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Doubles in session


Current system
20099+2055
STF 2637 AD


Nearby doubles
6' : 20099+2100
S 737

20' : 20113+2056
J 1875

24' : 20086+2041
BRT2467

27' : 20082+2105
J 1168

29' : 20108+2029
HDS2875

30' : 20120+2100
HJ 907AB

33' : 20113+2121
HO 587

37' : 20102+2131
TDT2042

37' : 20124+2043
NSN 730

40' : 20072+2106
STF2631

45' : 20119+2020
J 1876

45' : 20124+2124
DAM1255

46' : 20131+2107
GRV 323

48' : 20115+2013
GRV 320

52' : 20093+2004
HU 355

56' : 20076+2139
TDT2000

62' : 20136+2021
BU 1484

64' : 20138+2021
HJ 2941

69' : 20132+2145
J 1194

71' : 20051+2039
BUP 203AB

72' : 20078+1950
WEB 12

72' : 20136+2145
J 834

78' : 20063+1954
WAK 19

78' : 20154+2045
BRT2469

78' : 20153+2120
J 3067

78' : 20065+1957
J 1233AB



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 20099+2055 : COMPONENTS
 
 
  A B C
B pa=335.6°
sep=12.19"
 
C pa=219.7°
sep=89.31"
pa=213.1°
sep=95.27"
 
D pa=224.3°
sep=166.95"
pa=220.6°
sep=171.74"
pa=229.7°
sep=78.28"
 
 
20099+2055 A
 
 
Name The Sge Coord arcsec 2000 200956.61+205453.2 Mag 6.56 Spectral class F3V (yellow-white)
PmRA 59.00 PmDE 98.0 SAO 88276 HIP 99352
Tycho2 1630-00481-1 HD 191570 HR 7705 GC 27987
BD BD+20 4453 Bayer Theta Sagittae Bayer name The Sge Flamsteed 17 Sagittae
Flamsteed name 17 Sge
Tycho2
Tycho2 1630-00481-1 Pflag RAmdeg 302.48603322 DEmdeg 20.91502405
PmRA 59.3 PmDE 96.8 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.43 EpDEm 1991.21
Num 15 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 0.9 BTmag 6.957 E BTmag 0.015 VTmag 6.561
E VTmag 0.010 Prox 116 TYC T HIP 99352
CCDM A RAdeg 302.48588750 DEdeg 20.91479667 EpRA 1990 1.74
EpDE 1990 1.54 E RAdeg 3.9 E DEdeg 4.4 Posflg
Corr 0.2
SAO
SAO 88276 DelFlag RA1950 PmRA1950 0.0038
DE1950 PmDE1950 0.103 Vmag 6.3 SpType F2
Double code Source 70 CatNum 27987 DM BD+20 4453
DMcomp A BDsup HD 191570 M HD 0
GC 27987 RA1950rad 5.26974183 DE1950rad 0.36242381 PmRA2000 0.0038
PmDE2000 0.101
Hipparcos
Catalog H HIP 99352 Proxy RAhms 20 09 56.61
DEdms +20 54 53.2 Vmag 6.51 VarFlag R Vmag H
RAdeg 302.486 DEdeg 20.9148 AstroRef A Plx 22.22
CCDM 20099+2054 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 191570 BD BD+20 4453
CD CP Dm number +20 4453 VIred 0.45
SpType F5IV R SpType Coord arcsec 2000 200956.61+205453.2
Hipparcos 2
HIP 99352 Sn 95 So 3 Nc 1
RArad 5.2793744733 DErad 0.3650319349 Plx 22.1 PmRA 59.68
PmDE 98.43 E RArad 0.68 E DErad 0.58 E Plx 0.89
E pmRA 0.9 E pmDE 0.84 Hpmag 6.6016 E Hpmag 0.0053
SHp 0.017 VA 0 BV 0.394 E BV 0.006
VI 0.46
 
 
20099+2055 B
 
 
Coord arcsec 2000 200956.25+205504.3 Coord calc 200956.25+205504.3 Mag 8.85 Spectral class F2 (yellow-white)
PmRA 64.00 PmDE 102.0 HIP 99351 Calc delta mag 2.29
Hipparcos
Catalog H HIP 99351 Proxy RAhms 20 09 56.20
DEdms +20 55 03.3 Vmag 8.82 VarFlag R Vmag H
RAdeg 302.484 DEdeg 20.9176 AstroRef B Plx 18.75
CCDM 20099+2054 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.8
SpType F2 R SpType Coord arcsec 2000 200956.20+205503.3
Hipparcos 2
HIP 99351 Sn 95 So 3 Nc 1
RArad 5.2793445072 DErad 0.3650808239 Plx 22.41 PmRA 56.18
PmDE 97.46 E RArad 0.76 E DErad 0.66 E Plx 0.92
E pmRA 1.03 E pmDE 0.99 Hpmag 9.0549 E Hpmag 0.0474
SHp 0 VA 0 BV 0.74 E BV 0.028
VI 0.79
 
 
20099+2055 C
 
 
Coord arcsec 2000 200952.54+205344.5 Mag 7.52 Spectral class F5IV (yellow-white) PmRA 5.00
PmDE -5.0 SAO 88270 Tycho2 1630-00917-1 HD 191571
GC 27982 DM BD+20 4452 Flamsteed 17 Sagittae Flamsteed name 17 Sge
Calc delta mag 0.96 Calc coord yes
Tycho2
Tycho2 1630-00917-1 Pflag RAmdeg 302.46829073 DEmdeg 20.89651823
PmRA 4.8 PmDE -4.6 E RAmdeg 6 E DEmdeg 6
E pmRA 0.9 E pmDE 0.8 EpRAm 1990.96 EpDEm 1990.75
Num 14 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.2 BTmag 8.885 E BTmag 0.018 VTmag 7.520
E VTmag 0.012 Prox 885 TYC T HIP
CCDM RAdeg 302.46827889 DEdeg 20.89652889 EpRA 1990 1.73
EpDE 1990 1.60 E RAdeg 5.6 E DEdeg 6.2 Posflg
Corr 0.4
SAO
SAO 88270 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 0.009 Vmag 7.3 SpType K2
Double code Source 70 CatNum 27982 DM BD+20 4452
DMcomp BDsup HD 191571 M HD 0
GC 27982 RA1950rad 5.2694439 DE1950rad 0.36212693 PmRA2000 -0.0002
PmDE2000 0.007
 
 
20099+2055 D
 
 
Coord arcsec 2000 200948.28+205253.8 Mag 11.94 PmRA -5.00 PmDE -3.0
Calc delta mag 5.38 Calc coord yes