17450-1646 VOU 42 (HD 161227)

 
 
17h 44m 59.25s -16° 45' 46.5" P.A. 311.00 sep 0.2 mag 8.62,9.17 Sp A9III dist. 204.92 pc (668.45 l.y.)
 
 
Coord 2000 17450-1646 Discov num VOU  42 Comp Coord arcsec 2000 17 44 59.25 -16 45 46.5
Date first 1937 Date last 2019 Obs 13
Pa first 73 Pa last 311.3 P.A. Now (θ) 311.3°
Sep first 0.2 Sep last 0.246 Sep. Now (ρ) 0.246"
Mag pri 8.62 Mag sec 9.17 delta mag (ΔM) 0.55 Spectral class A9III (white)
Pri motion ra +008 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161227 Constellation Sagittarius SAO 160798 HIP 86875
Tycho2 6249-00995-1 Gaia DR2 4123849927791444480 HD 161227 BD BD-16 4610
Distance 204.92 Distance ly 668.45
 
 
WDS 17450-1646 VOU 42 (HD 161227) : NOTES
 
 
discov_num notes refcode
VOU 42 Spectrum: Fm Delta Del.
 
 
REFERENCES
 
 
refcode metd author reference
Vou1908 orb - Voute, J.G. 1908MNRAS..68..563V
Vou1908 MNRAS 68, 563, 1908
Vou1911 Ma - Voute, J.G. 1911AN....190....1V
Vou1911 AN 190, 1, 1911 (also published in Vou1922)
Vou1915 Ma j Voute, J.G. 1915CiUO...27..205V
Vou1915 Union Obs. Johannesburg Circ. 27, 205, 1915
Vou1918 Ma j Voute, J.G. 1918MNRAS..75..432V
Vou1918 +Pa MNRAS 75, 432, 1918
Vou1918 (most micrometrical measures are also in Vou1925a, all photographic measures are
Vou1918 also in Vou1925b)
Vou1918b Ma - Voute, J.G. 1918MNRAS..78..683V
Vou1918b +Pa MNRAS 78, 683, 1918 (measures are also in Vou1925a)
Vou1919 Ma j Voute, J.G. 1919AnLei..10B...1V
Vou1919 Ann. Leiden Obs. 10, Pt.2, 1919
Vou1922 Ma - Voute, J.G. 1922AnLei..102...1V
Vou1922 Ann. Leiden Obs. 10, Pt.2, 1922
Vou1924 orb - Voute, J.G. 1924BAN.....2..181V
Vou1924 BAN 2, 181, 1924
Vou1925a Ma j Voute, J.G. 1925AnBos...1....3V
Vou1925a Ann. Bosscha Obs. Lembang 1, Pt.3, 1925 (most measures are also in Vou1918)
Vou1925b Pa - Voute, J.G. 1925AnBos...1....3V
Vou1925b +Po Ann. Bosscha Obs. Lembang 1, Appendix, 1925 (all measures are also in Vou1918)
Vou1926 Ma j Voute, J.G. 1926AnBos...1....3V
Vou1926 +Po Ann. Bosscha Obs. Lembang 1, Pt.2, 1926
Vou1927A Ma - Voute, J.G. 1927sdsc.book......
Vou1927A cited in SDS (Southern Double Star Catalog), 1927
Vou1932 Ma j Voute, J.G. 1932AnBos...6....3V
Vou1932 Ann. Bosscha Obs. Lembang 6, Pt.1, A1, 1932
Vou1946 orb - Voute, J.G. .
Vou1946 Riverview Coll. Obs. Pub. 2, 43, 1946
Vou1947a Ma j Voute, J.G., Terkule, Strand, K., van den Bos, W., Wallenquist, A., van Dissel, 1947AnBos...6....3V
Vou1947a +Po Janssen, & Witlox
Vou1947a Ann. Bosscha Obs. Lembang 6, Pt.3, C1, 1947
Vou1947b Ma j Voute, J.G. 1947AnBos...6....1V
Vou1947b Ann. Bosscha Obs. Lembang 6, Pt.4, D1, 1947
Vou1951 Ma - Voute, J.G. 1951RA......2..319V
Vou1951 Vatican Obs. Richerche Astron. 2, 319, 1951
Vou1955 Ma j Voute, J.G. 1955JO.....38..109V
Vou1955 +Po J. Obs. 38, 109, 1955 (a few errata noted in Vou1956)
Vou1956 Ma - Voute, J.G. 1956JO.....39..116V
Vou1956 J. Obs. 39, 116, 1956
Vou9999 Ma j Voute, J.G. ...................
Vou9999 +Po 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
17450-1646 VOU 42 1991 11 344 0.2 8.62 9.17 N 174459.25-164546.5
17450-1646 VOU 42 2017 12 314 0.2 8.62 9.17 A9III N 174459.25-164546.5
17450-1646 VOU 42 2019 13 311 0.2 8.62 9.17 A9III N 174459.25-164546.5

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WDS 17450-1646 VOU 42 (HD 161227) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17450-1646 VOU 42 (HD 161227) : MEASURES
 
 
No records found.

