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Doubles in session


Current system
21039+4138
STTA 214 AB
HD 200723


Nearby doubles
10' : 21032+4131
LDS2484

13' : 21048+4144
COU2434

17' : 21023+4139
ROE 21

19' : 21050+4125
COU2298

21' : 21027+4130
LDS2482

22' : 21032+4158
COU2432

37' : 21071+4134
HJ 1613

38' : 21070+4125
BU 988AB

42' : 21044+4057
ROE 44

42' : 21076+4137
BVD 159

44' : 21054+4058
TDT2732

45' : 21037+4053
LDS2485

46' : 21027+4218
LDS6351

48' : 21019+4055
TDT2704

48' : 21041+4225
GII 54

48' : 21040+4225
COU2433

60' : 21022+4235
ES 1577

61' : 21024+4236
ES 1578

63' : 20585+4121
BLL 53

65' : 21092+4152
LDS2491

65' : 21082+4055
AG 414

66' : 20598+4225
CLZ 78

67' : 21014+4037
HDS2995

67' : 21056+4241
TDT2735

75' : 21032+4024
ES 1986

77' : 21062+4249
KPP1022



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.

21039+4138 STTA 214 AB (HD 200723)

 
 
21h 03m 52.13s +41° 37' 41.4" P.A. 184.00 sep 57.4 mag 6.37,8.64 Sp F3IV dist. 96.34 pc (314.26 l.y.)
 
 
Coord 2000 21039+4138 Discov num STTA214 Comp AB Coord arcsec 2000 21 03 52.13 +41 37 41.4
Date first 1875 Date last 2018 Obs 34
Pa first 185 Pa last 184.4 P.A. Now (θ) 184.4°
Sep first 57.4 Sep last 57.378 Sep. Now (ρ) 57.378"
Mag pri 6.37 Mag sec 8.64 delta mag (ΔM) 2.27 Spectral class F3IV (yellow-white)
Pri motion ra -002 Sec motion ra -001
Pri motion dec -054 Sec motion dec -055
Notes N T (See Notes, Parallax indicates physical)
rPM=0.026 (< 0.3, Physical double)
This double is physical.
 
 
21039+4138 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 200723 50409 21 03 52 +41 37 41 STTA 214 AB 2018 34 184 57.4 6.37 8.64 2.27 <===
Show 21 03 52 +41 36 44 STTA 214 BC 2015 6 244 106.3 8.64 13.23 4.59
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 200723 Constellation Cygnus SAO 50409 HIP 103963
Tycho2 3176-01844-1 Gaia DR2 1969521648037478400 HD 200723 HR 8071
GC 29428 BD BD+41 3987 Distance 96.34 Distance ly 314.26
 
 
WDS 21039+4138 STTA 214 AB (HD 200723) : NOTES
 
 
discov_num notes refcode
STTA214 AB: HJL1104. HJL1986
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21039+4138 STTA214 AB 2005 25 185 57.3 6.37 8.64 F3IV D 210352.13+413741.4
21039+4138 STTA214 AB 2015 27 185 57.5 6.37 8.64 F3IV N 210352.13+413741.4
21039+4138 STTA214 AB 2016 28 185 57.7 6.37 8.64 F3IV N 210352.13+413741.4
21039+4138 STTA214 AB 2017 29 185 57.4 6.37 8.64 F3IV N 210352.13+413741.4
21039+4138 STTA214 AB 2018 31 185 57.4 6.37 8.64 F3IV N 210352.13+413741.4

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

 
 
WDS 21039+4138 STTA 214 AB (HD 200723) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21039+4138 STTA 214 AB (HD 200723) : MEASURES
 
 
No records found.

 
 
WDS 21039+4138 (HD 200723) : VIRTUAL EYEPIECE
 
 

21039+4138 STTA214A mag 6.37 Sp F3IV 21039+4138 STTA214B sep 57.5 P.A. 184.80 mag 8.64 21039+4138 STTA214C sep 129.1 P.A. 216.10 mag 13.23 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 21039+4138 (HD 200723) : ALADIN DSS IMAGE @ 21h 03m 52.13s +41° 37' 41.4"
 
 
 
