21400+3919 ALI 978
21h 40m 01.71s +39° 18' 47.7" P.A. 14.00 sep 13.3 mag 11.46,13.59
| Coord 2000 |
21400+3919 |
|
Discov num |
ALI 978 |
|
Comp |
|
|
Coord arcsec 2000 |
21 40 01.71 +39 18 47.7 |
|
| Date first |
1928 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
10 |
|
Pa last |
13.6 |
|
P.A. Now (θ) |
13.6° |
|
| Sep first |
14.4 |
|
Sep last |
13.347 |
|
Sep. Now (ρ) |
13.347" |
|
| Mag pri |
11.46 |
|
Mag sec |
13.59 |
|
delta mag (ΔM) |
2.13 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=1.442
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1953911636634761984 |
|
