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Current system
07433+2853
CIA 7 Aa,Ab


Nearby doubles
23' : 07428+2832
TDS5105

35' : 07407+2850
ARY 41

57' : 07395+2826
SKF1624

58' : 07453+2802
BU 580AB
Pollux

58' : 07390+2839
SKF1623

63' : 07410+2947
KPP1120

63' : 07388+2915
SKF1619

63' : 07480+2840
AGC 2

66' : 07397+2807
TOI1704

66' : 07383+2846
SLW 198

69' : 07451+2748
FYM 613

69' : 07485+2846
S 560

72' : 07488+2855
H 5 67

73' : 07385+2819
ARY 40AB

75' : 07470+2757
UC 1613

78' : 07490+2834
STF1144AB

85' : 07451+3014
KU 95AB

86' : 07446+2729
OCC 131

93' : 07363+2853
SKF1567

93' : 07366+2920
BRT 244

93' : 07364+2911
SKF1568

94' : 07378+2754
SKF1614

100' : 07366+2808
SKF1569

106' : 07514+2858
UC 1618

107' : 07507+2936
KPP 898

111' : 07510+2939
TDS5269



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.

07433+2853 CIA 7 Aa,Ab

 
 
07h 43m 18.73s +28° 53' 00.6" P.A. 22.00 sep 0.0 mag 4.28,11.00 Sp K1III dist. 38.34 pc (125.07 l.y.)
 
 
Coord 2000 07433+2853 Discov num CIA   7 Comp Aa,Ab Coord arcsec 2000 07 43 18.73 +28 53 00.6
Date first 2011 Date last 2012 Obs 5
Pa first 19 Pa last 21.6 P.A. Now (θ) 21.6°
Sep first 0.0 Sep last 0.003 Sep. Now (ρ) 0.003"
Mag pri 4.28 Mag sec 11.00 delta mag (ΔM) 6.72 Spectral class K1III (yellow-orange)
Pri motion ra +062 Sec motion ra
Pri motion dec -232 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
07433+2853 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 79638 07 43 19 +28 53 01 CIA 7 Aa,Ab 2012 5 22 0.0 4.28 11.00 6.72 Y <===
Show Sig Gem 79638 07 43 19 +28 53 01 BLL 23 AB 1998 7 319 195.5 4.28 10.80 6.52
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Gemini SAO 79638 HIP 37629 Tycho2 1924-02022-1
Gaia DR2 878467085734742400 HD 62044 HR 2973 GC 10373
BD BD+29 1590 Bayer Sigma Geminorum Bayer name Sig Gem Flamsteed 75 Geminorum
Flamsteed name 75 Gem Distance 38.34 Distance ly 125.07 Bayer greek σ Gem
 
 
ORBITAL ELEMENTS
 
 
Period (P)19.6027d± 0.0005 Periastron (T)53583.98d (2005.584y)± 0.03 Semi-major axis (a)4.63m± 0.04
Eccentricity (e)0 Inclination (i)107.7°± 0.8 Longitude of periastron (ω)0°
Node (Ω)1.2°± 0.8 Notesn ReferenceCIA2015b
Equinox2000 Last observation2012 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 5.9 0.004
2001-01-01 170.3 0.004
2002-01-01 301.5 0.002
2003-01-01 22.8 0.003
2004-01-01 182.7 0.005
2005-01-01 345.5 0.004
2006-01-01 90.0 0.001
2007-01-01 196.5 0.004
2008-01-01 359.5 0.005
2009-01-01 159.1 0.003
2010-01-01 239.1 0.002
2011-01-01 11.8 0.004
2012-01-01 176.2 0.004
2013-01-01 329.7 0.002
2014-01-01 39.3 0.002
2015-01-01 187.9 0.004
2016-01-01 352.6 0.004
2017-01-01 134.5 0.002
2018-01-01 207.5 0.003
2019-01-01 4.5 0.005
2020-01-01 168.4 0.004
2021-01-01 288.9 0.001
2022-01-01 19.8 0.003
2023-01-01 181.3 0.005
2024-01-01 343.0 0.003
2025-01-01 75.5 0.001
2026-01-01 194.3 0.004
2027-01-01 358.1 0.005
2028-01-01 155.5 0.003
2029-01-01 229.2 0.002
2030-01-01 10.0 0.004


