18296+2603 HDS 2619 AB (HD 170648)
18h 29m 35.47s +26° 03' 20.4" P.A. 110.00 sep 0.6 mag 8.04,12.24 Sp A2 dist. 164.47 pc (536.5 l.y.)
Coord 2000 |
18296+2603 |
|
Discov num |
HDS2619 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 29 35.47 +26 03 20.4 |
|
Date first |
1991 |
|
Date last |
2012 |
|
Obs |
3 |
|
Pa first |
199 |
|
Pa last |
109.8 |
|
P.A. Now (θ) |
109.8° |
|
Sep first |
0.8 |
|
Sep last |
0.62 |
|
Sep. Now (ρ) |
0.62" |
|
Mag pri |
8.04 |
|
Mag sec |
12.24 |
|
delta mag (ΔM) |
4.2 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
|
|
Pri motion dec |
+008 |
|
Sec motion dec |
|
|
Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 170648 |
|
Constellation |
Hercules |
|
SAO |
86119 |
|
HIP |
90635 |
|
Tycho2 |
2110-00825-1 |
|
HD |
170648 |
|
BD |
BD+25 3541 |
|
Distance |
164.47 |
|
Distance ly |
536.5 |
|