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Doubles in session


Current system
16198-5009
HJ 4841 AB
Gam2 Nor


Nearby doubles
17' : 16189-5024
I 561AB

19' : 16180-5012
RST 830

28' : 16224-4956
TDS9867

32' : 16211-4940
TDS9853

36' : 16206-5044
POM 17

40' : 16218-4935
AOT 66

43' : 16180-4930
TDS9827

45' : 16217-4929
SKF1405

45' : 16152-5004
TDS9809

48' : 16221-5052
LDS 857

49' : 16198-5058
RST3940

53' : 16253-5012
CPO 471AB

54' : 16143-5005
HJ 4838

55' : 16191-4916
CPO 466

56' : 16232-5055
CPO 470

57' : 16149-4940
TDS9808

59' : 16200-5107
RST 835

61' : 16234-4920
AOT 67

61' : 16145-5042
BRT 880

61' : 16253-5042
TDS9889

63' : 16154-5054
BRT 881

63' : 16235-4918
RST 842

63' : 16183-5110
CPO 463

64' : 16159-4918
RST5539

64' : 16265-5010
TDS9904

64' : 16157-5059
B 2803



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16198-5009 HJ 4841 AB (Gam2 Nor)

 
 
16h 19m 50.42s -50° 09' 19.8" P.A. 20.00 sep 49.1 mag 4.12,10.49 Sp G8III dist. 39.48 pc (128.78 l.y.)
 
 
Coord 2000 16198-5009 Discov num HJ 4841 Comp AB Coord arcsec 2000 16 19 50.42 -50 09 19.8
Date first 1891 Date last 2013 Obs 11
Pa first 350 Pa last 20.1 P.A. Now (θ) 20.1°
Sep first 35.0 Sep last 49.07 Sep. Now (ρ) 49.07"
Mag pri 4.12 Mag sec 10.49 delta mag (ΔM) 6.37 Spectral class G8III (yellow)
Pri motion ra -160 Sec motion ra -008
Pri motion dec -052 Sec motion dec -008
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.941
This double is not physical.
 
 
16198-5009 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Gam2 Nor 243643 16 19 50 -50 09 20 HJ 4841 AB 2013 11 20 49.1 4.12 10.49 6.37 <===
Show 243643 16 19 50 -50 09 20 NSN 378 AC 2016 2 45 24.4 4.13 15.83 11.70
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Gam2 Nor Constellation Norma SAO 243643 HIP 80000
Tycho2 8320-02290-1 HD 146686 HR 6072 GC 21933
GL Wo 9554 CD CD-4910536 CP CP-49 9161 Bayer Gamma 2 Normae
Bayer name Gam2 Nor FK5 604 Distance 39.48 Distance ly 128.78
Bayer greek γ2 Nor
 
 
WDS 16198-5009 HJ 4841 AB (Gam2 Nor) : NOTES
 
 
discov_num notes refcode
HJ 4841 gam 2 Nor
Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
Rectilinear solution by Hurowitz et al. (2014). USN2014a
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
USN2014a lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.182....1H
USN2014a Inf. Circ. 182, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
50 NSN Nanson, J., McGaughey, S. & Armstrong, J.D.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16198-5009 HJ 4841 AB 2013 11 20 49.1 4.12 10.49 G8III NL U 161950.42-500919.8

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

 
 
WDS 16198-5009 HJ 4841 AB (Gam2 Nor) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16198-5009 HJ 4841 AB (Gam2 Nor) : MEASURES
 
 
No records found.

 
 
WDS 16198-5009 (Gam2 Nor) : VIRTUAL EYEPIECE
 
 

16198-5009 HJ 4841A mag 4.12 Sp G8III 16198-5009 HJ 4841B sep 47.3 P.A. 13.20 mag 10.49 16198-5009 NSN 378C sep 20.5 P.A. 32.50 mag 15.83 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 16198-5009 (Gam2 Nor) : ALADIN DSS IMAGE @ 16h 19m 50.42s -50° 09' 19.8"
 
 
 
