21023+3931 WRD 4 ED
21h 02m 29.25s +39° 30' 38.3" P.A. 230.00 sep 77.7 mag 10.88,12.61
Coord 2000 |
21023+3931 |
|
Discov num |
WRD 4 |
|
Comp |
ED |
|
Coord arcsec 2000 |
21 02 29.25 +39 30 38.3 |
|
Date first |
2000 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
230 |
|
Pa last |
230.1 |
|
P.A. Now (θ) |
230.1° |
|
Sep first |
77.6 |
|
Sep last |
77.728 |
|
Sep. Now (ρ) |
77.728" |
|
Mag pri |
10.88 |
|
Mag sec |
12.61 |
|
delta mag (ΔM) |
1.73 |
|
Spectral class |
|
|
Pri motion ra |
-003 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-010 |
|
Notes |
N
(See Notes) |
|
rPM=0.5
Nature of this double is uncertain.
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 |
|
Tycho2 |
3172-00265-1 |
|
Gaia DR2 |
1872982736105457408 |
|