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Doubles in session


Current system
17541-1120
HJ 4995
HD 162956


Nearby doubles
22' : 17549-1138
HLD 139AB

42' : 17557-1156
HJ 4997

69' : 17540-1229
KPP2417

75' : 17587-1152
HDS2535

75' : 17491-1120
RST3984

79' : 17589-1046
KPP1587

87' : 18000-1133
HU 753

103' : 17524-1300
LDS5857

119' : 18010-1020
GWP2754

121' : 17528-1319
HJ 4993

122' : 18009-1012
HU 236

125' : 17586-1306
HU 190

128' : 17472-1237
GWP2737

128' : 18015-1014
BU 47

131' : 17565-1327
RST3987

135' : 17589-0924
OSO 90AB

137' : 18034-1118
BRT2743

140' : 17531-1339
HU 189

141' : 17518-1336
HU 188

146' : 18004-0929
RST3990

150' : 17531-0852
HDS2523

153' : 17502-1339
LDS5856

160' : 17564-0845
RST3988

162' : 17451-0949
CIA 56

163' : 17481-1337
GWP2738

165' : 17464-1318
STF2204



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

17541-1120 HJ 4995 (HD 162956)

 
 
17h 54m 07.56s -11° 20' 15.1" P.A. 156.00 sep 27.9 mag 6.66,11.60 Sp K2III dist. 125.31 pc (408.76 l.y.)
 
 
Coord 2000 17541-1120 Discov num HJ 4995 Comp Coord arcsec 2000 17 54 07.56 -11 20 15.1
Date first 1900 Date last 2015 Obs 7
Pa first 155 Pa last 156.1 P.A. Now (θ) 156.1°
Sep first 28.5 Sep last 27.913 Sep. Now (ρ) 27.913"
Mag pri 6.66 Mag sec 11.60 delta mag (ΔM) 4.94 Spectral class K2III (yellow-orange)
Pri motion ra +008 Sec motion ra -012
Pri motion dec -003 Sec motion dec -010
Notes
rPM=1.357
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 162956 Constellation Serpens SAO 160896 HIP 87642
Tycho2 5682-01853-1 Gaia DR2 4151722135178554112 HD 162956 BD BD-11 4475
Distance 125.31 Distance ly 408.76
 
 
WDS 17541-1120 HJ 4995 (HD 162956) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
17541-1120 HJ 4995 1999 4 156 28.1 6.60 11.60 K2III -11 4475 D 175407.56-112015.1
17541-1120 HJ 4995 2000 7 156 28.6 6.60 11.60 K2III -11 4475 D 175407.56-112015.1
17541-1120 HJ 4995 2010 8 156 26.8 6.66 11.60 K2III -11 4475 175407.56-112015.1
17541-1120 HJ 4995 2015 8 156 28.1 6.66 11.60 K2III -11 4475 175407.56-112015.1

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

 
 
WDS 17541-1120 HJ 4995 (HD 162956) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17541-1120 HJ 4995 (HD 162956) : MEASURES
 
 
No records found.

 
 
WDS 17541-1120 (HD 162956) : VIRTUAL EYEPIECE
 
 

17541-1120 HJ 4995A mag 6.66 Sp K2III 17541-1120 HJ 4995B sep 27.9 P.A. 156.10 mag 11.6 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 17541-1120 (HD 162956) : ALADIN DSS IMAGE @ 17h 54m 07.56s -11° 20' 15.1"
 
 
 
