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Current system
18401+0321
AG 224
HD 172425


Nearby doubles
13' : 18393+0315
BAL2498AB

17' : 18406+0307
STF2361

24' : 18410+0302
BU 1328

38' : 18425+0334
J 464AB

41' : 18375+0313
ARY 15

41' : 18386+0236
HJ 5500AB

43' : 18429+0324
BAL2499

45' : 18379+0352
KPP 421

46' : 18380+0248
LDS5240

56' : 18436+0337
TDT1019

56' : 18382+0410
TDT 968

59' : 18440+0321
A 2388

60' : 18374+0238
BU 1327

63' : 18439+0346
TDS 939

73' : 18439+0237
STF2369

73' : 18424+0218
BAL1969

75' : 18413+0433
J 2143

78' : 18379+0432
BAL2932

78' : 18449+0253
HEI 562

78' : 18357+0239
TDT 950

78' : 18360+0234
STN 43

87' : 18425+0439
HJ 866AB

87' : 18388+0446
RAO 395

91' : 18342+0341
ABT9001

93' : 18387+0451
STT 360

96' : 18379+0451
LDS5241



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.

18401+0321 AG 224 (HD 172425)

 
 
18h 40m 05.03s +03° 21' 24.0" P.A. 348.00 sep 22.1 mag 8.75,10.01 Sp B9.5V dist. 869.57 pc (2836.54 l.y.)
 
 
Coord 2000 18401+0321 Discov num AG  224 Comp Coord arcsec 2000 18 40 05.03 +03 21 24.0
Date first 1902 Date last 2015 Obs 23
Pa first 349 Pa last 347.8 P.A. Now (θ) 347.8°
Sep first 21.9 Sep last 22.111 Sep. Now (ρ) 22.111"
Mag pri 8.75 Mag sec 10.01 delta mag (ΔM) 1.26 Spectral class B9.5V (blue-white)
Pri motion ra +007 Sec motion ra +007
Pri motion dec -005 Sec motion dec -006
Notes V (Proper motion indicates physical)
rPM=0.108 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172425 Constellation Serpens SAO 123786 HIP 91537
Tycho2 0451-00286-1 Gaia DR2 4280089224370098944 HD 172425 BD BD+03 3769
Distance 869.57 Distance ly 2836.54
 
 
WDS 18401+0321 AG 224 (HD 172425) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AG T Astronomische Gesellschaft (see also ref codes KR and WFD)
AG (Mean aperture 8in given in catalog for all AG_ codes)
AG_1903A T j AG - Leipzig 1903LicOB...2..115H
AG_1903A cited by Hussey (Lick Obs. Bull. 2, 115, 1903)
AG_1906A T - AG - Leipzig 1906QB821.B972.....
AG_1906A +Ma cited in BDS (Burnham Double Star Cat.), 1906
AG_1906B T - AG - Leipzig 1906MmRAS..56....1L
AG_1906B cited by Lewis (MemRAS 56, 1, 1906)
AG_1906C T - AG - Lund 1906QB821.B972.....
AG_1906C cited in BDS (Burnham Double Star Cat.), 1906
AG_1906D T - AG - Strasbourg 1906QB821.B972.....
AG_1906D cited by Burnham (Burnham Double Star Cat.), 1906
AG_1913A T - AG - Albany 1913QB811.B8.......
AG_1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913B T - AG - Berlin 1913QB811.B8.......
AG_1913B cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913C T - AG - Bonn 1913QB811.B8.......
AG_1913C cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913D T - AG - Cambridge, England 1913QB811.B8.......
AG_1913D cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913E T - AG - Christiania 1913QB811.B8.......
AG_1913E cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913F T - AG - Harvard 1913QB811.B8.......
AG_1913F cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913G T - AG - Helsingfors 1913QB811.B8.......
AG_1913G cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913H T - AG - Leiden 1913QB811.B8.......
AG_1913H cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913I T - AG - Leipzig 1913QB811.B8.......
AG_1913I cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913J T - AG - Lund 1913QB811.B8.......
AG_1913J cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913K T - AG - Strasbourg 1913QB811.B8.......
AG_1913K cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913L T - AG - Wien-Ottakring 1913QB811.B8.......
AG_1913L cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913M T - AG - Oxford 1913QB811.B8.......
AG_1913M cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1932A T - AG - Leipzig 1932QB821.A43......
AG_1932A cited in ADS (Aitken Double Star Cat.), 1932
AG_1932B T - AG - Berlin 1932QB821.A43......
AG_1932B cited in ADS (Aitken Double Star Cat.), 1932
AG_1932C T - AG - Helsingfors 1932QB821.A43......
AG_1932C cited in ADS (Aitken Double Star Cat.), 1932
AG_1932D T - AG - Bonn 1932QB821.A43......
AG_1932D cited in ADS (Aitken Double Star Cat.), 1932
AG_1932E T - AG - Lund 1932QB821.A43......
AG_1932E cited in ADS (Aitken Double Star Cat.), 1932
AG_1932F T - AG - Cambridge, England 1932QB821.A43......
AG_1932F cited in ADS (Aitken Double Star Cat.), 1932
AG_1932G T - AG - Oxford 1932QB821.A43......
AG_1932G cited in ADS (Aitken Double Star Cat.), 1932
AG_2002A T - AG 2002yCat.1275....0D
AG_2002A cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18401+0321 AG 224 2004 14 348 22.2 8.75 10.01 A0 D 184005.03+032124.0
18401+0321 AG 224 2010 18 348 22.1 8.75 10.01 B9.5V Y 184005.03+032124.0
18401+0321 AG 224 2015 19 348 22.1 8.75 10.01 B9.5V Y 184005.03+032124.0

