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Current system
16325-1739
HDS 2338
HD 148999


Nearby doubles
18' : 16318-1725
UC 3183

25' : 16320-1716
GWP2643

56' : 16287-1729
OCC 518

58' : 16362-1804
GWP2645

66' : 16311-1637
BU 626AB

74' : 16297-1841
TOK 174

79' : 16270-1746
TOK 602

84' : 16268-1724
WSI 131

87' : 16276-1829
HLD 130

97' : 16374-1846
GWP2650

100' : 16296-1609
J 1591

100' : 16395-1744
HJ 4879AB

106' : 16375-1623
ARA 85

106' : 16283-1613
RST3950

108' : 16273-1622
RST3948

118' : 16249-1823
UC 3164

119' : 16247-1820
HLD 129

120' : 16281-1557
UC 3174

123' : 16405-1825
OCC 512

128' : 16383-1602
FOX 77

128' : 16413-1804
OCC 36

130' : 16340-1532
HDS2343

136' : 16310-1953
UC 3180AB

142' : 16229-1709
OCC 576

144' : 16229-1701
CHR 54

150' : 16231-1845
UC 3160



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16325-1739 HDS 2338 (HD 148999)

 
 
16h 32m 31.77s -17° 38' 56.6" P.A. 122.00 sep 0.1 mag 10.78,11.50 Sp F8V dist. 214.13 pc (698.49 l.y.)
 
 
Coord 2000 16325-1739 Discov num HDS2338 Comp Coord arcsec 2000 16 32 31.77 -17 38 56.6
Date first 1991 Date last 2023 Obs 10
Pa first 313 Pa last 121.8 P.A. Now (θ) 121.8°
Sep first 0.2 Sep last 0.055 Sep. Now (ρ) 0.055"
Mag pri 10.78 Mag sec 11.50 delta mag (ΔM) 0.72 Spectral class F8V (yellow-white)
Pri motion ra +009 Sec motion ra
Pri motion dec -019 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 148999 Constellation Ophiuchus HIP 80998 Tycho2 6220-00887-1
Gaia DR2 4323736399997374720 HD 148999 BD BD-17 4595 Distance 214.13
Distance ly 698.49
 
 
ORBITAL ELEMENTS
 
 
Period (P)100y Periastron (T)2022.32y Semi-major axis (a)0.153a
Eccentricity (e)0.512 Inclination (i)65.4° Longitude of periastron (ω)299.6°
Node (Ω)144.3° Notes ReferenceTok2024b
Equinox2000 Last observation2024 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 317.6 0.172
2001 318.7 0.170
2002 319.7 0.167
2003 320.8 0.163
2004 322.0 0.159
2005 323.2 0.155
2006 324.5 0.150
2007 325.9 0.145
2008 327.4 0.139
2009 329.0 0.133
2010 330.8 0.125
2011 332.9 0.118
2012 335.2 0.109
2013 338.0 0.100
2014 341.4 0.090
2015 345.6 0.079
2016 351.2 0.068
2017 359.1 0.056
2018 10.9 0.046
2019 29.1 0.037
2020 55.2 0.032
2021 82.6 0.035
2022 103.1 0.043
2023 116.6 0.053
2024 125.7 0.063
2025 132.4 0.072
2026 137.6 0.080
2027 141.9 0.087
2028 145.7 0.092
2029 149.1 0.096
2030 152.3 0.098
2031 155.3 0.100
2032 158.3 0.101
2033 161.2 0.101
2034 164.2 0.101
2035 167.2 0.100
2036 170.2 0.099
2037 173.4 0.097
2038 176.6 0.096
2039 179.9 0.094
2040 183.4 0.092
2041 187.0 0.090
2042 190.8 0.089
2043 194.7 0.087
2044 198.7 0.086
2045 202.9 0.085
2046 207.1 0.084
2047 211.5 0.083
2048 215.9 0.083
2049 220.3 0.083
2050 224.7 0.083


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds16325-1739a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS 16325-1739 HDS 2338 (HD 148999) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2024b orb - Tokovinin, A. 2024IAUDS.213....1T
Tok2024b Inf. Circ. 213, 1, 2024
 
 
DISCOVERER
 
 
discov author
HDS Hipparcos Double Star (from additional DD list)
TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK Martinez, M., & Mondaca, E.
TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK Tokovinin, A. & Briceno, C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
16325-1739 HDS2338 1991 1 313 0.2 10.78 11.50 F8V -17 4595 163231.77-173856.6
16325-1739 HDS2338 2014 3 165 0.1 10.78 11.50 F8V -17 4595 163231.77-173856.6
16325-1739 HDS2338 2017 6 185 0.0 10.78 11.50 F8V -17 4595 163231.77-173856.6
16325-1739 HDS2338 2020 7 72 0.0 10.78 11.50 F8V -17 4595 163231.77-173856.6
16325-1739 HDS2338 2021 8 92 0.0 10.78 11.50 F8V -17 4595 163231.77-173856.6
16325-1739 HDS2338 2022 9 102 0.0 10.78 11.50 F8V -17 4595 163231.77-173856.6
16325-1739 HDS2338 2023 10 122 0.1 10.78 11.50 F8V -17 4595 163231.77-173856.6

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

 
 
WDS 16325-1739 HDS 2338 (HD 148999) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16325-1739 HDS 2338 (HD 148999) : MEASURES
 
 
No records found.

