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Doubles in session


Current system
23357-2729
SEE 492 AB
HD 221839


Nearby doubles
3' : 23355-2729
KPP3403AB

23' : 23357-2752
TVB 334

29' : 23348-2756
WIS 388

50' : 23385-2802
KPP4322

54' : 23388-2802
KPP1285

56' : 23339-2820
UC 4987

61' : 23311-2730
SKF 160

63' : 23388-2816
B 608

66' : 23322-2643
HJ 3199

68' : 23337-2832
RST2221

69' : 23383-2631
RST1172

70' : 23408-2719
RST1175

73' : 23303-2714
SKF2109

80' : 23402-2822
SKF2111

86' : 23340-2852
LDS6404

90' : 23329-2608
SKF 161AB

91' : 23397-2842
RSS 582

91' : 23420-2657
TDT4153

91' : 23296-2648
TDT4066

92' : 23306-2831
KPP1550

99' : 23291-2816
HDS3343

103' : 23356-2547
LDS6041

104' : 23315-2857
B 602

106' : 23402-2856
TDT4143

113' : 23302-2604
UC 4965

113' : 23350-2922
HJ 5404



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.

23357-2729 SEE 492 AB (HD 221839)

 
 
23h 35m 40.06s -27° 29' 25.7" P.A. 43.00 sep 0.7 mag 6.84,9.18 Sp F9V dist. 38.51 pc (125.62 l.y.)
 
 
Coord 2000 23357-2729 Discov num SEE 492 Comp AB Coord arcsec 2000 23 35 40.06 -27 29 25.7
Date first 1897 Date last 2021 Obs 67
Pa first 265 Pa last 42.6 P.A. Now (θ) 43.8°
Sep first 0.4 Sep last 0.689 Sep. Now (ρ) 0.694"
Mag pri 6.84 Mag sec 9.18 delta mag (ΔM) 2.34 Spectral class F9V (yellow-white)
Pri motion ra +094 Sec motion ra +094
Pri motion dec -155 Sec motion dec -155
Notes N O W (See Notes, Orbital solution, )
This double is physical.
 
 
23357-2729 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 221839 192020 23 35 40 -27 29 26 SEE 492 AB 2021 67 43 0.7 6.84 9.18 2.34 Y <===
Show 192020 23 35 40 -27 29 26 SKF 2110 AC 2010 4 272 162.5 6.70 16.40 9.70
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 221839 Constellation Sculptor SAO 192020 HIP 116436
Tycho2 6983-01298-1 Gaia DR2 2331919340510674944 HD 221839 GC 32802
ADS 16850 CD CD-2818257 Distance 38.51 Distance ly 125.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)77.75y Periastron (T)1969.11y Semi-major axis (a)0.601a
Eccentricity (e)0.491 Inclination (i)50° Longitude of periastron (ω)110.6°
Node (Ω)72.1° Notesn ReferenceDoc2015g
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 351.1 0.562
2001 354.0 0.570
2002 356.9 0.577
2003 359.6 0.585
2004 2.3 0.593
2005 5.0 0.601
2006 7.5 0.609
2007 10.0 0.617
2008 12.5 0.625
2009 14.8 0.632
2010 17.1 0.640
2011 19.4 0.647
2012 21.6 0.654
2013 23.8 0.661
2014 25.9 0.667
2015 28.0 0.673
2016 30.0 0.678
2017 32.0 0.683
2018 34.0 0.687
2019 36.0 0.690
2020 38.0 0.692
2021 39.9 0.694
2022 41.9 0.694
2023 43.8 0.694
2024 45.8 0.692
2025 47.7 0.689
2026 49.7 0.685
2027 51.7 0.679
2028 53.8 0.672
2029 55.9 0.663
2030 58.1 0.652


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


 
  


wds23357-2729b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 23357-2729 SEE 492 AB (HD 221839) : NOTES
 
 
discov_num notes refcode
SEE 492 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.03 +/- 0.32, 2.10, and 1.07 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Doc2015g orb - Docobo, J.A. & Campo, P. 2015IAUDS.187R...1D
Doc2015g Inf. Circ. 187, 1, 2015
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 SEE See, T.J.J.
92 SKF Skiff, B.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23357-2729 SEE 492 AB 2010 53 19 0.6 6.84 9.18 F9V NO 233540.06-272925.7
23357-2729 SEE 492 AB 2014 54 28 0.7 6.84 9.18 F9V NO 233540.06-272925.7
23357-2729 SEE 492 AB 2015 55 30 0.7 6.84 9.18 F9V NO 233540.06-272925.7
23357-2729 SEE 492 AB 2017 58 34 0.7 6.84 9.18 F9V NO 233540.06-272925.7
23357-2729 SEE 492 AB 2018 62 37 0.7 6.84 9.18 F9V NO 233540.06-272925.7
23357-2729 SEE 492 AB 2020 63 41 0.7 6.84 9.18 F9V NOW 233540.06-272925.7
23357-2729 SEE 492 AB 2021 67 43 0.7 6.84 9.18 F9V NOW 233540.06-272925.7

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

 
 
WDS 23357-2729 SEE 492 AB (HD 221839) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23357-2729 SEE 492 AB (HD 221839) : MEASURES
 
 
No records found.

