18254-1631 HU 64 AC

 
 
18h 25m 22.92s -16° 30' 31.9" P.A. 18.00 sep 15.6 mag 9.80,12.30 Sp K0III
 
 
Coord 2000 18254-1631 Discov num HU   64 Comp AC Coord arcsec 2000 18 25 22.92 -16 30 31.9
Date first 1905 Date last 2015 Obs 6
Pa first 31 Pa last 17.6 P.A. Now (θ) 17.6°
Sep first 16.3 Sep last 15.551 Sep. Now (ρ) 15.551"
Mag pri 9.80 Mag sec 12.30 delta mag (ΔM) 2.5 Spectral class K0III (yellow-orange)
Pri motion ra +015 Sec motion ra -014
Pri motion dec -011 Sec motion dec -005
Notes N (See Notes)
rPM=1.592
This double is not physical.
 
 
18254-1631 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 169457 18 25 23 -16 30 32 HU 64 AB 2000 12 12 3.7 9.80 10.80 1.00
Show 18 25 23 -16 30 32 HU 64 AC 2015 6 18 15.6 9.80 12.30 2.50 <===
Show 18 25 23 -16 30 32 HU 64 AD 2015 4 349 24.7 9.80 12.80 3.00
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6266-02751-1 Gaia DR2 4097002327710880128 HD 169457
 
 
WDS 18254-1631 HU 64 AC : NOTES
 
 
discov_num notes refcode
HU 64 Mt. Wilson spectral classes F5s and G0.
 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 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
18254-1631 HU 64 AC 1932 3 27 17.6 9.80 12.30 K0III N 182522.92-163031.9
18254-1631 HU 64 AC 2000 4 21 15.6 9.80 12.30 K0III N 182522.92-163031.9
18254-1631 HU 64 AC 2015 6 18 15.6 9.80 12.30 K0III N 182522.92-163031.9

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WDS 18254-1631 HU 64 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18254-1631 HU 64 AC : MEASURES
 
 
No records found.

 
 
WDS 18254-1631 : VIRTUAL EYEPIECE
 
 

18254-1631 HU   64A mag 9.8 Sp K0III 18254-1631 HU   64B sep 3.7 P.A. 11.90 mag 10.8 18254-1631 HU   64C sep 15.5 P.A. 16.90 mag 12.3 18254-1631 HU   64D sep 24.6 P.A. 349.20 mag 12.8 virtual eyepiece
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Radius:
Components only
 
 
WDS 18254-1631 : ALADIN DSS IMAGE @ 18h 25m 22.92s -16° 30' 31.9"
 
 
 
