20077+0446 STF 2627 AB (HD 191028)

 
 
20h 07m 42.53s +04° 46' 28.6" P.A. 32.00 sep 2.0 mag 9.67,10.81 Sp A5
 
 
Coord 2000 20077+0446 Discov num STF2627 Comp AB Coord arcsec 2000 20 07 42.53 +04 46 28.6
Date first 1827 Date last 2015 Obs 20
Pa first 22 Pa last 32 P.A. Now (θ) 32°
Sep first 2.0 Sep last 1.976 Sep. Now (ρ) 1.976"
Mag pri 9.67 Mag sec 10.81 delta mag (ΔM) 1.14 Spectral class A5 (white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -024 Sec motion dec -028
Notes N (See Notes)
rPM=0.143 (< 0.3, Physical double)
This double is physical.
 
 
20077+0446 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 191028 125476 20 07 43 +04 46 29 STF 2627 AB 2015 20 32 2.0 9.67 10.81 1.14 <===
Show 125476 20 07 43 +04 46 29 STF 2627 AC 2015 16 261 82.2 9.67 7.70 1.97
Show 125476 20 07 43 +04 46 29 ARN 20 AD 2015 13 127 99.4 9.67 8.91 0.76
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191028 Constellation Aquila SAO 125476 Tycho2 0503-00932-1
Gaia DR2 4247794673759080704 HD 191028 GC 27923
 
 
WDS 20077+0446 STF 2627 AB (HD 191028) : NOTES
 
 
discov_num notes refcode
STF2627 C is BD+04@4349.
 
