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Current system
16117+3321
STT 305 AB
HD 145802


Nearby doubles
14' : 16116+3307
TDS9789

19' : 16121+3303
HU 1171

43' : 16138+3354
SHN 211

49' : 16147+3352
STF2032AB

58' : 16148+3239
UC 3141

63' : 16153+3238
SLW1168

64' : 16118+3424
STT 306

69' : 16072+3402
KPP3982

72' : 16172+3341
COU 980AB

73' : 16072+3407
TDS9764

78' : 16067+3406
DEA 55

82' : 16118+3442
CVR 182

82' : 16120+3159
FMR 123

82' : 16135+3202
HDS2293AB

94' : 16152+3443
HDS2298

99' : 16193+3301
SLW1170

103' : 16097+3141
GRV 922

104' : 16043+3408
KPP3979

104' : 16181+3215
SHN 212

105' : 16145+3143
LDS4652

106' : 16043+3230
HDS2267

107' : 16103+3506
TDS9780

107' : 16117+3507
GRV 924

109' : 16193+3229
CRB 113

111' : 16045+3226
HJ 581

112' : 16073+3458
CBL 502



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.

16117+3321 STT 305 AB (HD 145802)

 
 
16h 11m 39.60s +33° 20' 33.8" P.A. 263.00 sep 5.7 mag 6.44,10.17 Sp K2III dist. 154.56 pc (504.17 l.y.)
 
 
Coord 2000 16117+3321 Discov num STT 305 Comp AB Coord arcsec 2000 16 11 39.60 +33 20 33.8
Date first 1843 Date last 2017 Obs 28
Pa first 261 Pa last 263 P.A. Now (θ) 263°
Sep first 4.7 Sep last 5.67 Sep. Now (ρ) 5.67"
Mag pri 6.44 Mag sec 10.17 delta mag (ΔM) 3.73 Spectral class K2III (yellow-orange)
Pri motion ra +006 Sec motion ra +005
Pri motion dec +013 Sec motion dec +014
Notes
rPM=0.095 (< 0.3, Physical double)
This double is physical.
 
 
16117+3321 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 145802 65129 16 11 40 +33 20 34 STT 305 AB 2017 28 263 5.7 6.44 10.17 3.73 <===
Show 65129 16 11 40 +33 20 34 STT 305 AC 1847 1 264 27.8 6.44 13.00 6.56
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 145802 Constellation Corona Borealis SAO 65129 HIP 79350
Tycho2 2576-02221-1 Gaia DR2 1322867214413070464 HD 145802 HR 6043
GC 21792 ADS 9958 BD BD+33 2696 Distance 154.56
Distance ly 504.17
 
 
WDS 16117+3321 STT 305 AB (HD 145802) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16117+3321 STT 305 AB 1991 20 263 5.6 6.44 10.17 K2III D 161139.60+332033.8
16117+3321 STT 305 AB 2009 21 264 5.4 6.44 10.17 K2III D 161139.60+332033.8
16117+3321 STT 305 AB 2010 24 268 5.0 6.44 10.17 K2III D 161139.60+332033.8
16117+3321 STT 305 AB 2015 26 265 5.5 6.44 10.17 K2III 161139.60+332033.8
16117+3321 STT 305 AB 2017 28 263 5.7 6.44 10.17 K2III 161139.60+332033.8

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

 
 
WDS 16117+3321 STT 305 AB (HD 145802) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16117+3321 STT 305 AB (HD 145802) : MEASURES
 
 
No records found.

 
 
WDS 16117+3321 (HD 145802) : VIRTUAL EYEPIECE
 
 

16117+3321 STT 305A mag 6.44 Sp K2III 16117+3321 STT 305B sep 4.8 P.A. 261.60 mag 10.17 16117+3321 STT 305C sep 23.3 P.A. 262.80 mag 13 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 16117+3321 (HD 145802) : ALADIN DSS IMAGE @ 16h 11m 39.60s +33° 20' 33.8"
 
 
 
