19551+3012 WAL 121 AD

 
 
19h 55m 06.50s +30° 11' 41.6" P.A. 145.00 sep 54.8 mag 6.63,12.21 Sp B6V dist. 262.47 pc (856.18 l.y.)
 
 
Coord 2000 19551+3012 Discov num WAL 121 Comp AD Coord arcsec 2000 19 55 06.50 +30 11 41.6
Date first 1944 Date last 2015 Obs 5
Pa first 160 Pa last 144.5 P.A. Now (θ) 144.5°
Sep first 50.0 Sep last 54.75 Sep. Now (ρ) 54.75"
Mag pri 6.63 Mag sec 12.21 delta mag (ΔM) 5.58 Spectral class B6V (blue-white)
Pri motion ra +003 Sec motion ra -004
Pri motion dec -004 Sec motion dec -005
Notes
rPM=1.104
This double is not physical.
 
 
19551+3012 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 188651 69079 19 55 06 +30 11 42 STT 390 AB 2015 33 22 9.6 6.63 9.50 2.87
Show 69079 19 55 06 +30 11 42 STT 390 AC 2015 17 176 15.8 6.63 11.23 4.60
Show 69079 19 55 06 +30 11 42 WAL 121 AD 2015 5 145 54.8 6.63 12.21 5.58 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69079 HIP 98017 Tycho2 2669-05015-1
Gaia DR2 2030389993316732288 HD 188651 HR 7607 ADS 13117
BD BD+29 3802 Distance 262.47 Distance ly 856.18
 
 
WDS 19551+3012 WAL 121 AD : 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)
Wal1934 Ma j Wallenquist, A. 1934AnBos...6....3W
Wal1934 Ann. Bosscha Obs. Lembang 6, Pt.2, 1934
Wal1944a Zw - Wallenquist, A. 1954MeUpp...85.....
Wal1944a Medd. Uppsala Obs. #85, 1944
Wal1944a (Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944a given for measures; default date = decade of publication added.)
Wal1944b Zw - Wallenquist, A. 1954MeUpp...87.....
Wal1944b Medd. Uppsala Obs. #87, 1944
Wal1944b (Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944b given for measures; default date = decade of publication added.)
Wal1947 Zw - Wallenquist, A. 1947UppAn...2....2W
Wal1947 Ann. Uppsala Astron. Obs. 2, No.2, 1947
Wal1947 (A catalogue containing results of the two prior series, plus additional measures
Wal1947 with the 14-inch refractor and wedge photometer)
Wal1948 Zw - Wallenquist, A. 1948UppAn...2....3W
Wal1948 Ann. Uppsala Astron Obs. 2, #3, 1948
Wal1948 (Visual measures of southern double stars made with 17-inch refractor of La Plata
Wal1948 and wedge photometer. No dates listed; default date = decade of publication added)
Wal1950 Zd - Wallenquist, A. 1950MeUpp..103.....
Wal1950 Medd. Uppsala Obs. #103, 1950
Wal1954 Zw - Wallenquist, A. 1954UppAn...4Q....W
Wal1954 Ann. Uppsala Astron Obs. 4, #2, 1954
Wal1954 ("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean
Wal1954 values from numerous sources)
Wal1958 Zw - Wallenquist, A. 1958MeUpp..118.....
Wal1958 Medd. Uppsala Obs. #118, 1958
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19551+3012 WAL 121 AD 1998 2 160 50.3 6.63 12.21 B6V D 195506.50+301141.6
19551+3012 WAL 121 AD 2013 3 145 55.3 6.63 12.21 B6V 195506.50+301141.6
19551+3012 WAL 121 AD 2015 4 145 54.8 6.63 12.21 B6V 195506.50+301141.6

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

 
 
WDS 19551+3012 WAL 121 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19551+3012 WAL 121 AD : MEASURES
 
 
No records found.

 
 
WDS 19551+3012 : VIRTUAL EYEPIECE
 
 

19551+3012 STT 390A mag 6.63 Sp B6V 19551+3012 STT 390B sep 9.4 P.A. 19.20 mag 9.5 Sp A5V 19551+3012 STT 390C sep 15.8 P.A. 176.90 mag 11.23 19551+3012 WAL 121D sep 52.4 P.A. 148.30 mag 12.21 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 19551+3012 : ALADIN DSS IMAGE @ 19h 55m 06.50s +30° 11' 41.6"
 
 
 
