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Doubles in session


Current system
19167-4553
RST 4036
HD 179930


Nearby doubles
15' : 19179-4547
TDT1359

26' : 19164-4528
HDS2726

29' : 19174-4525
B 967

38' : 19203-4551
I 1398

39' : 19158-4516
KPP1371

43' : 19203-4533
UC 3890

43' : 19178-4512
SKF1156

45' : 19164-4638
TDT1337

52' : 19124-4528
UC 3845

52' : 19216-4545
TDS 984

61' : 19141-4647
UC 3857

64' : 19220-4522
SKF1089

66' : 19114-4520
UC 3839

75' : 19108-4635
BRT1091

76' : 19111-4506
UC 3835

77' : 19240-4557
I 116AB

77' : 19094-4552
TDT1258

78' : 19219-4459
SKF1088

87' : 19164-4720
UC 3872

88' : 19091-4630
RST1023

89' : 19252-4555
UC 3927

93' : 19139-4722
HJ 5092

94' : 19117-4711
HDS2719

95' : 19119-4434
UC 3841

101' : 19074-4533
UC 3808

103' : 19261-4526
UC 3933



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

19167-4553 RST 4036 (HD 179930)

 
 
19h 16m 42.89s -45° 53' 21.0" P.A. 166.00 sep 0.2 mag 10.20,10.20 Sp K5/M0V dist. 16.1 pc (52.52 l.y.)
 
 
Coord 2000 19167-4553 Discov num RST4036 Comp Coord arcsec 2000 19 16 42.89 -45 53 21.0
Date first 1929 Date last 2021 Obs 27
Pa first 168 Pa last 165.7 P.A. Now (θ) 106.4°
Sep first 0.3 Sep last 0.238 Sep. Now (ρ) 0.167"
Mag pri 10.20 Mag sec 10.20 delta mag (ΔM) 0 Spectral class K5/M0V (yellow-orange)
Pri motion ra +220 Sec motion ra
Pri motion dec -421 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 179930 Constellation Telescopium HIP 94739 Tycho2 8375-01985-1
HD 179930 GL Gl 750A CD CD-4612902 CP CP-46 9672
Distance 16.1 Distance ly 52.52
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.68y Periastron (T)1995.057y Semi-major axis (a)0.244a
Eccentricity (e)0.263 Inclination (i)124.7° Longitude of periastron (ω)241°
Node (Ω)200.2° Notesn ReferenceMsn2019
Equinox2000 Last observation2019 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 104.2 0.167
2001 54.7 0.194
2002 18.1 0.199
2003 302.9 0.106
2004 218.5 0.206
2005 192.9 0.271
2006 171.0 0.248
2007 138.4 0.189
2008 86.7 0.170
2009 42.4 0.206
2010 3.9 0.173
2011 261.4 0.119
2012 208.5 0.238
2013 186.2 0.271
2014 162.4 0.230
2015 123.4 0.174
2016 70.5 0.179
2017 31.1 0.209
2018 343.2 0.136
2019 235.2 0.159
2020 200.7 0.259
2021 179.4 0.264
2022 152.3 0.210
2023 106.4 0.167
2024 56.3 0.193
2025 19.6 0.201
2026 308.3 0.107
2027 220.0 0.201
2028 193.7 0.270
2029 172.0 0.250
2030 140.1 0.191


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds19167-4553c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19167-4553 RST 4036 (HD 179930) : NOTES
 
 
discov_num notes refcode
RST4036 Strange (but useable) reference point for the Transit Data due to
reversed signs for proper motions in the Hipparcos Input Catalog. Sod1999
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.24 +/- 0.20, 1.14, and 0.60 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Msn2019 orb - Josties, J. & Mason, B.D. 2019IAUDS.199....1M
Msn2019 Inf. Circ. 199, 1, 2019
Sod1999 orb - Soderhjelm, S. 1999A&A...341..121S
Sod1999 A&A 341, 121, 1999
 
