17387+1834 BUP 177 AB
17h 38m 41.82s +18° 33' 42.0" P.A. 266.00 sep 272.2 mag 9.64,11.35 Sp K5
Coord 2000 |
17387+1834 |
|
Discov num |
BUP 177 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 38 41.82 +18 33 42.0 |
|
Date first |
1895 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
265 |
|
Pa last |
266.1 |
|
P.A. Now (θ) |
266.1° |
|
Sep first |
267.3 |
|
Sep last |
272.219 |
|
Sep. Now (ρ) |
272.219" |
|
Mag pri |
9.64 |
|
Mag sec |
11.35 |
|
delta mag (ΔM) |
1.71 |
|
Spectral class |
K5 (yellow-orange) |
|
Pri motion ra |
+056 |
|
Sec motion ra |
+010 |
|
Pri motion dec |
-102 |
|
Sec motion dec |
-024 |
|
Notes |
N
(See Notes) |
|
rPM=0.778
Nature of this double is uncertain.
17387+1834 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 38 42 +18 33 42 |
BUP 177 AB |
2015 |
14 |
266 |
272.2 |
9.64 |
11.35 |
1.71 |
|
<=== |
Show |
|
|
17 38 42 +18 33 42 |
BUP 177 AC |
2005 |
13 |
269 |
374.3 |
9.64 |
9.79 |
0.15 |
|
|
Show |
|
|
17 38 23 +18 33 22 |
BUP 177 BC |
2015 |
18 |
270 |
104.9 |
11.35 |
9.79 |
1.56 |
|
|
Show |
|
|
17 38 16 +18 33 25 |
OSO 82 CD |
1994 |
2 |
202 |
9.9 |
9.77 |
18.05 |
8.28 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
1555-00337-1 |
|
Gaia DR2 |
4550759506450507648 |
|