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


 
  


wds07433%2B2853a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 07433+2853 CIA 7 Aa,Ab : NOTES
 
 
discov_num notes refcode
BLL 23 sig Gem = 75 Gem. A is a spectroscopic binary and variable.
NPOI Limb-darkened diameter 2.31 +/- 0.05 mas, NOI1999
R = 9.3 +/- 0.3 \rsun.
CIA 7 Aa,Ab: Roettenbacher et al. (2015) resolve the RS CVn binary sig Gem
and determined a combined spectroscopic/astrometric orbit. The orbital
parallax is 25.8 +/- 0.4 mas (38.8 +/- 0.6pc), flux ratio in H is
270 +/- 70, primary radius is 10.1 +/- 0.4 Rsun, primary luminosity
39 +/- 2 Lsun, the system age 5 +/- 1 Gyr. Derived masses are
1.28 +/- 0.07 and 0.73 +/- 0.03 Msun. CIA2015b
 
 
REFERENCES
 
 
refcode metd author reference
CIA2015b Kc j Roettenbacher, R.M., Monnier, J., Henry, G.W., Fekel, F.C., Williamson, M.H., 2015ApJ...807...23R
CIA2015b Pourbaix, D., Latham, D.W., Latham, C.A., Torres, G., Baron, F., Che, X.,
CIA2015b Kraus, S., et al.
CIA2015b ApJ 807, 23, 2015
NOI1999 not j Nordgren, T.E., Germain, M.E., Benson, J.A., Mozurkewich, D., Sudol, J.J., Elias, 1999AJ....118.3032N
NOI1999 II, N.M., Hajian, A.R., White, N.M., Hutter, D.J., Johnston, K.J., Gauss, F.S., .
NOI1999 Armstrong, J.T., Pauls, T.A. & Rickard, L.J. .
NOI1999 AJ 118, 3032, 1999 .
 
 
DISCOVERER
 
 
idgroup discov author
1 BLL Ball, R.S.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
07433+2853 CIA 7 Aa,Ab 2012 5 22 0.0 4.28 11.00 K1III NO 074318.73+285300.6

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

 
 
WDS 07433+2853 CIA 7 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07433+2853 CIA 7 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 07433+2853 : VIRTUAL EYEPIECE
 
 

07433+2853 BLL 23A mag 4.28 Sp K1III 07433+2853 CIA 7Ab mag 11 07433+2853 BLL 23B sep 185.4 P.A. 322.90 mag 10.8 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 07433+2853 : ALADIN DSS IMAGE @ 07h 43m 18.73s +28° 53' 00.6"
 
 
 