 
DISCOVERER
 
 
idgroup discov author
1 RST Rossiter, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19167-4553 RST4036 1991 19 337 0.2 10.20 10.20 K5/M0V NO 191642.74-455318.0
19167-4553 RST4036 2014 21 130 0.2 10.20 10.20 K5/M0V NO 191642.74-455318.0
19167-4553 RST4036 2015 22 94 0.2 10.20 10.20 K5/M0V NO 191642.74-455318.0
19167-4553 RST4036 2017 23 15 0.2 10.20 10.20 K5/M0V NO 191642.89-455321.0
19167-4553 RST4036 2018 24 298 0.1 10.20 10.20 K5/M0V NO 191642.89-455321.0
19167-4553 RST4036 2019 25 218 0.2 10.20 10.20 K5/M0V NO 191642.89-455321.0
19167-4553 RST4036 2020 26 183 0.3 10.20 10.20 K5/M0V NO 191642.89-455321.0
19167-4553 RST4036 2021 27 166 0.2 10.20 10.20 K5/M0V NO 191642.89-455321.0

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

 
 
WDS 19167-4553 RST 4036 (HD 179930) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19167-4553 RST 4036 (HD 179930) : MEASURES
 
 
No records found.

 
 
WDS 19167-4553 (HD 179930) : VIRTUAL EYEPIECE
 
 

19167-4553 RST4036A mag 10.2 Sp K5/M0V 19167-4553 RST4036B sep 0.2 P.A. 169.90 mag 10.2 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 19167-4553 (HD 179930) : ALADIN DSS IMAGE @ 19h 16m 42.89s -45° 53' 21.0"
 
 
 
