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Doubles in session


Current system
18425+0518
TDT 1014
HD 172900


Nearby doubles
21' : 18433+0502
J 527

24' : 18428+0541
TOK 324

28' : 18429+0545
BU 136

28' : 18437+0539
STT 361

38' : 18436+0444
A 357

39' : 18425+0439
HJ 866AB

39' : 18427+0556
WOL 3AB

46' : 18455+0530
STF2375AB

48' : 18413+0433
J 2143

54' : 18391+0535
GWP2789AB

56' : 18431+0612
CRT 9AB

56' : 18454+0444
BAL2935

56' : 18427+0613
CRT 22AB

62' : 18465+0504
KPP4120

62' : 18385+0504
BAL2933

64' : 18387+0451
STT 360

64' : 18388+0446
RAO 395

73' : 18379+0451
LDS5241

73' : 18468+0443
TDT1051

74' : 18425+0631
CRT 25AB

74' : 18327+0504
BAL3014AB

82' : 18379+0432
BAL2932

84' : 18465+0420
TDT1050

85' : 18390+0624
SLE 498

87' : 18443+0640
CRT 6AB

91' : 18412+0645
J 1273



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.

18425+0518 TDT 1014 (HD 172900)

 
 
18h 42m 30.25s +05° 17' 44.3" P.A. 339.00 sep 0.7 mag 9.96,10.58 Sp A3
 
 
Coord 2000 18425+0518 Discov num TDT1014 Comp Coord arcsec 2000 18 42 30.25 +05 17 44.3
Date first 1991 Date last 2016 Obs 2
Pa first 333 Pa last 338.6 P.A. Now (θ) 338.6°
Sep first 0.6 Sep last 0.731 Sep. Now (ρ) 0.731"
Mag pri 9.96 Mag sec 10.58 delta mag (ΔM) 0.62 Spectral class A3 (white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec +006 Sec motion dec +006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172900 Constellation Serpens Tycho2 0455-00240-1 Gaia DR2 4283763238153225728
HD 172900
 
 
WDS 18425+0518 TDT 1014 (HD 172900) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18425+0518 TDT1014 1991 1 333 0.6 9.96 10.58 184230.25+051744.3
18425+0518 TDT1014 2016 2 339 0.7 9.96 10.58 A3 184230.25+051744.3

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

 
 
WDS 18425+0518 TDT 1014 (HD 172900) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18425+0518 TDT 1014 (HD 172900) : MEASURES
 
 
No records found.

 
 
WDS 18425+0518 (HD 172900) : VIRTUAL EYEPIECE
 
 

18425+0518 TDT1014A mag 9.96 Sp A3 18425+0518 TDT1014B sep 0.7 P.A. 338.70 mag 10.58 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 18425+0518 (HD 172900) : ALADIN DSS IMAGE @ 18h 42m 30.25s +05° 17' 44.3"
 
 
 
