21023+3931 SMY 6 AE
21h 02m 20.95s +39° 30' 32.5" P.A. 87.00 sep 95.7 mag 6.62,10.88 Sp K3II-III dist. 223.71 pc (729.74 l.y.)
Coord 2000 |
21023+3931 |
|
Discov num |
SMY 6 |
|
Comp |
AE |
|
Coord arcsec 2000 |
21 02 20.95 +39 30 32.5 |
|
Date first |
1862 |
|
Date last |
2018 |
|
Obs |
10 |
|
Pa first |
87 |
|
Pa last |
87.1 |
|
P.A. Now (θ) |
87.1° |
|
Sep first |
98.9 |
|
Sep last |
95.731 |
|
Sep. Now (ρ) |
95.731" |
|
Mag pri |
6.62 |
|
Mag sec |
10.88 |
|
delta mag (ΔM) |
4.26 |
|
Spectral class |
K3II-III (yellow-orange) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
-006 |
|
Notes |
N
(See Notes) |
|
rPM=1.282
This double is not physical.
21023+3931 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 200465 |
70818 |
21 02 21 +39 30 32 |
H 4 113 AB |
2018 |
37 |
299 |
18.9 |
6.62 |
9.49 |
2.87 |
|
|
Show |
|
70818 |
21 02 21 +39 30 32 |
H 4 113 AC |
2012 |
10 |
248 |
26.7 |
6.62 |
12.50 |
5.88 |
|
|
Show |
|
70818 |
21 02 21 +39 30 32 |
SMY 6 AD |
2015 |
8 |
141 |
57.0 |
6.62 |
12.61 |
5.99 |
|
|
Show |
|
70818 |
21 02 21 +39 30 32 |
SMY 6 AE |
2018 |
10 |
87 |
95.7 |
6.62 |
10.88 |
4.26 |
|
<=== |
Show |
|
70818 |
21 02 21 +39 30 32 |
WRD 4 AF |
2015 |
5 |
223 |
101.8 |
6.62 |
12.45 |
5.83 |
|
|
Show |
|
70818 |
21 02 21 +39 30 32 |
WRD 4 AG |
1875 |
1 |
230 |
95.0 |
6.62 |
13.50 |
6.88 |
|
|
Show |
|
70818 |
21 02 21 +39 30 32 |
FYM 114 AI |
2012 |
3 |
277 |
41.1 |
6.62 |
15.20 |
8.58 |
|
|
Show |
|
|
21 02 29 +39 30 38 |
WRD 4 ED |
2015 |
7 |
230 |
77.7 |
10.88 |
12.61 |
1.73 |
|
|
Show |
|
|
21 02 29 +39 30 38 |
WRD 4 EH |
2015 |
9 |
159 |
37.4 |
10.88 |
12.84 |
1.96 |
|
|
Ninefold system
9 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
70818 |
|
HIP |
103822 |
|
Tycho2 |
3172-01764-1 |
|
Gaia DR2 |
1872982701745880320 |
|
HD |
200465 |
|
BD |
BD+38 4321 |
|
Distance |
223.71 |
|
Distance ly |
729.74 |
|