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Current system
18545+0154
STTA 176 AB
HD 175272


Nearby doubles
35' : 18526+0212
TDS 951

43' : 18541+0112
RST5457

45' : 18564+0228
J 2681AB

51' : 18570+0228
HJ 5504

54' : 18573+0121
J 2158

59' : 18553+0251
ROE 8

66' : 18588+0207
MIL 6

69' : 18562-0050
BAL 897AB

71' : 18563-0048
A 1171AB

75' : 18586+0237
A 2194AB

77' : 18583+0102
J 1268

81' : 18574+0302
UC 242

82' : 18596+0123
RST5459

84' : 18562-0034
BU 972AB

88' : 18571-0036
BAL 900

88' : 18569-0034
J 472AB

91' : 18534+0323
STF2413

91' : 18559+0323
A 2193

92' : 18512-0037
A 860

93' : 18582+0040
LDS5869

95' : 18570-0027
BAL 899

96' : 18558+0327
A 2192

96' : 18578+0315
UC 243

96' : 19002+0237
J 474

97' : 18481+0203
J 2530

107' : 18568+0013
RST5458



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.

18545+0154 STTA 176 AB (HD 175272)

 
 
18h 54m 30.59s +01° 53' 51.5" P.A. 112.00 sep 94.3 mag 7.45,7.51 Sp F5 dist. 88.5 pc (288.69 l.y.)
 
 
Coord 2000 18545+0154 Discov num STTA176 Comp AB Coord arcsec 2000 18 54 30.59 +01 53 51.5
Date first 1874 Date last 2018 Obs 34
Pa first 116 Pa last 111.6 P.A. Now (θ) 111.6°
Sep first 97.4 Sep last 94.3 Sep. Now (ρ) 94.3"
Mag pri 7.45 Mag sec 7.51 delta mag (ΔM) 0.06 Spectral class F5 (yellow-white)
Pri motion ra +006 Sec motion ra +000
Pri motion dec -062 Sec motion dec -014
Notes Y (Parallax indicates components are non-physical)
rPM=0.777
This double is not physical.
 
 
18545+0154 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 175272 124028 18 54 31 +01 53 52 STTA 176 AB 2018 34 112 94.3 7.45 7.51 0.06 <===
Show 124028 18 54 31 +01 53 52 STTA 176 AC 2015 13 4 155.5 7.45 10.81 3.36
Show 124030 18 54 36 +01 53 15 STTA 176 BD 2015 12 358 150.2 7.51 11.00 3.49
Show 18 54 31 +01 56 25 STTA 176 CD 2015 12 119 82.0 10.81 11.00 0.19
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 175272 Constellation Aquila SAO 124028 HIP 92794
Tycho2 0453-00293-1 Gaia DR2 4267121171891817216 HD 175272 BD BD+01 3814
Distance 88.5 Distance ly 288.69
 
 
WDS 18545+0154 STTA 176 AB (HD 175272) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18545+0154 STTA176 AB 2004 27 113 94.8 7.45 7.51 F5 YD 185430.59+015351.5
18545+0154 STTA176 AB 2011 29 113 94.3 7.45 7.51 F5 YD 185430.59+015351.5
18545+0154 STTA176 AB 2017 31 112 94.0 7.45 7.51 F5 Y 185430.59+015351.5
18545+0154 STTA176 AB 2018 32 112 94.3 7.45 7.51 F5 Y 185430.59+015351.5

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

 
 
WDS 18545+0154 STTA 176 AB (HD 175272) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18545+0154 STTA 176 AB (HD 175272) : MEASURES
 
 
No records found.