 
 
WDS 17450-1646 (HD 161227) : VIRTUAL EYEPIECE
 
 

17450-1646 VOU  42A mag 8.62 Sp A9III 17450-1646 VOU  42B sep 0.2 P.A. 312.50 mag 9.17 virtual eyepiece
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Radius:
Components only
 
 
WDS 17450-1646 (HD 161227) : ALADIN DSS IMAGE @ 17h 44m 59.25s -16° 45' 46.5"
 
 
 
 
WDS 17450-1646 VOU 42 (HD 161227) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17450-1646  VOU  42 distance=0' 17435-1649  HU  185 distance=21' 17460-1706  ARA 263 distance=26' 17425-1638  CRC  25AB distance=36' 17425-1638  CRC  25AC distance=36' 17434-1612  ARA  95 distance=42' 17406-1653  BRT 624 distance=65' 17445-1751  ARA 262 distance=66' 17490-1615  HU  187 distance=66' 17458-1533  FOX 207 distance=74' 17422-1544  HU  184 distance=74' 17420-1751  OCC 535 distance=78' 17397-1712  LDS 607 distance=80' 17424-1535  KPP1470 distance=81' 17464-1526  FOX  21 distance=82' 17475-1806  HU  186 distance=89' 17413-1757  HLD 138 distance=89' 17388-1722  ARA 261 distance=96' 17516-1633  WSI  63AB distance=97' 17516-1633  WSI  63AC distance=97' 17506-1550  HJ 2811 distance=99' 17382-1628  RST3980 distance=100' 17394-1546  HU  181 distance=101' 17520-1651  TDT 543 distance=102' 17405-1806  KPP 593 distance=103' 17385-1604  RST3981 distance=103' 17457-1832  A  2251 distance=107' 17387-1547  RST3982 distance=108' 17517-1742  TDT 537 distance=112' 17388-1536  ALD  64 distance=114' 17449-1839  A  2250 distance=114' 17371-1636  BHA  58 distance=115' 17527-1603  ARA  96 distance=119' 17399-1511  FOX 206 distance=119' 17515-1529  FOX 208 distance=122' 17367-1711  ARA 260 distance=122' 17466-1445  LSC  76 distance=123' 17413-1838  DON 858 distance=125' 17413-1839  SEE 336 distance=125' 17535-1623  WSI  64 distance=125' 17521-1534  FOX  23AB distance=126' 17521-1534  FOX  23AC distance=126' 17385-1518  FOX 205 distance=127' 17536-1726  HDO 147AB distance=131' 17536-1726  SKF  85AC distance=131' 17376-1524  ISO   6Aa,Ab distance=135' 17376-1524  RST5090AB distance=135' 17376-1524  DRS  61AC distance=135' 17369-1757  HDS2486 distance=137' 17486-1854  A  2252 distance=139' 17384-1504  HLD  31 distance=139' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 17450-1646 VOU 42 311 0.2
Show 17435-1649 HU 185 278 2.7 21
Show 17460-1706 ARA 263 42 12.2 26
Show 17425-1638 CRC 25 AB 123 8.9 36
Show 17425-1638 CRC 25 AC 276 3.2 36
Show 17434-1612 ARA 95 123 10.3 42
Show 17406-1653 BRT 624 279 3.2 65
Show 17445-1751 ARA 262 70 9.9 66
Show 17490-1615 HU 187 84 4.2 66
Show 17458-1533 FOX 207 67 16.0 74
Show 17422-1544 HU 184 274 4.4 74
Show 17420-1751 OCC 535 -1 0.1 78
Show 17397-1712 LDS 607 49 14.5 80
Show 17424-1535 KPP1470 152 11.1 81
Show 17464-1526 FOX 21 318 3.5 82
Show 17475-1806 HU 186 317 1.0 89
Show 17413-1757 HLD 138 272 2.2 89
Show 17388-1722 ARA 261 79 12.5 96
Show 17516-1633 WSI 63 AB 51 5.1 97
Show 17516-1633 WSI 63 AC 8 3.0 97
Show 17506-1550 HJ 2811 117 14.4 99
Show 17382-1628 RST3980 90 0.3 100
Show 17394-1546 HU 181 42 1.0 101
Show 17520-1651 TDT 543 185 0.5 102
Show 17405-1806 KPP 593 281 5.5 103
Show 17385-1604 RST3981 193 4.9 103
Show 17457-1832 A 2251 257 2.5 107
Show 17387-1547 RST3982 156 1.7 108
Show 17517-1742 TDT 537 231 0.5 112
Show 17388-1536 ALD 64 194 1.9 114
Show 17449-1839 A 2250 220 2.1 114
Show 17371-1636 BHA 58 140 23.9 115
Show 17527-1603 ARA 96 108 13.6 119
Show 17399-1511 FOX 206 7 7.2 119
Show 17515-1529 FOX 208 147 24.9 122
Show 17367-1711 ARA 260 21 14.6 122
Show 17466-1445 LSC 76 269 0.4 123
Show 17413-1838 DON 858 261 2.6 125
Show 17413-1839 SEE 336 94 3.5 125
Show 17535-1623 WSI 64 102 2.1 125
Show 17521-1534 FOX 23 AB 155 2.6 126
Show 17521-1534 FOX 23 AC 337 2.6 126
Show 17385-1518 FOX 205 193 14.1 127
Show 17536-1726 HDO 147 AB 205 12.2 131
Show 17536-1726 SKF 85 AC 284 3.1 131
Show 17376-1524 ISO 6 Aa,Ab 132 0.3 135
Show 17376-1524 RST5090 AB 78 24.5 135
Show 17376-1524 DRS 61 AC 58 999.9 135
Show 17369-1757 HDS2486 125 0.2 137
Show 17486-1854 A 2252 219 3.7 139
Show 17384-1504 HLD 31 330 1.7 139

