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Doubles in session


Current system
19491-6149
I 120 AB


Nearby doubles
36' : 19468-6221
TDT1736

43' : 19500-6231
RST5464

46' : 19498-6103
JSP 806

51' : 19548-6119
DEA 17

71' : 19494-6259
HDS2821

75' : 19404-6108
UC 4003

78' : 19475-6306
TDT1756

79' : 19517-6033
TDT1807

80' : 19578-6241
HU 1609AB

90' : 19597-6102
HJ 5155AB

101' : 19351-6209
TDT1557

119' : 19584-6329
TDS1028

128' : 20071-6141
TDT1994

129' : 19315-6226
UC 3965

135' : 20051-6304
HJ 5163

136' : 20039-6026
KPP2309

140' : 20088-6203
UC 4102

142' : 19486-5928
UC 4028

142' : 19461-6409
TDS1010

144' : 19545-6408
FIN 275

153' : 19509-6421
RST5465

154' : 19322-6016
I 117

158' : 19507-5912
SHY 759AB

162' : 20020-6405
HDS2853

163' : 19570-5917
LDS 693

167' : 19512-6435
MLO 88



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.

19491-6149 I 120 AB

 
 
19h 49m 07.25s -61° 48' 53.2" P.A. 166.00 sep 0.4 mag 8.31,8.02 Sp F7/8V dist. 56.31 pc (183.68 l.y.)
 
 
Coord 2000 19491-6149 Discov num I   120 Comp AB Coord arcsec 2000 19 49 07.25 -61 48 53.2
Date first 1896 Date last 2019 Obs 59
Pa first 185 Pa last 165.8 P.A. Now (θ) 160.1°
Sep first 0.8 Sep last 0.445 Sep. Now (ρ) 0.472"
Mag pri 8.31 Mag sec 8.02 delta mag (ΔM) 0.29 Spectral class F7/8V (yellow-white)
Pri motion ra +038 Sec motion ra
Pri motion dec -096 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
19491-6149 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 254655 19 49 07 -61 48 53 I 120 AB 2019 59 166 0.4 8.31 8.02 0.29 Y <===
Show 254655 19 49 07 -61 48 53 HJ 5141 AB,C 2020 17 340 14.0 7.36 10.45 3.09
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pavo SAO 254655 HIP 97508 Tycho2 9085-00729-1
HD 186602 GC 27374 CP CP-62 6108 Distance 56.31
Distance ly 183.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)64.09y Periastron (T)1996.49y Semi-major axis (a)0.324a
Eccentricity (e)0.687 Inclination (i)141.2° Longitude of periastron (ω)139.5°
Node (Ω)118.7° Notesn ReferenceTok2018b
Equinox2000 Last observation2017 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 252.0 0.156
2001 239.5 0.173
2002 229.3 0.190
2003 220.9 0.208
2004 213.8 0.226
2005 207.7 0.244
2006 202.5 0.261
2007 197.9 0.279
2008 193.8 0.295
2009 190.2 0.312
2010 186.9 0.327
2011 184.0 0.342
2012 181.2 0.357
2013 178.7 0.371
2014 176.4 0.384
2015 174.2 0.396
2016 172.1 0.408
2017 170.2 0.419
2018 168.3 0.430
2019 166.5 0.440
2020 164.8 0.449
2021 163.2 0.457
2022 161.6 0.465
2023 160.1 0.472
2024 158.7 0.479
2025 157.2 0.485
2026 155.8 0.490
2027 154.4 0.494
2028 153.1 0.498
2029 151.7 0.501
2030 150.4 0.503


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


 
  


wds19491-6149b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19491-6149 I 120 AB : NOTES
 
 
discov_num notes refcode
I 120 AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 1.74 +/- 0.62, 2.31, and 1.11 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
Tok2018b orb j Tokovinin, A. 2018IAUDS.194....1T
Tok2018b Inf. Circ. 194, 1, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
50 I Innes, R.T.A.
54 I MNRAS 57, 533, 1897 (data also in I__1897b,
54 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19491-6149 I 120 AB 1991 52 277 0.2 8.31 8.02 F7/8V NO 194907.25-614853.2
19491-6149 I 120 AB 2009 53 189 0.3 8.31 8.02 F7/8V NO 194907.25-614853.2
19491-6149 I 120 AB 2013 54 188 0.4 8.31 8.02 F7/8V NO 194907.25-614853.2
19491-6149 I 120 AB 2014 55 176 0.4 8.31 8.02 F7/8V NO 194907.25-614853.2
19491-6149 I 120 AB 2017 56 169 0.4 8.31 8.02 F7/8V NO 194907.25-614853.2
19491-6149 I 120 AB 2018 58 168 0.4 8.31 8.02 F7/8V NO 194907.25-614853.2
19491-6149 I 120 AB 2019 59 166 0.4 8.31 8.02 F7/8V NO 194907.25-614853.2

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

 
 
WDS 19491-6149 I 120 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19491-6149 I 120 AB : MEASURES
 
 
No records found.

