17136-0917 BU 1247 AB (HD 155718)
17h 13m 37.36s -09° 17' 01.9" P.A. 342.00 sep 1.5 mag 7.60,10.44 Sp A2V dist. 96.25 pc (313.97 l.y.)
Coord 2000 |
17136-0917 |
|
Discov num |
BU 1247 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 13 37.36 -09 17 01.9 |
|
Date first |
1891 |
|
Date last |
2013 |
|
Obs |
14 |
|
Pa first |
344 |
|
Pa last |
341.8 |
|
P.A. Now (θ) |
341.8° |
|
Sep first |
1.5 |
|
Sep last |
1.519 |
|
Sep. Now (ρ) |
1.519" |
|
Mag pri |
7.60 |
|
Mag sec |
10.44 |
|
delta mag (ΔM) |
2.84 |
|
Spectral class |
A2V (white) |
|
Pri motion ra |
-007 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
-017 |
|
Sec motion dec |
-015 |
|
Notes |
W
|
|
rPM=0.154 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 155718 |
|
Constellation |
Ophiuchus |
|
SAO |
141562 |
|
HIP |
84271 |
|
Tycho2 |
5644-00333-1 |
|
HD |
155718 |
|
BD |
BD-09 4519 |
|
Distance |
96.25 |
|
Distance ly |
313.97 |
|