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Doubles in session


Current system
21128+3907
SEI 1447


Nearby doubles
6' : 21132+3904
TDT2833AB

9' : 21126+3915
MLB 893

10' : 21130+3858
ES 257

14' : 21130+3854
GUR 15

21' : 21126+3846
COU2136

22' : 21112+3855
ES 1991

23' : 21110+3859
GUR 5

23' : 21111+3918
MLB 892

24' : 21108+3906
GUR 4

25' : 21148+3901
ALI 966

25' : 21110+3919
MLB 891

26' : 21112+3925
COU1969

27' : 21118+3931
ES 1992

31' : 21148+3847
GUR 25

31' : 21146+3844
GUR 22

31' : 21154+3902
SEI1477

31' : 21113+3841
GUR 7AB

31' : 21114+3840
GUR 8

32' : 21149+3847
GUR 27

32' : 21105+3851
SEI1429

32' : 21139+3838
GUR 19

32' : 21154+3912
MLB 894

33' : 21133+3835
SMA 140

33' : 21149+3844
GUR 26AB

33' : 21125+3834
SEI1445

35' : 21102+3923
ALI 963



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.

21128+3907 SEI 1447

 
 
21h 12m 48.41s +39° 06' 40.7" P.A. 151.00 sep 13.3 mag 9.34,12.00 Sp A5
 
 
Coord 2000 21128+3907 Discov num SEI1447 Comp Coord arcsec 2000 21 12 48.41 +39 06 40.7
Date first 1895 Date last 2014 Obs 12
Pa first 153 Pa last 151 P.A. Now (θ) 151°
Sep first 13.5 Sep last 13.254 Sep. Now (ρ) 13.254"
Mag pri 9.34 Mag sec 12.00 delta mag (ΔM) 2.66 Spectral class A5 (white)
Pri motion ra +010 Sec motion ra +012
Pri motion dec -004 Sec motion dec -004
Notes N (See Notes)
rPM=0.158 (< 0.3, Physical double)
This double is physical.
 
 
21128+3907 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 12 48 +39 06 41 GUR 13 Aa,Ab 2012 1 44 0.5 9.29
Show 21 12 48 +39 06 41 SEI 1447 2014 12 151 13.3 9.34 12.00 2.66 <===
Quadruple system
0 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3169-03877-1 Gaia DR2 1968108397638842368
 
 
WDS 21128+3907 SEI 1447 : NOTES
 
 
discov_num notes refcode
SEI1447 ALI 965.
 
 
REFERENCES
 
 
refcode metd author reference
Gur2014 S j Guerrero, C.A., Orlov, V.G., Monroy-Rodriguez, M.A., & Voitsekhovich, V.V. 2014AJ....147...28G
Gur2014 AJ 147, 28, 2014
Gur2015 S j Guerrero, C.A., Orlov, V.G., Monroy-Rodriguez, M.A., & Borges Fernandes, M. 2015AJ....150...16G
Gur2015 AJ 150, 16, 2015
Gur2018 S+ j Guerrero, C.A., Orlov, V.G., Borges Fernandes, M. & Angeles, F. 2018MNRAS.475.1725G
Gur2018 +orb MNRAS 475, 1725, 2018
Gur2020 S+ j Guerrero, C.A., Rosales-Ortega, F.F., Escobedo, G., Martinez, J., Castillo, E., 2020MNRAS.495..806G
Gur2020 +orb Garcia-Flores, P. & Nieto-Suarez, M.A.
Gur2020 MNRAS 495, 806, 2020
Gur2021 S+ j Guerrero, C.A., Zepeda, C.E., Souza, T.B., Najera, M.R., Borges Fernandes, M., 2021AJ....161..253G
Gur2021 +orb Hernandez-Aguila, J.B., Carvajal, J.C., Castro-Chacon, J.H., Hernandez-Valencia, B.,
Gur2021 +not Reyes-Ruiz, M., Sanchez, E. & Silva, J.S.
Gur2021 AJ 161, 253, 2021
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A 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
21128+3907 SEI1447 1998 6 151 13.4 9.34 12.00 A5 N D 211248.41+390640.7
21128+3907 SEI1447 2002 7 151 13.2 9.34 12.00 A5 N D 211248.41+390640.7
21128+3907 SEI1447 2012 8 152 13.2 9.34 12.00 A5 N 211248.41+390640.7
21128+3907 SEI1447 2014 12 151 13.3 9.34 12.00 A5 N 211248.41+390640.7

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

 
 
WDS 21128+3907 SEI 1447 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21128+3907 SEI 1447 : MEASURES
 
 
No records found.