 
WDS 18254-1631 HU 64 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18254-1631  HU   64AB distance=1' 18254-1631  HU   64AC distance=1' 18254-1631  HU   64AD distance=1' 18247-1648  KRV  49 distance=20' 18266-1612  J   461 distance=27' 18234-1635  WRH  11 distance=30' 18231-1701  HU  237 distance=45' 18269-1712  BU  965 distance=47' 18282-1602  RST4012 distance=50' 18275-1711  RST3181 distance=50' 18218-1619  CHR  69 distance=53' 18284-1702  ARA 282 distance=54' 18271-1719  HDS2609 distance=55' 18236-1720  KPP2762 distance=56' 18213-1622  FGS  31 distance=59' 18210-1633  BRT 630 distance=64' 18241-1734  J  2127 distance=65' 18295-1606  TDT 909 distance=65' 18228-1727  J  2210 distance=66' 18229-1726  J  2209 distance=66' 18241-1735  J  2128 distance=68' 18204-1630  TOB 287 distance=71' 18275-1522  FOX 229DE distance=74' 18275-1522  FOX 229C,DE distance=74' 18275-1522  J  1631AB distance=75' 18275-1522  J  1631AC distance=75' 18275-1522  J  1631AF distance=75' 18201-1631  TDT 802 distance=76' 18210-1714  J  1627 distance=77' 18307-1639  ARA 104 distance=77' 18284-1527  FOX  82 distance=78' 18205-1706  TDT 806 distance=79' 18227-1740  ARA 279 distance=80' 18307-1559  ARA 103 distance=83' 18202-1707  TDT 803 distance=84' 18269-1753  ARA 281 distance=85' 18197-1655  TOB 285 distance=85' 18280-1747  RST3182 distance=86' 18195-1647  TOB 284AB distance=86' 18195-1647  TOB 284AC distance=86' 18199-1704  SMY9003 distance=86' 18194-1618  BRT 628 distance=88' 18196-1600  DAM 106 distance=89' 18235-1506  BRT 631 distance=89' 18214-1522  CBL 168 distance=89' 18202-1539  BRT 629 distance=90' 18203-1535  J  2207 distance=91' 18260-1801  ARA 479 distance=91' 18204-1535  BRT1944 distance=91' 18209-1524  BRT 589 distance=92' 18293-1517  HU   67 distance=93' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 18254-1631 HU 64 AB 12 3.7 1
Show 18254-1631 HU 64 AC 18 15.6 1
Show 18254-1631 HU 64 AD 349 24.7 1
Show 18247-1648 KRV 49 331 7.9 20
Show 18266-1612 J 461 350 2.8 27
Show 18234-1635 WRH 11 92 2.5 30
Show 18231-1701 HU 237 28 0.5 45
Show 18269-1712 BU 965 109 1.5 47
Show 18282-1602 RST4012 113 0.2 50
Show 18275-1711 RST3181 110 1.4 50
Show 18218-1619 CHR 69 209 0.1 53
Show 18284-1702 ARA 282 265 12.9 54
Show 18271-1719 HDS2609 105 1.7 55
Show 18236-1720 KPP2762 239 3.2 56
Show 18213-1622 FGS 31 202 1.1 59
Show 18210-1633 BRT 630 354 5.5 64
Show 18241-1734 J 2127 48 5.0 65
Show 18295-1606 TDT 909 85 1.7 65
Show 18228-1727 J 2210 286 8.0 66
Show 18229-1726 J 2209 342 7.4 66
Show 18241-1735 J 2128 35 3.4 68
Show 18204-1630 TOB 287 196 14.5 71
Show 18275-1522 FOX 229 DE 328 2.7 74
Show 18275-1522 FOX 229 C,DE 243 6.7 74
Show 18275-1522 J 1631 AB 264 27.5 75
Show 18275-1522 J 1631 AC 157 118.0 75
Show 18275-1522 J 1631 AF 309 126.4 75
Show 18201-1631 TDT 802 349 1.8 76
Show 18210-1714 J 1627 239 4.9 77
Show 18307-1639 ARA 104 205 11.1 77
Show 18284-1527 FOX 82 73 4.4 78
Show 18205-1706 TDT 806 101 0.5 79
Show 18227-1740 ARA 279 339 10.9 80
Show 18307-1559 ARA 103 189 13.9 83
Show 18202-1707 TDT 803 195 0.7 84
Show 18269-1753 ARA 281 102 13.8 85
Show 18197-1655 TOB 285 194 19.4 85
Show 18280-1747 RST3182 4 2.7 86
Show 18195-1647 TOB 284 AB 178 13.3 86
Show 18195-1647 TOB 284 AC 63 20.0 86
Show 18199-1704 SMY9003 134 24.8 86
Show 18194-1618 BRT 628 319 4.4 88
Show 18196-1600 DAM 106 340 5.8 89
Show 18235-1506 BRT 631 308 3.9 89
Show 18214-1522 CBL 168 26 18.9 89
Show 18202-1539 BRT 629 213 3.2 90
Show 18203-1535 J 2207 106 5.7 91
Show 18260-1801 ARA 479 136 8.1 91
Show 18204-1535 BRT1944 127 4.6 91
Show 18209-1524 BRT 589 119 6.2 92
Show 18293-1517 HU 67 322 1.7 93

 
 
WDS 18254-1631 : COMPONENTS
 
 
  A B C
B pa=11.9°
sep=3.66"
 
C pa=16.9°
sep=15.49"
pa=18.5°
sep=11.85"
 
D pa=349.2°
sep=24.62"
pa=345.3°
sep=21.29"
pa=315.7°
sep=13.08"
 
 
18254-1631 A
 
 
Name HD 169457 Coord arcsec 2000 182522.92-163031.9 Mag 9.8 Spectral class K0III (yellow-orange)
PmRA 15.00 PmDE -11.0 Tycho2 6266-02751-1 HD 169457
Tycho2
Tycho2 6266-02751-1 Pflag RAmdeg 276.34552096 DEmdeg -16.50886935
PmRA 16.8 PmDE -8.6 E RAmdeg 21 E DEmdeg 22
E pmRA 1.6 E pmDE 1.6 EpRAm 1989.46 EpDEm 1989.39
Num 4 Q RAmdeg 2.1 Q DEmdeg 2.8 Q pmRA 2.1
Q pmDE 2.8 BTmag 10.109 E BTmag 0.036 VTmag 9.555
E VTmag 0.032 Prox 999 TYC T HIP
CCDM RAdeg 276.34548056 DEdeg -16.50884917 EpRA 1990 1.64
EpDE 1990 1.66 E RAdeg 21.3 E DEdeg 22.4 Posflg
Corr -0.1
 
 
18254-1631 B
 
 
Coord arcsec 2000 182522.97-163028.3 Mag 10.8 PmRA 36.00 PmDE 40.0
Calc delta mag 1 Calc coord yes
 
 
18254-1631 C
 
 
Coord arcsec 2000 182523.23-163017.1 Mag 12.3 PmRA -14.00 PmDE -5.0
Calc delta mag 2.5 Calc coord yes
 
 
18254-1631 D
 
 
Coord arcsec 2000 182522.60-163007.7 Mag 12.8 PmRA 2.00 PmDE -3.0
Calc delta mag 3 Calc coord yes