 
WDS 19551+3012 WAL 121 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19551+3012 WAL 121AD distance=0' 19553+3011 J 781AB distance=3' 19553+3011 J 781AC distance=3' 19553+3011 J 781BC distance=3' 19558+3019 BRT 272AB distance=12' 19558+3019 FYM 311AC distance=12' 19557+3020 BRT 271 distance=12' 19544+3001 AG 393 distance=14' 19536+3017 HJ 1450 distance=21' 19559+2950 BRT 45 distance=25' 19551+3041 GRF 13AB distance=30' 19551+3041 GRF 13AC distance=30' 19544+3042 TDT1841 distance=32' 19553+2939 TDT1848 distance=33' 19572+2949 LSC 158 distance=36' 19554+2935 TDT1851 distance=37' 19556+2933 TDT1854 distance=40' 19553+2929 TDT1849 distance=43' 19588+3025 TDS1030 distance=50' 19530+2925 TDT1824 distance=54' 19534+2923 J 25 distance=54' 19558+2918 TDT1857 distance=55' 19594+3029 COU1471 distance=59' 19571+3105 AG 243 distance=59' 19522+2925 WSI 14 distance=61' 19522+2924 WSI 13AB distance=61' 19532+2917 MLB 700 distance=61' 19522+2924 WSI 13BC distance=61' 19522+2924 MLB 699DE distance=61' 19520+2925 MLB 657 distance=61' 19566+2913 COU1470 distance=62' 19521+2925 WSI 12 distance=62' 19521+2923 MLB 658 distance=62' 19574+3106 DOB 12 distance=63' 19579+2922 TDT1883 distance=63' 19586+3059 YR 15 distance=66' 19501+3017 TDT1787 distance=66' 19502+3027 HJ 1441AB distance=66' 19502+3027 HJ 1441AC distance=66' 19521+2918 OSO 113AB distance=67' 19521+2918 OSO 113AC distance=67' 19521+2918 OSO 113AD distance=67' 19521+2918 OSO 113AE distance=67' 19521+2918 OSO 113AF distance=67' 19521+2918 OSO 113AG distance=67' 19521+2918 OSO 113AH distance=67' 19521+2918 OSO 113AI distance=67' 19521+2918 OSO 113AJ distance=67' 19521+2918 OSO 113AK distance=67' 19521+2918 OSO 113AL distance=67' 19521+2918 OSO 113AM distance=67' 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 19551+3012 STT 390 AB 22 9.6
Show 19551+3012 STT 390 AC 176 15.8
Show 19551+3012 WAL 121 AD 145 54.8
Show 19553+3011 J 781 AB 126 2.9 3
Show 19553+3011 J 781 AC 99 10.2 3
Show 19553+3011 J 781 BC 89 7.6 3
Show 19558+3019 BRT 272 AB 84 3.2 12
Show 19558+3019 FYM 311 AC 187 17.4 12
Show 19557+3020 BRT 271 32 4.3 12
Show 19544+3001 AG 393 201 2.1 14
Show 19536+3017 HJ 1450 254 8.6 21
Show 19559+2950 BRT 45 118 3.1 25
Show 19551+3041 GRF 13 AB 194 104.9 30
Show 19551+3041 GRF 13 AC 119 92.6 30
Show 19544+3042 TDT1841 168 0.9 32
Show 19553+2939 TDT1848 359 0.5 33
Show 19572+2949 LSC 158 73 0.4 36
Show 19554+2935 TDT1851 134 2.0 37
Show 19556+2933 TDT1854 11 0.9 40
Show 19553+2929 TDT1849 239 1.5 43
Show 19588+3025 TDS1030 133 1.5 50
Show 19530+2925 TDT1824 95 1.2 54
Show 19534+2923 J 25 12 1.7 54
Show 19558+2918 TDT1857 20 1.5 55
Show 19594+3029 COU1471 171 0.4 59
Show 19571+3105 AG 243 259 44.4 59
Show 19522+2925 WSI 14 345 8.7 61
Show 19522+2924 WSI 13 AB 260 15.1 61
Show 19532+2917 MLB 700 318 3.8 61
Show 19522+2924 WSI 13 BC 160 12.3 61
Show 19522+2924 MLB 699 DE 354 2.3 61
Show 19520+2925 MLB 657 41 3.5 61
Show 19566+2913 COU1470 238 0.4 62
Show 19521+2925 WSI 12 74 10.9 62
Show 19521+2923 MLB 658 115 2.4 62
Show 19574+3106 DOB 12 93 44.8 63
Show 19579+2922 TDT1883 313 1.5 63
Show 19586+3059 YR 15 8 0.2 66
Show 19501+3017 TDT1787 337 2.1 66
Show 19502+3027 HJ 1441 AB 37 14.8 66
Show 19502+3027 HJ 1441 AC 192 28.6 66
Show 19521+2918 OSO 113 AB 133 4.1 67
Show 19521+2918 OSO 113 AC 35 6.5 67
Show 19521+2918 OSO 113 AD 255 9.2 67
Show 19521+2918 OSO 113 AE 106 9.9 67
Show 19521+2918 OSO 113 AF 251 10.3 67
Show 19521+2918 OSO 113 AG 311 12.8 67
Show 19521+2918 OSO 113 AH 231 13.1 67
Show 19521+2918 OSO 113 AI 142 13.4 67
Show 19521+2918 OSO 113 AJ 178 13.9 67
Show 19521+2918 OSO 113 AK 264 14.7 67

