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Doubles in session


Current system
17146+1423
AGC 16 AC


Nearby doubles
33' : 17166+1440
BU 1200

53' : 17117+1353
DAM 977AB

53' : 17155+1332
GWP2699

56' : 17154+1329
RAO 604

57' : 17107+1427
BPM 676

62' : 17118+1338
KPP2297AB

74' : 17102+1349
DAM 941

77' : 17174+1319
HDS2444

82' : 17164+1303
LDS 990

89' : 17091+1503
LDS4723

95' : 17139+1557
STF2137

95' : 17088+1504
DAM 700

95' : 17099+1318
DAM 929AB

96' : 17134+1249
DAM 990AB

97' : 17093+1326
DAM 912

98' : 17081+1447
TDT 224

98' : 17099+1532
DAM 928AB

100' : 17097+1532
DAM 923

106' : 17150+1238
HDS2439

107' : 17207+1524
J 452

108' : 17182+1559
HEI 246

110' : 17113+1246
JNN 152

110' : 17126+1609
LDS4725

110' : 17140+1234
TDT 275

114' : 17222+1358
BPM 679

115' : 17080+1322
MMA 39



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Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17146+1423 AGC 16 AC

 
 
17h 14m 38.86s +14° 23' 24.9" P.A. 296.00 sep 16.6 mag 3.48,15.50 Sp M5Ib-II dist. 110.25 pc (359.64 l.y.)
 
 
Coord 2000 17146+1423 Discov num AGC  16 Comp AC Coord arcsec 2000 17 14 38.86 +14 23 24.9
Date first 1888 Date last 2020 Obs 10
Pa first 336 Pa last 295.7 P.A. Now (θ) 295.7°
Sep first 23.5 Sep last 16.56 Sep. Now (ρ) 16.56"
Mag pri 3.48 Mag sec 15.50 delta mag (ΔM) 12.02 Spectral class M5Ib-II (red)
Pri motion ra -017 Sec motion ra
Pri motion dec +047 Sec motion dec
Notes N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
17146+1423 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 102680 17 14 39 +14 23 25 CHR 139 Aa,Ab 1991 3 231 0.2 3.48
Show Rasalgethi 102680 17 14 39 +14 23 25 STF 2140 AB 2023 513 102 4.8 3.48 5.40 1.92 Y
Show 102680 17 14 39 +14 23 25 AGC 16 AC 2020 10 296 16.6 3.48 15.50 12.02 <===
Show 102680 17 14 39 +14 23 25 STF 2140 AD 2023 15 39 78.1 3.48 11.10 7.62
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Rasalgethi Var name Alp Her Constellation Hercules SAO 102680
HIP 84345 Tycho2 0990-02133-1 Gaia DR2 4541877995116193408 HD 156014
HR 6406 GC 23277 ADS 10418 BD BD+14 3207
Bayer Alpha 1 Herculis Bayer name Alp1 Her Flamsteed 64 Herculis Flamsteed name 64 Her
Distance 110.25 Distance ly 359.64 Bayer greek α1 Her
 
