stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20377+3322
STF 2705 AB
HD 196673


Nearby doubles
11' : 20369+3321
TDT2423

25' : 20359+3331
ES 2355

32' : 20353+3313
GRV 359

35' : 20350+3323
HJ 1543

36' : 20354+3301
KPP2661

39' : 20402+3258
GRV 367

41' : 20350+3259
HJ 1542

41' : 20346+3334
GRV 356AB

41' : 20359+3356
GRV 360

43' : 20410+3315
GYL 38

43' : 20344+3328
HEI 181

51' : 20355+3241
COU1632

51' : 20341+3344
TDT2381

52' : 20349+3358
SEI1173

52' : 20338+3312
J 190AB

52' : 20338+3336
HJ 1538

55' : 20339+3258
GYL 36

56' : 20333+3323
HJ 1535AB

58' : 20332+3324
SEI1162

59' : 20378+3224
ARY 48

61' : 20420+3349
UC 253

61' : 20424+3405
ES 2309

64' : 20422+3254
RAO 441

64' : 20347+3230
STF2700

66' : 20371+3217
STN 51

66' : 20334+3246
TDS1081



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.

20377+3322 STF 2705 AB (HD 196673)

 
 
20h 37m 44.32s +33° 21' 59.4" P.A. 264.00 sep 3.1 mag 7.48,8.54 Sp K0IIb dist. 595.24 pc (1941.67 l.y.)
 
 
Coord 2000 20377+3322 Discov num STF2705 Comp AB Coord arcsec 2000 20 37 44.32 +33 21 59.4
Date first 1828 Date last 2019 Obs 77
Pa first 263 Pa last 263.5 P.A. Now (θ) 263.5°
Sep first 2.5 Sep last 3.11 Sep. Now (ρ) 3.11"
Mag pri 7.48 Mag sec 8.54 delta mag (ΔM) 1.06 Spectral class K0IIb (yellow-orange)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -005 Sec motion dec -005
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20377+3322 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 196673 70300 20 37 44 +33 21 59 STF 2705 AB 2019 77 264 3.1 7.48 8.54 1.06 <===
Show 70300 20 37 44 +33 21 59 STF 2705 AC 2015 9 341 183.4 7.48 12.59 5.11
Show 70300 20 37 44 +33 21 59 STF 2705 AD 2015 4 3 54.5 7.48 12.93 5.45
Show 70300 20 37 44 +33 21 59 STF 2705 AE 2015 7 42 74.2 7.48 12.42 4.94
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 196673 Constellation Cygnus SAO 70300 HIP 101788
Tycho2 2690-01643-1 Gaia DR2 1863957811531587840 HD 196673 GC 28724
BD BD+32 3883 Distance 595.24 Distance ly 1941.67
 
 
WDS 20377+3322 STF 2705 AB (HD 196673) : NOTES
 
 
discov_num notes refcode
STF2705 Spectrum: K0IIb/IIIBa0.2.
 
 
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
20377+3322 STF2705 AB 2008 80 262 3.0 7.48 8.54 N 203744.32+332159.4
20377+3322 STF2705 AB 2009 83 261 3.4 7.48 8.54 N 203744.32+332159.4
20377+3322 STF2705 AB 2012 85 262 3.1 7.48 8.54 N 203744.32+332159.4
20377+3322 STF2705 AB 2014 73 261 3.2 7.48 8.54 K0IIb N 203744.32+332159.4
20377+3322 STF2705 AB 2015 74 262 3.1 7.48 8.54 K0IIb N 203744.32+332159.4
20377+3322 STF2705 AB 2019 76 264 3.1 7.48 8.54 K0IIb N 203744.32+332159.4

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

 
 
WDS 20377+3322 STF 2705 AB (HD 196673) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20377+3322 STF 2705 AB (HD 196673) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 12/07/08 northisup easy 4.00   262.00   1.00 1 k spectral class
 
 
WDS 20377+3322 (HD 196673) : VIRTUAL EYEPIECE
 
 

20377+3322 STF2705A mag 7.48 Sp K0IIb 20377+3322 STF2705B sep 2.6 P.A. 262.20 mag 8.54 20377+3322 STF2705C sep 180.3 P.A. 343.60 mag 12.59 20377+3322 STF2705D sep 54.5 P.A. 2.20 mag 12.93 20377+3322 STF2705E sep 69.0 P.A. 36.90 mag 12.42 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 20377+3322 (HD 196673) : ALADIN DSS IMAGE @ 20h 37m 44.32s +33° 21' 59.4"
 