 
 
WDS 23357-2729 (HD 221839) : VIRTUAL EYEPIECE
 
 

23357-2729 SEE 492A mag 6.84 Sp F9V 23357-2729 SEE 492B sep 0.7 P.A. 39.20 mag 9.18 23357-2729 SKF2110C sep 144.2 P.A. 272.60 mag 16.4 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 23357-2729 (HD 221839) : ALADIN DSS IMAGE @ 23h 35m 40.06s -27° 29' 25.7"
 
 
 
 
WDS 23357-2729 SEE 492 AB (HD 221839) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23357-2729 SEE 492AB distance=0' 23355-2729 KPP3403AB distance=3' 23357-2752 TVB 334 distance=23' 23348-2756 WIS 388 distance=29' 23385-2802 KPP4322 distance=50' 23388-2802 KPP1285 distance=54' 23339-2820 UC 4987 distance=56' 23311-2730 SKF 160 distance=61' 23388-2816 B 608 distance=63' 23322-2643 HJ 3199 distance=66' 23337-2832 RST2221 distance=68' 23383-2631 RST1172 distance=69' 23408-2719 RST1175 distance=70' 23303-2714 SKF2109 distance=73' 23402-2822 SKF2111 distance=80' 23340-2852 LDS6404 distance=86' 23329-2608 SKF 161AB distance=90' 23397-2842 RSS 582 distance=91' 23420-2657 TDT4153 distance=91' 23296-2648 TDT4066 distance=91' 23306-2831 KPP1550 distance=92' 23291-2816 HDS3343 distance=99' 23356-2547 LDS6041 distance=103' 23315-2857 B 602 distance=104' 23402-2856 TDT4143 distance=106' 23302-2604 UC 4965 distance=113' 23350-2922 HJ 5404 distance=113' 23316-2549 LDS6036 distance=114' 23441-2712 COO 259 distance=115' 23278-2641 STN 59 distance=117' 23384-2922 B 606 distance=118' 23270-2703 KPP 531 distance=119' 23276-2836 RST2218 distance=126' 23268-2821 RST2217 distance=129' 23456-2731 B 614 distance=133' 23415-2540 B 611 distance=135' 23289-2550 RST1168 distance=135' 23432-2904 SKF2113 distance=138' 23284-2907 UC 4959 distance=138' 23382-2513 SEE 493BC distance=140' 23445-2615 HJ 5417 distance=140' 23307-2933 RST2220 distance=140' 23382-2513 SEE 493AB distance=141' 23336-2947 UC 4982 distance=141' 23449-2838 LDS6057 distance=141' 23462-2752 RST2225 distance=142' 23403-2520 RST1174 distance=144' 23434-2912 HJ 3209 distance=145' 23307-2512 UC 4971 distance=154' 23436-2923 KPP2354 distance=154' 23240-2717 HWE 63 distance=156' 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 23357-2729 SEE 492 AB 43 0.7
Show 23357-2729 SKF2110 AC 272 162.5
Show 23355-2729 KPP3403 AB 135 1.3 3
Show 23357-2752 TVB 334 63 2.8 23
Show 23348-2756 WIS 388 93 19.0 29
Show 23385-2802 KPP4322 175 1.9 50
Show 23388-2802 KPP1285 62 9.8 54
Show 23339-2820 UC 4987 175 14.3 56
Show 23311-2730 SKF 160 303 2.2 61
Show 23388-2816 B 608 239 0.1 63
Show 23322-2643 HJ 3199 213 30.6 66
Show 23337-2832 RST2221 344 1.3 68
Show 23383-2631 RST1172 344 0.7 69
Show 23408-2719 RST1175 212 1.0 70
Show 23303-2714 SKF2109 299 46.2 73
Show 23402-2822 SKF2111 127 141.5 80
Show 23340-2852 LDS6404 104 6.7 86
Show 23329-2608 SKF 161 AB 23 2.4 90
Show 23397-2842 RSS 582 21 21.8 91
Show 23420-2657 TDT4153 223 0.7 91
Show 23296-2648 TDT4066 278 2.3 91
Show 23306-2831 KPP1550 65 11.7 92
Show 23291-2816 HDS3343 311 0.7 99
Show 23356-2547 LDS6041 348 16.9 103
Show 23315-2857 B 602 180 0.2 104
Show 23402-2856 TDT4143 73 0.5 106
Show 23302-2604 UC 4965 127 26.1 113
Show 23350-2922 HJ 5404 303 15.6 113
Show 23316-2549 LDS6036 169 257.0 114
Show 23441-2712 COO 259 161 6.4 115
Show 23278-2641 STN 59 211 1.5 117
Show 23384-2922 B 606 347 0.2 118
Show 23270-2703 KPP 531 167 3.7 119
Show 23276-2836 RST2218 213 2.9 126
Show 23268-2821 RST2217 63 2.1 129
Show 23456-2731 B 614 301 1.8 133
Show 23415-2540 B 611 286 2.1 135
Show 23289-2550 RST1168 123 1.2 135
Show 23432-2904 SKF2113 205 6.1 138
Show 23284-2907 UC 4959 124 22.5 138
Show 23382-2513 SEE 493 BC 266 2.2 140
Show 23445-2615 HJ 5417 318 8.1 140
Show 23307-2933 RST2220 289 0.8 140
Show 23382-2513 SEE 493 AB 221 46.0 141
Show 23336-2947 UC 4982 133 36.7 141
Show 23449-2838 LDS6057 297 194.7 141
Show 23462-2752 RST2225 155 0.3 142
Show 23403-2520 RST1174 113 3.0 144
Show 23434-2912 HJ 3209 270 10.9 145
Show 23307-2512 UC 4971 33 56.7 154
Show 23436-2923 KPP2354 136 20.2 154