 
WDS 17146+1423 AGC 16 AC : NOTES
 
 
discov_num notes refcode
STF2140 alp Her = Rasalgethi. Star A is an irregular variable, and B is an
SB1, P = 51.58 d. Spectrum composite; G5III+F2V. Radial velocity
measures by Smith (1988 private comm.) for alp Her A since 1984
have shown an increase in velocity by about 11 km/sec during a
three-year interval, then an apparent turnover in velocity during
the fourth year. This suggests a component with a period of the
order of a decade; it now appears that this system may have at least
5 physical components. Measure of 1927.43 made by triangulation of
multiple measures.
The 1779.66 measure by Herschel was corrected. H__1804
Mk III Limb-darkened diameter 36.026 +/- 0.439 mas. MkT2003
CHR 139 Aa,Ab: A premature orbit has been computed.
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
Radial velocity measures by Smith (1988 private communication) for alp
Her A since 1984 have shown an increase in velocity by about 11 km/sec
during a three-year interval, then an apparent turnover in velocity
during the fourth year. This suggests a component with a period of
the order of a decade; it now appears that this system may have at
least five physical components.
Aa,Ab: Resolved 3 times 1986-1991 at separations 0.16-0.19"
separations, but unresolved by Balega at the 6-m in 1997 and 10 times Bag1999a
1985-1997 at 4m and 2.5m telescopes Hrt2009
STF2140 AB: H 2 2. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Bag1999a S j Balega, I.I., Balega, Y.Y., Maksimov, A.F., Pluzhnik, E.A., Shkhagosheva, Z.U., & 1999A&AS..140..287B
Bag1999a Vasyuk, V.A.
Bag1999a A&AS 140, 287, 1999
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
H__1804 Mb - Herschel, W. 1804RSPT...94..353H
H__1804 Phil. Trans. R. Soc. 94, 353, 1804
Hrt2009 Su j Hartkopf, W.I. & Mason, B.D. 2009AJ....138..813H
Hrt2009 +orb AJ 138, 813, 2009
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
MkT2003 Km - Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., 2003AJ....126.2502M
MkT2003 +not Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R.
MkT2003 AJ 126, 2502, 2003
 
 
DISCOVERER
 
 
discov author
AGC Clark, A.G.
BAG Balega, I.I., Balega, Y.Y., Belkin, I.N., Maximov, A.F., Orlov, V.G., Pluzhnik,
BAG E.A., Shkhagosheva, Z.U., & Vasyuk, V.A.
BAG Balega, I.I., Balega, Yu.Yu., Falcke, H., Osterbart, R., Reinheimer, T., Scholler,
BAG M., & Weigelt, G.
BAG Balega, I.I., Balega, Yu.Yu., Hofmann, K.-H., Maksimov, A.F., Pluzhnik, E.A.,
BAG Schertl, D., Shkhagosheva, Z.U., & Weigelt, G.
BAG Balega, I.I., Balega, Y.Y., Maksimov, A.F., Pluzhnik, E.A., Schertl, D.,
BAG Shkhagosheva, Z.U., & Weigelt, G.
BAG Balega, I.I., Balega, Y.Y., Hofmann, K.-H., Pluzhnik, E.A., Schertl, D.,
BAG Shkhagosheva, Z.U., & Weigelt, G.
BAG Balega, I.I., Balega, Y.Y., Hoffmann, K.-H., Malogolovets, E., Schertl, D.,
BAG Shkhagosheva, Z.U., & Weigelt, G.
BAG Balega, I.I., Balega, Yu.Yu., Maksimov, A.F., Malogolovets, E.V., Pluzhnik, E.A.,