 
REFERENCES
 
 
refcode metd author reference
Arn2001 Mg j Arnold, D. 2001DSO.....7....4A
Arn2001 Double Star Observer 7, #4, 2001
Arn2002a Mg j Arnold, D. 2002DSO.....8....1A
Arn2002a Double Star Observer 8, #1, 2002
Arn2002b Mg - Arnold, D. 2002DSO.....8....3A
Arn2002b Double Star Observer 8, #3, 2002
Arn2002c Mg j Arnold, D. 2002DSO.....8....4A
Arn2002c Double Star Observer 8, #4, 2002
Arn2002d Mg j Arnold, D. 2002DSO.....8....5A
Arn2002d Double Star Observer 8, #5, 2002
Arn2003a Mg j Arnold, D. 2003DSO.....9....1A
Arn2003a Double Star Observer 9, #1, 2003
Arn2003b Mg j Arnold, D. 2003DSO.....9....3A
Arn2003b Double Star Observer 9, #3, 2003
Arn2003c Mg j Arnold, D. 2003DSO.....9....4A
Arn2003c Double Star Observer 9, #4, 2003
Arn2003d Mg j Arnold, D. 2003DSO.....9....5A
Arn2003d Double Star Observer 9, #5, 2003
Arn2003e Mg j Arnold, D. 2003DSO.....9....6A
Arn2003e Double Star Observer 9, #6, 2003
Arn2004a Mg j Arnold, D. 2004DSO....10....1A
Arn2004a Double Star Observer 10, #1, 2004
Arn2004b Mg j Arnold, D. 2004DSO....10....2A
Arn2004b Double Star Observer 10, #2, 2004
Arn2004c Mg j Arnold, D. 2004DSO....10....3A
Arn2004c Double Star Observer 10, #3, 2004
Arn2004d Mg j Arnold, D. 2004DSO....10....4A
Arn2004d Double Star Observer 10, #4, 2004
Arn2004e Mg j Arnold, D. 2004DSO....10....5A
Arn2004e Double Star Observer 10, #5, 2004
Arn2004f Mg j Arnold, D. 2004DSO....10....6A
Arn2004f Double Star Observer 10, #6, 2004
Arn2005a Mg j Arnold, D. 2005DSO....11....1A
Arn2005a Double Star Observer 11, #1, 2005
Arn2005b Mg j Arnold, D. 2005DSO....11....2A
Arn2005b Double Star Observer 11, #2, 2005
Arn2005c Mg j Arnold, D. 2005DSO....11....3A
Arn2005c Double Star Observer 11, #3, 2005
Arn2005d Mg j Arnold, D. 2005DSO....11....4A
Arn2005d Double Star Observer 11, #4, 2005
Arn2005e Mg j Arnold, D. 2005DSO....11....5A
Arn2005e Double Star Observer 11, #5, 2005
Arn2005f Mg j Arnold, D. 2005DSO....11....6A
Arn2005f Double Star Observer 11, #6, 2005
Arn2006a Mg j Arnold, D. 2006JDSO....2....6A
Arn2006a +C JDSO 2, 6, 2006
Arn2006b Mg j Arnold, D. 2006JDSO....2...13A
Arn2006b JDSO 2, 13, 2006
Arn2006c Mg j Arnold, D. 2006JDSO....2...54A
Arn2006c JDSO 2, 54, 2006
Arn2006d Mg j Arnold, D. 2006JDSO....2...61A
Arn2006d JDSO 2, 61, 2006
Arn2006e Mg j Arnold, D. 2006JDSO....2...79A
Arn2006e JDSO 2, 79, 2006
Arn2006f Mg j Arnold, D. 2006JDSO....2...87A
Arn2006f JDSO 2, 87, 2006
Arn2006g Mg j Arnold, D. 2006JDSO....2..163A
Arn2006g +C JDSO 2, 163, 2006
Arn2007a Mg j Arnold, D. 2007JDSO....3...27A
Arn2007a JDSO 3, 27, 2007
Arn2007b Mg j Arnold, D. 2007JDSO....3...55A
Arn2007b JDSO 3, 55, 2007
Arn2007c Mg j Arnold, D. 2007JDSO....3..119A
Arn2007c JDSO 3, 119, 2007
Arn2007d Mg j Arnold, D. 2007JDSO....3..139A
Arn2007d JDSO 3, 139, 2007
Arn2008a Mg j Arnold, D. 2008JDSO....4....2A
Arn2008a JDSO 4, 2, 2008
Arn2008b Mg j Arnold, D. 2008JDSO....4...66A
Arn2008b JDSO 4, 66, 2008
Arn2008c Mg j Arnold, D. 2008JDSO....4...91A
Arn2008c JDSO 4, 91, 2008
Arn2008d Mg j Arnold, D. 2008JDSO....4..136A
Arn2008d JDSO 4, 136, 2008
Arn2009a Mg j Arnold, D. 2009JDSO....5....2A
Arn2009a JDSO 5, 2, 2009
Arn2009b Mg j Arnold, D. 2009JDSO....5...94A
Arn2009b JDSO 5, 94, 2009
Arn2009c Mg j Arnold, D. 2009JDSO....5..129A
Arn2009c JDSO 5, 129, 2009
Arn2009d Mg j Arnold, D. 2009JDSO....5..182A
Arn2009d JDSO 5, 182, 2009
Arn2010a Mg j Arnold, D. 2010JDSO....6....5A
Arn2010a JDSO 6, 5, 2010
Arn2010b Mg j Arnold, D. 2010JDSO....6..141A
Arn2010b JDSO 6, 141, 2010
Arn2010c Mg j Arnold, D. 2010JDSO....6..170A
Arn2010c JDSO 6, 170, 2010
Arn2010d Mg j Arnold, D. 2010JDSO....6..301A
Arn2010d JDSO 6, 301, 2010
Arn2012a Mg j Arnold, D. 2012JDSO....8...32A
Arn2012a JDSO 8, 32, 2012
Arn2012b Mg - Arnold, D. 2012JDSO....8..176A
Arn2012b JDSO 8, 176, 2012
Arn2012c Mg j Arnold, D. 2012JDSO....8..226A
Arn2012c JDSO 8, 226, 2012
Arn2013a Mg j Arnold, D. 2013JDSO....9...10A
Arn2013a JDSO 9, 10, 2013
Arn2013b M j Arnold, D. 2013JDSO....9..100A
Arn2013b JDSO 9, 100, 2013
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
20077+0446 STF2627 AB 1991 18 36 1.9 9.67 10.81 A5 N 200742.53+044628.7
20077+0446 STF2627 AB 2009 19 33 2.0 9.67 10.81 A5 N 200742.53+044628.7
20077+0446 STF2627 AB 2015 20 32 2.0 9.67 10.81 A5 N 200742.53+044628.6

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

 
 
WDS 20077+0446 STF 2627 AB (HD 191028) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20077+0446 STF 2627 AB (HD 191028) : MEASURES
 
 
No records found.

