |
55.3 |
|
P.A. Now (θ) |
55.3° |
|
| Sep first |
2.1 |
|
Sep last |
2.629 |
|
Sep. Now (ρ) |
2.629" |
|
| Mag pri |
18.00 |
|
Mag sec |
18.80 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
-019 |
|
Sec motion ra |
-018 |
|
| Pri motion dec |
+180 |
|
Sec motion dec |
+180 |
|
| Notes |
V
W
(Proper motion indicates physical, ) |
|
rPM=0.006 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