BAG & Shkhagosheva, Z.
BAG Balega, Y.Y., Beuzit, J.-L., Delfosse, X., Forveille, T., Perrier, C., Mayor, M.,
BAG Segransan, D., Udry, S., et al.
BAG Balega, I.I., Balega, Yu.Yu., Maksimov, A.F., Malogolovets, E.V., Rastegaev, D.A.,
BAG Shkhagosheva, Z.U., & Weigelt, G.
BAG Balega, Yu.Yu., Dyachenko, V.V., Maksimov, A.F., & Malogolovets, E.V.,
BAG Rastegaev, D.A., & Romanyuk, I.I.
BAG Balega, Yu.Yu., Dyachenko, V.V., Maksimov, A.F., & Malogolovets, E.V.,
BAG Rastegaev, D.A., & Romanyuk, I.I.
BAG Balega, I.I., Balega, Yu.Yu., Gasanova, L.T., Dyachenko, V.V., Maksimov, A.F.,
BAG Malogolovets, E.V., Rastegaev, D.A., & Shkhagosheva, Z.U.
HRT Hartkopf, W.I., McAlister, H.A., Mason, B.D., ten Brummelaar, T.A., Roberts, J.C.,
HRT Jr., Turner, N.H., & Wilson, J.W.
HRT Hartkopf, W.I., W.I., Mason, B.D., Gies, D.R., ten Brummelaar, T.,
HRT McAlister, H.A., Moffat, A.F.J., Shara, M.M., & Wallace, D.J.
HRT Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E.,
HRT Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al.
HRT Hartkopf, W.I., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., Turner, N.H.,
HRT ten Brummelaar, T.A., Prieto, C.M., Ling, J.F., & Franz, O.G.
HRT Mason, B.D., Henry, T.J., Soderblom. D.R., Hartkopf, W.I., Holdenreid, E.R.,
HRT Rafferty, T.J., & Urban, S.E.
MKT Shao, M., Colavita, M.M., Hines, B.E., Staelin, D.H., Hutter, D.J., Johnston, K.J.,
MKT Mozurkewich, D., Simon, R.S., Hershey, J.L., Hughes, J.A. & Kaplan, G.H.
MKT Hutter, D.J., Johnston, K.J., Mozurkewich, D., Simon, R.S., Colavita, M.M., Pan,
MKT X.P., Shao, M., Hines, B.E., Staelin, D.H., Hershey, J.L., Hughes, J.A. & Kaplan,
MKT G.H.
MKT Mozurkewich, D., Johnston, K.J., Simon, R.S., Bowers, P.F., Gaume, R., Hutter,
MKT D.J., Colavita, M.M., Shao, M. & Pan, X.P.
MKT Pan, X.P., Shao, M., Colavita, M.M., Armstrong, J.T., Mozurkewich, D.,
MKT Vivekanand, M., Denison, C.S., Simon, R.S., et al.
MKT Armstrong, J.T., Mozurkewich, D., Vivekanand, M., Simon, R.S., Denison, C.S.,
MKT Johnston, K.J., Pan, X.-P., Shao, M., et al.
MKT Armstrong, J.T., Hummel, C.A., Quirrenbach, A., Buscher, D.F., Mozurkewich, D.,
MKT Vivekanand, M., Simon, R.S., Denison, C.S., et al.
MKT Hummel, C.A., Armstrong, J.T., Quirrenbach, A., Buscher, D.F., Mozurkewich, D.,
MKT Simon, R.S., & Johnston, K.J.
MKT Hummel, C.A., Armstrong, J.T., Quirrenbach, A., Buscher, D.F., Mozurkewich, D.,
MKT Elias, N.M., & Wilson, R.E.
MKT Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A.,
MKT Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R.
MKT Armstrong, J.T., Mozurkewich, D., Hajian, A.R., Johnston, K.J., Thessin, R.N.,
MKT Peterson, D.M., Hummel, C.A., & Gilbreath, G.C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
17146+1423 AGC 16 AC 1995 8 297 19.9 3.48 15.50 M5Ib-II +14 3207 171438.86+142324.9
17146+1423 AGC 16 AC 2020 10 296 16.6 3.48 15.50 M5Ib-II +14 3207 NU 171438.86+142324.9