 
WDS 17541-1120 HJ 4995 (HD 162956) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17541-1120 HJ 4995 distance=0' 17549-1138 HLD 139AB distance=22' 17549-1138 HLD 139AC distance=22' 17557-1156 HJ 4997 distance=42' 17540-1229 KPP2417 distance=69' 17587-1152 HDS2535 distance=75' 17491-1120 RST3984 distance=75' 17589-1046 KPP1587 distance=79' 18000-1133 HU 753 distance=87' 17524-1300 LDS5857 distance=103' 18010-1020 GWP2754 distance=119' 17528-1319 HJ 4993 distance=121' 18009-1012 HU 236 distance=122' 17586-1306 HU 190 distance=125' 17472-1237 GWP2737 distance=128' 18015-1014 BU 47 distance=128' 17565-1327 RST3987 distance=131' 17589-0924 OSO 90AB distance=135' 17589-0924 OSO 90AC distance=135' 18034-1118 BRT2743 distance=137' 17531-1339 HU 189 distance=140' 17518-1336 HU 188 distance=141' 18004-0929 RST3990 distance=146' 17531-0852 HDS2523 distance=150' 17501-1340 GKM9383A,Ba distance=153' 17501-1340 GKM9383Ba,Bb distance=153' 17502-1339 LDS5856 distance=153' 17564-0845 RST3988 distance=160' 17451-0949 CIA 56 distance=162' 17481-1337 GWP2738 distance=163' 17464-1318 STF2204 distance=165' 17598-1346 HU 191 distance=167' 17459-1318 SKF 306 distance=169' 17445-1303 HO 421 distance=175' 17515-1417 RST3985 distance=181' 17475-0847 OSO 84AB distance=183' 17475-0847 OSO 84AC distance=183' 17475-0847 OSO 84AD distance=183' 17596-0820 GWP2751 distance=198' 18064-1250 RST3995 distance=201' 17527-0757 STF2234 distance=205' 17419-0944 HDS2503 distance=205' 17530-0755 STF3128AB distance=206' 17530-0755 STF3128AC distance=206' 18000-1430 HU 192AB distance=209' 17550-0744 LLO 14 distance=217' 17404-1249 KPP2768 distance=221' 17547-1503 FOX 210 distance=224' 17398-1244 ALD 65 distance=226' 18040-1415 HU 193 distance=227' 17424-1353 BVD 123 distance=230' 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 17541-1120 HJ 4995 156 27.9 0
Show 17549-1138 HLD 139 AB 142 3.1 22
Show 17549-1138 HLD 139 AC 97 65.8 22
Show 17557-1156 HJ 4997 85 11.1 42
Show 17540-1229 KPP2417 145 21.0 69
Show 17587-1152 HDS2535 167 0.1 75
Show 17491-1120 RST3984 56 3.1 75
Show 17589-1046 KPP1587 359 12.1 79
Show 18000-1133 HU 753 129 5.5 87
Show 17524-1300 LDS5857 63 8.8 103
Show 18010-1020 GWP2754 219 28.3 119
Show 17528-1319 HJ 4993 301 19.5 121
Show 18009-1012 HU 236 156 0.2 122
Show 17586-1306 HU 190 320 0.2 125
Show 17472-1237 GWP2737 19 19.7 128
Show 18015-1014 BU 47 89 0.7 128
Show 17565-1327 RST3987 137 1.2 131
Show 17589-0924 OSO 90 AB 124 20.9 135
Show 17589-0924 OSO 90 AC 207 22.6 135
Show 18034-1118 BRT2743 337 3.8 137
Show 17531-1339 HU 189 256 1.4 140
Show 17518-1336 HU 188 59 0.5 141
Show 18004-0929 RST3990 93 2.4 146
Show 17531-0852 HDS2523 253 0.3 150
Show 17501-1340 GKM9383 A,Ba 278 0.8 153
Show 17501-1340 GKM9383 Ba,Bb 47 0.1 153
Show 17502-1339 LDS5856 79 32.3 153
Show 17564-0845 RST3988 36 0.8 160
Show 17451-0949 CIA 56 190 0.0 162
Show 17481-1337 GWP2738 154 30.3 163
Show 17464-1318 STF2204 25 14.4 165
Show 17598-1346 HU 191 120 4.1 167
Show 17459-1318 SKF 306 33 32.3 169
Show 17445-1303 HO 421 338 5.5 175
Show 17515-1417 RST3985 122 0.4 181
Show 17475-0847 OSO 84 AB 210 12.0 183
Show 17475-0847 OSO 84 AC 319 16.0 183
Show 17475-0847 OSO 84 AD 303 21.2 183
Show 17596-0820 GWP2751 127 23.6 198
Show 18064-1250 RST3995 137 0.8 201
Show 17527-0757 STF2234 198 16.9 205
Show 17419-0944 HDS2503 150 0.2 205
Show 17530-0755 STF3128 AB 50 1.3 206
Show 17530-0755 STF3128 AC 86 97.1 206
Show 18000-1430 HU 192 AB 138 2.6 209
Show 17550-0744 LLO 14 293 5.9 217
Show 17404-1249 KPP2768 30 2.9 221
Show 17547-1503 FOX 210 69 6.1 224
Show 17398-1244 ALD 65 190 2.6 226
Show 18040-1415 HU 193 307 0.7 227
Show 17424-1353 BVD 123 270 18.5 230

