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Doubles in session


Current system
18090-3617
SHY 738 AB
HD 165728


Nearby doubles
9' : 18085-3612
BRT1757

29' : 18114-3615
RST3160

33' : 18094-3544
B 1351

36' : 18064-3601
SKF2032AB

41' : 18059-3632
ARY 127

41' : 18074-3652
RSS 473

42' : 18101-3538
B 2857

44' : 18100-3535
R 307

46' : 18127-3629
B 928

52' : 18061-3541
TDT 682

53' : 18108-3529
B 1352

55' : 18101-3524
BRT1759

56' : 18048-3554
HDO 283

59' : 18130-3651
B 931

59' : 18121-3703
SEE 347

64' : 18073-3517
BRT1756AB

71' : 18128-3711
B 930

76' : 18153-3623
B 1354AB

77' : 18146-3654
B 935

78' : 18057-3511
VVV 51

79' : 18065-3504
TDT 687

80' : 18025-3622
TOK 613

80' : 18100-3458
LDS 627

80' : 18129-3513
SLR 13

82' : 18156-3633
RST3165

82' : 18053-3510
TDT 669



Selections
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Binocular doubles
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.

18090-3617 SHY 738 AB (HD 165728)

 
 
18h 09m 01.96s -36° 17' 05.2" P.A. 254.00 sep 999.9 mag 8.56,9.01 Sp G2V+G5V dist. 88.34 pc (288.17 l.y.)
 
 
Coord 2000 18090-3617 Discov num SHY 738 Comp AB Coord arcsec 2000 18 09 01.96 -36 17 05.2
Date first 1991 Date last 1998 Obs 4
Pa first 253 Pa last 253.5 P.A. Now (θ) 253.5°
Sep first 999.9 Sep last 4915.38 Sep. Now (ρ) 4915.38"
Mag pri 8.56 Mag sec 9.01 delta mag (ΔM) 0.45 Spectral class G2V+G5V (yellow/yellow)
Pri motion ra -018 Sec motion ra -019
Pri motion dec -004 Sec motion dec -006
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.112 (< 0.3, Physical double)
This double is physical.
 
 
18090-3617 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 209765 18 09 02 -36 17 05 RST 3155 Aa,Ab 2017 10 21 0.2 9.15 9.60 0.45
Show HD 165728 209765 18 09 02 -36 17 05 SHY 738 AB 1998 4 254 999.9 8.56 9.01 0.45 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165728 Constellation Sagittarius SAO 209765 HIP 88920
Tycho2 7404-05122-1 Gaia DR2 4037995833655866752 HD 165728 CD CD-3612259
CP CP-36 8022 Distance 88.34 Distance ly 288.17
 
 
WDS 18090-3617 SHY 738 AB (HD 165728) : NOTES
 
 
discov_num notes refcode
SHY 738 AB: HIP 88920 + HIP 88351.
 
 
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
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18090-3617 SHY 738 AB 1998 3 254 999.9 8.56 9.01 G2V G5V NVD 180901.96-361705.2

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

 
 
WDS 18090-3617 SHY 738 AB (HD 165728) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18090-3617 SHY 738 AB (HD 165728) : MEASURES
 
 
No records found.

 
 
WDS 18090-3617 (HD 165728) : VIRTUAL EYEPIECE
 
 

18090-3617 SHY 738A mag 8.56 Sp G2V 18090-3617 RST3155Ab sep 0.2 P.A. 17.40 mag 9.6 18090-3617 SHY 738B sep 4038.5 P.A. 249.80 mag 9.01 Sp G5V 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 18090-3617 (HD 165728) : ALADIN DSS IMAGE @ 18h 09m 01.96s -36° 17' 05.2"
 
 
 