 
 
WDS 19551+3012 : COMPONENTS
 
 
  A B C
B pa=19.2°
sep=9.39"
 
C pa=176.9°
sep=15.82"
pa=185.2°
sep=24.76"
 
D pa=148.3°
sep=52.36"
pa=155.5°
sep=58.74"
pa=137.2°
sep=39.20"
 
 
19551+3012 A
 
 
Name HD 188651 Coord arcsec 2000 195506.50+301141.6 Mag 6.63 Spectral class B6V (blue-white)
PmRA 5.00 PmDE 1.0 SAO 69079 HIP 98017
Tycho2 2669-05015-1 HD 188651 HR 7607 GC 27592
BD BD+29 3802
Tycho2
Tycho2 2669-05015-1 Pflag RAmdeg 298.77708761 DEmdeg 30.19488867
PmRA 3.2 PmDE -3.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.8 E pmDE 1.6 EpRAm 1991.50 EpDEm 1991.65
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.1 BTmag 6.519 E BTmag 0.014 VTmag 6.631
E VTmag 0.009 Prox 96 TYC T HIP 98017
CCDM A RAdeg 298.77707861 DEdeg 30.19489694 EpRA 1990 1.55
EpDE 1990 1.72 E RAdeg 3.6 E DEdeg 3.5 Posflg
Corr 0.2
SAO
SAO 69079 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 0.019 Vmag 6.4 SpType B9
Double code Source 70 CatNum 27592 DM BD+29 3802
DMcomp BDsup HD 188651 M HD 0
GC 27592 RA1950rad 5.20593753 DE1950rad 0.52468415 PmRA2000 0.0009
PmDE2000 0.017
Hipparcos
Catalog H HIP 98017 Proxy H RAhms 19 55 06.50
DEdms +30 11 41.6 Vmag 6.58 VarFlag R Vmag H
RAdeg 298.777 DEdeg 30.1949 AstroRef A Plx 4.39
CCDM 19551+3012 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 22 Rho 9.579 HD 188651 BD BD+29 3802
CD CP Dm number +29 3802 VIred -0.08
SpType B6V R SpType Coord arcsec 2000 195506.50+301141.6
Hipparcos 2
HIP 98017 Sn 15 So 3 Nc 2
RArad 5.2146437323 DErad 0.5270003553 Plx 3.81 PmRA 6.54
PmDE 1.04 E RArad 0.35 E DErad 0.42 E Plx 0.59
E pmRA 0.46 E pmDE 0.51 Hpmag 6.5606 E Hpmag 0.0008
SHp 0.009 VA 0 BV -0.081 E BV 0.004
VI -0.06
CCDM
Ccdm 19551+3012 RComp Comp A Note1
Note2 Discov num DRAs 0.54 DDEs -16.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.5 Sp B9 PmNote *
PmRA 10 PmDE 20 Dm number +29 3802 Cat1 BD
Name2 69079 Cat2 SAO HD 188651 M HD
ADS BDS A13117 M ADS BDS N IDS IDS 19511N2956A
HIC 98017
 
 
19551+3012 B
 
 
Coord arcsec 2000 195506.74+301150.5 Mag 9.5 Spectral class A5V (white) PmRA 5.00
PmDE 1.0 Calc delta mag 2.87 Calc coord yes
CCDM
Ccdm 19551+3012 RComp Comp B Note1
Note2 Discov num STT 390 DRAs DDEs
R dRAs Year 1849 Theta 022 Rho 9.7
Obs 9 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13117 M ADS BDS N IDS IDS 19511N2956B
HIC 98017
 
 
19551+3012 C
 
 
Coord arcsec 2000 195506.57+301125.8 Mag 11.23 Calc delta mag 4.6 Calc coord yes
CCDM
Ccdm 19551+3012 RComp Comp C Note1
Note2 Discov num STT 390 DRAs DDEs
R dRAs Year 1849 Theta 175 Rho 16.4
Obs 7 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13117 M ADS BDS N IDS IDS 19511N2956C
HIC
 
 
19551+3012 D
 
 
Coord arcsec 2000 195508.62+301057.0 Mag 12.21 PmRA -4.00 PmDE -5.0
Calc delta mag 5.58 Calc coord yes