17237+3709 STF 2161 AB (Rho Her)
17h 23m 40.97s +37° 08' 45.3" P.A. 321.00 sep 4.0 mag 4.50,5.40 Sp B9.5III dist. 120.63 pc (393.5 l.y.)
Coord 2000 |
17237+3709 |
|
Discov num |
STF2161 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 23 40.97 +37 08 45.3 |
|
Date first |
1821 |
|
Date last |
2021 |
|
Obs |
417 |
|
Pa first |
308 |
|
Pa last |
320.9 |
|
P.A. Now (θ) |
320.9° |
|
Sep first |
4.5 |
|
Sep last |
4.01 |
|
Sep. Now (ρ) |
4.01" |
|
Mag pri |
4.50 |
|
Mag sec |
5.40 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
B9.5III (blue-white) |
|
Pri motion ra |
-041 |
|
Sec motion ra |
-039 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
+009 |
|
Notes |
N
(See Notes) |
|
rPM=0.201 (< 0.3, Physical double)
This double is physical.
17237+3709 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
66000 |
17 23 41 +37 08 45 |
MCA 48 Aa,Ab |
2018 |
10 |
23 |
0.3 |
4.90 |
5.90 |
1.00 |
|
|
Show |
Rho Her |
66000 |
17 23 41 +37 08 45 |
STF 2161 AB |
2021 |
417 |
321 |
4.0 |
4.50 |
5.40 |
0.90 |
|
<=== |
Show |
|
66000 |
17 23 41 +37 08 45 |
STF 2161 AC |
2020 |
6 |
221 |
118.4 |
4.50 |
13.53 |
9.03 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
Rho Her |
|
Constellation |
Hercules |
|
SAO |
66000 |
|
HIP |
85112 |
|
Tycho2 |
2604-01776-1 |
|
Gaia DR2 |
1337345927125084416 |
|
HD |
157778 |
|
HR |
6484 |
|
GC |
23543 |
|
ADS |
10526 |
|
BD |
BD+37 2878 |
|
Bayer |
Rho Herculis |
|
Bayer name |
Rho Her |
|
Flamsteed |
75 Herculis |
|
Flamsteed name |
75 Her |
|
Distance |
120.63 |
|
Distance ly |
393.5 |
|
Bayer greek |
ρ Her |
|