17320+0249 BU 1538 DE
17h 31m 19.65s +02° 49' 18.4" P.A. 164.00 sep 2.4 mag 11.50,11.50
Coord 2000 |
17320+0249 |
|
Discov num |
BU 1538 |
|
Comp |
DE |
|
Coord arcsec 2000 |
17 31 19.65 +02 49 18.4 |
|
Date first |
1903 |
|
Date last |
2015 |
|
Obs |
2 |
|
Pa first |
166 |
|
Pa last |
164.1 |
|
P.A. Now (θ) |
164.1° |
|
Sep first |
2.6 |
|
Sep last |
2.425 |
|
Sep. Now (ρ) |
2.425" |
|
Mag pri |
11.50 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
-002 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
17320+0249 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
V2373 Oph |
122481 |
17 32 03 +02 49 25 |
STT 331 AB |
2016 |
83 |
353 |
1.0 |
7.74 |
8.82 |
1.08 |
|
|
Show |
|
122481 |
17 32 03 +02 49 25 |
STT 331 AC |
2015 |
11 |
240 |
50.5 |
7.74 |
10.92 |
3.18 |
|
|
Show |
|
|
17 31 20 +02 49 18 |
BU 1538 DE |
2015 |
2 |
164 |
2.4 |
11.50 |
11.50 |
0.00 |
|
<=== |
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
Gaia DR2 |
4376827143579989888 |
|