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

 
 
WDS 18401+0321 AG 224 (HD 172425) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18401+0321 AG 224 (HD 172425) : MEASURES
 
 
No records found.

 
 
WDS 18401+0321 (HD 172425) : VIRTUAL EYEPIECE
 
 

18401+0321 AG 224A mag 8.75 Sp B9.5V 18401+0321 AG 224B sep 22.1 P.A. 347.80 mag 10.01 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18401+0321 (HD 172425) : ALADIN DSS IMAGE @ 18h 40m 05.03s +03° 21' 24.0"
 
 
 
 
WDS 18401+0321 AG 224 (HD 172425) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18401+0321 AG 224 distance=1' 18393+0315 BAL2498AB distance=13' 18393+0315 BAL2498AC distance=13' 18406+0307 STF2361 distance=17' 18410+0302 BU 1328 distance=24' 18425+0334 J 464AB distance=38' 18425+0334 J 464AC distance=38' 18375+0313 ARY 15 distance=41' 18386+0236 HJ 5500AB distance=41' 18386+0236 DAM 381AC distance=41' 18386+0236 SKF2135AD distance=41' 18429+0324 BAL2499 distance=43' 18379+0352 KPP 421 distance=45' 18380+0248 LDS5240 distance=46' 18436+0337 TDT1019 distance=56' 18382+0410 TDT 968 distance=56' 18440+0321 A 2388 distance=59' 18374+0238 BU 1327 distance=60' 18439+0346 TDS 939 distance=63' 18439+0237 STF2369 distance=73' 18424+0218 BAL1969 distance=73' 18413+0433 J 2143 distance=75' 18379+0432 BAL2932 distance=78' 18449+0253 HEI 562 distance=78' 18357+0239 TDT 950 distance=78' 18360+0234 STN 43 distance=78' 18425+0439 HJ 866AB distance=87' 18425+0439 HJ 866AC distance=87' 18388+0446 RAO 395 distance=87' 18342+0341 ABT9001 distance=91' 18387+0451 STT 360 distance=93' 18379+0451 LDS5241 distance=96' 18344+0405 TDT 940 distance=96' 18436+0444 A 357 distance=98' 18464+0259 BAL1970 distance=99' 18334+0341 HJ 861 distance=104' 18385+0504 BAL2933 distance=106' 18473+0323 LDS5866 distance=109' 18360+0452 J 2138 distance=110' 18365+0457 HJ 864 distance=110' 18433+0502 J 527 distance=112' 18465+0420 TDT1050 distance=114' 18327+0504 BAL3014AB distance=114' 18327+0504 BAL3014BC distance=114' 18337+0426 GWP2786 distance=116' 18454+0444 BAL2935 distance=116' 18356+0456 BU 643AB distance=117' 18356+0456 STF2342AC distance=117' 18356+0456 FOX9031AD distance=117' 18360+0506 A 354 distance=122' 18425+0518 TDT1014 distance=122' 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 18401+0321 AG 224 348 22.1 1
Show 18393+0315 BAL2498 AB 64 6.6 13
Show 18393+0315 BAL2498 AC 109 14.8 13
Show 18406+0307 STF2361 211 24.9 17
Show 18410+0302 BU 1328 283 2.1 24
Show 18425+0334 J 464 AB 110 0.9 38
Show 18425+0334 J 464 AC 134 3.4 38
Show 18375+0313 ARY 15 142 153.6 41
Show 18386+0236 HJ 5500 AB 40 84.0 41
Show 18386+0236 DAM 381 AC 228 14.2 41
Show 18386+0236 SKF2135 AD 238 54.4 41
Show 18429+0324 BAL2499 319 11.5 43
Show 18379+0352 KPP 421 99 3.9 45
Show 18380+0248 LDS5240 6 3.3 46
Show 18436+0337 TDT1019 132 0.4 56
Show 18382+0410 TDT 968 35 0.4 56
Show 18440+0321 A 2388 131 0.3 59
Show 18374+0238 BU 1327 174 13.6 60
Show 18439+0346 TDS 939 68 1.3 63
Show 18439+0237 STF2369 25 0.3 73
Show 18424+0218 BAL1969 279 21.4 73
Show 18413+0433 J 2143 319 15.2 75
Show 18379+0432 BAL2932 297 18.3 78
Show 18449+0253 HEI 562 253 0.4 78
Show 18357+0239 TDT 950 262 0.5 78
Show 18360+0234 STN 43 28 10.1 78
Show 18425+0439 HJ 866 AB 83 17.7 87
Show 18425+0439 HJ 866 AC 322 12.7 87
Show 18388+0446 RAO 395 153 0.4 87
Show 18342+0341 ABT9001 339 20.0 91
Show 18387+0451 STT 360 282 1.7 93
Show 18379+0451 LDS5241 329 29.8 96
Show 18344+0405 TDT 940 340 0.4 96
Show 18436+0444 A 357 71 0.6 98
Show 18464+0259 BAL1970 253 2.8 99
Show 18334+0341 HJ 861 179 20.0 104
Show 18385+0504 BAL2933 235 19.3 106
Show 18473+0323 LDS5866 294 7.1 109
Show 18360+0452 J 2138 140 5.2 110
Show 18365+0457 HJ 864 326 19.6 110
Show 18433+0502 J 527 40 3.2 112
Show 18465+0420 TDT1050 134 0.5 114
Show 18327+0504 BAL3014 AB 56 22.2 114
Show 18327+0504 BAL3014 BC 34 9.5 114
Show 18337+0426 GWP2786 211 213.7 116
Show 18454+0444 BAL2935 161 5.8 116
Show 18356+0456 BU 643 AB 325 13.7 117
Show 18356+0456 STF2342 AC 33.6 117
Show 18356+0456 FOX9031 AD 323 35.3 117
Show 18360+0506 A 354 9 4.6 122
Show 18425+0518 TDT1014 339 0.7 122

