stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
21441+2845
FYM 25 AG


Nearby doubles
21' : 21444+2824
KPP3373

28' : 21461+2855
BRT 58

29' : 21454+2819
J 3145

33' : 21452+2914
UC 4550

35' : 21418+2901
MLB 492

37' : 21462+2817
MLB 540AB

43' : 21416+2911
GRV 493

43' : 21469+2907
CVR 919

45' : 21474+2855
AG 420

45' : 21474+2834
A 300AB

48' : 21420+2924
MLB 539

51' : 21423+2800
GRV 494

54' : 21439+2751
HO 166

55' : 21410+2920
STT 448

57' : 21442+2942
MLB 493

58' : 21480+2819
MLB 541

60' : 21470+2930
GRV 503

64' : 21473+2932
STJ 58

65' : 21458+2945
DAM 236

67' : 21455+2948
DAM 237

68' : 21430+2951
KPP 498

70' : 21420+2741
RAO 465AB

71' : 21390+2826
ES 520

72' : 21401+2928
BRT 57

73' : 21458+2954
TDT3146

73' : 21420+2951
MLB 720



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.
 
 
WDS 21441+2845 : COMPONENTS
 
 
  A B C D E F
B pa=309.7°
sep=1.88"
 
C pa=294.5°
sep=68.54"
pa=294.1°
sep=66.73"
 
D pa=44.8°
sep=197.77"
pa=45.4°
sep=197.94"
pa=61.0°
sep=230.66"
 
E pa=40.7°
sep=191.34"
pa=41.2°
sep=191.38"
pa=58.0°
sep=220.43"
pa=288.2°
sep=15.49"
 
F pa=69.4°
sep=99.16"
pa=70.4°
sep=100.11"
pa=87.6°
sep=155.33"
pa=203.8°
sep=115.30"
pa=196.1°
sep=114.83"
 
G pa=70.3°
sep=149.37"
pa=70.9°
sep=150.33"
pa=83.9°
sep=204.17"
pa=179.2°
sep=90.03"
pa=170.4°
sep=96.20"
pa=72.1°
sep=50.24"
 
 
21441+2845 A
 
 
Name Mu1 Cyg Coord arcsec 2000 214408.57+284433.4 Mag 4.75 Spectral class F6V (yellow-white)
PmRA 260.00 PmDE -243.0 SAO 89940 HIP 107310
Tycho2 2201-02078-1 HD 206826 HR 8309 GC 30438
BD BD+28 4169 Bayer Mu 1 Cygni Bayer name Mu1 Flamsteed 78 Cygni
Flamsteed name 78 Cyg
Tycho2
Tycho2 2201-02078-1 Pflag P RAmdeg 326.03572417 DEmdeg 28.74264837
PmRA 277.4 PmDE -251.1 E RAmdeg 3 E DEmdeg 3
E pmRA 2.7 E pmDE 2.6 EpRAm 1991.91 EpDEm 1992.01
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.3 Q pmRA 1.0
Q pmDE 0.3 BTmag 5.223 E BTmag 0.014 VTmag 4.745
E VTmag 0.009 Prox 20 TYC T HIP 107310
CCDM A RAdeg 326.03507722 DEdeg 28.74316972 EpRA 1990 1.92
EpDE 1990 2.02 E RAdeg 3.1 E DEdeg 3.3 Posflg D
Corr 0.3
SAO
SAO 89940 DelFlag RA1950 PmRA1950 0.022
DE1950 PmDE1950 -0.238 Vmag 4.7 SpType F5
Double code Source 70 CatNum 30438 DM BD+28 4169
DMcomp A BDsup HD 206826 M HD 0
GC 30438 RA1950rad 5.68062827 DE1950rad 0.49770008 PmRA2000 0.0222
PmDE2000 -0.241
Hipparcos
Catalog H HIP 107310 Proxy H RAhms 21 44 08.40
DEdms +28 44 35.6 Vmag 4.49 VarFlag R Vmag H
RAdeg 326.035 DEdeg 28.7432 AstroRef A Plx 44.64
CCDM 21442+2845 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 302 Rho 2.002 HD 206826 BD BD+28 4169
CD CP Dm number +28 4169 VIred 0.55
SpType F6V R SpType Coord arcsec 2000 214408.40+284435.6
Hipparcos 2
HIP 107310 Sn 15 So 3 Nc 2
RArad 5.6903845519 DErad 0.5016638713 Plx 44.97 PmRA 260.72
PmDE -243.21 E RArad 0.33 E DErad 0.3 E Plx 0.43
E pmRA 0.36 E pmDE 0.31 Hpmag 4.6029 E Hpmag 0.0004
SHp 0.005 VA 0 BV 0.512 E BV 0.007
VI 0.58
 