 
 
WDS 18545+0154 (HD 175272) : VIRTUAL EYEPIECE
 
 

18545+0154 STTA176A mag 7.45 Sp F5 18545+0154 STTA176B sep 94.8 P.A. 112.70 mag 7.51 Sp K0 18545+0154 STTA176C sep 154.1 P.A. 4.50 mag 10.81 18545+0154 STTA176D sep 140.7 P.A. 36.20 mag 11 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 18545+0154 (HD 175272) : ALADIN DSS IMAGE @ 18h 54m 30.59s +01° 53' 51.5"
 
 
 
 
WDS 18545+0154 STTA 176 AB (HD 175272) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18545+0154 STTA176AB distance=0' 18545+0154 STTA176BD distance=2' 18545+0154 STTA176CD distance=3' 18526+0212 TDS 951 distance=35' 18541+0112 RST5457 distance=43' 18564+0228 J 2681AB distance=45' 18564+0228 J 2681BC distance=47' 18570+0228 HJ 5504 distance=51' 18573+0121 J 2158 distance=54' 18553+0251 ROE 8 distance=59' 18588+0207 MIL 6 distance=66' 18562-0050 BAL 897AB distance=69' 18562-0050 BAL 897AC distance=69' 18563-0048 A 1171AB distance=71' 18563-0048 STF2414AC distance=71' 18586+0237 A 2194AB distance=75' 18583+0102 J 1268 distance=77' 18574+0302 UC 242 distance=81' 18596+0123 RST5459 distance=82' 18562-0034 BU 972AB distance=84' 18562-0034 BU 972AC distance=84' 18571-0036 BAL 900 distance=88' 18569-0034 J 472AB distance=88' 18569-0034 J 2682AC distance=88' 18534+0323 STF2413 distance=91' 18559+0323 A 2193 distance=91' 18512-0037 A 860 distance=92' 18582+0040 LDS5869 distance=93' 18570-0027 BAL 899 distance=95' 18558+0327 A 2192 distance=96' 18578+0315 UC 243 distance=96' 19002+0237 J 474 distance=96' 18481+0203 J 2530 distance=97' 18568+0013 RST5458 distance=107' 18554-0007 HJ 871 distance=108' 18473+0136 TDT1055 distance=110' 18528+0006 BAL 895 distance=111' 18578+0339 BAL2501 distance=116' 18590+0330 ALL 3A,BC distance=117' 18590+0330 VOU 39BC distance=118' 19014-0057 TDS 959 distance=118' 19014-0056 GII 67 distance=119' 19021+0230 BAL1973 distance=120' 19028+0146 A 2195 distance=126' 19028+0131 BAL1505 distance=126' 18597-0019 J 1754AB distance=126' 18597-0019 J 1754AC distance=126' 18490+0018 A 2263 distance=126' 18514+0351 DOO 72 distance=127' 18583+0347 HDS2690 distance=127' 19008-0027 HJ 874AB distance=128' 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 18545+0154 STTA176 AB 112 94.3
Show 18545+0154 STTA176 AC 4 155.5
Show 18545+0154 STTA176 BD 358 150.2 2
Show 18545+0154 STTA176 CD 119 82.0 3
Show 18526+0212 TDS 951 113 0.7 35
Show 18541+0112 RST5457 209 1.7 43
Show 18564+0228 J 2681 AB 34 83.4 45
Show 18564+0228 J 2681 BC 101 6.2 47
Show 18570+0228 HJ 5504 306 68.6 51
Show 18573+0121 J 2158 62 6.1 54
Show 18553+0251 ROE 8 246 5.6 59
Show 18588+0207 MIL 6 87 0.5 66
Show 18562-0050 BAL 897 AB 168 13.6 69
Show 18562-0050 BAL 897 AC 166 14.2 69
Show 18563-0048 A 1171 AB 80 0.9 71
Show 18563-0048 STF2414 AC 278 17.1 71
Show 18586+0237 A 2194 AB 325 1.5 75
Show 18583+0102 J 1268 191 1.7 77
Show 18574+0302 UC 242 180 19.8 81
Show 18596+0123 RST5459 359 0.7 82
Show 18562-0034 BU 972 AB 2 1.1 84
Show 18562-0034 BU 972 AC 13 74.0 84
Show 18571-0036 BAL 900 18 16.4 88
Show 18569-0034 J 472 AB 120 5.0 88
Show 18569-0034 J 2682 AC 13 19.1 88
Show 18534+0323 STF2413 200 10.3 91
Show 18559+0323 A 2193 357 1.0 91
Show 18512-0037 A 860 258 0.1 92
Show 18582+0040 LDS5869 310 3.8 93
Show 18570-0027 BAL 899 197 10.3 95
Show 18558+0327 A 2192 319 0.2 96
Show 18578+0315 UC 243 91 10.8 96
Show 19002+0237 J 474 101 2.9 96
Show 18481+0203 J 2530 232 1.4 97
Show 18568+0013 RST5458 322 0.8 107
Show 18554-0007 HJ 871 49 12.6 108
Show 18473+0136 TDT1055 89 0.4 110
Show 18528+0006 BAL 895 149 3.6 111
Show 18578+0339 BAL2501 346 3.7 116
Show 18590+0330 ALL 3 A,BC 47 34.7 117
Show 18590+0330 VOU 39 BC 175 0.2 118
Show 19014-0057 TDS 959 320 0.8 118
Show 19014-0056 GII 67 188 5.2 119
Show 19021+0230 BAL1973 190 10.7 120
Show 19028+0146 A 2195 39 2.0 126
Show 19028+0131 BAL1505 356 18.6 126
Show 18597-0019 J 1754 AB 246 9.1 126
Show 18597-0019 J 1754 AC 356 8.1 126
Show 18490+0018 A 2263 103 1.5 126
Show 18514+0351 DOO 72 52 31.5 127
Show 18583+0347 HDS2690 14 0.1 127

