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Current system
17491-1120
RST 3984


Nearby doubles
75' : 17541-1120
HJ 4995

82' : 17472-1237
GWP2737

88' : 17549-1138
HLD 139AB

100' : 17540-1229
KPP2417

103' : 17557-1156
HJ 4997

111' : 17524-1300
LDS5857

123' : 17445-1303
HO 421

125' : 17464-1318
STF2204

127' : 17459-1318
SKF 306

132' : 17528-1319
HJ 4993

138' : 17481-1337
GWP2738

141' : 17502-1339
LDS5856

142' : 17518-1336
HU 188

144' : 17419-0944
HDS2503

145' : 17587-1152
HDS2535

149' : 17589-1046
KPP1587

151' : 17531-1339
HU 189

156' : 17475-0847
OSO 84AB

156' : 17404-1249
KPP2768

160' : 17398-1244
ALD 65

161' : 17531-0852
HDS2523

161' : 18000-1133
HU 753

167' : 17565-1327
RST3987

175' : 17404-1319
HU 182

176' : 17586-1306
HU 190

180' : 17515-1417
RST3985



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

17491-1120 RST 3984

 
 
17h 49m 04.52s -11° 20' 29.1" P.A. 56.00 sep 3.1 mag 8.00,13.70 Sp K0 dist. 226.24 pc (737.99 l.y.)
 
 
Coord 2000 17491-1120 Discov num RST3984 Comp Coord arcsec 2000 17 49 04.52 -11 20 29.1
Date first 1937 Date last 2015 Obs 3
Pa first 58 Pa last 56.1 P.A. Now (θ) 56.1°
Sep first 2.9 Sep last 3.078 Sep. Now (ρ) 3.078"
Mag pri 8.00 Mag sec 13.70 delta mag (ΔM) 5.7 Spectral class K0 (yellow-orange)
Pri motion ra -026 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens SAO 160835 HIP 87213 Tycho2 5669-01518-1
Gaia DR2 4163684134490927360 HD 161981 BD BD-11 4460 Distance 226.24
Distance ly 737.99
 
 
WDS 17491-1120 RST 3984 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17491-1120 RST3984 1943 2 58 2.9 8.00 13.70 K0 174904.52-112029.1
17491-1120 RST3984 2015 3 56 3.1 8.00 13.70 K0 S 174904.52-112029.1

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

 
 
WDS 17491-1120 RST 3984 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17491-1120 RST 3984 : MEASURES
 
 
No records found.

 
 
WDS 17491-1120 : VIRTUAL EYEPIECE
 
 

17491-1120 RST3984A mag 8 Sp K0 17491-1120 RST3984B sep 3.0 P.A. 55.60 mag 13.7 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17491-1120 : ALADIN DSS IMAGE @ 17h 49m 04.52s -11° 20' 29.1"
 
 
 
 
WDS 17491-1120 RST 3984 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17491-1120 RST3984 distance=0' 17541-1120 HJ 4995 distance=75' 17472-1237 GWP2737 distance=82' 17549-1138 HLD 139AB distance=88' 17549-1138 HLD 139AC distance=88' 17540-1229 KPP2417 distance=100' 17557-1156 HJ 4997 distance=103' 17524-1300 LDS5857 distance=111' 17445-1303 HO 421 distance=123' 17464-1318 STF2204 distance=125' 17459-1318 SKF 306 distance=127' 17528-1319 HJ 4993 distance=132' 17481-1337 GWP2738 distance=138' 17502-1339 LDS5856 distance=141' 17518-1336 HU 188 distance=142' 17419-0944 HDS2503 distance=144' 17587-1152 HDS2535 distance=145' 17589-1046 KPP1587 distance=149' 17531-1339 HU 189 distance=151' 17475-0847 OSO 84AB distance=156' 17475-0847 OSO 84AC distance=156' 17475-0847 OSO 84AD distance=156' 17404-1249 KPP2768 distance=156' 17398-1244 ALD 65 distance=160' 17531-0852 HDS2523 distance=161' 18000-1133 HU 753 distance=161' 17565-1327 RST3987 distance=167' 17404-1319 HU 182 distance=175' 17586-1306 HU 190 distance=176' 17515-1417 RST3985 distance=180' 17424-1353 BVD 123 distance=181' 17589-0924 OSO 90AB distance=185' 17589-0924 OSO 90AC distance=185' 18010-1020 GWP2754 distance=186' 18009-1012 HU 236 distance=188' 17564-0845 RST3988 distance=190' 18015-1014 BU 47 distance=195' 17395-1339 HO 418 distance=198' 17403-1352 NSN 141 distance=199' 17374-0937 LDS5855 distance=201' 17378-1315 CVN 56AB distance=202' 17378-1315 CVN 56AC distance=202' 17378-1315 CVN 56AD distance=202' 17378-1315 CVN 56AE distance=202' 17378-1315 CVN 56AF distance=202' 17378-1315 CVN 56AG distance=202' 17378-1315 CVN 56AH distance=202' 17378-1315 CVN 56AI distance=202' 17378-1315 CVN 56AJ distance=202' 17378-1315 CVN 56AK distance=202' 17378-1315 CVN 56AL distance=202' 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 17491-1120 RST3984 56 3.1
Show 17541-1120 HJ 4995 156 27.9 75
Show 17472-1237 GWP2737 19 19.7 82
Show 17549-1138 HLD 139 AB 142 3.1 88
Show 17549-1138 HLD 139 AC 97 65.8 88
Show 17540-1229 KPP2417 145 21.0 100
Show 17557-1156 HJ 4997 85 11.1 103
Show 17524-1300 LDS5857 63 8.8 111
Show 17445-1303 HO 421 338 5.5 123
Show 17464-1318 STF2204 25 14.4 125
Show 17459-1318 SKF 306 33 32.3 127
Show 17528-1319 HJ 4993 301 19.5 132
Show 17481-1337 GWP2738 154 30.3 138
Show 17502-1339 LDS5856 79 32.3 141
Show 17518-1336 HU 188 59 0.5 142
Show 17419-0944 HDS2503 150 0.2 144
Show 17587-1152 HDS2535 167 0.1 145
Show 17589-1046 KPP1587 359 12.1 149
Show 17531-1339 HU 189 256 1.5 151
Show 17475-0847 OSO 84 AB 210 12.0 156
Show 17475-0847 OSO 84 AC 319 16.0 156
Show 17475-0847 OSO 84 AD 303 21.2 156
Show 17404-1249 KPP2768 30 2.9 156
Show 17398-1244 ALD 65 190 2.6 160
Show 17531-0852 HDS2523 253 0.3 161
Show 18000-1133 HU 753 129 5.5 161
Show 17565-1327 RST3987 137 1.2 167
Show 17404-1319 HU 182 357 1.1 175
Show 17586-1306 HU 190 320 0.2 176
Show 17515-1417 RST3985 122 0.4 180
Show 17424-1353 BVD 123 270 18.5 181
Show 17589-0924 OSO 90 AB 124 20.9 185
Show 17589-0924 OSO 90 AC 207 22.6 185
Show 18010-1020 GWP2754 219 28.3 186
Show 18009-1012 HU 236 156 0.2 188
Show 17564-0845 RST3988 36 0.8 190
Show 18015-1014 BU 47 76 0.6 195
Show 17395-1339 HO 418 281 18.5 198
Show 17403-1352 NSN 141 2 1.1 199
Show 17374-0937 LDS5855 351 3.7 201
Show 17378-1315 CVN 56 AB 86 3.9 202
Show 17378-1315 CVN 56 AC 311 4.6 202
Show 17378-1315 CVN 56 AD 283 4.6 202
Show 17378-1315 CVN 56 AE 311 5.0 202
Show 17378-1315 CVN 56 AF 358 5.2 202
Show 17378-1315 CVN 56 AG 342 5.3 202
Show 17378-1315 CVN 56 AH 161 5.7 202
Show 17378-1315 CVN 56 AI 254 5.9 202
Show 17378-1315 CVN 56 AJ 167 6.7 202
Show 17378-1315 CVN 56 AK 283 7.0 202
Show 17378-1315 CVN 56 AL 20 7.2 202

