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Doubles in session


Current system
17433+2137
ALP 31 AB


Nearby doubles
9' : 17427+2138
BRT2438

20' : 17421+2127
DRD 1

22' : 17418+2130
COU 114

23' : 17420+2127
STF2197

29' : 17441+2202
KPP4057AB

35' : 17416+2111
STF2196

37' : 17414+2111
STF2195

38' : 17421+2103
A 1371

41' : 17452+2107
COU 630

41' : 17404+2144
BRT2436

41' : 17459+2153
STT 335

49' : 17410+2214
SMA 78

61' : 17436+2237
HU 1285

63' : 17445+2236
HU 1286

65' : 17434+2032
UC 3390

67' : 17422+2031
BRT2437

69' : 17464+2229
KPP4060

69' : 17432+2245
COU 629

71' : 17387+2106
KPP3320

74' : 17481+2205
DAM 860

78' : 17429+2019
COU 29

78' : 17386+2219
COU 316AB

79' : 17428+2017
COU 28

86' : 17473+2241
COU 633AB

87' : 17422+2302
UC 3385

88' : 17406+2017
AG 211



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17433+2137 ALP 31 AB

 
 
17h 43m 15.64s +21° 36' 33.1" P.A. 189.00 sep 23.0 mag 7.50,15.00 Sp G9V+M2V dist. 22.65 pc (73.88 l.y.)
 
 
Coord 2000 17433+2137 Discov num ALP  31 Comp AB Coord arcsec 2000 17 43 15.64 +21 36 33.1
Date first 1999 Date last 2016 Obs 4
Pa first 189 Pa last 188.6 P.A. Now (θ) 188.6°
Sep first 22.8 Sep last 22.98 Sep. Now (ρ) 22.98"
Mag pri 7.50 Mag sec 15.00 delta mag (ΔM) 7.5 Spectral class G9V+M2V (yellow/red)
Pri motion ra -123 Sec motion ra -099
Pri motion dec -620 Sec motion dec -631
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.041 (< 0.3, Physical double)
This double is physical.
 
 
17433+2137 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 161198 85357 17 43 16 +21 36 33 DUQ 1 Aa,Ab 2021 10 283 0.2 7.50 Y
Show 17 43 16 +21 36 33 ALP 31 AB 2016 4 189 23.0 7.50 15.00 7.50 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 86722 Tycho2 1563-03551-1 HD 161198
GL Gl 692.1 BD BD+21 3198 Distance 22.65 Distance ly 73.88
 
 
WDS 17433+2137 ALP 31 AB : NOTES
 
 
discov_num notes refcode
DUQ 1 Aa,Ab: Martin et al. (1998) derive component masses 0.942 +/- 0.166
and 0.337 +/- 0.072 Msun. Mig1998
 
 
REFERENCES
 
 
refcode metd author reference
Mig1998 orb - Martin, Ch., Mignard, F., Hartkopf, W.I., & McAlister, H.A. 1998A&AS..133..149M
Mig1998 A&AS 133, 149, 1998
 
 
DISCOVERER
 
 
idgroup discov author
1 ALP Allen, P.R., Koerner, D.W., McElwain, M.W., Cruz, K.L., & Reid, I.N.
4 DUQ Duquennoy, A.
11 DUQ Duquennoy, A., Tokovinin, A.A., Leinert, Ch., Glindemann, A., Halbwachs, J.-L., &
11 DUQ Mayor, M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17433+2137 ALP 31 AB 1999 1 188 22.7 7.50 15.00 K0V M4.5 V 174315.72+213638.6
17433+2137 ALP 31 AB 2010 2 189 22.9 7.50 15.00 K0V+M5.5 NV 174315.72+213638.6
17433+2137 ALP 31 AB 2015 3 189 23.0 7.50 15.00 K0V+M5.5 NV 174315.64+213633.1
17433+2137 ALP 31 AB 2016 4 189 23.0 7.50 15.00 G9V+M2V NV 174315.64+213633.1

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

 
 
WDS 17433+2137 ALP 31 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17433+2137 ALP 31 AB : MEASURES
 
 
No records found.

