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Doubles in session


Current system
17280-5218
HDO 272 AB


Nearby doubles
25' : 17306-5220
RST3104

26' : 17261-5159
BRT 965

28' : 17254-5233
LPO 62

29' : 17303-5159
RST 931

34' : 17291-5146
BRT 973

35' : 17279-5253
KPP4039AB

40' : 17262-5142
CPO 525

45' : 17239-5154
HJ 4941

45' : 17290-5134
BRT 972

45' : 17302-5138
LDS 599

49' : 17274-5129
BRT 967

54' : 17303-5308
RST3101

57' : 17221-5200
KPP3000

61' : 17341-5240
KPP 688

61' : 17214-5226
B 2833AB

62' : 17339-5150
RST 940

66' : 17314-5121
BRT 974

68' : 17293-5111
SWR 222

70' : 17232-5313
TDT 331

72' : 17346-5256
CPO 533AB

73' : 17358-5223
TDT 425

75' : 17235-5116
BRT 963

80' : 17340-5122
RST5598

87' : 17303-5341
TDT 387

89' : 17232-5101
HDS2454

90' : 17333-5103
TDS 870



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17280-5218 HDO 272 AB

 
 
17h 27m 57.62s -52° 17' 49.3" P.A. 356.00 sep 31.2 mag 5.75,13.00 Sp K2III dist. 109.65 pc (357.68 l.y.)
 
 
Coord 2000 17280-5218 Discov num HDO 272 Comp AB Coord arcsec 2000 17 27 57.62 -52 17 49.3
Date first 1891 Date last 1998 Obs 2
Pa first 355 Pa last 356.3 P.A. Now (θ) 356.3°
Sep first 17.0 Sep last 31.18 Sep. Now (ρ) 31.18"
Mag pri 5.75 Mag sec 13.00 delta mag (ΔM) 7.25 Spectral class K2III (yellow-orange)
Pri motion ra -006 Sec motion ra
Pri motion dec -065 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17280-5218 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 244763 17 27 58 -52 17 49 HDO 272 AB 1998 2 356 31.2 5.75 13.00 7.25 <===
Show 244763 17 27 58 -52 17 49 HDO 272 AC 2000 3 336 37.7 5.75 14.00 8.25
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ara SAO 244763 HIP 85470 Tycho2 8354-00415-1
Gaia DR2 5925120866207447680 HD 157753 HR 6483 GC 23616
CP CP-5210662 FK5 3386 Distance 109.65 Distance ly 357.68
 
 
WDS 17280-5218 HDO 272 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HdO1882a Mb - Harvard Obs. 1882AnHar..13...17.
HdO1882a Harvard Ann. 13, 17, 1882
HdO1882b Ma j Harvard Obs. (measure by Alden, G.I.) 1882AnHar..13...17.
HdO1882b Harvard Ann. 13, 17, 1882
HdO1882c Ma - Harvard Obs. (measure by Davis, W.M.) 1882AnHar..13...17.
HdO1882c Harvard Ann. 13, 17, 1882
HdO1906A Ma - Harvard Obs. 1906QB821.B972.....
HdO1906A cited in BDS (Burnham Double Star Cat., 1906)
HdO9999 Ma - Harvard Obs. ...................
HdO9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17280-5218 HDO 272 AB 1891 1 355 17.0 5.75 13.00 K2III 172757.62-521749.3
17280-5218 HDO 272 AB 1998 2 356 31.2 5.75 13.00 K2III 172757.62-521749.3
17280-5218 HDO 272 AB 2000 3 356 31.5 5.75 13.00 K2III 172757.62-521749.3

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

 
 
WDS 17280-5218 HDO 272 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17280-5218 HDO 272 AB : MEASURES
 
 
No records found.