 
 
WDS 18545+0154 : COMPONENTS
 
 
  A B C
B pa=112.7°
sep=94.76"
 
C pa=4.5°
sep=154.07"
pa=338.4°
sep=204.60"
 
D pa=36.2°
sep=140.73"
pa=358.4°
sep=150.15"
pa=119.4°
sep=81.73"
 
 
18545+0154 A
 
 
Name HD 175272 Coord arcsec 2000 185430.59+015351.5 Mag 7.45 Spectral class F5 (yellow-white)
PmRA 6.00 PmDE -62.0 SAO 124028 HIP 92794
Tycho2 0453-00293-1 HD 175272 BD BD+01 3814
Tycho2
Tycho2 0453-00293-1 Pflag RAmdeg 283.62746666 DEmdeg 1.89748988
PmRA 5.1 PmDE -59.5 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.47 EpDEm 1991.29
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.4 Q pmRA 0.8
Q pmDE 0.4 BTmag 7.885 E BTmag 0.015 VTmag 7.448
E VTmag 0.011 Prox 947 TYC T HIP 92794
CCDM RAdeg 283.62745500 DEdeg 1.89762528 EpRA 1990 1.82
EpDE 1990 1.82 E RAdeg 4.3 E DEdeg 4.9 Posflg
Corr -0.2
SAO
SAO 124028 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.07 Vmag 7.3 SpType F5
Double code Source 30 CatNum 6413 DM BD+01 3814
DMcomp BDsup HD 175272 M HD 0
GC RA1950rad 4.93920201 DE1950rad 0.03201202 PmRA2000 0.0005
PmDE2000 -0.071
Hipparcos
Catalog H HIP 92794 Proxy RAhms 18 54 30.59
DEdms +01 53 51.5 Vmag 7.44 VarFlag R Vmag H
RAdeg 283.627 DEdeg 1.89763 AstroRef Plx 11.82
CCDM 18546+0154 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 175272 BD BD+01 3814
CD CP Dm number +01 3814 VIred 0.5
SpType F5 R SpType Coord arcsec 2000 185430.59+015351.5
Hipparcos 2
HIP 92794 Sn 5 So 0 Nc 1
RArad 4.9502329184 DErad 0.0331199662 Plx 11.3 PmRA 6.16
PmDE -61.53 E RArad 0.53 E DErad 0.42 E Plx 0.63
E pmRA 0.56 E pmDE 0.47 Hpmag 7.5271 E Hpmag 0.0009
SHp 0.009 VA 0 BV 0.399 E BV 0.011
VI 0.46
 
