20471+1918 HO 141 AC
20h 47m 05.66s +19° 17' 47.5" P.A. 64.00 sep 22.6 mag 9.53,13.80 Sp A3
Coord 2000 |
20471+1918 |
|
Discov num |
HO 141 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 47 05.66 +19 17 47.5 |
|
Date first |
1906 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
68 |
|
Pa last |
64.2 |
|
P.A. Now (θ) |
64.2° |
|
Sep first |
23.8 |
|
Sep last |
22.601 |
|
Sep. Now (ρ) |
22.601" |
|
Mag pri |
9.53 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
4.27 |
|
Spectral class |
A3 (white) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.798
Nature of this double is uncertain.
20471+1918 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 352968 |
106486 |
20 47 06 +19 17 48 |
HO 141 AB |
2016 |
13 |
294 |
1.6 |
9.53 |
11.19 |
1.66 |
|
|
Show |
|
|
20 47 06 +19 17 48 |
HO 141 AC |
2015 |
4 |
64 |
22.6 |
9.53 |
13.80 |
4.27 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Tycho2 |
1642-01821-1 |
|
Gaia DR2 |
1814005894464297600 |
|
DM |
BD+18 4619 |
|