 
 
WDS 18401+0321 : COMPONENTS
 
 
  A
B pa=347.8°
sep=22.11"
 
 
18401+0321 A
 
 
Componente originario normalizzato AB Name HD 172425 Coord arcsec 2000 184005.03+032124.0 Mag 8.75
Spectral class B9.5V (blue-white) PmRA 7.00 PmDE -5.0 SAO 123786
HIP 91538 Tycho2 0451-00286-1 HD 172425 BD BD+03 3769
Tycho2
Tycho2 0451-00286-1 Pflag RAmdeg 280.02097084 DEmdeg 3.35666493
PmRA 7.5 PmDE -7.2 E RAmdeg 6 E DEmdeg 7
E pmRA 0.8 E pmDE 0.9 EpRAm 1990.60 EpDEm 1990.65
Num 19 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.2 BTmag 8.907 E BTmag 0.017 VTmag 8.751
E VTmag 0.014 Prox 221 TYC T HIP 91538
CCDM A RAdeg 280.02095389 DEdeg 3.35668111 EpRA 1990 1.80
EpDE 1990 1.70 E RAdeg 6.2 E DEdeg 7.4 Posflg
Corr -0.2
SAO
SAO 123786 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 0.007 Vmag 8.8 SpType A0
Double code Source 30 CatNum 6321 DM BD+03 3769
DMcomp BDsup HD 172425 M HD 0
GC RA1950rad 4.87638143 DE1950rad 0.0577682 PmRA2000 0.0001
PmDE2000 0.006
Hipparcos
Catalog H HIP 91538 Proxy RAhms 18 40 05.03
DEdms +03 21 24.1 Vmag 8.74 VarFlag R Vmag H
RAdeg 280.021 DEdeg 3.35669 AstroRef A Plx 3.17
CCDM 18401+0322 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 172425 BD BD+03 3769
CD CP Dm number +03 3769 VIred 0.11
SpType A0 R SpType Coord arcsec 2000 184005.03+032124.1
Hipparcos 2
HIP 91538 Sn 95 So 3 Nc 1
RArad 4.8872876047 DErad 0.0585852087 Plx 6.1 PmRA 9.05
PmDE -4.77 E RArad 1.23 E DErad 0.94 E Plx 1.57
E pmRA 1.42 E pmDE 1.24 Hpmag 8.7992 E Hpmag 0.0342
SHp 0.035 VA 0 BV 0.163 E BV 0.019
VI 0.18
 
 
18401+0321 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184004.72+032145.6 Mag 10.01 PmRA 7.00
PmDE -6.0 HIP 91537 Calc delta mag 1.26 Calc coord yes
Hipparcos
Catalog H HIP 91537 Proxy RAhms 18 40 04.72
DEdms +03 21 45.7 Vmag 10.21 VarFlag R Vmag H
RAdeg 280.02 DEdeg 3.36268 AstroRef B Plx -3.39
CCDM 18401+0322 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.76
SpType R SpType Coord arcsec 2000 184004.72+032145.7
Hipparcos 2
HIP 91537 Sn 95 So 3 Nc 1
RArad 4.8872651835 DErad 0.0586899642 Plx 1.15 PmRA 3.7
PmDE -4.51 E RArad 9.49 E DErad 6.96 E Plx 11.69
E pmRA 11.58 E pmDE 9.77 Hpmag 10.1592 E Hpmag 0.0954
SHp 0 VA 0 BV 0.918 E BV 0.048
VI 0.92