 
WDS 19167-4553 RST 4036 (HD 179930) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19167-4553 RST4036 distance=0' 19179-4547 TDT1359 distance=15' 19164-4528 HDS2726 distance=26' 19174-4525 B 967 distance=29' 19203-4551 I 1398 distance=38' 19158-4516 KPP1371 distance=39' 19203-4533 UC 3890 distance=43' 19178-4512 SKF1156 distance=43' 19164-4638 TDT1337 distance=45' 19124-4528 UC 3845 distance=52' 19216-4545 TDS 984 distance=52' 19141-4647 UC 3857 distance=61' 19220-4522 SKF1089 distance=64' 19114-4520 UC 3839 distance=66' 19108-4635 BRT1091 distance=75' 19111-4506 UC 3835 distance=76' 19240-4557 I 1400CD distance=77' 19240-4557 I 116AB distance=77' 19240-4557 I 116AC distance=77' 19094-4552 TDT1258 distance=77' 19219-4459 SKF1088 distance=78' 19164-4720 UC 3872 distance=87' 19091-4630 RST1023 distance=88' 19252-4555 UC 3927 distance=89' 19139-4722 HJ 5092 distance=93' 19117-4711 HDS2719 distance=94' 19119-4434 UC 3841 distance=95' 19074-4533 UC 3808 distance=101' 19261-4526 UC 3933 distance=103' 19226-4428 DUN 226 (Arkab Prior) distance=107' 19134-4412 SKF1154 distance=108' 19072-4512 KPP3111 distance=108' 19224-4414 UC 3909 distance=117' 19056-4505 BRT1087 distance=127' 19215-4357 TDT1398 distance=128' 19289-4608 BRT1097 distance=128' 19051-4508 SKF1152 distance=131' 19292-4609 UC 3950 distance=132' 19296-4539 UC 3952 distance=136' 19268-4722 TDT1465 distance=137' 19040-4520 CPO 606 distance=137' 19288-4654 TDT1486AB distance=140' 19288-4654 SKF1157AC distance=140' 19283-4709 TDT1478 distance=142' 19293-4651 RSS 528 distance=143' 19130-4336 I 1394 distance=143' 19031-4543 R 317AB distance=143' 19031-4543 HJ 5078AC distance=143' 19031-4543 B 2873CD distance=144' 19109-4804 CPO 610A,BC distance=145' 19109-4804 RST1025BC distance=145' 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 19167-4553 RST4036 166 0.2
Show 19179-4547 TDT1359 248 0.5 15
Show 19164-4528 HDS2726 205 0.4 26
Show 19174-4525 B 967 332 13.0 29
Show 19203-4551 I 1398 11 0.2 38
Show 19158-4516 KPP1371 98 10.3 39
Show 19203-4533 UC 3890 266 43.5 43
Show 19178-4512 SKF1156 173 81.2 43
Show 19164-4638 TDT1337 8 1.9 45
Show 19124-4528 UC 3845 318 44.0 52
Show 19216-4545 TDS 984 305 0.8 52
Show 19141-4647 UC 3857 143 11.4 61
Show 19220-4522 SKF1089 197 14.7 64
Show 19114-4520 UC 3839 87 19.8 66
Show 19108-4635 BRT1091 1 3.3 75
Show 19111-4506 UC 3835 256 89.2 76
Show 19240-4557 I 1400 CD 220 2.4 77
Show 19240-4557 I 116 AB 24 2.7 77
Show 19240-4557 I 116 AC 190 15.9 77
Show 19094-4552 TDT1258 60 2.5 77
Show 19219-4459 SKF1088 255 5.0 78
Show 19164-4720 UC 3872 326 11.9 87
Show 19091-4630 RST1023 134 0.3 88
Show 19252-4555 UC 3927 2 44.1 89
Show 19139-4722 HJ 5092 351 18.0 93
Show 19117-4711 HDS2719 151 14.1 94
Show 19119-4434 UC 3841 317 52.1 95
Show 19074-4533 UC 3808 130 50.0 101
Show 19261-4526 UC 3933 181 70.1 103
Show Arkab Prior 19226-4428 DUN 226 76 28.3 107
Show 19134-4412 SKF1154 336 32.5 108
Show 19072-4512 KPP3111 294 5.9 108
Show 19224-4414 UC 3909 230 83.7 117
Show 19056-4505 BRT1087 306 4.4 127
Show 19215-4357 TDT1398 229 0.6 128
Show 19289-4608 BRT1097 87 3.9 128
Show 19051-4508 SKF1152 69 75.9 131
Show 19292-4609 UC 3950 239 19.5 132
Show 19296-4539 UC 3952 298 8.5 136
Show 19268-4722 TDT1465 331 2.4 137
Show 19040-4520 CPO 606 117 4.4 137
Show 19288-4654 TDT1486 AB 228 0.4 140
Show 19288-4654 SKF1157 AC 91 24.4 140
Show 19283-4709 TDT1478 186 0.4 142
Show 19293-4651 RSS 528 100 17.5 143
Show 19130-4336 I 1394 190 0.4 143
Show 19031-4543 R 317 AB 287 1.7 143
Show 19031-4543 HJ 5078 AC 212 18.6 143
Show 19031-4543 B 2873 CD 268 6.2 144
Show 19109-4804 CPO 610 A,BC 291 20.7 145
Show 19109-4804 RST1025 BC 89 1.8 145

 
 
WDS 19167-4553 : COMPONENTS
 
 
  A
B pa=169.9°
sep=0.23"
 
 
19167-4553 A
 
 
Componente originario normalizzato AB Name HD 179930 Coord arcsec 2000 191642.89-455321.0 Mag 10.2
Spectral class K5/M0V (yellow-orange) PmRA 220.00 PmDE -421.0
CCDM
Ccdm 19167-4553 RComp Comp A Note1
Note2 Discov num DRAs 0.94 DDEs -23.0
R dRAs 31 Year Theta Rho
Obs 2 Vmag 10.3 Sp K5 PmNote *
PmRA 212 PmDE -426 Dm number -4612902 Cat1 CD
Name2 Cat2 HD 179930 M HD
ADS BDS M ADS BDS N IDS IDS 19094S4603A
HIC 94739
 
 
19167-4553 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 191642.89-455321.2 Mag 10.2 Calc coord yes
CCDM
Ccdm 19167-4553 RComp Comp B Note1 *
Note2 Discov num RST4036 DRAs DDEs
R dRAs Year 1949 Theta 043 Rho 0.2
Obs 5 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19094S4603B
HIC 94739