 
WDS 07433+2853 CIA 7 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07433+2853 CIA 7Aa,Ab distance=0' 07428+2832 TDS5105 distance=23' 07458+2845 ES 420A,BC distance=34' 07458+2845 ES 420BC distance=35' 07407+2850 ARY 41 distance=35' 07453+2802 BRT 14GH distance=56' 07395+2826 SKF1624 distance=57' 07453+2802 BU 580AB (Pollux) distance=58' 07453+2802 H 6 42AC (Pollux) distance=58' 07453+2802 BU 580AG (Pollux) distance=58' 07453+2802 BU 580AE (Pollux) distance=58' 07453+2802 STFB 5AF (Pollux) distance=58' 07390+2839 SKF1623 distance=58' 07453+2802 BU 580CD distance=59' 07453+2802 BU 580CE distance=59' 07453+2802 BU 580CF distance=59' 07410+2947 KPP1120 distance=63' 07388+2915 SKF1619 distance=63' 07480+2840 AGC 2 distance=63' 07397+2807 TOI1704 distance=66' 07383+2846 SLW 198 distance=66' 07451+2748 FYM 613 distance=69' 07485+2846 S 560 distance=69' 07488+2855 H 5 67 distance=72' 07385+2819 COU1247Aa,Ab distance=73' 07385+2819 ARY 40AB distance=73' 07470+2757 UC 1613 distance=75' 07490+2834 STF1144AB distance=78' 07490+2834 ARN 69AC distance=78' 07451+3014 KU 95AB distance=85' 07451+3014 SIN 30AC distance=85' 07451+3014 SIN 30AD distance=85' 07446+2729 OCC 131 distance=86' 07363+2853 SKF1567 distance=93' 07366+2920 BRT 244 distance=93' 07364+2911 SKF1568 distance=93' 07378+2754 SKF1614 distance=94' 07366+2808 SKF1569 distance=100' 07514+2858 UC 1618 distance=106' 07507+2936 KPP 898 distance=107' 07510+2939 TDS5269 distance=111' 07345+2841 COU1110AB distance=117' 07345+2841 GII 152Aa,Ab distance=117' 07522+2843 SMR 70 distance=117' 07348+2818 SLW 197 distance=117' 07489+3026 SLN 10 distance=118' 07523+2842 ES 421 distance=119' 07357+2749 CBL 236 distance=120' 07343+2927 KPP 162 distance=124' 07360+2728 SKF1564 distance=130' 07522+2949 HJ 431 distance=130' 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 07433+2853 BLL 23 AB 319 195.5
Show 07433+2853 CIA 7 Aa,Ab 22 0.0
Show 07428+2832 TDS5105 42 0.7 23
Show 07458+2845 ES 420 A,BC 119 61.9 34
Show 07458+2845 ES 420 BC 278 3.0 35
Show 07407+2850 ARY 41 255 44.8 35
Show 07453+2802 BRT 14 GH 59 1.8 56
Show 07395+2826 SKF1624 108 1.4 57
Show Pollux 07453+2802 BU 580 AB 76 39.8 58
Show Pollux 07453+2802 H 6 42 AC 76 257.5 58
Show Pollux 07453+2802 BU 580 AG 353 152.2 58
Show Pollux 07453+2802 BU 580 AE 90 289.9 58
Show Pollux 07453+2802 STFB 5 AF 79 313.5 58
Show 07390+2839 SKF1623 285 1.7 58
Show 07453+2802 BU 580 CD 132 1.4 59
Show 07453+2802 BU 580 CE 146 71.6 59
Show 07453+2802 BU 580 CF 90 57.3 59
Show 07410+2947 KPP1120 359 8.8 63
Show 07388+2915 SKF1619 214 1.2 63
Show 07480+2840 AGC 2 116 1.0 63
Show 07397+2807 TOI1704 111 9.0 66
Show 07383+2846 SLW 198 138 9.9 66
Show 07451+2748 FYM 613 273 13.8 69
Show 07485+2846 S 560 358 88.1 69
Show 07488+2855 H 5 67 11 51.0 72
Show 07385+2819 COU1247 Aa,Ab 224 0.1 73
Show 07385+2819 ARY 40 AB 112 70.7 73
Show 07470+2757 UC 1613 186 53.0 75
Show 07490+2834 STF1144 AB 358 8.4 78
Show 07490+2834 ARN 69 AC 277 145.4 78
Show 07451+3014 KU 95 AB 60 41.8 85
Show 07451+3014 SIN 30 AC 275 123.2 85
Show 07451+3014 SIN 30 AD 88 234.4 85
Show 07446+2729 OCC 131 -1 0.1 86
Show 07363+2853 SKF1567 1 1.1 93
Show 07366+2920 BRT 244 167 5.5 93
Show 07364+2911 SKF1568 288 1.0 93
Show 07378+2754 SKF1614 252 1.5 94
Show 07366+2808 SKF1569 214 2.2 100
Show 07514+2858 UC 1618 28 8.6 106
Show 07507+2936 KPP 898 71 7.5 107
Show 07510+2939 TDS5269 21 0.7 111
Show 07345+2841 COU1110 AB 308 3.3 117
Show 07345+2841 GII 152 Aa,Ab 126 0.2 117
Show 07522+2843 SMR 70 345 5.8 117
Show 07348+2818 SLW 197 331 41.3 117
Show 07489+3026 SLN 10 263 1.5 118
Show 07523+2842 ES 421 218 6.5 119
Show 07357+2749 CBL 236 102 17.6 120
Show 07343+2927 KPP 162 156 4.7 124
Show 07360+2728 SKF1564 232 0.8 130