 
 
WDS 17433+2137 : VIRTUAL EYEPIECE
 
 

17433+2137 ALP 31A mag 7.5 Sp G9V 17433+2137 DUQ 1Ab sep 0.2 P.A. 283.50 17433+2137 ALP 31B sep 22.9 P.A. 188.00 mag 15 Sp M2V virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17433+2137 : ALADIN DSS IMAGE @ 17h 43m 15.64s +21° 36' 33.1"
 
 
 
 
WDS 17433+2137 ALP 31 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17433+2137 ALP 31AB distance=0' 17427+2138 BRT2438 distance=9' 17421+2127 DRD 1 distance=20' 17418+2130 COU 114 distance=22' 17420+2127 STF2197 distance=23' 17441+2202 KPP4057AB distance=29' 17416+2111 STF2196 distance=35' 17414+2111 STF2195 distance=37' 17421+2103 A 1371 distance=38' 17452+2107 COU 630 distance=41' 17404+2144 BRT2436 distance=41' 17459+2153 STT 335 distance=41' 17410+2214 SMA 78 distance=49' 17436+2237 HU 1285 distance=61' 17445+2236 HU 1286 distance=63' 17434+2032 UC 3390 distance=65' 17422+2031 BRT2437 distance=67' 17464+2229 KPP4060 distance=69' 17432+2245 COU 629 distance=69' 17387+2106 KPP3320 distance=71' 17481+2205 DAM 860 distance=74' 17429+2019 COU 29 distance=78' 17386+2219 COU 316BC distance=78' 17386+2219 COU 316AB distance=78' 17428+2017 COU 28 distance=79' 17473+2241 COU 633AB distance=86' 17473+2241 GII 252Aa,Ab distance=86' 17422+2302 UC 3385 distance=87' 17406+2017 AG 211 distance=88' 17370+2150 BRT2435 distance=89' 17445+2304 KPP3321 distance=90' 17411+2302 LDS4759 distance=91' 17474+2300 POU3312 distance=102' 17375+2036 GAU 21AB distance=102' 17496+2226 COU 502 distance=102' 17360+2100 STF2190AB distance=109' 17360+2100 WAL 83AC distance=109' 17402+2318 TDT 458 distance=110' 17378+2257 AG 210AB distance=111' 17378+2257 FYM 246AC distance=111' 17393+2316 TDT 451 distance=114' 17506+2046 GRV 966 distance=115' 17352+2207 TDT 423 distance=117' 17422+2333 TDT 467 distance=118' 17376+2306 FOX 204 distance=120' 17484+2314 POU3313 distance=121' 17471+1945 UC 3405AB distance=125' 17471+1945 UC 3405AC distance=125' 17379+2323 POU3302 distance=131' 17420+2349 POU3310 distance=134' 17335+2203 TDT 409 distance=138' 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 17433+2137 DUQ 1 Aa,Ab 283 0.2
Show 17433+2137 ALP 31 AB 189 23.0
Show 17427+2138 BRT2438 354 3.1 9
Show 17421+2127 DRD 1 352 17.2 20
Show 17418+2130 COU 114 261 0.1 22
Show 17420+2127 STF2197 357 7.9 23
Show 17441+2202 KPP4057 AB 88 5.9 29
Show 17416+2111 STF2196 257 3.3 35
Show 17414+2111 STF2195 286 21.6 37
Show 17421+2103 A 1371 113 0.1 38
Show 17452+2107 COU 630 124 0.2 41
Show 17404+2144 BRT2436 187 5.6 41
Show 17459+2153 STT 335 140 24.8 41
Show 17410+2214 SMA 78 238 17.1 49
Show 17436+2237 HU 1285 211 0.5 61
Show 17445+2236 HU 1286 269 3.2 63
Show 17434+2032 UC 3390 41 23.6 65
Show 17422+2031 BRT2437 58 4.1 67
Show 17464+2229 KPP4060 7 2.8 69
Show 17432+2245 COU 629 207 4.0 69
Show 17387+2106 KPP3320 250 1.7 71
Show 17481+2205 DAM 860 314 6.0 74
Show 17429+2019 COU 29 191 2.6 78
Show 17386+2219 COU 316 BC 276 2.3 78
Show 17386+2219 COU 316 AB 186 34.2 78
Show 17428+2017 COU 28 169 3.5 79
Show 17473+2241 COU 633 AB 237 3.0 86
Show 17473+2241 GII 252 Aa,Ab 140 0.2 86
Show 17422+2302 UC 3385 139 24.3 87
Show 17406+2017 AG 211 130 2.7 88
Show 17370+2150 BRT2435 300 2.9 89
Show 17445+2304 KPP3321 201 9.1 90
Show 17411+2302 LDS4759 105 47.9 91
Show 17474+2300 POU3312 94 8.5 102
Show 17375+2036 GAU 21 AB 4 16.0 102
Show 17496+2226 COU 502 40 2.0 102
Show 17360+2100 STF2190 AB 22 10.4 109
Show 17360+2100 WAL 83 AC 37 76.8 109
Show 17402+2318 TDT 458 302 2.6 110
Show 17378+2257 AG 210 AB 190 4.2 111
Show 17378+2257 FYM 246 AC 339 11.2 111
Show 17393+2316 TDT 451 222 1.9 114
Show 17506+2046 GRV 966 84 27.8 115
Show 17352+2207 TDT 423 193 0.4 117
Show 17422+2333 TDT 467 282 0.7 118
Show 17376+2306 FOX 204 58 18.6 120
Show 17484+2314 POU3313 137 20.4 121
Show 17471+1945 UC 3405 AB 259 27.2 125
Show 17471+1945 UC 3405 AC 226 1.2 125
Show 17379+2323 POU3302 203 8.6 131
Show 17420+2349 POU3310 3 20.0 134