 
 
WDS 17450-1646 : COMPONENTS
 
 
  A
B pa=312.5°
sep=0.24"
 
 
17450-1646 A
 
 
Componente originario normalizzato AB Name HD 161227 Coord arcsec 2000 174459.25-164546.5 Mag 8.62
Spectral class A9III (white) PmRA 8.00 PmDE 4.0 SAO 160798
HIP 86875 Tycho2 6249-00995-1 HD 161227 BD BD-16 4610
Tycho2
Tycho2 6249-00995-1 Pflag RAmdeg 266.24686296 DEmdeg -16.76292013
PmRA -0.1 PmDE 3.8 E RAmdeg 8 E DEmdeg 8
E pmRA 1.5 E pmDE 1.4 EpRAm 1990.92 EpDEm 1990.79
Num 8 Q RAmdeg 0.6 Q DEmdeg 1.4 Q pmRA 0.7
Q pmDE 1.4 BTmag 8.596 E BTmag 0.019 VTmag 8.093
E VTmag 0.015 Prox 999 TYC T HIP 86875
CCDM AB RAdeg 266.24686278 DEdeg -16.76292861 EpRA 1990 1.83
EpDE 1990 1.75 E RAdeg 7.7 E DEdeg 8.4 Posflg P
Corr 0.2
SAO
SAO 160798 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 0 Vmag 8.8 SpType F0
Double code Source 21 CatNum 6386 DM BD-16 4610
DMcomp BDsup HD 161227 M HD 0
GC RA1950rad 4.63424389 DE1950rad -0.29222219 PmRA2000 0.0015
PmDE2000 0.002
Hipparcos
Catalog H HIP 86875 Proxy H RAhms 17 44 59.25
DEdms -16 45 46.5 Vmag 8.01 VarFlag R Vmag H
RAdeg 266.247 DEdeg -16.7629 AstroRef * Plx 5.07
CCDM 17450-1646 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 344 Rho 0.233 HD 161227 BD BD-16 4610
CD CP Dm number -16 4610 VIred 0.57
SpType Fm R SpType Coord arcsec 2000 174459.25-164546.5
Hipparcos 2
HIP 86875 Sn 55 So 3 Nc 2
RArad 4.646884357 DErad -0.2925682489 Plx 4.88 PmRA 0.51
PmDE 5.72 E RArad 0.91 E DErad 0.63 E Plx 1
E pmRA 1.22 E pmDE 0.86 Hpmag 8.1108 E Hpmag 0.0023
SHp 0.011 VA 0 BV 0.482 E BV 0.019
VI 0.55
CCDM
Ccdm 17450-1646 RComp Comp A Note1
Note2 Discov num DRAs -0.66 DDEs 13.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp F0 PmNote *
PmRA 20 PmDE 0 Dm number -16 4610 Cat1 BD
Name2 160798 Cat2 SAO HD 161227 M HD
ADS BDS M ADS BDS N IDS IDS 17392S1643A
HIC 86875
 
 
17450-1646 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174459.24-164546.3 Mag 9.17 Calc delta mag 0.55
Calc coord yes
CCDM
Ccdm 17450-1646 RComp Comp B Note1
Note2 Discov num VOU 42 DRAs DDEs
R dRAs Year 1958 Theta 032 Rho 0.2
Obs 4 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17392S1643B
HIC 86875