 
 
WDS 20077+0446 (HD 191028) : VIRTUAL EYEPIECE
 
 

20077+0446 STF2627A mag 9.67 Sp A5 20077+0446 STF2627B sep 2.0 P.A. 31.90 mag 10.81 20077+0446 STF2627C sep 81.9 P.A. 260.60 mag 7.7 20077+0446 ARN  20D sep 99.2 P.A. 126.80 mag 8.91 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20077+0446 (HD 191028) : ALADIN DSS IMAGE @ 20h 07m 42.53s +04° 46' 28.6"
 
 
 
 
WDS 20077+0446 STF 2627 AB (HD 191028) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20077+0446  STF2627AB distance=0' 20064+0433  BAL2961 distance=24' 20094+0428  UC 4105 distance=31' 20057+0434  J   603 distance=33' 20058+0504  BAL2960 distance=34' 20053+0433  J  3206 distance=38' 20051+0435  HJ 2926 distance=42' 20049+0429  TDT1956 distance=46' 20106+0428  UC 4113 distance=48' 20041+0449  HJ 2925 distance=54' 20043+0425  A  2277 distance=55' 20113+0425  J  2300 distance=59' 20037+0513  GWP2919 distance=66' 20032+0444  HDS2860 distance=68' 20041+0404  J  2296 distance=69' 20051+0547  A   608 distance=72' 20077+0327  HJ 2930 distance=78' 20049+0554  HEI 578 distance=81' 20047+0555  HEI 577 distance=83' 20056+0330  NSN 728 distance=83' 20023+0512  J  1292AB distance=86' 20023+0512  J  1292AC distance=86' 20119+0348  STF2641 distance=86' 20135+0440  J   550 distance=87' 20104+0330  BAL2527 distance=87' 20114+0559  J  1339 distance=90' 20130+0533  TDT2094 distance=92' 20132+0526  J  1700 distance=93' 20139+0456  KPP 913 distance=94' 20117+0335  UC 4117 distance=94' 20051+0621  TDT1957 distance=102' 20084+0628  J   547 distance=103' 20065+0305  BAL2015 distance=103' 20042+0312  TDT1949 distance=108' 20025+0601  J  1294 distance=108' 20151+0459  KPP4187 distance=112' 20150+0519  GWP2930 distance=114' 20106+0632  LUH  15 distance=115' 20063+0639  J  1337 distance=116' 20004+0530  HJ 2919 distance=117' 20128+0318  BAL2529 distance=117' 20117+0629  TOB 307AB distance=119' 20117+0629  TOB 307AC distance=119' 20157+0440  A   386 distance=120' 20121+0306  HEI 581 distance=121' 20001+0405  KPP3351 distance=122' 20159+0419  TDT2129 distance=127' 20122+0255  BAL2019 distance=130' 20018+0311  HJ 2920 distance=131' 20001+0338  A  2393 distance=133' 20166+0507  BU   59 distance=134' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20077+0446 STF2627 AB 32 2.0
Show 20077+0446 STF2627 AC 261 82.2
Show 20077+0446 ARN 20 AD 127 99.4
Show 20064+0433 BAL2961 252 9.3 24
Show 20094+0428 UC 4105 342 31.1 31
Show 20057+0434 J 603 127 3.0 33
Show 20058+0504 BAL2960 316 19.7 34
Show 20053+0433 J 3206 110 5.8 38
Show 20051+0435 HJ 2926 346 17.9 42
Show 20049+0429 TDT1956 297 0.5 46
Show 20106+0428 UC 4113 45 43.8 48
Show 20041+0449 HJ 2925 243 31.0 54
Show 20043+0425 A 2277 349 1.8 55
Show 20113+0425 J 2300 300 4.1 59
Show 20037+0513 GWP2919 61 5.7 66
Show 20032+0444 HDS2860 342 0.2 68
Show 20041+0404 J 2296 283 8.8 69
Show 20051+0547 A 608 19 1.4 72
Show 20077+0327 HJ 2930 156 28.3 78
Show 20049+0554 HEI 578 20 6.2 81
Show 20047+0555 HEI 577 178 2.5 83
Show 20056+0330 NSN 728 127 8.0 83
Show 20023+0512 J 1292 AB 92 4.4 86
Show 20023+0512 J 1292 AC 59 26.5 86
Show 20119+0348 STF2641 168 20.7 86
Show 20135+0440 J 550 141 4.2 87
Show 20104+0330 BAL2527 197 6.1 87
Show 20114+0559 J 1339 13 2.6 90
Show 20130+0533 TDT2094 222 0.4 92
Show 20132+0526 J 1700 217 6.1 93
Show 20139+0456 KPP 913 169 7.5 94
Show 20117+0335 UC 4117 298 41.9 94
Show 20051+0621 TDT1957 234 0.8 102
Show 20084+0628 J 547 92 4.4 103
Show 20065+0305 BAL2015 346 12.4 103
Show 20042+0312 TDT1949 272 0.5 108
Show 20025+0601 J 1294 27 3.3 108
Show 20151+0459 KPP4187 70 2.7 112
Show 20150+0519 GWP2930 25 40.0 114
Show 20106+0632 LUH 15 6 143.5 115
Show 20063+0639 J 1337 114 2.7 116
Show 20004+0530 HJ 2919 344 11.4 117
Show 20128+0318 BAL2529 36 11.3 117
Show 20117+0629 TOB 307 AB 182 44.8 119
Show 20117+0629 TOB 307 AC 184 8.8 119
Show 20157+0440 A 386 83 2.8 120
Show 20121+0306 HEI 581 160 0.8 121
Show 20001+0405 KPP3351 280 1.9 122
Show 20159+0419 TDT2129 262 2.3 127
Show 20122+0255 BAL2019 46 6.0 130
Show 20018+0311 HJ 2920 165 7.4 131

