21081+1857 J 3125
21h 08m 17.13s +18° 57' 53.8" P.A. 259.00 sep 4.7 mag 12.50,13.60
Coord 2000 |
21081+1857 |
|
Discov num |
J 3125 |
|
Comp |
|
|
Coord arcsec 2000 |
21 08 17.13 +18 57 53.8 |
|
Date first |
1944 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
250 |
|
Pa last |
258.5 |
|
P.A. Now (θ) |
258.5° |
|
Sep first |
4.0 |
|
Sep last |
4.71 |
|
Sep. Now (ρ) |
4.71" |
|
Mag pri |
12.50 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
|
|
Pri motion ra |
+008 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
+005 |
|
Sec motion dec |
+014 |
|
Notes |
|
|
rPM=1.093
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Gaia DR2 |
1789200637264258816 |
|