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Doubles in session


Current system
15120+3840
STF 1921 AB
HD 135076


Nearby doubles
27' : 15135+3900
UR 16

29' : 15108+3905
HJ 568

31' : 15099+3859
STF1916

42' : 15149+3818
STF1926AB

46' : 15106+3923
NI 34AB

50' : 15084+3814
CRB 108

52' : 15163+3831
COU1137

60' : 15123+3939
LEP 73

63' : 15101+3741
HJ 567

70' : 15118+3949
LDS4535

90' : 15082+3958
RUC 23

91' : 15078+3956
COU1271

101' : 15205+3826
TDS9493

101' : 15088+4014
COU1272AB

111' : 15124+3650
KPP 762

113' : 15032+3927
SLW1055

115' : 15120+3645
WIS 282

117' : 15151+3650
STT 295

118' : 15069+4023
LDS4530

120' : 15216+3922
CBL 487

126' : 15213+3945
LDT 10

127' : 15157+3642
ALI 601

127' : 15038+3718
TDS9391

130' : 15108+4048
SKF1755

132' : 15008+3843
KPP3942

136' : 15124+3621
HJ 250



Selections
Full WDS
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.

15120+3840 STF 1921 AB (HD 135076)

 
 
15h 12m 00.00s +38° 40' 12.4" P.A. 283.00 sep 30.3 mag 8.56,8.74 Sp A2 dist. 169.49 pc (552.88 l.y.)
 
 
Coord 2000 15120+3840 Discov num STF1921 Comp AB Coord arcsec 2000 15 12 00.00 +38 40 12.4
Date first 1797 Date last 2017 Obs 55
Pa first 270 Pa last 282.6 P.A. Now (θ) 282.6°
Sep first 29.0 Sep last 30.335 Sep. Now (ρ) 30.335"
Mag pri 8.56 Mag sec 8.74 delta mag (ΔM) 0.18 Spectral class A2 (white)
Pri motion ra +022 Sec motion ra +021
Pri motion dec -009 Sec motion dec -009
Notes N T W (See Notes, Parallax indicates physical, )
rPM=0.042 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 135076 Constellation Bootes SAO 64551 HIP 74378
Tycho2 3045-00902-1 HD 135076 GC 20448 BD BD+39 2844
Distance 169.49 Distance ly 552.88
 
 
WDS 15120+3840 STF 1921 AB (HD 135076) : NOTES
 
 
discov_num notes refcode
STF1921 B is BD+39@2844.
 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15120+3840 STF1921 AB 2017 54 283 30.3 8.56 8.74 A2 NTW 151200.00+384012.4

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

 
 
WDS 15120+3840 STF 1921 AB (HD 135076) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15120+3840 STF 1921 AB (HD 135076) : MEASURES
 
 
No records found.

 
 
WDS 15120+3840 (HD 135076) : VIRTUAL EYEPIECE
 
 

15120+3840 STF1921A mag 8.56 Sp A2 15120+3840 STF1921B sep 24.0 P.A. 286.00 mag 8.74 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 15120+3840 (HD 135076) : ALADIN DSS IMAGE @ 15h 12m 00.00s +38° 40' 12.4"
 
 
 