 
WDS 21039+4138 STTA 214 AB (HD 200723) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21039+4138 STTA214AB distance=0' 21039+4138 STTA214BC distance=1' 21032+4131 LDS2484 distance=10' 21048+4144 COU2434 distance=13' 21023+4139 ROE 21 distance=17' 21050+4125 COU2298 distance=19' 21027+4130 LDS2482 distance=21' 21032+4158 COU2432 distance=22' 21071+4134 HJ 1613 distance=37' 21070+4125 BU 988AB distance=38' 21070+4125 BU 988AC distance=38' 21044+4057 ROE 44 distance=42' 21076+4137 BVD 159 distance=42' 21054+4058 TDT2732 distance=44' 21037+4053 LDS2485 distance=45' 21027+4218 LDS6351 distance=46' 21019+4055 TDT2704 distance=48' 21041+4225 GII 54 distance=48' 21040+4225 COU2433 distance=48' 21022+4235 ES 1577 distance=60' 21024+4236 ES 1578 distance=61' 20585+4121 BLL 53 distance=63' 21092+4152 LDS2491 distance=65' 21082+4055 AG 414 distance=65' 20598+4225 CLZ 78 distance=66' 21014+4037 HDS2995 distance=67' 21056+4241 TDT2735 distance=67' 21032+4024 ES 1986 distance=75' 21062+4249 KPP1022 distance=77' 21050+4021 COU2135 distance=79' 21054+4256 ES 1579 distance=81' 20569+4122 LDS2471 distance=81' 20572+4110 HDS2986 distance=81' 20576+4058 A 400 distance=82' 21002+4027 TDT2688 distance=83' 21068+4021 ES 1989 distance=84' 21097+4230 GRV 428 distance=85' 21069+4256 ES 1580 distance=86' 20581+4043 COU2430AB distance=86' 20581+4043 COU2430AB,C distance=86' 21015+4301 TDT2698 distance=88' 21115+4115 STT 431AB distance=90' 21115+4115 STT 431AC distance=90' 21115+4115 STT 431BC distance=90' 21119+4158 LDS2493 distance=92' 20599+4016 COU2431Aa,Ab distance=94' 20599+4016 ENG 79AB distance=94' 20599+4016 LEP 98AD distance=94' 20599+4016 BUP 221AC distance=94' 20599+4016 LSC 1Aa1,2 distance=94' 20592+4257 ES 1576 distance=95' 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 21039+4138 STTA214 AB 184 57.4
Show 21039+4138 STTA214 BC 244 106.3 1
Show 21032+4131 LDS2484 33 8.7 10
Show 21048+4144 COU2434 189 0.9 13
Show 21023+4139 ROE 21 224 9.1 17
Show 21050+4125 COU2298 147 0.9 19
Show 21027+4130 LDS2482 53 3.0 21
Show 21032+4158 COU2432 24 0.8 22
Show 21071+4134 HJ 1613 5 16.4 37
Show 21070+4125 BU 988 AB 223 1.2 38
Show 21070+4125 BU 988 AC 5 9.3 38
Show 21044+4057 ROE 44 43 7.2 42
Show 21076+4137 BVD 159 49 4.3 42
Show 21054+4058 TDT2732 64 0.7 44
Show 21037+4053 LDS2485 226 15.3 45
Show 21027+4218 LDS6351 156 134.5 46
Show 21019+4055 TDT2704 316 1.1 48
Show 21041+4225 GII 54 246 5.3 48
Show 21040+4225 COU2433 52 0.3 48
Show 21022+4235 ES 1577 41 5.8 60
Show 21024+4236 ES 1578 233 2.8 61
Show 20585+4121 BLL 53 352 169.0 63
Show 21092+4152 LDS2491 184 17.0 65
Show 21082+4055 AG 414 108 5.3 65
Show 20598+4225 CLZ 78 347 38.2 66
Show 21014+4037 HDS2995 97 0.1 67
Show 21056+4241 TDT2735 95 0.5 67
Show 21032+4024 ES 1986 21 4.2 75
Show 21062+4249 KPP1022 29 8.2 77
Show 21050+4021 COU2135 351 0.2 79
Show 21054+4256 ES 1579 273 4.3 81
Show 20569+4122 LDS2471 43 3.2 81
Show 20572+4110 HDS2986 176 0.1 81
Show 20576+4058 A 400 69 1.9 82
Show 21002+4027 TDT2688 104 0.5 83
Show 21068+4021 ES 1989 174 6.0 84
Show 21097+4230 GRV 428 142 40.9 85
Show 21069+4256 ES 1580 88 3.8 86
Show 20581+4043 COU2430 AB 254 0.4 86
Show 20581+4043 COU2430 AB,C 176 3.0 86
Show 21015+4301 TDT2698 6 0.6 88
Show 21115+4115 STT 431 AB 127 2.6 90
Show 21115+4115 STT 431 AC 356 55.4 90
Show 21115+4115 STT 431 BC 354 57.1 90
Show 21119+4158 LDS2493 77 60.2 92
Show 20599+4016 COU2431 Aa,Ab 205 2.2 94
Show 20599+4016 ENG 79 AB 219 165.9 94
Show 20599+4016 LEP 98 AD 258 999.9 94
Show 20599+4016 BUP 221 AC 154 210.3 94
Show 20599+4016 LSC 1 Aa1,2 257 0.0 94
Show 20592+4257 ES 1576 350 3.7 95