 
21441+2845 B
 
 
Coord arcsec 2000 214408.46+284434.6 Coord calc 214408.46+284434.6 Mag 6.18 Spectral class G2V (yellow)
PmRA 260.00 PmDE -243.0 Tycho2 2201-02078-2 Calc delta mag 1.43
Tycho2
Tycho2 2201-02078-2 Pflag P RAmdeg 326.03572417 DEmdeg 28.74264837
PmRA 277.4 PmDE -251.1 E RAmdeg 3 E DEmdeg 3
E pmRA 2.7 E pmDE 2.6 EpRAm 1991.91 EpDEm 1992.01
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.3 Q pmRA 1.0
Q pmDE 0.3 BTmag 6.785 E BTmag 0.014 VTmag 6.179
E VTmag 0.009 Prox 20 TYC T HIP 107310
CCDM B RAdeg 326.03454639 DEdeg 28.74346778 EpRA 1990 1.92
EpDE 1990 2.00 E RAdeg 3.3 E DEdeg 3.7 Posflg D
Corr 0.3
 
 
21441+2845 C
 
 
Coord arcsec 2000 214403.83+284501.8 Mag 12.93 Calc delta mag 8.18 Calc coord yes
 
 
21441+2845 D
 
 
Coord arcsec 2000 214419.17+284653.7 Coord calc 214419.17+284653.7 Mag 6.94 Spectral class A5 (white)
PmRA -1.00 PmDE -54.0 SAO 89944 HIP 107326
Tycho2 2201-00786-1 HD 206874 GC 30442 BD BD+28 4171
Calc delta mag 2.19
Tycho2
Tycho2 2201-00786-1 Pflag RAmdeg 326.07993096 DEmdeg 28.78160134
PmRA -1.1 PmDE -54.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.64 EpDEm 1991.67
Num 12 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.8 BTmag 7.329 E BTmag 0.015 VTmag 6.940
E VTmag 0.010 Prox 999 TYC T HIP 107326
CCDM RAdeg 326.07993361 DEdeg 28.78172278 EpRA 1990 1.93
EpDE 1990 1.98 E RAdeg 3.5 E DEdeg 4.0 Posflg
Corr 0.2
SAO
SAO 89944 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.048 Vmag 6.9 SpType A5
Double code Source 70 CatNum 30442 DM BD+28 4171
DMcomp BDsup HD 206874 M HD 0
GC 30442 RA1950rad 5.68147705 DE1950rad 0.49832916 PmRA2000 -0.0005
PmDE2000 -0.052
Hipparcos
Catalog H HIP 107326 Proxy RAhms 21 44 19.18
DEdms +28 46 54.2 Vmag 6.89 VarFlag R Vmag H
RAdeg 326.08 DEdeg 28.7817 AstroRef Plx 12.99
CCDM 21442+2845 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 206874 BD BD+28 4171
CD CP Dm number +28 4171 VIred 0.48
SpType A5 R SpType Coord arcsec 2000 214419.18+284654.2
Hipparcos 2
HIP 107326 Sn 5 So 0 Nc 1
RArad 5.6911684504 DErad 0.5023360234 Plx 11.6 PmRA -0.7
PmDE -53.92 E RArad 0.44 E DErad 0.45 E Plx 0.63
E pmRA 0.53 E pmDE 0.54 Hpmag 6.9882 E Hpmag 0.0011
SHp 0.008 VA 0 BV 0.411 E BV 0.015
VI 0.48
 
 
21441+2845 E
 
 
Coord arcsec 2000 214418.05+284658.5 Mag 13.13 Calc delta mag 8.38 Calc coord yes
 
 
21441+2845 F
 
 
Coord arcsec 2000 214415.63+284508.2 Mag 12.64 PmRA 6.00 PmDE 6.0
Calc delta mag 7.89 Calc coord yes
 
 
21441+2845 G
 
 
Coord arcsec 2000 214419.27+284523.7 Mag 13.77 PmRA 4.00 PmDE 2.0
Calc delta mag 9.02 Calc coord yes