 
 
 
WDS 20377+3322 STF 2705 AB (HD 196673) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20377+3322 STF2705AB distance=0' 20369+3321 TDT2423 distance=11' 20359+3331 ES 2355 distance=25' 20353+3313 GRV 359 distance=32' 20350+3323 HJ 1543 distance=35' 20354+3301 KPP2661 distance=36' 20402+3258 GRV 367 distance=39' 20350+3259 HJ 1542 distance=41' 20346+3334 GRV 356AB distance=41' 20346+3334 GRV 356AC distance=41' 20359+3356 GRV 360 distance=41' 20410+3315 GYL 38 distance=43' 20344+3328 HEI 181 distance=43' 20355+3241 COU1632 distance=51' 20341+3344 TDT2381 distance=51' 20349+3358 SEI1173 distance=52' 20338+3312 J 190AB distance=52' 20338+3312 J 190AC distance=52' 20338+3336 HJ 1538 distance=52' 20339+3258 GYL 36 distance=55' 20333+3323 HJ 1535AB distance=56' 20333+3323 HJ 1535AC distance=56' 20333+3323 HJ 1535AD distance=56' 20333+3323 RAO 71AE distance=56' 20333+3323 RBR 30Ba,Bb distance=56' 20332+3324 SEI1162 distance=58' 20378+3224 ARY 48 distance=59' 20420+3349 UC 253 distance=61' 20424+3405 ES 2309 distance=61' 20422+3254 RAO 441 distance=64' 20347+3230 STF2700 distance=64' 20371+3217 STN 51 distance=66' 20334+3246 TDS1081 distance=66' 20361+3426 ES 2308 distance=67' 20350+3419 J 791AB distance=68' 20350+3419 J 791AC distance=68' 20384+3215 TDT2445 distance=68' 20432+3350 HDS2949 distance=75' 20366+3209 TDT2417 distance=75' 20356+3432 J 792 distance=76' 20435+3302 GRV 372 distance=76' 20410+3218 BNU 7Aa,Ab distance=76' 20410+3218 STF2716AB distance=76' 20410+3218 STF2716AC distance=76' 20312+3332 J 1113 distance=77' 20437+3332 GRV 373 distance=77' 20407+3431 TDT2466 distance=79' 20348+3212 TDT2392 distance=80' 20315+3347 LAF 62AB distance=82' 20315+3347 LAF 62AC distance=82' 20315+3347 LAF 62AD distance=82' 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 20377+3322 STF2705 AB 264 3.1
Show 20377+3322 STF2705 AC 341 183.4
Show 20377+3322 STF2705 AD 3 54.5
Show 20377+3322 STF2705 AE 42 74.2
Show 20369+3321 TDT2423 183 0.5 11
Show 20359+3331 ES 2355 350 1.8 25
Show 20353+3313 GRV 359 191 73.4 32
Show 20350+3323 HJ 1543 26 16.5 35
Show 20354+3301 KPP2661 306 24.9 36
Show 20402+3258 GRV 367 298 38.3 39
Show 20350+3259 HJ 1542 230 16.1 41
Show 20346+3334 GRV 356 AB 26 44.7 41
Show 20346+3334 GRV 356 AC 154 47.0 41
Show 20359+3356 GRV 360 97 16.3 41
Show 20410+3315 GYL 38 274 17.5 43
Show 20344+3328 HEI 181 4 4.1 43
Show 20355+3241 COU1632 254 0.6 51
Show 20341+3344 TDT2381 156 1.9 51
Show 20349+3358 SEI1173 295 4.6 52
Show 20338+3312 J 190 AB 337 3.1 52
Show 20338+3312 J 190 AC 105 9.1 52
Show 20338+3336 HJ 1538 122 5.5 52
Show 20339+3258 GYL 36 152 20.9 55
Show 20333+3323 HJ 1535 AB 246 17.2 56
Show 20333+3323 HJ 1535 AC 194 31.9 56
Show 20333+3323 HJ 1535 AD 230 59.1 56
Show 20333+3323 RAO 71 AE 225 12.5 56
Show 20333+3323 RBR 30 Ba,Bb 308 0.2 56
Show 20332+3324 SEI1162 90 20.2 58
Show 20378+3224 ARY 48 41 53.3 59
Show 20420+3349 UC 253 203 42.7 61
Show 20424+3405 ES 2309 168 4.1 61
Show 20422+3254 RAO 441 43 3.2 64
Show 20347+3230 STF2700 284 24.1 64
Show 20371+3217 STN 51 269 32.6 66
Show 20334+3246 TDS1081 140 1.2 66
Show 20361+3426 ES 2308 246 7.5 67
Show 20350+3419 J 791 AB 181 3.7 68
Show 20350+3419 J 791 AC 229 18.2 68
Show 20384+3215 TDT2445 224 2.5 68
Show 20432+3350 HDS2949 166 0.9 75
Show 20366+3209 TDT2417 18 1.1 75
Show 20356+3432 J 792 321 3.4 76
Show 20435+3302 GRV 372 109 17.3 76
Show 20410+3218 BNU 7 Aa,Ab 19 0.2 76
Show 20410+3218 STF2716 AB 45 2.8 76
Show 20410+3218 STF2716 AC 93 67.1 76
Show 20312+3332 J 1113 55 3.1 77
Show 20437+3332 GRV 373 178 26.2 77
Show 20407+3431 TDT2466 20 0.6 79
Show 20348+3212 TDT2392 121 0.6 80