 
 
WDS 17433+2137 : COMPONENTS
 
 
  A Ab
Ab pa=283.5°
sep=0.16"
 
B pa=188.0°
sep=22.95"
pa=187.6°
sep=22.96"
 
 
17433+2137 A
 
 
Coord arcsec 2000 174315.64+213633.1 Mag 7.5 Spectral class G9V (yellow) PmRA -123.00
PmDE -620.0 Tycho2 1563-03551-1
Tycho2
Tycho2 1563-03551-1 Pflag RAmdeg 265.81517795 DEmdeg 21.60918868
PmRA -123.1 PmDE -628.0 E RAmdeg 5 E DEmdeg 5
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.44 EpDEm 1991.34
Num 11 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.0 BTmag 8.477 E BTmag 0.015 VTmag 7.580
E VTmag 0.010 Prox 999 TYC T HIP 86722
CCDM RAdeg 265.81548194 DEdeg 21.61064000 EpRA 1990 1.73
EpDE 1990 1.68 E RAdeg 4.8 E DEdeg 4.8 Posflg
Corr -0.2
 
 
17433+2137 Ab
 
 
Coord arcsec 2000 174315.63+213633.1 SAO 85357 HIP 86722 HD 161198
GC 24055 BD BD+21 3198 Calc delta mag 7.5 Calc coord yes
SAO
SAO 85357 DelFlag RA1950 PmRA1950 -0.0099
DE1950 PmDE1950 -0.642 Vmag 7.5 SpType K0
Double code Source 70 CatNum 24055 DM BD+21 3198
DMcomp BDsup HD 161198 M HD 0
GC 24055 RA1950rad 4.63011953 DE1950rad 0.37767687 PmRA2000 -0.0096
PmDE2000 -0.642
Hipparcos
Catalog H HIP 86722 Proxy RAhms 17 43 15.72
DEdms +21 36 38.6 Vmag 7.51 VarFlag R Vmag G
RAdeg 265.815 DEdeg 21.6107 AstroRef Plx 42.45
CCDM N CCDM Nsys Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 161198 BD BD+21 3198
CD CP Dm number +21 3198 VIred 0.87
SpType K0V R SpType Coord arcsec 2000 174315.72+213638.6
Hipparcos 2
HIP 86722 Sn 7 So 1 Nc 1
RArad 4.639355727 DErad 0.3771781461 Plx 44.15 PmRA -123.2
PmDE -619.51 E RArad 0.64 E DErad 0.71 E Plx 0.89
E pmRA 0.85 E pmDE 0.86 Hpmag 7.6442 E Hpmag 0.0011
SHp 0.01 VA 0 BV 0.752 E BV 0.005
VI 0.87
 
 
17433+2137 B
 
 
Coord arcsec 2000 174315.41+213610.4 Mag 15 Spectral class M2V (red) PmRA -99.00
PmDE -631.0 Calc delta mag 7.5 Calc coord yes