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Current system
21258+3640
S 790 AC


Nearby doubles
14' : 21252+3629
CBL 93

17' : 21247+3631
ES 2126AB

18' : 21245+3632
ES 2125AB

21' : 21271+3627
SEI1517

30' : 21252+3708
SEI1513

31' : 21283+3640
CRB 142

31' : 21235+3627
TDT2940

32' : 21231+3647
ES 2124

33' : 21249+3711
TDS1126

33' : 21264+3712
SEI1514

34' : 21285+3636
ALI 443

38' : 21244+3607
TDS1125

42' : 21295+3635
ES 2128AB

43' : 21278+3715
SEI1518

44' : 21294+3640
CRB 16

48' : 21238+3721
STFA 55AB

48' : 21296+3625
ES 258AB

52' : 21215+3648
TDT2919

53' : 21268+3731
SEI1516AB

60' : 21305+3701
SEI1521AB

63' : 21243+3740
WSI 7

64' : 21215+3719
ROE 24AB

64' : 21241+3741
SEI1458

66' : 21311+3652
HJ 1653

66' : 21215+3600
TDT2920

66' : 21232+3543
ALI 218



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21258+3640 S 790 AC

 
 
21h 25m 47.02s +36° 40' 02.5" P.A. 99.00 sep 53.1 mag 5.89,10.22 Sp B0Ib dist. 2777.78 pc (9061.12 l.y.)
 
 
Coord 2000 21258+3640 Discov num S   790 Comp AC Coord arcsec 2000 21 25 47.02 +36 40 02.5
Date first 1895 Date last 2015 Obs 25
Pa first 98 Pa last 98.7 P.A. Now (θ) 98.7°
Sep first 53.9 Sep last 53.143 Sep. Now (ρ) 53.143"
Mag pri 5.89 Mag sec 10.22 delta mag (ΔM) 4.33 Spectral class B0Ib (blue-white)
Pri motion ra +008 Sec motion ra -001
Pri motion dec -010 Sec motion dec -016
Notes N (See Notes)
rPM=0.675
Nature of this double is uncertain.
 
 
21258+3640 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69 Cyg 71329 21 25 47 +36 40 02 S 790 AB 2015 13 28 34.5 5.89 11.71 5.82
Show 71329 21 25 47 +36 40 02 S 790 AC 2015 25 99 53.1 5.89 10.22 4.33 <===
Show 21 25 51 +36 39 55 FYM 124 CD 2015 7 84 19.4 10.22 13.90 3.68
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 71329 HIP 105811 Tycho2 2715-03977-1
Gaia DR2 1963714268134133120 HD 204172 HR 8209 GC 30016
ADS 14969 BD BD+36 4557 Flamsteed 69 Cygni Flamsteed name 69 Cyg
Distance 2777.78 Distance ly 9061.12
 
 
WDS 21258+3640 S 790 AC : NOTES
 
 
discov_num notes refcode
S 790 69 Cyg.
AC: H 5 44. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 FYM Fay, M.
28 S South, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21258+3640 S 790 AC 2003 22 99 53.3 5.89 10.22 N D 212547.02+364002.5
21258+3640 S 790 AC 2012 24 99 53.3 5.89 10.22 N D 212547.02+364002.5
21258+3640 S 790 AC 2015 25 99 53.1 5.89 10.22 B0Ib N 212547.02+364002.5

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

 
 
WDS 21258+3640 S 790 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21258+3640 S 790 AC : MEASURES
 
 
No records found.

 
 
WDS 21258+3640 : VIRTUAL EYEPIECE
 
 

21258+3640 S 790A mag 5.89 Sp B0Ib 21258+3640 S 790B sep 33.1 P.A. 23.30 mag 11.71 21258+3640 FYM 124C sep 53.3 P.A. 98.50 mag 10.22 Sp F6 21258+3640 FYM 124D sep 68.4 P.A. 94.90 mag 13.9 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 21258+3640 : ALADIN DSS IMAGE @ 21h 25m 47.02s +36° 40' 02.5"
 
 
 