 
 
WDS 20377+3322 : COMPONENTS
 
 
  A B C D
B pa=262.2°
sep=2.60"
 
C pa=343.6°
sep=180.27"
pa=344.4°
sep=179.90"
 
D pa=2.2°
sep=54.53"
pa=4.8°
sep=55.04"
pa=155.9°
sep=129.74"
 
E pa=36.9°
sep=68.96"
pa=38.4°
sep=70.82"
pa=141.9°
sep=149.67"
pa=89.1°
sep=39.38"
 
 
20377+3322 A
 
 
Name HD 196673 Coord arcsec 2000 203744.32+332159.4 Mag 7.48 Spectral class K0IIb (yellow-orange)
PmRA 4.00 PmDE -5.0 SAO 70300 HIP 101788
Tycho2 2690-01643-1 HD 196673 GC 28724 BD BD+32 3883
Tycho2
Tycho2 2690-01643-1 Pflag P RAmdeg 309.43446270 DEmdeg 33.36647435
PmRA 6.1 PmDE -4.8 E RAmdeg 6 E DEmdeg 5
E pmRA 1.7 E pmDE 1.5 EpRAm 1991.53 EpDEm 1991.73
Num 6 Q RAmdeg 2.5 Q DEmdeg 1.0 Q pmRA 2.5
Q pmDE 1.1 BTmag 8.862 E BTmag 0.017 VTmag 7.481
E VTmag 0.011 Prox 31 TYC T HIP 101788
CCDM A RAdeg 309.43467500 DEdeg 33.36651361 EpRA 1990 1.67
EpDE 1990 1.85 E RAdeg 6.0 E DEdeg 4.8 Posflg
Corr 0.3
SAO
SAO 70300 DelFlag RA1950 PmRA1950 0.0021
DE1950 PmDE1950 0.015 Vmag 7.4 SpType K0
Double code Source 70 CatNum 28724 DM BD+32 3883
DMcomp BDsup HD 196673 M HD 0
GC 28724 RA1950rad 5.39194847 DE1950rad 0.57929161 PmRA2000 0.0023
PmDE2000 0.013
Hipparcos
Catalog H HIP 101788 Proxy H RAhms 20 37 44.32
DEdms +33 21 59.4 Vmag 6.97 VarFlag R Vmag G
RAdeg 309.435 DEdeg 33.3665 AstroRef A Plx 2.76
CCDM 20377+3322 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 262 Rho 3.127 HD 196673 BD BD+32 3883
CD CP Dm number +32 3883 VIred 1.07
SpType K0 R SpType Coord arcsec 2000 203744.32+332159.4
Hipparcos 2
HIP 101788 Sn 15 So 3 Nc 2
RArad 5.4006538926 DErad 0.5823553746 Plx 1.68 PmRA 3.36
PmDE -5.38 E RArad 0.47 E DErad 0.44 E Plx 0.61
E pmRA 0.57 E pmDE 0.45 Hpmag 7.1193 E Hpmag 0.0012
SHp 0.011 VA 0 BV 1.112 E BV 0.01
VI 1.07
CCDM
Ccdm 20377+3322 RComp Comp A Note1
Note2 Discov num DRAs 2.51 DDEs 1.3
R dRAs 10 Year Theta Rho
Obs 5 Vmag 7.4 Sp K0 PmNote *
PmRA 25 PmDE 15 Dm number +32 3883 Cat1 BD
Name2 70300 Cat2 SAO HD 196673 M HD
ADS BDS A14078 M ADS BDS N IDS IDS 20338N3301A
HIC 101788
 
