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Doubles in session


Current system
21108+3906
GUR 4


Nearby doubles
8' : 21110+3859
GUR 5

12' : 21112+3855
ES 1991

13' : 21111+3918
MLB 892

14' : 21110+3919
MLB 891

16' : 21105+3851
SEI1429

16' : 21097+3856
COU1967

16' : 21094+3905
GUR 1

20' : 21102+3923
ALI 963

20' : 21112+3925
COU1969

23' : 21102+3844
SEI1426

24' : 21126+3915
MLB 893

24' : 21128+3907
SEI1447

26' : 21113+3841
GUR 7AB

27' : 21114+3840
GUR 8

28' : 21130+3858
ES 257

28' : 21118+3931
ES 1992

29' : 21130+3854
GUR 15

29' : 21132+3904
TDT2833AB

29' : 21126+3846
COU2136

30' : 21091+3844
S 779

36' : 21111+3831
GUR 6

36' : 21109+3830
ES 254

38' : 21125+3834
SEI1445

42' : 21074+3853
MLB 890

42' : 21073+3857
MLB 889

42' : 21122+3828
SMA 137



Selections
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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.

21108+3906 GUR 4

 
 
21h 10m 47.67s +39° 05' 56.4" P.A. 106.00 sep 5.2 mag 11.42,14.80
 
 
Coord 2000 21108+3906 Discov num GUR   4 Comp Coord arcsec 2000 21 10 47.67 +39 05 56.4
Date first 1998 Date last 2015 Obs 7
Pa first 102 Pa last 105.8 P.A. Now (θ) 105.8°
Sep first 5.1 Sep last 5.159 Sep. Now (ρ) 5.159"
Mag pri 11.42 Mag sec 14.80 delta mag (ΔM) 3.38 Spectral class
Pri motion ra +008 Sec motion ra
Pri motion dec +015 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3169-00593-1 Gaia DR2 1968094752521902464
 
 
WDS 21108+3906 GUR 4 : NOTES
 
 
No records found.

 
 
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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21108+3906 GUR 4 2012 3 106 5.1 11.42 14.80 211047.67+390556.4
21108+3906 GUR 4 2015 4 106 5.2 11.42 14.80 211047.67+390556.4

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

 
 
WDS 21108+3906 GUR 4 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21108+3906 GUR 4 : MEASURES
 
 
No records found.

 
 
WDS 21108+3906 : VIRTUAL EYEPIECE
 
 

21108+3906 GUR 4A mag 11.42 21108+3906 GUR 4B sep 4.1 P.A. 110.00 mag 14.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21108+3906 : ALADIN DSS IMAGE @ 21h 10m 47.67s +39° 05' 56.4"
 
 
 