 
WDS 18425+0518 TDT 1014 (HD 172900) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18425+0518 TDT1014 distance=0' 18433+0502 J 527 distance=21' 18428+0541 TOK 324 distance=24' 18429+0545 BU 136 distance=28' 18437+0539 STT 361 distance=28' 18436+0444 A 357 distance=38' 18425+0439 HJ 866AB distance=39' 18425+0439 HJ 866AC distance=39' 18427+0556 WOL 3AB distance=39' 18427+0556 CRT 11AC distance=39' 18427+0556 CRT 11AD distance=39' 18427+0556 CRT 11AE distance=39' 18427+0556 CRT 11AF distance=39' 18427+0556 CRT 11AG distance=39' 18427+0556 CRT 11AH distance=39' 18427+0556 CRT 11AI distance=39' 18427+0556 CRT 11AJ distance=39' 18427+0556 CRT 11AK distance=39' 18427+0556 CRT 11AL distance=39' 18427+0556 CRT 11AM distance=39' 18427+0556 CRT 11AN distance=39' 18427+0556 CRT 11AO distance=39' 18427+0556 CRT 11AP distance=39' 18427+0556 CRT 11AQ distance=39' 18427+0556 CRT 11AR distance=39' 18427+0556 CRT 11AS distance=39' 18427+0556 CRT 11AT distance=39' 18427+0556 CRT 11AU distance=39' 18427+0556 CRT 11AV distance=39' 18427+0556 CRT 11A,Wa distance=39' 18427+0556 CRT 11A,Wb distance=39' 18427+0556 CRT 11A,Wc distance=39' 18427+0556 CRT 11A,Wd distance=39' 18427+0556 CRT 11A,We distance=39' 18427+0556 CRT 11A,Wf distance=39' 18427+0556 CRT 11A,Wg distance=39' 18427+0556 CRT 11A,Wh distance=39' 18427+0556 CRT 11A,Wi distance=39' 18427+0556 CRT 11A,Wj distance=39' 18427+0556 CRT 11A,Wk distance=39' 18427+0556 CRT 11A,Wl distance=39' 18427+0556 CRT 11A,Wm distance=39' 18427+0556 CRT 11A,Wn distance=39' 18427+0556 CRT 11A,Wo distance=39' 18427+0556 CRT 11A,Wp distance=39' 18455+0530 FIN 332Aa,Ab distance=46' 18455+0530 STF2375AB distance=46' 18455+0530 FIN 332Ba,Bb distance=46' 18413+0433 J 2143 distance=48' 18391+0535 GWP2789AB distance=54' 18391+0535 GWP2790AC distance=54' 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 18425+0518 TDT1014 339 0.7
Show 18433+0502 J 527 40 3.2 21
Show 18428+0541 TOK 324 246 222.4 24
Show 18429+0545 BU 136 7 4.6 28
Show 18437+0539 STT 361 172 22.6 28
Show 18436+0444 A 357 71 0.6 38
Show 18425+0439 HJ 866 AB 83 17.7 39
Show 18425+0439 HJ 866 AC 322 12.7 39
Show 18427+0556 WOL 3 AB 307 2.5 39
Show 18427+0556 CRT 11 AC 163 3.1 39
Show 18427+0556 CRT 11 AD 223 4.1 39
Show 18427+0556 CRT 11 AE 217 7.6 39
Show 18427+0556 CRT 11 AF 56 8.0 39
Show 18427+0556 CRT 11 AG 263 8.8 39
Show 18427+0556 CRT 11 AH 5 10.4 39
Show 18427+0556 CRT 11 AI 113 10.8 39
Show 18427+0556 CRT 11 AJ 211 11.0 39
Show 18427+0556 CRT 11 AK 159 11.3 39
Show 18427+0556 CRT 11 AL 119 11.4 39
Show 18427+0556 CRT 11 AM 206 11.7 39
Show 18427+0556 CRT 11 AN 104 12.0 39
Show 18427+0556 CRT 11 AO 235 12.0 39
Show 18427+0556 CRT 11 AP 256 12.3 39
Show 18427+0556 CRT 11 AQ 178 12.8 39
Show 18427+0556 CRT 11 AR 13 12.8 39
Show 18427+0556 CRT 11 AS 4 13.4 39
Show 18427+0556 CRT 11 AT 293 13.5 39
Show 18427+0556 CRT 11 AU 94 14.5 39
Show 18427+0556 CRT 11 AV 102 14.8 39
Show 18427+0556 CRT 11 A,Wa 31 16.1 39
Show 18427+0556 CRT 11 A,Wb 164 16.4 39
Show 18427+0556 CRT 11 A,Wc 311 16.5 39
Show 18427+0556 CRT 11 A,Wd 237 16.7 39
Show 18427+0556 CRT 11 A,We 177 17.4 39
Show 18427+0556 CRT 11 A,Wf 50 17.6 39
Show 18427+0556 CRT 11 A,Wg 26 18.0 39
Show 18427+0556 CRT 11 A,Wh 221 18.2 39
Show 18427+0556 CRT 11 A,Wi 233 18.4 39
Show 18427+0556 CRT 11 A,Wj 77 18.8 39
Show 18427+0556 CRT 11 A,Wk 62 18.9 39
Show 18427+0556 CRT 11 A,Wl 292 18.9 39
Show 18427+0556 CRT 11 A,Wm 31 19.6 39
Show 18427+0556 CRT 11 A,Wn 120 19.6 39
Show 18427+0556 CRT 11 A,Wo 315 19.7 39
Show 18427+0556 CRT 11 A,Wp 332 20.0 39
Show 18455+0530 FIN 332 Aa,Ab 142 0.0 46
Show 18455+0530 STF2375 AB 120 2.6 46
Show 18455+0530 FIN 332 Ba,Bb 324 0.1 46
Show 18413+0433 J 2143 319 15.2 48
Show 18391+0535 GWP2789 AB 359 35.5 54
Show 18391+0535 GWP2790 AC 267 107.3 54

 
 
WDS 18425+0518 : COMPONENTS
 
 
  A
B pa=338.7°
sep=0.73"
 
 
18425+0518 A
 
 
Componente originario normalizzato AB Name HD 172900 Coord arcsec 2000 184230.25+051744.3 Mag 9.96
Spectral class A3 (white) PmRA 4.00 PmDE 6.0 Tycho2 0455-00240-1
HD 172900
Tycho2
Tycho2 0455-00240-1 Pflag RAmdeg 280.62603827 DEmdeg 5.29568773
PmRA 3.9 PmDE 6.1 E RAmdeg 13 E DEmdeg 14
E pmRA 2.0 E pmDE 2.0 EpRAm 1990.44 EpDEm 1990.16
Num 6 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.9 BTmag 9.915 E BTmag 0.026 VTmag 9.630
E VTmag 0.025 Prox 999 TYC T HIP
CCDM RAdeg 280.62602750 DEdeg 5.29567417 EpRA 1990 1.76
EpDE 1990 1.68 E RAdeg 13.7 E DEdeg 14.8 Posflg P
Corr -0.1
 
 
18425+0518 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184230.23+051745.0 Mag 10.58 PmRA 4.00
PmDE 6.0 Calc delta mag 0.62 Calc coord yes