 
18545+0154 B
 
 
Coord arcsec 2000 185436.42+015314.9 Coord calc 185436.42+015314.9 Mag 7.51 Spectral class K0 (yellow-orange)
PmRA 0.00 PmDE -14.0 SAO 124030 HIP 92807
Tycho2 0453-00078-1 HD 175294 BD BD+01 3815 Calc delta mag 0.06
Tycho2
Tycho2 0453-00078-1 Pflag RAmdeg 283.65175265 DEmdeg 1.88747143
PmRA -0.4 PmDE -14.2 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.22 EpDEm 1991.12
Num 10 Q RAmdeg 0.6 Q DEmdeg 0.7 Q pmRA 0.7
Q pmDE 0.7 BTmag 8.722 E BTmag 0.017 VTmag 7.512
E VTmag 0.011 Prox 947 TYC T HIP 92807
CCDM RAdeg 283.65175389 DEdeg 1.88750361 EpRA 1990 1.80
EpDE 1990 1.79 E RAdeg 5.1 E DEdeg 5.9 Posflg
Corr -0.3
SAO
SAO 124030 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.013 Vmag 7.3 SpType K0
Double code Source 30 CatNum 6414 DM BD+01 3815
DMcomp BDsup HD 175294 M HD 0
GC RA1950rad 4.93962578 DE1950rad 0.03182465 PmRA2000 0.0002
PmDE2000 -0.014
Hipparcos
Catalog H HIP 92807 Proxy RAhms 18 54 36.42
DEdms +01 53 15.0 Vmag 7.4 VarFlag R Vmag H
RAdeg 283.652 DEdeg 1.88751 AstroRef Plx 3.44
CCDM 18546+0154 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 175294 BD BD+01 3815
CD CP Dm number +01 3815 VIred 1.02
SpType K0 R SpType Coord arcsec 2000 185436.42+015315.0
Hipparcos 2
HIP 92807 Sn 5 So 0 Nc 1
RArad 4.9506570906 DErad 0.0329432649 Plx 2.94 PmRA 0.38
PmDE -14.17 E RArad 0.58 E DErad 0.43 E Plx 0.66
E pmRA 0.58 E pmDE 0.47 Hpmag 7.5704 E Hpmag 0.0015
SHp 0.011 VA 0 BV 1.071 E BV 0.01
VI 1.04
 
 
18545+0154 C
 
 
Coord arcsec 2000 185431.39+015625.1 Coord calc 185431.39+015625.1 Mag 10.81 PmRA -5.00
PmDE -10.0 Tycho2 0453-00122-1 Calc delta mag 3.36
Tycho2
Tycho2 0453-00122-1 Pflag RAmdeg 283.63079169 DEmdeg 1.94033177
PmRA -6.4 PmDE -11.3 E RAmdeg 31 E DEmdeg 30
E pmRA 1.6 E pmDE 1.6 EpRAm 1986.29 EpDEm 1982.23
Num 4 Q RAmdeg 0.6 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.6 BTmag 11.376 E BTmag 0.064 VTmag 10.813
E VTmag 0.061 Prox 820 TYC T HIP
CCDM RAdeg 283.63080861 DEdeg 1.94036389 EpRA 1990 1.81
EpDE 1990 1.73 E RAdeg 32.9 E DEdeg 43.2 Posflg
Corr 0.0
 
 
18545+0154 D
 
 
Coord arcsec 2000 185436.14+015545.0 Mag 11 PmRA -3.00 PmDE -6.0
Tycho2 0453-00090-1 Calc delta mag 3.55 Calc coord yes
Tycho2
Tycho2 0453-00090-1 Pflag RAmdeg 283.65061779 DEmdeg 1.92913087
PmRA -3.1 PmDE -6.8 E RAmdeg 26 E DEmdeg 39
E pmRA 1.6 E pmDE 1.6 EpRAm 1985.09 EpDEm 1980.52
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.6 Q pmRA 1.2
Q pmDE 0.6 BTmag 11.332 E BTmag 0.067 VTmag 11.002
E VTmag 0.074 Prox 820 TYC T HIP
CCDM RAdeg 283.65063306 DEdeg 1.92914194 EpRA 1990 1.88
EpDE 1990 1.72 E RAdeg 33.4 E DEdeg 50.1 Posflg
Corr 0.1