 
 
WDS 20077+0446 : COMPONENTS
 
 
  A B C
B pa=31.9°
sep=1.97"
 
C pa=260.6°
sep=81.88"
pa=259.5°
sep=83.20"
 
D pa=126.8°
sep=99.16"
pa=127.9°
sep=99.35"
pa=106.0°
sep=166.65"
 
 
20077+0446 A
 
 
Name HD 191028 Coord arcsec 2000 200742.53+044628.6 Mag 9.67 Spectral class A5 (white)
PmRA 0.00 PmDE -24.0 SAO 125476 Tycho2 0503-00932-1
HD 191028 GC 27923 DM BD+04 4350
Tycho2
Tycho2 0503-00932-1 Pflag P RAmdeg 301.92723002 DEmdeg 4.77464768
PmRA -0.1 PmDE -27.8 E RAmdeg 16 E DEmdeg 15
E pmRA 1.9 E pmDE 1.8 EpRAm 1990.59 EpDEm 1990.68
Num 3 Q RAmdeg 0.9 Q DEmdeg 1.5 Q pmRA 0.9
Q pmDE 1.6 BTmag 10.029 E BTmag 0.027 VTmag 9.669
E VTmag 0.028 Prox 19 TYC T HIP
CCDM RAdeg 301.92719528 DEdeg 4.77466611 EpRA 1990 1.39
EpDE 1990 1.46 E RAdeg 16.4 E DEdeg 15.4 Posflg D
Corr -0.3
SAO
SAO 125476 DelFlag RA1950 PmRA1950 0.0029
DE1950 PmDE1950 -0.01 Vmag 9.4 SpType A5
Double code Source 70 CatNum 27923 DM BD+04 4350
DMcomp BDsup HD 191028 M HD 0
GC 27923 RA1950rad 5.25879082 DE1950rad 0.080791 PmRA2000 0.0031
PmDE2000 -0.012
CCDM
Ccdm 20077+0446 RComp Comp A Note1
Note2 Discov num DRAs 0.55 DDEs 29.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.9 Sp A5 PmNote *
PmRA 9 PmDE -4 Dm number +04 4350 Cat1 BD
Name2 +04 2676 Cat2 AGK2/3 HD 191028 M HD
ADS BDS A13399 M ADS BDS N IDS IDS 20027N0429A
HIC
 