 
WDS 18090-3617 SHY 738 AB (HD 165728) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18090-3617 RST3155Aa,Ab distance=1' 18090-3617 SHY 738AB distance=1' 18085-3612 BRT1757 distance=9' 18114-3615 RST3160 distance=29' 18094-3544 B 1351 distance=33' 18064-3601 SKF2032AB distance=36' 18064-3601 AMM 8AC distance=36' 18064-3601 AMM 8AD distance=36' 18064-3601 AMM 8AE distance=36' 18064-3601 AMM 8AF distance=36' 18064-3601 AMM 8AG distance=36' 18064-3601 AMM 8AH distance=36' 18064-3601 AMM 8AI distance=36' 18064-3601 AMM 8AJ distance=36' 18064-3601 AMM 8AK distance=36' 18064-3601 AMM 8AL distance=36' 18064-3601 AMM 8AM distance=36' 18064-3601 AMM 8AN distance=36' 18064-3601 AMM 8AO distance=36' 18064-3601 AMM 8AP distance=36' 18064-3601 AMM 8AQ distance=36' 18064-3601 AMM 8AR distance=36' 18064-3601 AMM 8AS distance=36' 18064-3601 AMM 8A,Ta distance=36' 18064-3601 AMM 8A,Tb distance=36' 18064-3601 AMM 8A,Tc distance=36' 18064-3601 AMM 8A,Td distance=36' 18064-3601 AMM 8A,Te distance=36' 18064-3601 AMM 8A,Tf distance=36' 18064-3601 AMM 8A,Tg distance=36' 18064-3601 AMM 8A,Th distance=36' 18064-3601 AMM 8A,Ti distance=36' 18064-3601 AMM 8A,Tj distance=36' 18064-3601 AMM 8A,Tk distance=36' 18064-3601 AMM 8A,Tl distance=36' 18064-3601 AMM 8A,Tm distance=36' 18064-3601 AMM 8A,Tn distance=36' 18064-3601 AMM 8A,To distance=36' 18064-3601 AMM 8A,Tp distance=36' 18064-3601 AMM 8A,Tq distance=36' 18064-3601 AMM 8A,Tr distance=36' 18064-3601 AMM 8A,Ts distance=36' 18064-3601 AMM 8A,Tt distance=36' 18064-3601 AMM 8A,Tu distance=36' 18064-3601 AMM 8A,Tv distance=36' 18064-3601 AMM 8A,Tw distance=36' 18064-3601 AMM 8A,Tx distance=36' 18064-3601 AMM 8A,Ty distance=36' 18064-3601 AMM 8A,Tz distance=36' 18064-3601 AMM 8A,Ua distance=36' 18064-3601 AMM 8A,Ub distance=36' 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 18090-3617 RST3155 Aa,Ab 21 0.2 1
Show 18090-3617 SHY 738 AB 254 999.9 1
Show 18085-3612 BRT1757 113 3.1 9
Show 18114-3615 RST3160 191 0.3 29
Show 18094-3544 B 1351 270 0.5 33
Show 18064-3601 SKF2032 AB 180 12.3 36
Show 18064-3601 AMM 8 AC 105 3.2 36
Show 18064-3601 AMM 8 AD 174 3.3 36
Show 18064-3601 AMM 8 AE 306 5.0 36
Show 18064-3601 AMM 8 AF 20 4.9 36
Show 18064-3601 AMM 8 AG 91 4.8 36
Show 18064-3601 AMM 8 AH 15 5.2 36
Show 18064-3601 AMM 8 AI 10 5.2 36
Show 18064-3601 AMM 8 AJ 18 5.2 36
Show 18064-3601 AMM 8 AK 117 5.4 36
Show 18064-3601 AMM 8 AL 319 5.8 36
Show 18064-3601 AMM 8 AM 308 5.9 36
Show 18064-3601 AMM 8 AN 12 5.8 36
Show 18064-3601 AMM 8 AO 181 6.0 36
Show 18064-3601 AMM 8 AP 47 5.8 36
Show 18064-3601 AMM 8 AQ 344 6.1 36
Show 18064-3601 AMM 8 AR 304 6.3 36
Show 18064-3601 AMM 8 AS 305 6.5 36
Show 18064-3601 AMM 8 A,Ta 76 6.1 36
Show 18064-3601 AMM 8 A,Tb 233 6.6 36
Show 18064-3601 AMM 8 A,Tc 172 6.7 36
Show 18064-3601 AMM 8 A,Td 209 6.9 36
Show 18064-3601 AMM 8 A,Te 170 6.9 36
Show 18064-3601 AMM 8 A,Tf 232 7.2 36
Show 18064-3601 AMM 8 A,Tg 215 7.4 36
Show 18064-3601 AMM 8 A,Th 310 7.5 36
Show 18064-3601 AMM 8 A,Ti 252 7.7 36
Show 18064-3601 AMM 8 A,Tj 346 7.5 36
Show 18064-3601 AMM 8 A,Tk 194 7.6 36
Show 18064-3601 AMM 8 A,Tl 322 7.7 36
Show 18064-3601 AMM 8 A,Tm 258 7.8 36
Show 18064-3601 AMM 8 A,Tn 203 7.8 36
Show 18064-3601 AMM 8 A,To 225 8.0 36
Show 18064-3601 AMM 8 A,Tp 55 7.6 36
Show 18064-3601 AMM 8 A,Tq 218 8.0 36
Show 18064-3601 AMM 8 A,Tr 351 7.9 36
Show 18064-3601 AMM 8 A,Ts 101 7.7 36
Show 18064-3601 AMM 8 A,Tt 325 8.1 36
Show 18064-3601 AMM 8 A,Tu 1 8.0 36
Show 18064-3601 AMM 8 A,Tv 131 8.0 36
Show 18064-3601 AMM 8 A,Tw 51 8.0 36
Show 18064-3601 AMM 8 A,Tx 79 8.3 36
Show 18064-3601 AMM 8 A,Ty 198 8.8 36
Show 18064-3601 AMM 8 A,Tz 147 8.6 36
Show 18064-3601 AMM 8 A,Ua 230 9.0 36
Show 18064-3601 AMM 8 A,Ub 218 9.0 36

