18547+2239 BU 646 AC
18h 54m 44.88s +22° 38' 42.3" P.A. 23.00 sep 36.9 mag 4.59,11.10 Sp G4III dist. 144.72 pc (472.08 l.y.)
Coord 2000 |
18547+2239 |
|
Discov num |
BU 646 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 54 44.88 +22 38 42.3 |
|
Date first |
1878 |
|
Date last |
2001 |
|
Obs |
6 |
|
Pa first |
25 |
|
Pa last |
23.4 |
|
P.A. Now (θ) |
23.4° |
|
Sep first |
40.7 |
|
Sep last |
36.889 |
|
Sep. Now (ρ) |
36.889" |
|
Mag pri |
4.59 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
6.51 |
|
Spectral class |
G4III (yellow) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
|
|
Pri motion dec |
+001 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18547+2239 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
86567 |
18 54 45 +22 38 42 |
MKT 9 Aa,Ab |
2004 |
42 |
271 |
0.0 |
4.80 |
6.80 |
2.00 |
Y |
|
Show |
113 Her |
86567 |
18 54 45 +22 38 42 |
BU 646 AB |
2001 |
9 |
37 |
34.4 |
4.59 |
11.10 |
6.51 |
|
|
Show |
|
86567 |
18 54 45 +22 38 42 |
BU 646 AC |
2001 |
6 |
23 |
36.9 |
4.59 |
11.10 |
6.51 |
|
<=== |
Show |
|
|
18 54 46 +22 39 10 |
BU 646 BC |
2015 |
12 |
316 |
9.1 |
11.10 |
11.10 |
0.00 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
SAO |
86567 |
|
HIP |
92818 |
|
Tycho2 |
2109-02837-1 |
|
Gaia DR2 |
4532952022299038976 |
|
HD |
175492 |
|
HR |
7133 |
|
GC |
25954 |
|
ADS |
11820 |
|
BD |
BD+22 3524 |
|
Flamsteed |
113 Herculis |
|
Flamsteed name |
113 Her |
|
FK5 |
3508 |
|
Distance |
144.72 |
|
Distance ly |
472.08 |
|
WDS 18547+2239 BU 646 AC : NOTES
discov_num |
notes |
refcode |
BU 646 |
113 Her. The G-type component is a long-period spectroscopic binary. |
|
MKT 9 |
Visual orbit by Hummel et al. (1995) based on astrometry from Mark III |
MkT1995 |
|
interferometer. Additional spectroscopic data yield component masses, |
|
|
luminosities, radii, effective temperatures, and distance. |
|
|
Hipparcos astrometric solution adopted some elements from the orbit of |
HIP1997d |
|
Hummel et al. (1995). |
MkT1995 |
|
Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and |
|
|
spectroscopic masses 1.71 +/- 3.27, 5.64, and 4.08 Msun, respectively. |
Mlk2012 |
|
Aa,Ab: Ren & Fu (2013) calculated an astrometric orbit, combining |
Ren2013 |
|
Hipparcos Intermediate Astrometric Data with spectroscopic elements by |
|
|
Luyten (1936). |
Luy1936 |
REFERENCES
refcode |
metd |
author |
reference |
HIP1997d |
orb - |
Hipparcos |
1997yCat.1239....0E |
HIP1997d |
|
Hipparcos Catalog, ESA SP-1200, 1997 |
|
HIP1997d |
|
(DMSA/O Orbital Solutions) |
|
Luy1936 |
- |
Luyten, W.J. |
1936ApJ....84...85L |
Luy1936 |
|
ApJ 84, 85, 1936 |
|
MkT1995 |
Km j |
Hummel, C.A., Armstrong, J.T., Buscher, D.F., Mozurkewich, D., Quirrenbach, A., & |
1995AJ....110..376H |
MkT1995 |
+orb |
Vivekanand, M. |
|
MkT1995 |
|
AJ 110, 376, 1995 |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
Ren2013 |
orb - |
Ren, S. & Fu, Y. |
2013AJ....145...81R |
Ren2013 |
|
AJ 145, 81, 2013 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
BU |
Burnham, S.W. (BU 1 - 81) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18547+2239 |
BU 646 |
AC |
1999 |
5 |
23 |
37.7 |
4.59 |
11.10 |
G4III |
N D |
185444.88+223842.3 |
18547+2239 |
BU 646 |
AC |
2001 |
6 |
23 |
36.9 |
4.59 |
11.10 |
G4III |
N D |
185444.88+223842.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18547+2239 BU 646 AC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18547+2239 BU 646 AC : MEASURES
No records found.
WDS 18547+2239 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
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WDS 18547+2239 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.