 
 
WDS 17280-5218 : VIRTUAL EYEPIECE
 
 

17280-5218 HDO 272A mag 5.75 Sp K2III 17280-5218 HDO 272B sep 31.1 P.A. 357.70 mag 13 17280-5218 HDO 272C sep 35.6 P.A. 344.40 mag 14 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 17280-5218 : ALADIN DSS IMAGE @ 17h 27m 57.62s -52° 17' 49.3"
 
 
 
 
WDS 17280-5218 HDO 272 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17280-5218 HDO 272AB distance=0' 17306-5220 RST3104 distance=25' 17261-5159 BRT 965 distance=26' 17254-5233 LPO 62 distance=28' 17303-5159 RST 931 distance=29' 17291-5146 BRT 973 distance=34' 17279-5253 KPP4039AB distance=35' 17262-5142 CPO 525 distance=40' 17239-5154 HJ 4941 distance=45' 17290-5134 BRT 972 distance=45' 17302-5138 LDS 599 distance=45' 17274-5129 BRT 967 distance=49' 17303-5308 RST3101 distance=54' 17221-5200 KPP3000 distance=57' 17341-5240 KPP 688 distance=61' 17214-5226 B 2833AB distance=61' 17214-5226 B 2833BC distance=61' 17339-5150 RST 940 distance=62' 17314-5121 BRT 974 distance=66' 17293-5111 SWR 222 distance=68' 17232-5313 TDT 331 distance=70' 17346-5256 CPO 533AB distance=72' 17358-5223 TDT 425 distance=73' 17235-5116 BRT 963 distance=75' 17340-5122 RST5598 distance=80' 17303-5341 TDT 387 distance=87' 17232-5101 HDS2454 distance=89' 17333-5103 TDS 870 distance=90' 17218-5107 BRT 959 distance=91' 17290-5048 CPO 527 distance=91' 17182-5245 B 1854 distance=94' 17335-5059 TDT 410 distance=95' 17346-5102 TDT 421 distance=99' 17295-5040 SWR 223 distance=99' 17272-5038 SEE 328BC distance=100' 17272-5038 SEE 328AB distance=101' 17272-5038 SEE 328AD distance=101' 17193-5323 DUN 215CD distance=102' 17260-5038 HDO 313AB distance=102' 17260-5038 HDO 313AC distance=102' 17243-5354 KPP 397 distance=102' 17193-5323 DUN 215AB distance=102' 17193-5323 DUN 215AC distance=102' 17325-5045 BRT 979 distance=103' 17391-5202 RST3112 distance=104' 17386-5255 B 1337 distance=105' 17164-5213 TDT 295 distance=107' 17162-5203 RST 912 distance=109' 17374-5103 LDS 606 distance=115' 17308-5410 TDT 391 distance=116' 17332-5033 RSS 448 distance=116' 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 17280-5218 HDO 272 AB 356 31.2
Show 17280-5218 HDO 272 AC 336 37.7
Show 17306-5220 RST3104 54 1.1 25
Show 17261-5159 BRT 965 134 8.1 26
Show 17254-5233 LPO 62 90 10.1 28
Show 17303-5159 RST 931 340 0.5 29
Show 17291-5146 BRT 973 43 4.2 34
Show 17279-5253 KPP4039 AB 309 9.5 35
Show 17262-5142 CPO 525 176 5.5 40
Show 17239-5154 HJ 4941 315 5.7 45
Show 17290-5134 BRT 972 108 5.7 45
Show 17302-5138 LDS 599 101 47.6 45
Show 17274-5129 BRT 967 141 3.5 49
Show 17303-5308 RST3101 169 1.6 54
Show 17221-5200 KPP3000 95 2.9 57
Show 17341-5240 KPP 688 164 6.1 61
Show 17214-5226 B 2833 AB 308 23.9 61
Show 17214-5226 B 2833 BC 14 4.8 61
Show 17339-5150 RST 940 325 0.1 62
Show 17314-5121 BRT 974 325 4.0 66
Show 17293-5111 SWR 222 36 24.2 68
Show 17232-5313 TDT 331 94 0.4 70
Show 17346-5256 CPO 533 AB 197 13.6 72
Show 17358-5223 TDT 425 74 3.6 73
Show 17235-5116 BRT 963 135 4.6 75
Show 17340-5122 RST5598 217 3.8 80
Show 17303-5341 TDT 387 116 0.7 87
Show 17232-5101 HDS2454 150 0.3 89
Show 17333-5103 TDS 870 286 0.9 90
Show 17218-5107 BRT 959 99 5.1 91
Show 17290-5048 CPO 527 34 4.0 91
Show 17182-5245 B 1854 102 1.4 94
Show 17335-5059 TDT 410 128 1.1 95
Show 17346-5102 TDT 421 346 0.4 99
Show 17295-5040 SWR 223 209 13.1 99
Show 17272-5038 SEE 328 BC 272 4.2 100
Show 17272-5038 SEE 328 AB 159 75.5 101
Show 17272-5038 SEE 328 AD 166 40.6 101
Show 17193-5323 DUN 215 CD 157 13.0 102
Show 17260-5038 HDO 313 AB 187 47.7 102
Show 17260-5038 HDO 313 AC 110 41.3 102
Show 17243-5354 KPP 397 140 3.7 102
Show 17193-5323 DUN 215 AB 43 61.6 102
Show 17193-5323 DUN 215 AC 89 63.3 102
Show 17325-5045 BRT 979 234 5.8 103
Show 17391-5202 RST3112 80 2.0 104
Show 17386-5255 B 1337 270 3.2 105
Show 17164-5213 TDT 295 305 0.6 107
Show 17162-5203 RST 912 17 2.0 109
Show 17374-5103 LDS 606 266 12.9 115
Show 17308-5410 TDT 391 330 0.6 116