 
 
WDS 07433+2853 : COMPONENTS
 
 
  A Ab
Ab pa=19.1°
sep=0.00"
 
B pa=322.9°
sep=185.45"
pa=322.9°
sep=185.44"
 
 
07433+2853 A
 
 
Name Sig Gem Coord arcsec 2000 074318.73+285300.6 Mag 4.28 Spectral class K1III (yellow-orange)
PmRA 62.00 PmDE -232.0 SAO 79638 HIP 37629
Tycho2 1924-02022-1 HD 62044 HR 2973 GC 10373
BD BD+29 1590 Bayer Sigma Geminorum Bayer name Sig Flamsteed 75 Geminorum
Flamsteed name 75 Gem
Tycho2
Tycho2 1924-02022-1 Pflag RAmdeg 115.82802764 DEmdeg 28.88351125
PmRA 62.6 PmDE -230.8 E RAmdeg 3 E DEmdeg 3
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.69 EpDEm 1991.47
Num 17 Q RAmdeg 1.0 Q DEmdeg 0.3 Q pmRA 0.9
Q pmDE 0.4 BTmag 5.675 E BTmag 0.014 VTmag 4.369
E VTmag 0.009 Prox 999 TYC T HIP 37629
CCDM RAdeg 115.82786667 DEdeg 28.88404667 EpRA 1990 1.89
EpDE 1990 1.65 E RAdeg 3.1 E DEdeg 3.4 Posflg
Corr 0.2
SAO
SAO 79638 DelFlag RA1950 PmRA1950 0.0051
DE1950 PmDE1950 -0.234 Vmag 4.3 SpType K0
Double code Source 70 CatNum 10373 DM BD+29 1590
DMcomp BDsup HD 62044 M HD 0
GC 10373 RA1950rad 2.00795637 DE1950rad 0.50625482 PmRA2000 0.0049
PmDE2000 -0.232
Hipparcos
Catalog H HIP 37629 Proxy RAhms 07 43 18.69
DEdms +28 53 02.7 Vmag 4.23 VarFlag 2 R Vmag H
RAdeg 115.828 DEdeg 28.8841 AstroRef Plx 26.68
CCDM 07433+2854 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 62044 BD BD+29 1590
CD CP Dm number +29 1590 VIred 1.12
SpType K1III SB R SpType Coord arcsec 2000 074318.69+285302.7
Hipparcos 2
HIP 37629 Sn 5 So 0 Nc 1
RArad 2.0215774378 DErad 0.5041221495 Plx 26.08 PmRA 62.66
PmDE -230.32 E RArad 0.18 E DErad 0.09 E Plx 0.19
E pmRA 0.24 E pmDE 0.14 Hpmag 4.3955 E Hpmag 0.0011
SHp 0.02 VA 2 BV 1.118 E BV 0.006
VI 1.12
 
 
07433+2853 Ab
 
 
Coord arcsec 2000 074318.73+285300.6 Mag 11 Calc delta mag 6.72 Calc coord yes
 
 
07433+2853 B
 
 
Coord arcsec 2000 074310.22+285528.6 Mag 10.8 PmRA 26.00 PmDE -67.0
Calc delta mag 6.52 Calc coord yes