 
WDS 16117+3321 STT 305 AB (HD 145802) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16117+3321 STT 305AB distance=0' 16116+3307 TDS9789 distance=14' 16121+3303 HU 1171 distance=19' 16147+3352 YSC 152Ea,Eb distance=39' 16147+3352 RAO 65EF distance=39' 16138+3354 SHN 211 distance=43' 16147+3352 STF2032BD distance=49' 16147+3352 STF2032AB distance=49' 16147+3352 STF2032AC distance=49' 16147+3352 STF2032AE distance=49' 16147+3352 STF2032AD distance=49' 16148+3239 UC 3141 distance=58' 16153+3238 SLW1168 distance=63' 16118+3424 STT 306 distance=64' 16072+3402 KPP3982 distance=69' 16172+3341 COU 980AB distance=72' 16172+3341 COU 980AC distance=72' 16072+3407 TDS9764 distance=73' 16067+3406 DEA 55 distance=78' 16118+3442 CVR 182 distance=82' 16120+3159 FMR 123 distance=82' 16135+3202 HDS2293AB distance=82' 16135+3202 GII 229Aa,Ab distance=82' 16152+3443 HDS2298 distance=94' 16193+3301 SLW1170 distance=99' 16097+3141 GRV 922 distance=103' 16043+3408 KPP3979 distance=104' 16181+3215 SHN 212 distance=104' 16145+3143 LDS4652 distance=105' 16043+3230 HDS2267 distance=106' 16103+3506 TDS9780 distance=107' 16117+3507 GRV 924 distance=107' 16193+3229 CRB 113 distance=109' 16045+3226 HJ 581 distance=111' 16073+3458 CBL 502 distance=112' 16140+3510 POP 103 distance=114' 16071+3507 HJ 582 distance=121' 16178+3148 HDS2303 distance=121' 16059+3500 LEP 77 distance=123' 16188+3154 HU 1172 distance=125' 16128+3116 CVR1661 distance=126' 16025+3217 TDS9738 distance=132' 16010+3318 S 676 distance=134' 16095+3108 COU 979 distance=136' 16224+3348 STFA 29AB distance=137' 16224+3348 H N 81AC distance=137' 16224+3348 STFA 29AD distance=137' 16224+3348 H 6 18BD distance=138' 16219+3229 KPP 369 distance=139' 16072+3536 KPP2512 distance=146' 16157+3538 HJ 585AB distance=147' 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 16117+3321 STT 305 AB 263 5.7
Show 16117+3321 STT 305 AC 264 27.8
Show 16116+3307 TDS9789 323 0.6 14
Show 16121+3303 HU 1171 305 1.1 19
Show 16147+3352 YSC 152 Ea,Eb 29 0.5 39
Show 16147+3352 RAO 65 EF 239 30.7 39
Show 16138+3354 SHN 211 -1 0.3 43
Show 16147+3352 STF2032 BD 81 102.0 49
Show 16147+3352 STF2032 AB 240 7.2 49
Show 16147+3352 STF2032 AC 91 27.7 49
Show 16147+3352 STF2032 AE 241 635.1 49
Show 16147+3352 STF2032 AD 82 95.3 49
Show 16148+3239 UC 3141 204 40.4 58
Show 16153+3238 SLW1168 74 23.4 63
Show 16118+3424 STT 306 2 0.2 64
Show 16072+3402 KPP3982 90 4.6 69
Show 16172+3341 COU 980 AB 340 0.5 72
Show 16172+3341 COU 980 AC 81 38.8 72
Show 16072+3407 TDS9764 50 0.4 73
Show 16067+3406 DEA 55 297 15.4 78
Show 16118+3442 CVR 182 85 44.8 82
Show 16120+3159 FMR 123 105 8.8 82
Show 16135+3202 HDS2293 AB 115 0.3 82
Show 16135+3202 GII 229 Aa,Ab 176 0.1 82
Show 16152+3443 HDS2298 165 0.4 94
Show 16193+3301 SLW1170 191 156.8 99
Show 16097+3141 GRV 922 126 51.5 103
Show 16043+3408 KPP3979 148 1.7 104
Show 16181+3215 SHN 212 -1 0.4 104
Show 16145+3143 LDS4652 24 19.4 105
Show 16043+3230 HDS2267 328 0.4 106
Show 16103+3506 TDS9780 47 0.9 107
Show 16117+3507 GRV 924 307 10.4 107
Show 16193+3229 CRB 113 83 23.5 109
Show 16045+3226 HJ 581 56 21.2 111
Show 16073+3458 CBL 502 169 67.1 112
Show 16140+3510 POP 103 52 3.9 114
Show 16071+3507 HJ 582 232 22.3 121
Show 16178+3148 HDS2303 128 0.2 121
Show 16059+3500 LEP 77 233 42.6 123
Show 16188+3154 HU 1172 328 1.7 125
Show 16128+3116 CVR1661 333 3.4 126
Show 16025+3217 TDS9738 294 1.2 132
Show 16010+3318 S 676 47 141.4 134
Show 16095+3108 COU 979 63 0.4 136
Show 16224+3348 STFA 29 AB 164 354.7 137
Show 16224+3348 H N 81 AC 241 68.1 137
Show 16224+3348 STFA 29 AD 153 277.2 137
Show 16224+3348 H 6 18 BD 16 98.7 138
Show 16219+3229 KPP 369 31 4.7 139
Show 16072+3536 KPP2512 296 22.6 146