 
WDS 21108+3906 GUR 4 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21108+3906 GUR 4 distance=0' 21110+3859 GUR 5 distance=8' 21112+3855 ES 1991 distance=12' 21111+3918 MLB 892 distance=13' 21110+3919 MLB 891 distance=14' 21105+3851 SEI1429 distance=16' 21097+3856 COU1967 distance=16' 21094+3905 GUR 1 distance=16' 21102+3923 ALI 963 distance=20' 21112+3925 COU1969 distance=20' 21102+3844 SEI1426 distance=23' 21126+3915 MLB 893 distance=24' 21128+3907 SEI1447 distance=24' 21128+3907 GUR 13Aa,Ab distance=24' 21113+3841 GUR 7AB distance=26' 21113+3841 GUR 7AC distance=26' 21114+3840 GUR 8 distance=27' 21130+3858 ES 257 distance=28' 21118+3931 ES 1992 distance=28' 21130+3854 GUR 15 distance=29' 21132+3904 TDT2833AB distance=29' 21132+3904 GUR 16AC distance=29' 21126+3846 COU2136 distance=29' 21091+3844 S 779 distance=30' 21111+3831 GUR 6 distance=36' 21109+3830 ES 254 distance=36' 21125+3834 SEI1445 distance=38' 21074+3853 MLB 890 distance=42' 21073+3857 MLB 889 distance=42' 21122+3828 SMA 137 distance=42' 21071+3905 ALI 960 distance=44' 21133+3835 SMA 140 distance=44' 21071+3852 MLB 888 distance=45' 21086+3942 ALI1154 distance=45' 21111+3821 ES 207 distance=46' 21139+3838 GUR 19 distance=47' 21095+3822 GUR 2 distance=47' 21074+3841 MLB1019 distance=48' 21078+3834 BRT2233 distance=48' 21148+3901 ALI 966 distance=48' 21091+3822 SEI1417 distance=48' 21072+3841 MLB1018 distance=48' 21108+3818 ALI 682 distance=49' 21146+3844 GUR 22 distance=50' 21137+3830 GUR 18 distance=50' 21069+3845 HZE 4BL distance=51' 21069+3845 TNN 15BR distance=51' 21069+3845 STF2758BC distance=51' 21069+3845 FYM 106BM distance=51' 21069+3845 FYM 106BN distance=51' 21069+3845 STF2758AB distance=51' 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 21108+3906 GUR 4 106 5.2
Show 21110+3859 GUR 5 2 0.2 8
Show 21112+3855 ES 1991 25 2.6 12
Show 21111+3918 MLB 892 188 4.3 13
Show 21110+3919 MLB 891 253 8.7 14
Show 21105+3851 SEI1429 351 25.1 16
Show 21097+3856 COU1967 192 0.8 16
Show 21094+3905 GUR 1 150 8.3 16
Show 21102+3923 ALI 963 291 6.9 20
Show 21112+3925 COU1969 216 0.1 20
Show 21102+3844 SEI1426 20 17.6 23
Show 21126+3915 MLB 893 149 3.6 24
Show 21128+3907 SEI1447 151 13.3 24
Show 21128+3907 GUR 13 Aa,Ab 44 0.5 24
Show 21113+3841 GUR 7 AB 77 10.3 26
Show 21113+3841 GUR 7 AC 242 7.2 26
Show 21114+3840 GUR 8 8 10.4 27
Show 21130+3858 ES 257 317 6.6 28
Show 21118+3931 ES 1992 203 3.1 28
Show 21130+3854 GUR 15 64 4.8 29
Show 21132+3904 TDT2833 AB 88 0.6 29
Show 21132+3904 GUR 16 AC 285 11.8 29
Show 21126+3846 COU2136 293 0.4 29
Show 21091+3844 S 779 9 110.5 30
Show 21111+3831 GUR 6 348 3.6 36
Show 21109+3830 ES 254 325 2.2 36
Show 21125+3834 SEI1445 23 27.9 38
Show 21074+3853 MLB 890 250 5.3 42
Show 21073+3857 MLB 889 5 7.0 42
Show 21122+3828 SMA 137 121 9.6 42
Show 21071+3905 ALI 960 110 12.9 44
Show 21133+3835 SMA 140 127 17.2 44
Show 21071+3852 MLB 888 55 4.0 45
Show 21086+3942 ALI1154 251 12.5 45
Show 21111+3821 ES 207 244 2.4 46
Show 21139+3838 GUR 19 123 9.0 47
Show 21095+3822 GUR 2 67 4.0 47
Show 21074+3841 MLB1019 226 4.3 48
Show 21078+3834 BRT2233 38 3.9 48
Show 21148+3901 ALI 966 99 6.6 48
Show 21091+3822 SEI1417 140 31.3 48
Show 21072+3841 MLB1018 252 4.4 48
Show 21108+3818 ALI 682 129 8.9 49
Show 21146+3844 GUR 22 337 6.2 50
Show 21137+3830 GUR 18 301 14.1 50
Show 21069+3845 HZE 4 BL 145 9.9 51
Show 21069+3845 TNN 15 BR 77 11.5 51
Show 21069+3845 STF2758 BC 221 827.6 51
Show 21069+3845 FYM 106 BM 238 100.7 51
Show 21069+3845 FYM 106 BN 152 48.3 51
Show 21069+3845 STF2758 AB 154 32.0 51

 
 
WDS 21108+3906 : COMPONENTS
 
 
  A
B pa=110.0°
sep=4.10"
 
 
21108+3906 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211047.67+390556.4 Mag 11.42 PmRA 8.00
PmDE 15.0 Tycho2 3169-00593-1
Tycho2
Tycho2 3169-00593-1 Pflag RAmdeg 317.69864727 DEmdeg 39.09902228
PmRA 8.6 PmDE 13.4 E RAmdeg 66 E DEmdeg 59
E pmRA 2.6 E pmDE 2.4 EpRAm 1982.10 EpDEm 1982.86
Num 4 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.1 BTmag 12.647 E BTmag 0.197 VTmag 11.532
E VTmag 0.097 Prox 687 TYC HIP
CCDM RAdeg 317.69862389 DEdeg 39.09899000 EpRA 1990 1.54
EpDE 1990 1.64 E RAdeg 70.7 E DEdeg 63.2 Posflg
Corr 0.1
 
 
21108+3906 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211048.00+390555.0 Mag 14.8 Calc delta mag 3.38
Calc coord yes