 
 
WDS 19491-6149 : VIRTUAL EYEPIECE
 
 

19491-6149 I 120A mag 8.31 Sp F7/8V 19491-6149 I 120B sep 0.4 P.A. 173.20 mag 8.02 19491-6149 HJ 5141C sep 13.4 P.A. 350.20 mag 10.45 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 19491-6149 : ALADIN DSS IMAGE @ 19h 49m 07.25s -61° 48' 53.2"
 
 
 
 
WDS 19491-6149 I 120 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19491-6149 I 120AB distance=0' 19468-6221 TDT1736 distance=36' 19500-6231 RST5464 distance=43' 19498-6103 JSP 806 distance=46' 19548-6119 DEA 17 distance=51' 19494-6259 HDS2821 distance=71' 19404-6108 UC 4003 distance=75' 19475-6306 TDT1756 distance=78' 19517-6033 TDT1807 distance=79' 19578-6241 HU 1609AB distance=80' 19578-6241 B 9038AC distance=80' 19597-6102 HJ 5155AB distance=90' 19597-6102 BAU 59AC distance=90' 19351-6209 TDT1557 distance=101' 19584-6329 TDS1028 distance=119' 20071-6141 TDT1994 distance=128' 19315-6226 UC 3965 distance=129' 20051-6304 HJ 5163 distance=135' 20039-6026 KPP2309 distance=136' 20088-6203 UC 4102 distance=140' 19486-5928 UC 4028 distance=142' 19461-6409 TDS1010 distance=142' 19545-6408 FIN 275 distance=144' 19509-6421 RST5465 distance=153' 19322-6016 I 117 distance=154' 19507-5912 I 121Aa,Ab distance=158' 19507-5912 SHY 759AB distance=158' 19507-5912 SHY 761AC distance=158' 19507-5912 I 121AD distance=158' 20020-6405 HDS2853 distance=162' 19570-5917 LDS 693 distance=163' 19512-6435 MLO 88 distance=167' 19426-5901 I 119 distance=176' 20088-6001 I 1120AB distance=180' 20088-6001 UC 4101AC distance=180' 20037-5925 UC 4072 distance=180' 19498-6454 HJ 5140 distance=186' 20074-6415 RST5467 distance=192' 19483-6502 TDS1013 distance=194' 19411-5845 UC 4006 distance=194' 19499-6504 BRT2016 distance=195' 20010-6448 SOZ 20 distance=197' 19443-6503 TDT1691 distance=197' 20020-5853 RST5148 distance=201' 20007-5834 KPP3071 distance=214' 19565-6522 RSS 536 distance=219' 19357-5834 UC 3983 distance=219' 20072-6453 KPP 457 distance=221' 19422-6536 NZO 100 distance=232' 19348-6523 KPP 621 distance=235' 19341-5821 B 973 distance=237' 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 19491-6149 I 120 AB 166 0.4
Show 19491-6149 HJ 5141 AB,C 340 14.0
Show 19468-6221 TDT1736 287 2.3 36
Show 19500-6231 RST5464 286 0.9 43
Show 19498-6103 JSP 806 214 2.4 46
Show 19548-6119 DEA 17 7 135.9 51
Show 19494-6259 HDS2821 110 0.4 71
Show 19404-6108 UC 4003 51 6.3 75
Show 19475-6306 TDT1756 41 2.2 78
Show 19517-6033 TDT1807 234 6.5 79
Show 19578-6241 HU 1609 AB 236 2.4 80
Show 19578-6241 B 9038 AC 339 16.0 80
Show 19597-6102 HJ 5155 AB 192 4.7 90
Show 19597-6102 BAU 59 AC 163 44.2 90
Show 19351-6209 TDT1557 193 0.7 101
Show 19584-6329 TDS1028 346 1.0 119
Show 20071-6141 TDT1994 34 3.5 128
Show 19315-6226 UC 3965 101 10.0 129
Show 20051-6304 HJ 5163 249 1.3 135
Show 20039-6026 KPP2309 178 19.5 136
Show 20088-6203 UC 4102 155 73.6 140
Show 19486-5928 UC 4028 161 30.8 142
Show 19461-6409 TDS1010 180 0.9 142
Show 19545-6408 FIN 275 28 1.0 144
Show 19509-6421 RST5465 314 1.2 153
Show 19322-6016 I 117 185 1.1 154
Show 19507-5912 I 121 Aa,Ab 154 1.3 158
Show 19507-5912 SHY 759 AB 232 406.6 158
Show 19507-5912 SHY 761 AC 70 999.9 158
Show 19507-5912 I 121 AD 52 34.7 158
Show 20020-6405 HDS2853 104 0.4 162
Show 19570-5917 LDS 693 299 49.6 163
Show 19512-6435 MLO 88 229 5.2 167
Show 19426-5901 I 119 149 2.5 176
Show 20088-6001 I 1120 AB 68 6.0 180
Show 20088-6001 UC 4101 AC 184 84.7 180
Show 20037-5925 UC 4072 67 42.0 180
Show 19498-6454 HJ 5140 254 1.5 186
Show 20074-6415 RST5467 285 0.8 192
Show 19483-6502 TDS1013 264 1.3 194
Show 19411-5845 UC 4006 267 8.6 194
Show 19499-6504 BRT2016 104 3.7 195
Show 20010-6448 SOZ 20 271 22.5 197
Show 19443-6503 TDT1691 349 2.1 197
Show 20020-5853 RST5148 90 1.1 201
Show 20007-5834 KPP3071 331 5.6 214
Show 19565-6522 RSS 536 13 19.7 219
Show 19357-5834 UC 3983 216 43.6 219
Show 20072-6453 KPP 457 344 4.6 221
Show 19422-6536 NZO 100 218 2.6 232
Show 19348-6523 KPP 621 354 5.7 235