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 17146+1423 AGC 16 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17146+1423 AGC 16 AC : MEASURES
 
 
No records found.

 
 
WDS 17146+1423 : VIRTUAL EYEPIECE
 
 

17146+1423 STF2140A mag 3.48 Sp M5Ib 17146+1423 CHR 139Ab sep 0.2 P.A. 230.70 Sp II 17146+1423 STF2140B sep 4.8 P.A. 102.40 mag 5.4 Sp II 17146+1423 AGC 16C sep 16.6 P.A. 295.70 mag 15.5 Sp II 17146+1423 STF2140D sep 78.1 P.A. 38.60 mag 11.1 Sp II virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17146+1423 : ALADIN DSS IMAGE @ 17h 14m 38.86s +14° 23' 24.9"
 
 
 
 
WDS 17146+1423 AGC 16 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17146+1423 AGC 16AC (Rasalgethi) distance=0' 17166+1440 BU 1200 distance=33' 17117+1353 DAM 977AB distance=53' 17117+1353 DAM 977BC distance=53' 17155+1332 GWP2699 distance=53' 17154+1329 RAO 604 distance=56' 17107+1427 BPM 676 distance=57' 17118+1338 KPP2297AB distance=62' 17102+1349 DAM 941 distance=74' 17174+1319 HDS2444 distance=77' 17164+1303 LDS 990 distance=82' 17091+1503 LDS4723 distance=89' 17139+1557 STF2137 distance=95' 17088+1504 DAM 700 distance=95' 17099+1318 DAM 929AB distance=95' 17099+1318 DAM 929AC distance=95' 17134+1249 DAM 990AB distance=96' 17134+1249 DAM 990BC distance=97' 17093+1326 DAM 912 distance=97' 17081+1447 TDT 224 distance=98' 17099+1532 DAM 928AB distance=98' 17099+1532 GKM9368Aa,Ab distance=98' 17097+1532 DAM 923 distance=100' 17150+1238 HDS2439 distance=106' 17207+1524 J 452 distance=107' 17182+1559 HEI 246 distance=108' 17113+1246 JNN 152 distance=110' 17126+1609 LDS4725 distance=110' 17140+1234 TDT 275 distance=110' 17222+1358 BPM 679 distance=114' 17080+1322 MMA 39 distance=115' 17224+1447 TDT 322 distance=115' 17213+1521 J 3252 distance=115' 17225+1441 UC 228 distance=115' 17140+1621 HO 557 distance=119' 17105+1606 GWP2696 distance=119' 17231+1454 BU 1284 distance=127' 17194+1611 LDS 992 distance=129' 17110+1622 HEI 168 distance=129' 17099+1229 GWP2692 distance=134' 17051+1353 HDS2417 distance=143' 17236+1324 BU 46 distance=144' 17250+1350 HU 1281AB distance=154' 17219+1230 HDS2451 distance=156' 17252+1355 BPM 680 distance=156' 17105+1650 HEI 166 distance=157' 17107+1651 HEI 167 distance=158' 17044+1330 BPM 674 distance=160' 17160+1702 TDT 294 distance=160' 17246+1536 STF2160AB distance=162' 17249+1320 STF2159 distance=163' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show Rasalgethi 17146+1423 CHR 139 Aa,Ab 231 0.2 0
Show Rasalgethi 17146+1423 STF2140 AB 102 4.8 0
Show Rasalgethi 17146+1423 AGC 16 AC 296 16.6 0
Show Rasalgethi 17146+1423 STF2140 AD 39 78.1 0
Show 17166+1440 BU 1200 338 0.6 33
Show 17117+1353 DAM 977 AB 283 8.3 53
Show 17117+1353 DAM 977 BC 45 2.5 53
Show 17155+1332 GWP2699 93 229.2 53
Show 17154+1329 RAO 604 225 0.8 56
Show 17107+1427 BPM 676 242 77.0 57
Show 17118+1338 KPP2297 AB 59 19.3 62
Show 17102+1349 DAM 941 266 2.6 74
Show 17174+1319 HDS2444 284 0.2 77
Show 17164+1303 LDS 990 359 4.4 82
Show 17091+1503 LDS4723 30 1.5 89
Show 17139+1557 STF2137 144 4.1 95
Show 17088+1504 DAM 700 55 11.8 95
Show 17099+1318 DAM 929 AB 336 2.1 95
Show 17099+1318 DAM 929 AC 305 8.0 95
Show 17134+1249 DAM 990 AB 136 25.6 96
Show 17134+1249 DAM 990 BC 32 1.7 97
Show 17093+1326 DAM 912 58 5.2 97
Show 17081+1447 TDT 224 50 1.5 98
Show 17099+1532 DAM 928 AB 134 4.0 98
Show 17099+1532 GKM9368 Aa,Ab 51 0.1 98
Show 17097+1532 DAM 923 47 7.7 100
Show 17150+1238 HDS2439 169 0.5 106
Show 17207+1524 J 452 300 2.8 107
Show 17182+1559 HEI 246 45 1.2 108
Show 17113+1246 JNN 152 162 34.5 110
Show 17126+1609 LDS4725 202 7.5 110
Show 17140+1234 TDT 275 167 2.2 110
Show 17222+1358 BPM 679 20 28.4 114
Show 17080+1322 MMA 39 272 15.4 115
Show 17224+1447 TDT 322 188 1.4 115
Show 17213+1521 J 3252 356 7.7 115
Show 17225+1441 UC 228 225 77.4 115
Show 17140+1621 HO 557 323 4.5 119
Show 17105+1606 GWP2696 16 74.1 119
Show 17231+1454 BU 1284 168 1.9 127
Show 17194+1611 LDS 992 267 6.2 129
Show 17110+1622 HEI 168 65 0.8 129
Show 17099+1229 GWP2692 251 5.6 134
Show 17051+1353 HDS2417 206 0.1 143
Show 17236+1324 BU 46 203 2.2 144
Show 17250+1350 HU 1281 AB 283 1.9 154
Show 17219+1230 HDS2451 81 0.4 156
Show 17252+1355 BPM 680 45 19.1 156
Show 17105+1650 HEI 166 142 3.4 157
Show 17107+1651 HEI 167 99 0.4 158
Show 17044+1330 BPM 674 144 115.5 160

