20079-3951 CRU 9011 AB (HD 190730)
20h 07m 53.74s -39° 50' 36.0" P.A. 185.00 sep 82.5 mag 7.60,9.50 Sp F5V
| Coord 2000 |
20079-3951 |
|
Discov num |
CRU9011 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 07 53.74 -39 50 36.0 |
|
| Date first |
1879 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
184 |
|
Pa last |
184.9 |
|
P.A. Now (θ) |
184.9° |
|
| Sep first |
87.5 |
|
Sep last |
82.458 |
|
Sep. Now (ρ) |
82.458" |
|
| Mag pri |
7.60 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-098 |
|
Sec motion dec |
-027 |
|
| Notes |
|
|
rPM=0.735
Nature of this double is uncertain.
20079-3951 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 190730 |
211830 |
20 07 54 -39 50 36 |
CRU 9011 AB |
2015 |
7 |
185 |
82.5 |
7.60 |
9.50 |
1.90 |
|
<=== |
| Show |
|
211830 |
20 07 54 -39 50 36 |
CRU 9011 AC |
2015 |
7 |
96 |
80.1 |
7.60 |
9.50 |
1.90 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 190730 |
|
Constellation |
Sagittarius |
|
SAO |
211830 |
|
Tycho2 |
7951-01107-1 |
|
| Gaia DR2 |
6687540473903265920 |
|
HD |
190730 |
|
GC |
27905 |
|