 
 
WDS 18090-3617 : COMPONENTS
 
 
  A Ab
Ab pa=17.4°
sep=0.24"
 
B pa=249.8°
sep=4038.51"
pa=249.8°
sep=4038.66"
 
 
18090-3617 A
 
 
Name HD 165728 Coord arcsec 2000 180901.96-361705.2 Mag 8.56 Spectral class G2V (yellow)
PmRA -18.00 PmDE -4.0 SAO 209765 HIP 88920
Tycho2 7404-05122-1 HD 165728 CD CD-3612259 CP CP-36 8022
Tycho2
Tycho2 7404-05122-1 Pflag RAmdeg 272.25811838 DEmdeg -36.28479547
PmRA -19.3 PmDE -6.6 E RAmdeg 8 E DEmdeg 10
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.82 EpDEm 1990.21
Num 8 Q RAmdeg 1.9 Q DEmdeg 0.4 Q pmRA 2.0
Q pmDE 0.5 BTmag 9.210 E BTmag 0.020 VTmag 8.558
E VTmag 0.015 Prox 999 TYC T HIP 88920
CCDM AB RAdeg 272.25817389 DEdeg -36.28478028 EpRA 1990 1.80
EpDE 1990 1.69 E RAdeg 7.8 E DEdeg 10.3 Posflg P
Corr 0.1
SAO
SAO 209765 DelFlag RA1950 PmRA1950 -0.0083
DE1950 PmDE1950 -0.003 Vmag 8.4 SpType G0
Double code Source 41 CatNum 9262 DM CD-3612259
DMcomp BDsup HD 165728 M HD 0
GC RA1950rad 4.73704684 DE1950rad -0.63344261 PmRA2000 -0.0083
PmDE2000 -0.004
Hipparcos
Catalog H HIP 88920 Proxy H RAhms 18 09 01.96
DEdms -36 17 05.2 Vmag 8.47 VarFlag R Vmag H
RAdeg 272.258 DEdeg -36.2848 AstroRef * Plx 11.25
CCDM 18090-3617 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 13 Rho 0.207 HD 165728 BD
CD CD-3612259 CP CP-36 8022 Dm number -3612259 VIred 0.67
SpType G2V R SpType Coord arcsec 2000 180901.96-361705.2
Hipparcos 2
HIP 88920 Sn 55 So 3 Nc 2
RArad 4.751801592 DErad -0.6332888855 Plx 11.32 PmRA -19.73
PmDE -1.97 E RArad 1.28 E DErad 0.87 E Plx 1.46
E pmRA 1.91 E pmDE 1.03 Hpmag 8.5971 E Hpmag 0.002
SHp 0.015 VA 0 BV 0.609 E BV 0.02
VI 0.68
CCDM
Ccdm 18090-3617 RComp Comp A Note1
Note2 Discov num DRAs 1.49 DDEs -4.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp G0 PmNote *
PmRA -100 PmDE -3 Dm number -3612259 Cat1 CD
Name2 209765 Cat2 SAO HD 165728 M HD
ADS BDS M ADS BDS N IDS IDS 18023S3618A
HIC 88920
 
 
18090-3617 Ab
 
 
Coord arcsec 2000 180901.97-361705.0 Mag 9.6 Calc delta mag 0.45 Calc coord yes
 
 
18090-3617 B
 
 
Coord arcsec 2000 180347.76-364021.2 Mag 9.01 Spectral class G5V (yellow) PmRA -19.00
PmDE -6.0 Calc delta mag 0.14 Calc coord yes
CCDM
Ccdm 18090-3617 RComp Comp B Note1
Note2 Discov num RST3155 DRAs DDEs
R dRAs Year 1935 Theta 020 Rho 0.2
Obs 4 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18023S3618B
HIC 88920