21155+3719 SEI 1478 AC
21h 15m 30.24s +37° 19' 19.7" P.A. 217.00 sep 9.7 mag 10.74,12.40
| Coord 2000 |
21155+3719 |
|
Discov num |
SEI1478 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 15 30.24 +37 19 19.7 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
222 |
|
Pa last |
216.9 |
|
P.A. Now (θ) |
216.9° |
|
| Sep first |
11.9 |
|
Sep last |
9.727 |
|
Sep. Now (ρ) |
9.727" |
|
| Mag pri |
10.74 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.66 |
|
Spectral class |
|
|
| Pri motion ra |
-022 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
rPM=1.021
This double is not physical.
21155+3719 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 15 30 +37 19 20 |
MLB 424 AB |
2015 |
14 |
63 |
5.1 |
10.74 |
12.20 |
1.46 |
|
|
| Show |
|
|
21 15 30 +37 19 20 |
SEI 1478 AC |
2015 |
7 |
217 |
9.7 |
10.74 |
12.40 |
1.66 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1868635271436183680 |
|