 
WDS 15120+3840 STF 1921 AB (HD 135076) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15120+3840 STF1921AB distance=0' 15135+3900 UR 16 distance=27' 15108+3905 HJ 568 distance=29' 15099+3859 STF1916 distance=31' 15149+3818 STF1926AB distance=42' 15149+3818 GII 218Aa,Ab distance=42' 15106+3923 NI 34AB distance=46' 15084+3814 CRB 108 distance=50' 15163+3831 COU1137 distance=52' 15123+3939 LEP 73 distance=60' 15101+3741 HJ 567 distance=63' 15118+3949 LDS4535 distance=70' 15082+3958 RUC 23 distance=90' 15078+3956 COU1271 distance=91' 15205+3826 TDS9493 distance=101' 15088+4014 COU1272AB distance=101' 15088+4014 COU1272AB,C distance=101' 15124+3650 KPP 762 distance=111' 15032+3927 SLW1055 distance=113' 15120+3645 WIS 282 distance=115' 15151+3650 STT 295 distance=117' 15069+4023 LDS4530 distance=118' 15216+3922 CBL 487 distance=120' 15213+3945 LDT 10 distance=126' 15157+3642 ALI 601 distance=127' 15038+3718 TDS9391 distance=127' 15108+4048 SKF1755 distance=130' 15008+3843 KPP3942 distance=132' 15124+3621 HJ 250 distance=136' 15075+4045 CVR1617 distance=136' 15236+3838 RAO 593 distance=137' 15213+3710 GRV1208 distance=142' 15160+4055 LDS5833 distance=142' 15020+4002 ES 1550 distance=143' 15226+3953 WIS 284 distance=144' 15109+4104 CVR1619 distance=145' 15197+3646 CVR 783 distance=146' 15005+3741 COU1270 distance=148' 15066+3627 KPP3945 distance=148' 15168+4100 ES 1551 distance=151' 15042+3641 HDS2124 distance=151' 15070+3619 SLW1062 distance=154' 15188+3627 HDS2152AB distance=156' 15188+3627 GII 219Aa,Ab distance=156' 15243+3942 LEP 146 distance=156' 15024+4026 LDS4523 distance=157' 15230+3710 SLW1087 distance=158' 15007+4011 SLW1051 distance=159' 15170+4109 KPP1471 distance=160' 15043+3628 CRB 106 distance=161' 15126+3558 COU 973 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 15120+3840 STF1921 AB 283 30.3
Show 15135+3900 UR 16 279 9.6 27
Show 15108+3905 HJ 568 305 2.1 29
Show 15099+3859 STF1916 332 9.8 31
Show 15149+3818 STF1926 AB 222 0.3 42
Show 15149+3818 GII 218 Aa,Ab 138 0.1 42
Show 15106+3923 NI 34 AB 102 7.0 46
Show 15084+3814 CRB 108 96 20.3 50
Show 15163+3831 COU1137 47 0.6 52
Show 15123+3939 LEP 73 219 485.6 60
Show 15101+3741 HJ 567 15 33.8 63
Show 15118+3949 LDS4535 86 15.3 70
Show 15082+3958 RUC 23 121 12.1 90
Show 15078+3956 COU1271 193 0.4 91
Show 15205+3826 TDS9493 170 0.4 101
Show 15088+4014 COU1272 AB 60 0.2 101
Show 15088+4014 COU1272 AB,C 174 1.2 101
Show 15124+3650 KPP 762 270 6.6 111
Show 15032+3927 SLW1055 116 9.2 113
Show 15120+3645 WIS 282 294 738.5 115
Show 15151+3650 STT 295 153 0.4 117
Show 15069+4023 LDS4530 109 91.9 118
Show 15216+3922 CBL 487 40 25.1 120
Show 15213+3945 LDT 10 91 0.2 126
Show 15157+3642 ALI 601 293 4.4 127
Show 15038+3718 TDS9391 316 1.0 127
Show 15108+4048 SKF1755 291 1.2 130
Show 15008+3843 KPP3942 332 1.5 132
Show 15124+3621 HJ 250 124 20.5 136
Show 15075+4045 CVR1617 64 4.6 136
Show 15236+3838 RAO 593 0.6 137
Show 15213+3710 GRV1208 141 20.0 142
Show 15160+4055 LDS5833 72 126.2 142
Show 15020+4002 ES 1550 163 1.8 143
Show 15226+3953 WIS 284 249 999.9 144
Show 15109+4104 CVR1619 332 3.0 145
Show 15197+3646 CVR 783 68 8.5 146
Show 15005+3741 COU1270 232 0.5 148
Show 15066+3627 KPP3945 332 4.4 148
Show 15168+4100 ES 1551 152 1.3 151
Show 15042+3641 HDS2124 278 0.2 151
Show 15070+3619 SLW1062 201 45.4 154
Show 15188+3627 HDS2152 AB 223 1.1 156
Show 15188+3627 GII 219 Aa,Ab 115 0.2 156
Show 15243+3942 LEP 146 138 6.5 156
Show 15024+4026 LDS4523 352 7.9 157
Show 15230+3710 SLW1087 218 13.1 158
Show 15007+4011 SLW1051 74 10.9 159
Show 15170+4109 KPP1471 146 11.1 160
Show 15043+3628 CRB 106 154 10.9 161
Show 15126+3558 COU 973 115 6.6 163

 
 
WDS 15120+3840 : COMPONENTS
 
 
  A
B pa=286.0°
sep=24.04"
 
