17246+1536 STF 2160 AB (HD 157741)
17h 24m 33.80s +15° 36' 21.7" P.A. 66.00 sep 3.9 mag 6.40,9.28 Sp B9V dist. 153.37 pc (500.29 l.y.)
Coord 2000 |
17246+1536 |
|
Discov num |
STF2160 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 24 33.80 +15 36 21.7 |
|
Date first |
1830 |
|
Date last |
2017 |
|
Obs |
49 |
|
Pa first |
62 |
|
Pa last |
66.2 |
|
P.A. Now (θ) |
66.2° |
|
Sep first |
4.1 |
|
Sep last |
3.9 |
|
Sep. Now (ρ) |
3.9" |
|
Mag pri |
6.40 |
|
Mag sec |
9.28 |
|
delta mag (ΔM) |
2.88 |
|
Spectral class |
B9V (blue-white) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
+011 |
|
Sec motion dec |
+011 |
|
Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 157741 |
|
Constellation |
Hercules |
|
SAO |
102806 |
|
HIP |
85187 |
|
Tycho2 |
1537-01528-1 |
|
HD |
157741 |
|
HR |
6482 |
|
GC |
23559 |
|
ADS |
10528 |
|
BD |
BD+15 3179 |
|
Distance |
153.37 |
|
Distance ly |
500.29 |
|