 
 
WDS 16325-1739 (HD 148999) : VIRTUAL EYEPIECE
 
 

16325-1739 HDS2338A mag 10.78 Sp F8V 16325-1739 HDS2338B mag 11.5 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 16325-1739 (HD 148999) : ALADIN DSS IMAGE @ 16h 32m 31.77s -17° 38' 56.6"
 
 
 
 
WDS 16325-1739 HDS 2338 (HD 148999) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16325-1739 HDS2338 distance=0' 16318-1725 UC 3183 distance=18' 16320-1716 GWP2643 distance=25' 16287-1729 OCC 518 distance=56' 16362-1804 GWP2645 distance=58' 16311-1637 BU 626AB distance=66' 16311-1637 BU 626AC distance=66' 16297-1841 TOK 174 distance=74' 16270-1746 TOK 602 distance=79' 16268-1724 WSI 131 distance=84' 16276-1829 HLD 130 distance=87' 16374-1846 GWP2650 distance=97' 16296-1609 J 1591 distance=100' 16395-1744 HJ 4879AB distance=100' 16395-1744 HJ 4879AC distance=100' 16375-1623 ARA 85 distance=106' 16283-1613 RST3950 distance=106' 16273-1622 RST3948 distance=108' 16249-1823 UC 3164 distance=118' 16247-1820 HLD 129 distance=119' 16281-1557 UC 3174 distance=120' 16405-1825 OCC 512 distance=123' 16383-1602 FOX 77 distance=128' 16413-1804 OCC 36 distance=128' 16340-1532 HDS2343 distance=130' 16310-1953 UC 3180AB distance=136' 16229-1709 OCC 576 distance=142' 16229-1701 CHR 54 distance=144' 16231-1845 UC 3160 distance=150' 16250-1924 RAO 668 distance=151' 16387-1534 KPP 373 distance=153' 16334-2015 GKM9363Aa,Ab distance=157' 16395-1940 RAO 672 distance=157' 16352-2011 TDS9981 distance=158' 16307-2018 RAO 670AC distance=162' 16328-2023 BRT1497 distance=164' 16209-1745 RST3016 distance=166' 16406-1540 LDS4685 distance=166' 16438-1658 UC 3218 distance=168' 16425-1601 UC 3213 distance=175' 16337-2040 ARA1117 distance=182' 16202-1825 HLD 128AB distance=182' 16202-1825 HLD 128AC distance=182' 16205-1840 OCC9159 distance=182' 16220-1922 RST3018 distance=182' 16302-1440 WSI 132 distance=183' 16291-1441 GKM9359Aa,Ab distance=185' 16291-1441 GKM9359AB distance=185' 16306-1432 LDS4673AB distance=189' 16305-1433 STF3104AB distance=189' 16305-1433 STF3104AC distance=189' 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 16325-1739 HDS2338 122 0.1 0
Show 16318-1725 UC 3183 314 22.2 18
Show 16320-1716 GWP2643 270 86.4 25
Show 16287-1729 OCC 518 -1 0.2 56
Show 16362-1804 GWP2645 262 86.5 58
Show 16311-1637 BU 626 AB 37 39.2 66
Show 16311-1637 BU 626 AC 320 119.4 66
Show 16297-1841 TOK 174 314 13.8 74
Show 16270-1746 TOK 602 238 179.8 79
Show 16268-1724 WSI 131 168 0.7 84
Show 16276-1829 HLD 130 0 1.2 87
Show 16374-1846 GWP2650 271 4.3 97
Show 16296-1609 J 1591 1 8.6 100
Show 16395-1744 HJ 4879 AB 341 19.8 100
Show 16395-1744 HJ 4879 AC 79 34.7 100
Show 16375-1623 ARA 85 279 11.8 106
Show 16283-1613 RST3950 25 0.2 106
Show 16273-1622 RST3948 203 3.5 108
Show 16249-1823 UC 3164 111 18.8 118
Show 16247-1820 HLD 129 123 2.9 119
Show 16281-1557 UC 3174 221 52.4 120
Show 16405-1825 OCC 512 -1 0.0 123
Show 16383-1602 FOX 77 350 2.4 128
Show 16413-1804 OCC 36 -1 0.0 128
Show 16340-1532 HDS2343 93 0.6 130
Show 16310-1953 UC 3180 AB 358 33.7 136
Show 16229-1709 OCC 576 -1 -1.0 142
Show 16229-1701 CHR 54 98 0.1 144
Show 16231-1845 UC 3160 53 68.9 150
Show 16250-1924 RAO 668 79 4.4 151
Show 16387-1534 KPP 373 71 4.0 153
Show 16334-2015 GKM9363 Aa,Ab 52 0.2 157
Show 16395-1940 RAO 672 234 0.4 157
Show 16352-2011 TDS9981 93 0.6 158
Show 16307-2018 RAO 670 AC 284 4.1 162
Show 16328-2023 BRT1497 82 3.1 164
Show 16209-1745 RST3016 315 0.9 166
Show 16406-1540 LDS4685 291 44.1 166
Show 16438-1658 UC 3218 73 25.0 168
Show 16425-1601 UC 3213 152 7.8 175
Show 16337-2040 ARA1117 76 13.7 182
Show 16202-1825 HLD 128 AB 250 2.2 182
Show 16202-1825 HLD 128 AC 339 94.7 182
Show 16205-1840 OCC9159 -1 0.1 182
Show 16220-1922 RST3018 113 0.3 182
Show 16302-1440 WSI 132 242 0.3 183
Show 16291-1441 GKM9359 Aa,Ab 107 0.3 185
Show 16291-1441 GKM9359 AB 252 129.3 185
Show 16306-1432 LDS4673 AB 90 74.9 189
Show 16305-1433 STF3104 AB 228 9.5 189
Show 16305-1433 STF3104 AC 82 111.2 189