 
 
WDS 19491-6149 : COMPONENTS
 
 
  A B
B pa=173.2°
sep=0.43"
 
C pa=350.2°
sep=13.38"
pa=350.3°
sep=13.81"
 
 
19491-6149 A
 
 
Coord arcsec 2000 194907.25-614853.2 Mag 8.31 Spectral class F7/8V (yellow-white) PmRA 38.00
PmDE -96.0 SAO 254655 HIP 97508 HD 186602
GC 27374 CP CP-62 6108
SAO
SAO 254655 DelFlag RA1950 PmRA1950 0.0069
DE1950 PmDE1950 -0.077 Vmag 7.5 SpType G0
Double code Source 70 CatNum 27374 DM CP-62 6108
DMcomp BDsup HD 186602 M HD 0
GC 27374 RA1950rad 5.16919948 DE1950rad -1.08103332 PmRA2000 0.006
PmDE2000 -0.079
Hipparcos
Catalog H HIP 97508 Proxy H RAhms 19 49 07.25
DEdms -61 48 53.2 Vmag 7.28 VarFlag R Vmag G
RAdeg 297.28 DEdeg -61.8148 AstroRef * Plx 17.21
CCDM 19491-6149 N CCDM I Nsys 1 Ncomp 3
MultFlag C Source Qual B M HIP
Theta Rho HD 186602 BD
CD CP CP-62 6108 Dm number -62 6108 VIred 0.6
SpType F7/F8V R SpType Coord arcsec 2000 194907.25-614853.2
Hipparcos 2
HIP 97508 Sn 55 So 3 Nc 3
RArad 5.1885182126 DErad -1.0788713773 Plx 17.76 PmRA 44.12
PmDE -99.3 E RArad 1.08 E DErad 0.83 E Plx 1.38
E pmRA 1.03 E pmDE 0.98 Hpmag 7.3586 E Hpmag 0.0012
SHp 0.012 VA 0 BV 0.512 E BV 0.027
VI 0.6
CCDM
Ccdm 19491-6149 RComp Comp A Note1
Note2 Discov num DRAs 1.34 DDEs 7.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.2 Sp G0 PmNote *
PmRA 48 PmDE -77 Dm number -62 6108 Cat1 CPD
Name2 254655 Cat2 SAO HD 186602 M HD
ADS BDS M ADS BDS N IDS IDS 19403S6204A
HIC 97508
 
 
19491-6149 B
 
 
Coord arcsec 2000 194907.26-614853.6 Mag 8.02 Tycho2 9085-00729-1 Calc delta mag 0.29
Calc coord yes
Tycho2
Tycho2 9085-00729-1 Pflag RAmdeg 297.28038466 DEmdeg -61.81500509
PmRA 38.3 PmDE -96.0 E RAmdeg 4 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.38 EpDEm 1991.20
Num 12 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.2 BTmag 7.925 E BTmag 0.016 VTmag 7.360
E VTmag 0.010 Prox 140 TYC T HIP 97508
CCDM AB RAdeg 297.28019694 DEdeg -61.81478194 EpRA 1990 1.67
EpDE 1990 1.63 E RAdeg 4.3 E DEdeg 4.7 Posflg P
Corr 0.0
CCDM
Ccdm 19491-6149 RComp Comp B Note1 *
Note2 Discov num I 120 DRAs DDEs
R dRAs Year 1901 Theta Rho
Obs 99 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19403S6204B
HIC 97508
 
 
19491-6149 C
 
 
Coord arcsec 2000 194906.93-614840.0 Mag 10.45 PmRA 12.00 PmDE -56.0
Calc delta mag 2.14 Calc coord yes
CCDM
Ccdm 19491-6149 RComp Comp C Note1
Note2 Discov num HJ 5141 DRAs DDEs
R dRAs Year 1872 Theta 343 Rho 13.9
Obs 5 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19403S6204C
HIC