 
WDS 21258+3640 S 790 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21258+3640 S 790AC distance=0' 21258+3640 FYM 124CD distance=1' 21252+3629 CBL 93 distance=14' 21247+3631 ES 2126AB distance=17' 21247+3631 WSI 23AC distance=17' 21245+3632 ES 2125AB distance=18' 21245+3632 SEI1512AC distance=18' 21271+3627 SEI1517 distance=21' 21252+3708 SEI1513 distance=30' 21283+3640 CRB 142 distance=31' 21235+3627 TDT2940 distance=31' 21231+3647 ES 2124 distance=32' 21249+3711 TDS1126 distance=33' 21264+3712 SEI1514 distance=33' 21285+3636 ALI 443 distance=34' 21244+3607 TDS1125 distance=38' 21295+3635 ES 2128AB distance=42' 21295+3635 ES 2128AC distance=42' 21278+3715 SEI1518 distance=43' 21294+3640 CRB 16 distance=44' 21238+3721 STFA 55CD distance=45' 21238+3721 STFA 55CE distance=45' 21238+3721 STFA 55AB distance=48' 21238+3721 STFA 55AC distance=48' 21238+3721 STFA 55AF distance=48' 21296+3625 ES 258AB distance=48' 21296+3625 ES 258BC distance=49' 21215+3648 TDT2919 distance=52' 21268+3731 SEI1516AB distance=53' 21268+3731 HEI9004AC distance=53' 21268+3731 HEI9004AD distance=53' 21268+3731 COU1821Da,Db distance=54' 21305+3701 SEI1521AB distance=60' 21305+3701 GII 102Aa,Ab distance=60' 21243+3740 WSI 7 distance=63' 21215+3719 ROE 24AB distance=64' 21215+3719 ROE 24AD distance=64' 21215+3719 ROE 24AC distance=64' 21241+3741 SEI1458 distance=64' 21215+3719 ROE 23CD distance=65' 21311+3652 HJ 1653 distance=66' 21215+3600 TDT2920 distance=66' 21232+3543 ALI 218 distance=66' 21295+3728 SEI1519 distance=66' 21221+3734 ES 2517 distance=69' 21261+3529 POP 49 distance=72' 21300+3549 TDT2998 distance=73' 21284+3745 TDT2983 distance=73' 21272+3752 ES 2520 distance=74' 21226+3744 COU1820 distance=75' 21196+3656 TDT2905 distance=76' 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 21258+3640 S 790 AB 28 34.5
Show 21258+3640 S 790 AC 99 53.1
Show 21258+3640 FYM 124 CD 84 19.4 1
Show 21252+3629 CBL 93 56 12.9 14
Show 21247+3631 ES 2126 AB 170 4.1 17
Show 21247+3631 WSI 23 AC 84 9.0 17
Show 21245+3632 ES 2125 AB 34 2.0 18
Show 21245+3632 SEI1512 AC 198 29.0 18
Show 21271+3627 SEI1517 80 16.3 21
Show 21252+3708 SEI1513 90 14.5 30
Show 21283+3640 CRB 142 46 25.7 31
Show 21235+3627 TDT2940 339 1.1 31
Show 21231+3647 ES 2124 263 7.6 32
Show 21249+3711 TDS1126 314 1.9 33
Show 21264+3712 SEI1514 184 12.0 33
Show 21285+3636 ALI 443 298 4.3 34
Show 21244+3607 TDS1125 12 1.4 38
Show 21295+3635 ES 2128 AB 304 7.2 42
Show 21295+3635 ES 2128 AC 101 24.9 42
Show 21278+3715 SEI1518 143 15.5 43
Show 21294+3640 CRB 16 56 111.6 44
Show 21238+3721 STFA 55 CD 183 12.8 45
Show 21238+3721 STFA 55 CE 320 17.7 45
Show 21238+3721 STFA 55 AB 304 364.1 48
Show 21238+3721 STFA 55 AC 154 178.3 48
Show 21238+3721 STFA 55 AF 201 22.8 48
Show 21296+3625 ES 258 AB 36 9.8 48
Show 21296+3625 ES 258 BC 10 19.7 49
Show 21215+3648 TDT2919 344 1.5 52
Show 21268+3731 SEI1516 AB 335 3.9 53
Show 21268+3731 HEI9004 AC 275 25.5 53
Show 21268+3731 HEI9004 AD 335 109.8 53
Show 21268+3731 COU1821 Da,Db 96 0.7 54
Show 21305+3701 SEI1521 AB 225 2.9 60
Show 21305+3701 GII 102 Aa,Ab 306 0.4 60
Show 21243+3740 WSI 7 44 0.1 63
Show 21215+3719 ROE 24 AB 168 10.3 64
Show 21215+3719 ROE 24 AD 266 81.7 64
Show 21215+3719 ROE 24 AC 266 68.7 64
Show 21241+3741 SEI1458 312 7.9 64
Show 21215+3719 ROE 23 CD 261 13.1 65
Show 21311+3652 HJ 1653 195 19.5 66
Show 21215+3600 TDT2920 147 0.6 66
Show 21232+3543 ALI 218 264 12.2 66
Show 21295+3728 SEI1519 181 13.8 66
Show 21221+3734 ES 2517 115 5.3 69
Show 21261+3529 POP 49 205 4.8 72
Show 21300+3549 TDT2998 209 2.0 73
Show 21284+3745 TDT2983 111 0.5 73
Show 21272+3752 ES 2520 238 6.2 74
Show 21226+3744 COU1820 319 1.4 75

