18112+3906 HDS 2565 (HD 166956)
18h 11m 13.01s +39° 06' 02.0" P.A. 340.00 sep 0.7 mag 7.09,10.38 Sp A0 dist. 196.85 pc (642.12 l.y.)
Coord 2000 |
18112+3906 |
|
Discov num |
HDS2565 |
|
Comp |
|
|
Coord arcsec 2000 |
18 11 13.01 +39 06 02.0 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
5 |
|
Pa first |
344 |
|
Pa last |
340.1 |
|
P.A. Now (θ) |
340.1° |
|
Sep first |
0.6 |
|
Sep last |
0.67 |
|
Sep. Now (ρ) |
0.67" |
|
Mag pri |
7.09 |
|
Mag sec |
10.38 |
|
delta mag (ΔM) |
3.29 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
|
|
Pri motion dec |
+001 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 166956 |
|
Constellation |
Hercules |
|
SAO |
66730 |
|
HIP |
89110 |
|
Tycho2 |
3103-01476-1 |
|
Gaia DR2 |
2112214716596488960 |
|
HD |
166956 |
|
GC |
24822 |
|
BD |
BD+39 3343 |
|
Distance |
196.85 |
|
Distance ly |
642.12 |
|