 
20077+0446 B
 
 
Coord arcsec 2000 200742.60+044630.3 Mag 10.81 PmRA 0.00 PmDE -28.0
Tycho2 0503-00932-2 Calc delta mag 1.14 Calc coord yes
Tycho2
Tycho2 0503-00932-2 Pflag P RAmdeg 301.92723002 DEmdeg 4.77464768
PmRA -0.1 PmDE -27.8 E RAmdeg 16 E DEmdeg 15
E pmRA 1.9 E pmDE 1.8 EpRAm 1990.59 EpDEm 1990.68
Num 3 Q RAmdeg 0.9 Q DEmdeg 1.5 Q pmRA 0.9
Q pmDE 1.6 BTmag 11.658 E BTmag 0.083 VTmag 10.811
E VTmag 0.072 Prox 19 TYC HIP
CCDM RAdeg 301.92750639 DEdeg 4.77509000 EpRA 1990 1.38
EpDE 1990 1.47 E RAdeg 51.2 E DEdeg 47.6 Posflg D
Corr -0.3
CCDM
Ccdm 20077+0446 RComp Comp B Note1
Note2 Discov num STF2627 DRAs DDEs
R dRAs Year 1829 Theta 029 Rho 1.9
Obs 10 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13399 M ADS BDS N IDS IDS 20027N0429B
HIC
 
 
20077+0446 C
 
 
Coord arcsec 2000 200737.13+044615.2 Mag 7.7 PmRA -12.00 PmDE -30.0
SAO 125474 Tycho2 0503-01530-1 HD 191014 DM BD+04 4349
Calc delta mag 1.97 Calc coord yes
Tycho2
Tycho2 0503-01530-1 Pflag RAmdeg 301.90467521 DEmdeg 4.77095876
PmRA -12.1 PmDE -29.7 E RAmdeg 6 E DEmdeg 6
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.05 EpDEm 1990.99
Num 10 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.8 BTmag 9.556 E BTmag 0.022 VTmag 7.696
E VTmag 0.011 Prox 817 TYC T HIP
CCDM RAdeg 301.90470417 DEdeg 4.77103000 EpRA 1990 1.51
EpDE 1990 1.37 E RAdeg 5.8 E DEdeg 6.3 Posflg
Corr -0.3
SAO
SAO 125474 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.026 Vmag 8.3 SpType K2
Double code Source 30 CatNum 6994 DM BD+04 4349
DMcomp BDsup HD 191014 M HD 0
GC RA1950rad 5.25838998 DE1950rad 0.08073065 PmRA2000 0
PmDE2000 -0.029
CCDM
Ccdm 20077+0446 RComp Comp C Note1
Note2 Discov num STF2627 DRAs -4.80 DDEs 15.1
R dRAs 10 Year 1912 Theta 262 Rho 80.4
Obs 1 Vmag 7.9 Sp K2 PmNote *
PmRA 12 PmDE -29 Dm number +04 4349 Cat1 BD
Name2 +04 2674 Cat2 AGK2/3 HD 191014 M HD
ADS BDS A13399 M ADS BDS N IDS IDS 20027N0429C
HIC
 
 
20077+0446 D
 
 
Coord arcsec 2000 200747.84+044529.2 Mag 8.91 PmRA -8.00 PmDE -9.0
Tycho2 0503-01559-1 Calc delta mag 0.76 Calc coord yes
Tycho2
Tycho2 0503-01559-1 Pflag RAmdeg 301.94944331 DEmdeg 4.75805965
PmRA -6.6 PmDE -6.0 E RAmdeg 12 E DEmdeg 12
E pmRA 1.4 E pmDE 1.3 EpRAm 1989.98 EpDEm 1989.79
Num 8 Q RAmdeg 0.6 Q DEmdeg 1.1 Q pmRA 0.6
Q pmDE 1.1 BTmag 10.704 E BTmag 0.041 VTmag 8.906
E VTmag 0.016 Prox 997 TYC T HIP
CCDM RAdeg 301.94945889 DEdeg 4.75807361 EpRA 1990 1.44
EpDE 1990 1.40 E RAdeg 12.2 E DEdeg 12.2 Posflg
Corr -0.4