 
 
WDS 21039+4138 : COMPONENTS
 
 
  A B
B pa=184.8°
sep=57.50"
 
C pa=216.1°
sep=129.07"
pa=236.6°
sep=85.37"
 
 
21039+4138 A
 
 
Name HD 200723 Coord arcsec 2000 210352.13+413741.4 Mag 6.37 Spectral class F3IV (yellow-white)
PmRA -2.00 PmDE -54.0 SAO 50409 HIP 103963
Tycho2 3176-01844-1 HD 200723 HR 8071 GC 29428
BD BD+41 3987
Tycho2
Tycho2 3176-01844-1 Pflag RAmdeg 315.96722983 DEmdeg 41.62817168
PmRA -3.3 PmDE -53.7 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.9 EpRAm 1991.24 EpDEm 1991.41
Num 12 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 6.795 E BTmag 0.015 VTmag 6.371
E VTmag 0.010 Prox 574 TYC T HIP 103963
CCDM RAdeg 315.96724000 DEdeg 41.62829528 EpRA 1990 1.59
EpDE 1990 1.70 E RAdeg 3.6 E DEdeg 3.6 Posflg
Corr 0.1
SAO
SAO 50409 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.051 Vmag 6.3 SpType F2
Double code Source 70 CatNum 29428 DM BD+41 3987
DMcomp BDsup HD 200723 M HD 0
GC 29428 RA1950rad 5.50648911 DE1950rad 0.72308291 PmRA2000 0.0001
PmDE2000 -0.054
Hipparcos
Catalog H HIP 103963 Proxy RAhms 21 03 52.14
DEdms +41 37 41.9 Vmag 6.34 VarFlag R Vmag G
RAdeg 315.967 DEdeg 41.6283 AstroRef Plx 9.87
CCDM 21038+4137 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 200723 BD BD+41 3987
CD CP Dm number +41 3987 VIred 0.46
SpType F3IV R SpType Coord arcsec 2000 210352.14+413741.9
Hipparcos 2
HIP 103963 Sn 5 So 0 Nc 1
RArad 5.5146686606 DErad 0.7265509688 Plx 10.38 PmRA -2.49
PmDE -53.69 E RArad 0.26 E DErad 0.26 E Plx 0.35
E pmRA 0.32 E pmDE 0.33 Hpmag 6.4329 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.39 E BV 0.006
VI 0.46
 
 
21039+4138 B
 
 
Coord arcsec 2000 210351.70+413644.1 Coord calc 210351.70+413644.1 Mag 8.64 PmRA -5.00
PmDE -56.0 Tycho2 3176-01054-1 Calc delta mag 2.27
Tycho2
Tycho2 3176-01054-1 Pflag RAmdeg 315.96545830 DEmdeg 41.61226903
PmRA -3.9 PmDE -53.9 E RAmdeg 7 E DEmdeg 8
E pmRA 0.9 E pmDE 1.0 EpRAm 1990.84 EpDEm 1990.70
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.9 BTmag 9.144 E BTmag 0.018 VTmag 8.640
E VTmag 0.014 Prox 574 TYC T HIP
CCDM RAdeg 315.96547056 DEdeg 41.61239417 EpRA 1990 1.71
EpDE 1990 1.65 E RAdeg 7.0 E DEdeg 8.2 Posflg
Corr 0.1
 
 
21039+4138 C
 
 
Coord arcsec 2000 210345.34+413557.2 Mag 13.23 PmRA -11.00 PmDE -9.0
Calc delta mag 6.86 Calc coord yes