 
 
WDS 17146+1423 : COMPONENTS
 
 
  A Ab B C
Ab pa=230.7°
sep=0.19"
 
B pa=102.4°
sep=4.79"
pa=100.6°
sep=4.91"
 
C pa=295.7°
sep=16.56"
pa=296.3°
sep=16.48"
pa=292.7°
sep=21.25"
 
D pa=38.6°
sep=78.12"
pa=38.6°
sep=78.31"
pa=35.4°
sep=76.13"
pa=49.8°
sep=83.39"
 
 
17146+1423 A
 
 
Common name Rasalgethi Coord arcsec 2000 171438.86+142324.9 Mag 3.48 Spectral class M5Ib (red)
PmRA -17.00 PmDE 47.0 HIP 84345 Tycho2 0990-02133-1
HD 156014 HR 6406 GC 23277 BD BD+14 3207
Bayer Alpha 1 Herculis Bayer name alp1 Her Flamsteed 64 Herculis Flamsteed name 64 Her
Tycho2
Tycho2 0990-02133-1 Pflag RAmdeg 258.66188627 DEmdeg 14.39036763
PmRA -17.0 PmDE 47.0 E RAmdeg 4 E DEmdeg 4
E pmRA 2.1 E pmDE 1.9 EpRAm 1991.37 EpDEm 1991.63
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.0 Q pmRA 0.8
Q pmDE 0.1 BTmag 5.077 E BTmag 0.014 VTmag 3.480
E VTmag 0.009 Prox 48 TYC T HIP 84345
CCDM A RAdeg 258.66192833 DEdeg 14.39025889 EpRA 1990 1.41
EpDE 1990 1.68 E RAdeg 3.8 E DEdeg 3.6 Posflg
Corr -0.3
Hipparcos
Catalog H HIP 84345 Proxy H RAhms 17 14 38.86
DEdms +14 23 24.9 Vmag 2.78 VarFlag 2 R Vmag H
RAdeg 258.662 DEdeg 14.3903 AstroRef A Plx 8.53
CCDM -6.71 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 105 Rho 4.841 HD BD BD+14 3207
CD CP Dm number +14 3207 VIred 3.2
SpType M5IIvar R SpType Coord arcsec 2000 171438.86+142324.9
Hipparcos 2
HIP 84345 Sn 15 So 3 Nc 2
RArad 4.5145022838 DErad 0.251157294 Plx 9.07 PmRA -7.32
PmDE 36.07 E RArad 0.94 E DErad 0.88 E Plx 1.32
E pmRA 0.92 E pmDE 0.97 Hpmag E Hpmag 0.0189
SHp 0.144 VA 2 BV 1.164 E BV 0.031
VI 1.13
 
 
17146+1423 Ab
 
 
Coord arcsec 2000 171438.85+142324.8 Spectral class II Delta magnitude 3.48 Coordinate calculated yes
 
 
17146+1423 B
 
 
Coord arcsec 2000 171439.18+142323.9 Mag 5.4 Spectral class II PmRA -7.00
PmDE 33.0 Delta magnitude 1.92 Coordinate calculated yes
 
 
17146+1423 C
 
 
Coord arcsec 2000 171437.83+142332.1 Mag 15.5 Spectral class II Delta magnitude 12.02
Coordinate calculated yes
 
 
17146+1423 D
 
 
Coord arcsec 2000 171442.21+142426.0 Mag 11.1 Spectral class II PmRA 3.00
PmDE -42.0 Delta magnitude 7.62 Coordinate calculated yes