 
 
WDS 16325-1739 : COMPONENTS
 
 
  A
B pa=121.8°
sep=0.05"
 
 
16325-1739 A
 
 
Name HD 148999 Coord arcsec 2000 163231.77-173856.6 Mag 10.78 Spectral class F8V (yellow-white)
PmRA 9.00 PmDE -19.0 HIP 80998 Tycho2 6220-00887-1
HD 148999 BD BD-17 4595
Tycho2
Tycho2 6220-00887-1 Pflag RAmdeg 248.13239009 DEmdeg -17.64912089
PmRA 7.4 PmDE -23.4 E RAmdeg 23 E DEmdeg 32
E pmRA 1.8 E pmDE 2.3 EpRAm 1983.81 EpDEm 1983.10
Num 7 Q RAmdeg 0.8 Q DEmdeg 1.6 Q pmRA 0.8
Q pmDE 1.6 BTmag 11.174 E BTmag 0.066 VTmag 10.316
E VTmag 0.048 Prox 999 TYC T HIP 80998
CCDM AB RAdeg 248.13237222 DEdeg -17.64905222 EpRA 1990 1.70
EpDE 1990 1.29 E RAdeg 28.5 E DEdeg 42.1 Posflg P
Corr 0.1
Hipparcos
Catalog H HIP 80998 Proxy H RAhms 16 32 31.77
DEdms -17 38 56.6 Vmag 10.19 VarFlag R Vmag H
RAdeg 248.132 DEdeg -17.6491 AstroRef * Plx 5.05
CCDM 9.46 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual C M HIP AB
Theta 313 Rho 0.179 HD BD BD-17 4595
CD CP Dm number -17 4595 VIred 0.76
SpType F8V R SpType Coord arcsec 2000 163231.77-173856.6
Hipparcos 2
HIP 80998 Sn 55 So 3 Nc 2
RArad 4.3307269777 DErad -0.3080341334 Plx 4.67 PmRA 10.13
PmDE -18.5 E RArad 1.62 E DErad 1.04 E Plx 1.71
E pmRA 2.04 E pmDE 1.35 Hpmag E Hpmag 0.0036
SHp 0.023 VA 0 BV 0.811 E BV 0.067
VI 0.84
CCDM
Ccdm 16325-1739 RComp Comp A Note1
Note2 Discov num DRAs 1.77 DDEs 3.2
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.8 Sp F8 PmNote *
PmRA 9 PmDE -19 Dm number -17 4595 Cat1 BD
Name2 Cat2 HD 148999 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 80998
 
 
16325-1739 B
 
 
Coord arcsec 2000 163231.77-173856.6 Mag 11.5 Delta magnitude 0.72 Coordinate calculated yes
CCDM
Ccdm 16325-1739 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.77 DDEs 3.3
R dRAs 82 Year 1991 Theta 313 Rho 0.2
Obs 1 Vmag 11.5 Sp PmNote *
PmRA 9 PmDE -19 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 80998