 
 
WDS 23357-2729 : COMPONENTS
 
 
  A B
B pa=39.2°
sep=0.65"
 
C pa=272.6°
sep=144.21"
pa=272.4°
sep=144.60"
 
 
23357-2729 A
 
 
Name HD 221839 Coord arcsec 2000 233540.06-272925.7 Mag 6.84 Spectral class F9V (yellow-white)
PmRA 94.00 PmDE -155.0 SAO 192020 HIP 116436
Tycho2 6983-01298-1 HD 221839 GC 32802 CD CD-2818257
Tycho2
Tycho2 6983-01298-1 Pflag RAmdeg 353.91689317 DEmdeg -27.49046173
PmRA 94.1 PmDE -154.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.62 EpDEm 1991.51
Num 10 Q RAmdeg 1.5 Q DEmdeg 1.5 Q pmRA 1.6
Q pmDE 1.5 BTmag 7.377 E BTmag 0.015 VTmag 6.788
E VTmag 0.010 Prox 999 TYC T HIP 116436
CCDM AB RAdeg 353.91665250 DEdeg -27.49010750 EpRA 1990 1.82
EpDE 1990 1.76 E RAdeg 3.7 E DEdeg 4.1 Posflg P
Corr -0.4
SAO
SAO 192020 DelFlag RA1950 PmRA1950 0.0092
DE1950 PmDE1950 -0.131 Vmag 6.7 SpType F8
Double code Source 70 CatNum 32802 DM CD-2818257
DMcomp BDsup HD 221839 M HD 0
GC 32802 RA1950rad 6.16552906 DE1950rad -0.48458691 PmRA2000 0.0092
PmDE2000 -0.135
Hipparcos
Catalog H HIP 116436 Proxy H RAhms 23 35 39.99
DEdms -27 29 24.4 Vmag 6.66 VarFlag R Vmag G
RAdeg 353.917 DEdeg -27.4901 AstroRef A Plx 25.96
CCDM 23357-2729 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 320 Rho 0.506 HD 221839 BD
CD CD-2818257 CP Dm number -2818257 VIred 0.63
SpType F8V R SpType Coord arcsec 2000 233539.99-272924.4
Hipparcos 2
HIP 116436 Sn 15 So 3 Nc 2
RArad 6.1770107336 DErad -0.4797927197 Plx 25.97 PmRA 86.79
PmDE -159.69 E RArad 0.61 E DErad 0.42 E Plx 0.73
E pmRA 1 E pmDE 0.58 Hpmag 6.7957 E Hpmag 0.0017
SHp 0.011 VA 0 BV 0.56 E BV 0.006
VI 0.63
CCDM
Ccdm 23357-2729 RComp Comp A Note1
Note2 Discov num DRAs -1.77 DDEs -23.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.0 Sp F8 PmNote *
PmRA 120 PmDE -130 Dm number -2818257 Cat1 CD
Name2 192020 Cat2 SAO HD 221839 M HD
ADS BDS A16850 M ADS BDS N IDS IDS 23304S2802A
HIC 116436
 
 
23357-2729 B
 
 
Coord arcsec 2000 233540.09-272925.2 Mag 9.18 PmRA 94.00 PmDE -155.0
Calc delta mag 2.34 Calc coord yes
CCDM
Ccdm 23357-2729 RComp Comp B Note1 *
Note2 Discov num SEE 492 DRAs DDEs
R dRAs Year 1897 Theta Rho
Obs 99 Vmag 8.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16850 M ADS BDS N IDS IDS 23304S2802B
HIC 116436
 
 
23357-2729 C
 
 
Coord arcsec 2000 233529.23-272919.2 Mag 16.4 PmRA 94.00 PmDE -142.0
Calc delta mag 9.56 Calc coord yes