21448+4931 ARG 43 AB (HD 207020)
21h 44m 45.10s +49° 30' 46.4" P.A. 20.00 sep 29.2 mag 8.63,9.01 Sp A0 dist. 355.87 pc (1160.85 l.y.)
Coord 2000 |
21448+4931 |
|
Discov num |
ARG 43 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 44 45.10 +49 30 46.4 |
|
Date first |
1894 |
|
Date last |
2018 |
|
Obs |
21 |
|
Pa first |
16 |
|
Pa last |
19.7 |
|
P.A. Now (θ) |
19.7° |
|
Sep first |
27.2 |
|
Sep last |
29.202 |
|
Sep. Now (ρ) |
29.202" |
|
Mag pri |
8.63 |
|
Mag sec |
9.01 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
-014 |
|
Sec motion ra |
+010 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
+003 |
|
Notes |
|
|
rPM=1.637
This double is not physical.
21448+4931 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 207020 |
51250 |
21 44 45 +49 30 46 |
ARG 43 AB |
2018 |
21 |
20 |
29.2 |
8.63 |
9.01 |
0.38 |
|
<=== |
Show |
|
|
21 44 46 +49 31 14 |
ARG 43 BC |
2018 |
10 |
91 |
6.9 |
9.01 |
14.00 |
4.99 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 207020 |
|
Constellation |
Cygnus |
|
SAO |
51250 |
|
HIP |
107363 |
|
Tycho2 |
3599-00747-1 |
|
Gaia DR2 |
1978950132046594432 |
|
HD |
207020 |
|
BD |
BD+48 3491 |
|
Distance |
355.87 |
|
Distance ly |
1160.85 |
|