 
 
WDS 21128+3907 : VIRTUAL EYEPIECE
 
 

21128+3907 SEI1447A mag 9.34 Sp A5 21128+3907 GUR 13Ab sep 0.5 P.A. 36.80 21128+3907 SEI1447B sep 12.6 P.A. 156.70 mag 12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21128+3907 : ALADIN DSS IMAGE @ 21h 12m 48.41s +39° 06' 40.7"
 
 
 
 
WDS 21128+3907 SEI 1447 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21128+3907 SEI1447 distance=1' 21128+3907 GUR 13Aa,Ab distance=1' 21132+3904 TDT2833AB distance=6' 21132+3904 GUR 16AC distance=6' 21126+3915 MLB 893 distance=9' 21130+3858 ES 257 distance=10' 21130+3854 GUR 15 distance=14' 21126+3846 COU2136 distance=21' 21112+3855 ES 1991 distance=22' 21110+3859 GUR 5 distance=23' 21111+3918 MLB 892 distance=23' 21108+3906 GUR 4 distance=24' 21148+3901 ALI 966 distance=25' 21110+3919 MLB 891 distance=25' 21112+3925 COU1969 distance=26' 21118+3931 ES 1992 distance=27' 21148+3847 GUR 25 distance=31' 21146+3844 GUR 22 distance=31' 21154+3902 SEI1477 distance=31' 21113+3841 GUR 7AB distance=31' 21113+3841 GUR 7AC distance=31' 21114+3840 GUR 8 distance=31' 21149+3847 GUR 27 distance=32' 21105+3851 SEI1429 distance=32' 21139+3838 GUR 19 distance=32' 21154+3912 MLB 894 distance=32' 21133+3835 SMA 140 distance=33' 21149+3844 GUR 26AB distance=33' 21149+3844 GUR 26AC distance=33' 21125+3834 SEI1445 distance=33' 21102+3923 ALI 963 distance=35' 21097+3856 COU1967 distance=38' 21102+3844 SEI1426 distance=38' 21137+3830 GUR 18 distance=38' 21122+3828 SMA 137 distance=39' 21139+3830 COU1817 distance=40' 21094+3905 GUR 1 distance=40' 21111+3831 GUR 6 distance=41' 21146+3832 SEI1464AB distance=42' 21146+3832 GUR 24AC distance=42' 21146+3832 GUR 24AD distance=42' 21109+3830 ES 254 distance=43' 21163+3856 TDT2875 distance=43' 21152+3833 ES 2061 distance=45' 21146+3947 LDS2500 distance=46' 21126+3819 GUR 10 distance=48' 21169+3855 MLB1020 distance=49' 21169+3906 SEI1486 distance=49' 21091+3844 S 779 distance=49' 21111+3821 ES 207 distance=51' 21117+3818 SMA 136 distance=52' 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 21128+3907 SEI1447 151 13.3 1
Show 21128+3907 GUR 13 Aa,Ab 44 0.5 1
Show 21132+3904 TDT2833 AB 88 0.6 6
Show 21132+3904 GUR 16 AC 285 11.8 6
Show 21126+3915 MLB 893 149 3.6 9
Show 21130+3858 ES 257 317 6.6 10
Show 21130+3854 GUR 15 64 4.8 14
Show 21126+3846 COU2136 293 0.4 21
Show 21112+3855 ES 1991 25 2.6 22
Show 21110+3859 GUR 5 2 0.2 23
Show 21111+3918 MLB 892 188 4.3 23
Show 21108+3906 GUR 4 106 5.2 24
Show 21148+3901 ALI 966 99 6.6 25
Show 21110+3919 MLB 891 253 8.7 25
Show 21112+3925 COU1969 216 0.1 26
Show 21118+3931 ES 1992 203 3.1 27
Show 21148+3847 GUR 25 152 9.8 31
Show 21146+3844 GUR 22 337 6.2 31
Show 21154+3902 SEI1477 59 20.8 31
Show 21113+3841 GUR 7 AB 77 10.3 31
Show 21113+3841 GUR 7 AC 242 7.2 31
Show 21114+3840 GUR 8 8 10.4 31
Show 21149+3847 GUR 27 142 7.8 32
Show 21105+3851 SEI1429 351 25.1 32
Show 21139+3838 GUR 19 123 9.0 32
Show 21154+3912 MLB 894 200 3.1 32
Show 21133+3835 SMA 140 127 17.2 33
Show 21149+3844 GUR 26 AB 325 7.5 33
Show 21149+3844 GUR 26 AC 274 15.7 33
Show 21125+3834 SEI1445 23 27.9 33
Show 21102+3923 ALI 963 291 6.9 35
Show 21097+3856 COU1967 192 0.8 38
Show 21102+3844 SEI1426 20 17.6 38
Show 21137+3830 GUR 18 301 14.1 38
Show 21122+3828 SMA 137 121 9.6 39
Show 21139+3830 COU1817 110 0.6 40
Show 21094+3905 GUR 1 150 8.3 40
Show 21111+3831 GUR 6 348 3.6 41
Show 21146+3832 SEI1464 AB 264 28.9 42
Show 21146+3832 GUR 24 AC 264 7.4 42
Show 21146+3832 GUR 24 AD 218 5.4 42
Show 21109+3830 ES 254 325 2.2 43
Show 21163+3856 TDT2875 144 1.8 43
Show 21152+3833 ES 2061 298 3.4 45
Show 21146+3947 LDS2500 355 14.5 46
Show 21126+3819 GUR 10 294 5.3 48
Show 21169+3855 MLB1020 159 4.6 49
Show 21169+3906 SEI1486 318 23.9 49
Show 21091+3844 S 779 9 110.5 49
Show 21111+3821 ES 207 244 2.4 51
Show 21117+3818 SMA 136 122 3.8 52