 
 
WDS 17491-1120 : COMPONENTS
 
 
  A
B pa=55.6°
sep=3.04"
 
 
17491-1120 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 174904.52-112029.1 Mag 8 Spectral class K0 (yellow-orange)
PmRA -26.00 PmDE -17.0 SAO 160835 HIP 87213
Tycho2 5669-01518-1 HD 161981 BD BD-11 4460
Tycho2
Tycho2 5669-01518-1 Pflag RAmdeg 267.26873365 DEmdeg -11.34147397
PmRA -31.0 PmDE -20.9 E RAmdeg 11 E DEmdeg 14
E pmRA 1.1 E pmDE 1.2 EpRAm 1988.57 EpDEm 1986.56
Num 12 Q RAmdeg 1.1 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 10.806 E BTmag 0.049 VTmag 9.103
E VTmag 0.019 Prox 999 TYC T HIP 87213
CCDM RAdeg 267.26880306 DEdeg -11.34142639 EpRA 1990 1.97
EpDE 1990 1.93 E RAdeg 12.4 E DEdeg 17.4 Posflg
Corr -0.1
SAO
SAO 160835 DelFlag RA1950 PmRA1950 -0.0043
DE1950 PmDE1950 -0.019 Vmag 8.5 SpType K0
Double code Source 20 CatNum 6078 DM BD-11 4460
DMcomp BDsup HD 161981 M HD 0
GC RA1950rad 4.65256651 DE1950rad -0.19768009 PmRA2000 -0.0041
PmDE2000 -0.017
Hipparcos
Catalog H HIP 87213 Proxy RAhms 17 49 04.52
DEdms -11 20 29.1 Vmag 8.89 VarFlag R Vmag H
RAdeg 267.269 DEdeg -11.3414 AstroRef Plx 4.94
CCDM 17491-1120 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 161981 BD BD-11 4460
CD CP Dm number -11 4460 VIred 1.16
SpType K0 R SpType Coord arcsec 2000 174904.52-112029.1
Hipparcos 2
HIP 87213 Sn 5 So 0 Nc 1
RArad 4.6647207819 DErad -0.1979452789 Plx 4.42 PmRA -32.29
PmDE -20.44 E RArad 1.43 E DErad 0.96 E Plx 1.79
E pmRA 1.84 E pmDE 1.07 Hpmag 9.049 E Hpmag 0.0021
SHp 0.016 VA 0 BV 1.326 E BV 0.042
VI 1.29
CCDM
Ccdm 17491-1120 RComp Comp A Note1
Note2 Discov num DRAs -1.66 DDEs -29.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp K0 PmNote *
PmRA -63 PmDE -19 Dm number -11 4460 Cat1 BD
Name2 160835 Cat2 SAO HD 161981 M HD
ADS BDS M ADS BDS N IDS IDS 17435S1118A
HIC 87213
 
 
17491-1120 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174904.69-112027.4 Mag 13.7 Calc delta mag 5.7
Calc coord yes
CCDM
Ccdm 17491-1120 RComp Comp B Note1
Note2 Discov num RST3984 DRAs DDEs
R dRAs Year 1937 Theta 058 Rho 2.9
Obs 2 Vmag 13.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17435S1118B
HIC 87213