 
 
WDS 16117+3321 : COMPONENTS
 
 
  A B
B pa=261.6°
sep=4.75"
 
C pa=262.8°
sep=23.30"
pa=263.1°
sep=18.55"
 
 
16117+3321 A
 
 
Name HD 145802 Coord arcsec 2000 161139.60+332033.8 Mag 6.44 Spectral class K2III (yellow-orange)
PmRA 6.00 PmDE 13.0 SAO 65129 HIP 79350
Tycho2 2576-02221-1 HD 145802 HR 6043 GC 21792
BD BD+33 2696
Tycho2
Tycho2 2576-02221-1 Pflag RAmdeg 242.91500092 DEmdeg 33.34276035
PmRA 5.9 PmDE 12.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.45 EpDEm 1991.61
Num 10 Q RAmdeg 2.2 Q DEmdeg 1.5 Q pmRA 2.3
Q pmDE 1.5 BTmag 7.932 E BTmag 0.015 VTmag 6.443
E VTmag 0.009 Prox 56 TYC T HIP 79350
CCDM A RAdeg 242.91498444 DEdeg 33.34273111 EpRA 1990 1.56
EpDE 1990 1.71 E RAdeg 3.8 E DEdeg 3.6 Posflg
Corr 0.0
SAO
SAO 65129 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 0.007 Vmag 6.4 SpType K0
Double code Source 70 CatNum 21792 DM BD+33 2696
DMcomp BDsup HD 145802 M HD 0
GC 21792 RA1950rad 4.2313334 DE1950rad 0.58416599 PmRA2000 0.0012
PmDE2000 0.01
Hipparcos
Catalog H HIP 79350 Proxy H RAhms 16 11 39.60
DEdms +33 20 33.8 Vmag 6.3 VarFlag R Vmag H
RAdeg 242.915 DEdeg 33.3427 AstroRef A Plx 6.33
CCDM 16117+3321 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 263 Rho 5.624 HD 145802 BD BD+33 2696
CD CP Dm number +33 2696 VIred 1.2
SpType K2III R SpType Coord arcsec 2000 161139.60+332033.8
Hipparcos 2
HIP 79350 Sn 15 So 3 Nc 2
RArad 4.2396662536 DErad 0.5819404114 Plx 6.47 PmRA 4.82
PmDE 13.63 E RArad 0.33 E DErad 0.38 E Plx 0.48
E pmRA 0.33 E pmDE 0.43 Hpmag 6.4576 E Hpmag 0.0008
SHp 0.008 VA 0 BV 1.228 E BV 0.006
VI 1.19
CCDM
Ccdm 16117+3321 RComp Comp A Note1
Note2 Discov num DRAs -2.31 DDEs -26.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.4 Sp K0 PmNote *
PmRA 11 PmDE 6 Dm number +33 2696 Cat1 BD
Name2 65129 Cat2 SAO HD 145802 M HD
ADS BDS A 9958 M ADS BDS N IDS IDS 16078N3336A
HIC 79350
 
 
16117+3321 B
 
 
Coord arcsec 2000 161139.22+332033.1 Mag 10.17 PmRA 5.00 PmDE 14.0
Calc delta mag 3.73 Calc coord yes
CCDM
Ccdm 16117+3321 RComp Comp B Note1
Note2 Discov num STT 305 DRAs DDEs
R dRAs Year 1852 Theta 263 Rho 5.4
Obs 11 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9958 M ADS BDS N IDS IDS 16078N3336B
HIC 79350
 
 
16117+3321 C
 
 
Coord arcsec 2000 161137.76+332030.9 Mag 13 Calc delta mag 6.56 Calc coord yes
CCDM
Ccdm 16117+3321 RComp Comp C Note1
Note2 Discov num STT 305 DRAs DDEs
R dRAs Year 1905 Theta 086 Rho 62.7
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9958 M ADS BDS N IDS IDS 16078N3336C
HIC