 
 
WDS 17280-5218 : COMPONENTS
 
 
  A B
B pa=357.7°
sep=31.14"
 
C pa=344.4°
sep=35.60"
pa=290.9°
sep=8.92"
 
 
17280-5218 A
 
 
Coord arcsec 2000 172757.62-521749.3 Mag 5.75 Spectral class K2III (yellow-orange) PmRA -6.00
PmDE -65.0 SAO 244763 HIP 85470 Tycho2 8354-00415-1
HD 157753 HR 6483 GC 23616 CP CP-5210662
FK5 3386
Tycho2
Tycho2 8354-00415-1 Pflag RAmdeg 261.99003358 DEmdeg -52.29718153
PmRA -7.8 PmDE -63.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.36 EpDEm 1991.46
Num 15 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.7 BTmag 7.238 E BTmag 0.015 VTmag 5.854
E VTmag 0.010 Prox 999 TYC T HIP 85470
CCDM RAdeg 261.99006250 DEdeg -52.29703583 EpRA 1990 1.73
EpDE 1990 1.71 E RAdeg 3.9 E DEdeg 4.3 Posflg
Corr 0.0
SAO
SAO 244763 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.051 Vmag 5.8 SpType K0
Double code Source 70 CatNum 23616 DM CP-5210662
DMcomp BDsup HD 157753 M HD 0
GC 23616 RA1950rad 4.55519618 DE1950rad -0.91202214 PmRA2000 -0.0007
PmDE2000 -0.052
Hipparcos
Catalog H HIP 85470 Proxy RAhms 17 27 57.62
DEdms -52 17 49.3 Vmag 5.72 VarFlag R Vmag H
RAdeg 261.99 DEdeg -52.297 AstroRef Plx 10.44
CCDM 17280-5218 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 157753 BD
CD CP CP-5210662 Dm number -5210662 VIred 1.11
SpType K2III R SpType Coord arcsec 2000 172757.62-521749.3
Hipparcos 2
HIP 85470 Sn 7 So 1 Nc 1
RArad 4.5725892553 DErad -0.9127553474 Plx 9.12 PmRA -14.5
PmDE -58.43 E RArad 0.44 E DErad 0.3 E Plx 0.53
E pmRA 0.63 E pmDE 0.44 Hpmag 5.8893 E Hpmag 0.0008
SHp 0.006 VA 0 BV 1.169 E BV 0.008
VI 1.13
CCDM
Ccdm 17280-5218 RComp Comp A Note1
Note2 Discov num DRAs -2.41 DDEs 10.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.8 Sp K0 PmNote *
PmRA -7 PmDE -53 Dm number -5210662 Cat1 CPD
Name2 244763 Cat2 SAO HD 157753 M HD
ADS BDS M ADS BDS N IDS IDS 17200S5212A
HIC 85470
 
 
17280-5218 B
 
 
Coord arcsec 2000 172757.49-521718.2 Mag 13 Calc delta mag 7.25 Calc coord yes
CCDM
Ccdm 17280-5218 RComp Comp B Note1
Note2 Discov num HDO 272 DRAs DDEs
R dRAs Year Theta 355 Rho 17.0
Obs Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17200S5212B
HIC
 
 
17280-5218 C
 
 
Coord arcsec 2000 172756.58-521715.0 Mag 14 Calc delta mag 8.25 Calc coord yes
CCDM
Ccdm 17280-5218 RComp Comp C Note1
Note2 Discov num HDO 272 DRAs DDEs
R dRAs Year Theta 330 Rho 25.0
Obs Vmag 14.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17200S5212C
HIC