 
 
WDS 21258+3640 : COMPONENTS
 
 
  A B C
B pa=23.3°
sep=33.13"
 
C pa=98.5°
sep=53.29"
pa=134.1°
sep=55.12"
 
D pa=94.9°
sep=68.42"
pa=123.3°
sep=65.94"
pa=82.3°
sep=15.62"
 
 
21258+3640 A
 
 
Name 69 Cyg Coord arcsec 2000 212547.02+364002.5 Mag 5.89 Spectral class B0Ib (blue-white)
PmRA 8.00 PmDE -10.0 SAO 71329 HIP 105811
Tycho2 2715-03977-1 HD 204172 HR 8209 GC 30016
BD BD+36 4557 Flamsteed 69 Cygni Flamsteed name 69 Cyg
Tycho2
Tycho2 2715-03977-1 Pflag RAmdeg 321.44593846 DEmdeg 36.66738536
PmRA 6.3 PmDE -9.0 E RAmdeg 3 E DEmdeg 3
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.48 EpDEm 1991.49
Num 19 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 0.9
Q pmDE 1.2 BTmag 5.777 E BTmag 0.014 VTmag 5.893
E VTmag 0.009 Prox 333 TYC T HIP 105811
CCDM RAdeg 321.44592028 DEdeg 36.66740611 EpRA 1990 1.70
EpDE 1990 1.68 E RAdeg 3.3 E DEdeg 3.2 Posflg
Corr 0.2
SAO
SAO 71329 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.002 Vmag 5.8 SpType B0
Double code Source 70 CatNum 30016 DM BD+36 4557
DMcomp BDsup HD 204172 M HD 0
GC 30016 RA1950rad 5.60136202 DE1950rad 0.63618439 PmRA2000 0.0005
PmDE2000 -0.005
Hipparcos
Catalog H HIP 105811 Proxy RAhms 21 25 47.02
DEdms +36 40 02.7 Vmag 5.93 VarFlag 1 R Vmag H
RAdeg 321.446 DEdeg 36.6674 AstroRef Plx 1.18
CCDM 21258+3640 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 204172 BD BD+36 4557
CD CP Dm number +36 4557 VIred -0.12
SpType B0Ib R SpType Coord arcsec 2000 212547.02+364002.7
Hipparcos 2
HIP 105811 Sn 5 So 0 Nc 1
RArad 5.6102896255 DErad 0.6399669922 Plx 0.36 PmRA 7.49
PmDE -9.65 E RArad 0.23 E DErad 0.24 E Plx 0.39
E pmRA 0.25 E pmDE 0.29 Hpmag 5.8888 E Hpmag 0.0012
SHp 0.015 VA 2 BV 0.033 E BV 0.015
VI -0.12
CCDM
Ccdm 21258+3640 RComp Comp A Note1
Note2 Discov num DRAs -0.99 DDEs 2.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.8 Sp B0 PmNote *
PmRA 4 PmDE -4 Dm number +36 4557 Cat1 BD
Name2 +36 2193 Cat2 AGK2/3 HD 204172 M HD
ADS BDS A14969 M ADS BDS N IDS IDS 21217N3614A
HIC 105811
 
 
21258+3640 B
 
 
Coord arcsec 2000 212548.11+364032.9 Mag 11.71 PmRA 5.00 PmDE 9.0
Calc delta mag 5.82 Calc coord yes
CCDM
Ccdm 21258+3640 RComp Comp B Note1
Note2 Discov num S 790 DRAs DDEs
R dRAs Year 1896 Theta 030 Rho 33.0
Obs 7 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14969 M ADS BDS N IDS IDS 21217N3614B
HIC
 
 
21258+3640 C
 
 
Coord arcsec 2000 212551.40+363954.6 Coord calc 212551.40+363954.6 Mag 10.22 Spectral class F6 (yellow-white)
PmRA -1.00 PmDE -16.0 Calc delta mag 4.33
CCDM
Ccdm 21258+3640 RComp Comp C Note1
Note2 Discov num S 790 DRAs 3.44 DDEs -5.7
R dRAs 10 Year 1896 Theta 098 Rho 54.0
Obs 9 Vmag 8.9 Sp PmNote *
PmRA 8 PmDE -23 Dm number Cat1
Name2 +36 2194 Cat2 AGK2/3 HD M HD
ADS BDS A14969 M ADS BDS N IDS IDS 21217N3614C
HIC
 
 
21258+3640 D
 
 
Coord arcsec 2000 212552.69+363956.7 Mag 13.9 PmRA -12.00 PmDE -13.0
Calc delta mag 8.01 Calc coord yes