 
20377+3322 B
 
 
Coord arcsec 2000 203744.11+332159.0 Mag 8.54 PmRA 4.00 PmDE -5.0
Tycho2 2690-01643-2 Calc delta mag 1.06 Calc coord yes
Tycho2
Tycho2 2690-01643-2 Pflag P RAmdeg 309.43446270 DEmdeg 33.36647435
PmRA 6.1 PmDE -4.8 E RAmdeg 6 E DEmdeg 5
E pmRA 1.7 E pmDE 1.5 EpRAm 1991.53 EpDEm 1991.73
Num 6 Q RAmdeg 2.5 Q DEmdeg 1.0 Q pmRA 2.5
Q pmDE 1.1 BTmag 9.743 E BTmag 0.023 VTmag 8.538
E VTmag 0.013 Prox 31 TYC HIP 101788
CCDM B RAdeg 309.43364583 DEdeg 33.36638528 EpRA 1990 1.64
EpDE 1990 1.84 E RAdeg 9.9 E DEdeg 7.3 Posflg
Corr 0.3
CCDM
Ccdm 20377+3322 RComp Comp B Note1
Note2 Discov num STF2705 DRAs DDEs
R dRAs Year 1831 Theta 261 Rho 3.1
Obs 21 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14078 M ADS BDS N IDS IDS 20338N3301B
HIC 101788
 
 
20377+3322 C
 
 
Coord arcsec 2000 203740.26+332452.3 Mag 12.59 PmRA 0.00 PmDE -5.0
Tycho2 2690-00793-1 Calc delta mag 5.11 Calc coord yes
Tycho2
Tycho2 2690-00793-1 Pflag RAmdeg 309.41444518 DEmdeg 33.41458638
PmRA -3.3 PmDE -0.6 E RAmdeg 75 E DEmdeg 73
E pmRA 2.7 E pmDE 2.6 EpRAm 1979.79 EpDEm 1979.95
Num 4 Q RAmdeg 0.3 Q DEmdeg 2.3 Q pmRA 0.3
Q pmDE 2.2 BTmag 12.612 E BTmag 0.173 VTmag 12.595
E VTmag 0.199 Prox 999 TYC HIP
CCDM RAdeg 309.41445528 DEdeg 33.41458667 EpRA 1990 1.74
EpDE 1990 1.87 E RAdeg 81.7 E DEdeg 79.7 Posflg
Corr 0.1
CCDM
Ccdm 20377+3322 RComp Comp C Note1
Note2 Discov num STF2705 DRAs DDEs
R dRAs Year 1880 Theta 341 Rho 183.0
Obs 2 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14078 M ADS BDS N IDS IDS 20338N3301C
HIC
 
 
20377+3322 D
 
 
Coord arcsec 2000 203744.48+332253.9 Mag 12.93 PmRA 0.00 PmDE 6.0
Calc delta mag 5.45 Calc coord yes
CCDM
Ccdm 20377+3322 RComp Comp D Note1
Note2 Discov num STF2705 DRAs DDEs
R dRAs Year 1953 Theta 003 Rho 53.8
Obs 1 Vmag 12.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14078 M ADS BDS N IDS IDS 20338N3301D
HIC
 
 
20377+3322 E
 
 
Coord arcsec 2000 203747.63+332254.5 Mag 12.42 PmRA -2.00 PmDE -12.0
Calc delta mag 4.94 Calc coord yes
CCDM
Ccdm 20377+3322 RComp Comp E Note1
Note2 Discov num STF2705 DRAs DDEs
R dRAs Year 1953 Theta 042 Rho 74.7
Obs 1 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14078 M ADS BDS N IDS IDS 20338N3301E
HIC