 
15120+3840 A
 
 
Name HD 135077 Coord arcsec 2000 151200.00+384012.4 Mag 8.56 Spectral class A2 (white)
PmRA 22.00 PmDE -9.0 SAO 64551 HIP 74382
Tycho2 3045-00902-1 HD 135077 GC 20448 BD BD+39 2845
Tycho2
Tycho2 3045-00902-1 Pflag RAmdeg 227.99998292 DEmdeg 38.67012314
PmRA 21.8 PmDE -6.6 E RAmdeg 7 E DEmdeg 6
E pmRA 1.0 E pmDE 1.1 EpRAm 1990.75 EpDEm 1991.12
Num 13 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.1 BTmag 8.862 E BTmag 0.016 VTmag 8.562
E VTmag 0.013 Prox 305 TYC T HIP 74382
CCDM RAdeg 227.99991889 DEdeg 38.67013833 EpRA 1990 1.63
EpDE 1990 1.69 E RAdeg 6.9 E DEdeg 6.0 Posflg
Corr -0.1
SAO
SAO 64551 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 -0.007 Vmag 8.5 SpType A2
Double code Source 70 CatNum 20448 DM BD+39 2845
DMcomp BDsup HD 135077 M HD 0
GC 20448 RA1950rad 3.97104922 DE1950rad 0.67818899 PmRA2000 0.002
PmDE2000 -0.003
Hipparcos
Catalog H HIP 74382 Proxy RAhms 15 11 59.98
DEdms +38 40 12.5 Vmag 8.52 VarFlag R Vmag H
RAdeg 228 DEdeg 38.6701 AstroRef Plx 6.83
CCDM 15120+3840 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 135077 BD BD+39 2845
CD CP Dm number +39 2845 VIred 0.33
SpType A2 R SpType Coord arcsec 2000 151159.98+384012.5
Hipparcos 2
HIP 74382 Sn 5 So 0 Nc 1
RArad 3.9793491839 DErad 0.6749212225 Plx 7.06 PmRA 20.68
PmDE -9.25 E RArad 0.63 E DErad 0.69 E Plx 0.9
E pmRA 0.77 E pmDE 0.9 Hpmag 8.5972 E Hpmag 0.0019
SHp 0.02 VA 0 BV 0.17 E BV 0.15
VI 0.33
CCDM
Ccdm 15120+3840 RComp Comp A Note1
Note2 Discov num DRAs 0.00 DDEs 12.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp A2 PmNote *
PmRA 20 PmDE -7 Dm number +39 2845 Cat1 BD
Name2 +38 1386 Cat2 AGK2/3 HD 135077 M HD
ADS BDS B 7167 M ADS BDS N IDS IDS 15082N3902A
HIC 74382
 
 
15120+3840 B
 
 
Coord arcsec 2000 151158.03+384019.0 Mag 8.74 PmRA 21.00 PmDE -9.0
SAO 64550 HIP 74378 Tycho2 3045-01294-1 HD 135076
BD BD+39 2844 Calc delta mag 0.18 Calc coord yes
Tycho2
Tycho2 3045-01294-1 Pflag RAmdeg 227.98939878 DEmdeg 38.67193888
PmRA 21.9 PmDE -7.1 E RAmdeg 8 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.85 EpDEm 1991.14
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.1 Q pmRA 1.0
Q pmDE 1.2 BTmag 9.045 E BTmag 0.017 VTmag 8.743
E VTmag 0.013 Prox 305 TYC T HIP 74378
CCDM RAdeg 227.98933306 DEdeg 38.67195583 EpRA 1990 1.62
EpDE 1990 1.70 E RAdeg 7.6 E DEdeg 6.9 Posflg
Corr -0.1
SAO
SAO 64550 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 -0.036 Vmag 8 SpType A2
Double code Source 5 CatNum 1385 DM BD+39 2844
DMcomp BDsup HD 135076 M HD 0
GC RA1950rad 3.97086507 DE1950rad 0.6782174 PmRA2000 0.0022
PmDE2000 -0.032
Hipparcos
Catalog H HIP 74378 Proxy RAhms 15 11 57.44
DEdms +38 40 19.0 Vmag 8.71 VarFlag R Vmag H
RAdeg 227.989 DEdeg 38.672 AstroRef Plx 5.65
CCDM 15120+3840 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 135076 BD BD+39 2844
CD CP Dm number +39 2844 VIred 0.24
SpType A2 R SpType Coord arcsec 2000 151157.44+384019.0
Hipparcos 2
HIP 74378 Sn 5 So 0 Nc 1
RArad 3.9791645745 DErad 0.6749529463 Plx 5.9 PmRA 20.47
PmDE -7.96 E RArad 0.61 E DErad 0.72 E Plx 0.91
E pmRA 0.77 E pmDE 1.03 Hpmag 8.7763 E Hpmag 0.0021
SHp 0.023 VA 0 BV 0.17 E BV 0.15
VI 0.24
CCDM
Ccdm 15120+3840 RComp Comp B Note1
Note2 Discov num STF1921 DRAs -2.53 DDEs 18.1
R dRAs 10 Year 1830 Theta 283 Rho 30.4
Obs 15 Vmag 8.7 Sp A2 PmNote *
PmRA 19 PmDE -21 Dm number +39 2844 Cat1 BD
Name2 +38 1385 Cat2 AGK2/3 HD 135076 M HD
ADS BDS B 7167 M ADS BDS N IDS IDS 15082N3902B
HIC 74378