 
 
WDS 21128+3907 : COMPONENTS
 
 
  A Ab
Ab pa=36.8°
sep=0.45"
 
B pa=156.7°
sep=12.62"
pa=158.5°
sep=12.85"
 
 
21128+3907 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211248.41+390640.7 Mag 9.34 Spectral class A5 (white)
PmRA 10.00 PmDE -4.0 Tycho2 3169-03877-1
Tycho2
Tycho2 3169-03877-1 Pflag RAmdeg 318.20173253 DEmdeg 39.11132590
PmRA 12.0 PmDE -3.9 E RAmdeg 10 E DEmdeg 10
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.16 EpDEm 1991.09
Num 4 Q RAmdeg 0.2 Q DEmdeg 0.9 Q pmRA 0.2
Q pmDE 0.9 BTmag 9.630 E BTmag 0.020 VTmag 9.337
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 318.20169667 DEdeg 39.11133500 EpRA 1990 1.63
EpDE 1990 1.55 E RAdeg 9.7 E DEdeg 10.3 Posflg
Corr 0.0
CCDM
Ccdm 21128+3907 RComp Comp A Note1
Note2 Discov num DRAs 0.40 DDEs -19.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp PmNote *
PmRA 10 PmDE 3 Dm number +38 4395 Cat1 BD
Name2 +38 2164 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 21089N3842A
HIC
 
 
21128+3907 Ab
 
 
Coord arcsec 2000 211248.43+390641.1 Calc delta mag 9.29 Calc coord yes
 
 
21128+3907 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211248.84+390629.1 Mag 12 PmRA 12.00
PmDE -4.0 Calc delta mag 2.71 Calc coord yes
CCDM
Ccdm 21128+3907 RComp Comp B Note1
Note2 Discov num SEI1447 DRAs 0.95 DDEs -30.5
R dRAs 90 Year 1895 Theta 152 Rho 13.3
Obs 3 Vmag 12.2 Sp PmNote
PmRA 10 PmDE 3 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 21089N3842B
HIC