21138+3812 SMA 144
21h 13m 49.48s +38° 12' 55.3" P.A. 326.00 sep 15.4 mag 11.00,11.50
| Coord 2000 |
21138+3812 |
|
Discov num |
SMA 144 |
|
Comp |
|
|
Coord arcsec 2000 |
21 13 49.48 +38 12 55.3 |
|
| Date first |
1923 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
320 |
|
Pa last |
325.9 |
|
P.A. Now (θ) |
325.9° |
|
| Sep first |
16.6 |
|
Sep last |
15.39 |
|
Sep. Now (ρ) |
15.39" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
+011 |
|
Sec motion dec |
+005 |
|
| Notes |
|
|
rPM=1.453
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1964984891262359296 |
|