 
 
WDS 17541-1120 : COMPONENTS
 
 
  A
B pa=156.1°
sep=27.91"
 
 
17541-1120 A
 
 
Name HD 162956 Coord arcsec 2000 175407.56-112015.1 Mag 6.66 Spectral class K2III (yellow-orange)
PmRA 8.00 PmDE -3.0 HIP 87642 Tycho2 5682-01853-1
HD 162956 BD BD-11 4475
Tycho2
Tycho2 5682-01853-1 Pflag RAmdeg 268.53151395 DEmdeg -11.33753799
PmRA 7.1 PmDE -1.9 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.36 EpDEm 1991.09
Num 12 Q RAmdeg 0.5 Q DEmdeg 0.6 Q pmRA 0.5
Q pmDE 0.5 BTmag 8.077 E BTmag 0.016 VTmag 6.655
E VTmag 0.010 Prox 999 TYC T HIP 87642
CCDM RAdeg 268.53149750 DEdeg -11.33753389 EpRA 1990 1.77
EpDE 1990 1.68 E RAdeg 4.2 E DEdeg 4.8 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 87642 Proxy RAhms 17 54 07.56
DEdms -11 20 15.1 Vmag 6.51 VarFlag R Vmag H
RAdeg 268.531 DEdeg -11.3375 AstroRef Plx 7.67
CCDM 8.41 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-11 4475
CD CP Dm number -11 4475 VIred 1.14
SpType K0 R SpType Coord arcsec 2000 175407.56-112015.1
Hipparcos 2
HIP 87642 Sn 5 So 0 Nc 1
RArad 4.6867587654 DErad -0.1978772582 Plx 7.98 PmRA 7.94
PmDE -2.76 E RArad 0.56 E DErad 0.31 E Plx 0.58
E pmRA 0.81 E pmDE 0.38 Hpmag E Hpmag 0.0012
SHp 0.008 VA 0 BV 1.193 E BV 0.009
VI 1.15
CCDM
Ccdm 17541-1120 RComp Comp A Note1
Note2 Discov num DRAs 1.51 DDEs -15.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.6 Sp K0 PmNote *
PmRA -4 PmDE -8 Dm number -11 4475 Cat1 BD
Name2 160896 Cat2 SAO HD 162956 M HD
ADS BDS A10872 M ADS BDS N IDS IDS 17486S1119A
HIC 87642
 
 
17541-1120 B
 
 
Coord arcsec 2000 175408.33-112040.6 Mag 11.6 PmRA -12.00 PmDE -10.0
Delta magnitude 4.94 Coordinate calculated yes
CCDM
Ccdm 17541-1120 RComp Comp B Note1
Note2 Discov num HJ 4995 DRAs DDEs
R dRAs Year 1900 Theta 155 Rho 28.6
Obs 2 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10872 M ADS BDS N IDS IDS 17486S1119B
HIC