 
WDS 16198-5009 HJ 4841 AB (Gam2 Nor) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16198-5009 HJ 4841AB distance=0' 16189-5024 I 561AB distance=17' 16189-5024 I 561AC distance=17' 16180-5012 RST 830 distance=19' 16224-4956 TDS9867 distance=28' 16211-4940 TDS9853 distance=32' 16206-5044 POM 17 distance=36' 16218-4935 AOT 66 distance=40' 16180-4930 TDS9827 distance=43' 16217-4929 SKF1405 distance=45' 16152-5004 TDS9809 distance=45' 16221-5052 LDS 857 distance=48' 16198-5058 RST3940 distance=49' 16149-5026 SKF1035LV distance=51' 16253-5012 CPO 471AB distance=53' 16253-5012 VVV 35AC distance=53' 16143-5005 HJ 4838 distance=54' 16191-4916 CPO 466 distance=55' 16232-5055 CPO 470 distance=56' 16149-4940 TDS9808 distance=57' 16200-5107 RST 835 distance=59' 16234-4920 AOT 67 distance=61' 16145-5042 BRT 880 distance=61' 16253-5042 TDS9889 distance=61' 16154-5054 BRT 881 distance=63' 16235-4918 RST 842 distance=63' 16183-5110 CPO 463 distance=63' 16159-4918 RST5539 distance=64' 16265-5010 TDS9904 distance=64' 16157-5059 B 2803 distance=64' 16156-5059 CPO 461 distance=65' 16154-5100 TDS9812 distance=66' 16142-5047 TOK 409 distance=67' 16216-4904 AOT 65CD distance=68' 16216-4904 RST 839AB distance=68' 16154-4916 BRT 882 distance=69' 16247-5101 VVV 34 distance=69' 16159-4908 RST 828 distance=73' 16230-4903 BRT 889 distance=73' 16260-4925 VVV 36 distance=75' 16141-4920 RST 823 distance=75' 16161-4904 JNN 227AB distance=75' 16161-4904 JNN 227AC distance=75' 16161-4904 JNN 227AD distance=75' 16161-4904 JNN 227AE distance=75' 16161-4904 JNN 227AF distance=75' 16161-4904 JNN 227AG distance=75' 16161-4904 JNN 227AH distance=75' 16161-4904 JNN 227AI distance=75' 16231-4859 BRT 890 distance=78' 16187-5126 RST 834 distance=78' 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 16198-5009 HJ 4841 AB 20 49.1
Show 16198-5009 NSN 378 AC 45 24.4
Show 16189-5024 I 561 AB 273 5.9 17
Show 16189-5024 I 561 AC 155 10.2 17
Show 16180-5012 RST 830 55 1.1 19
Show 16224-4956 TDS9867 244 0.5 28
Show 16211-4940 TDS9853 221 0.6 32
Show 16206-5044 POM 17 201 9.1 36
Show 16218-4935 AOT 66 358 11.2 40
Show 16180-4930 TDS9827 318 1.2 43
Show 16217-4929 SKF1405 58 17.5 45
Show 16152-5004 TDS9809 163 2.3 45
Show 16221-5052 LDS 857 1 6.1 48
Show 16198-5058 RST3940 131 3.0 49
Show 16149-5026 SKF1035 LV 114 2.2 51
Show 16253-5012 CPO 471 AB 268 4.0 53
Show 16253-5012 VVV 35 AC 105 80.6 53
Show 16143-5005 HJ 4838 145 23.0 54
Show 16191-4916 CPO 466 80 5.9 55
Show 16232-5055 CPO 470 332 7.2 56
Show 16149-4940 TDS9808 261 0.7 57
Show 16200-5107 RST 835 217 1.9 59
Show 16234-4920 AOT 67 357 11.7 61
Show 16145-5042 BRT 880 202 7.1 61
Show 16253-5042 TDS9889 266 0.7 61
Show 16154-5054 BRT 881 313 5.8 63
Show 16235-4918 RST 842 155 2.8 63
Show 16183-5110 CPO 463 152 6.3 63
Show 16159-4918 RST5539 231 0.4 64
Show 16265-5010 TDS9904 161 2.2 64
Show 16157-5059 B 2803 80 3.1 64
Show 16156-5059 CPO 461 245 6.3 65
Show 16154-5100 TDS9812 31 2.3 66
Show 16142-5047 TOK 409 159 0.0 67
Show 16216-4904 AOT 65 CD 346 15.7 68
Show 16216-4904 RST 839 AB 326 0.4 68
Show 16154-4916 BRT 882 204 5.7 69
Show 16247-5101 VVV 34 243 15.0 69
Show 16159-4908 RST 828 131 0.4 73
Show 16230-4903 BRT 889 134 4.4 73
Show 16260-4925 VVV 36 78 5.8 75
Show 16141-4920 RST 823 216 1.0 75
Show 16161-4904 JNN 227 AB 283 2.8 75
Show 16161-4904 JNN 227 AC 126 2.9 75
Show 16161-4904 JNN 227 AD 128 3.5 75
Show 16161-4904 JNN 227 AE 54 4.1 75
Show 16161-4904 JNN 227 AF 161 3.7 75
Show 16161-4904 JNN 227 AG 73 4.9 75
Show 16161-4904 JNN 227 AH 83 4.8 75
Show 16161-4904 JNN 227 AI 73 3.9 75
Show 16231-4859 BRT 890 150 3.9 78

 
 
WDS 16198-5009 : COMPONENTS
 
 
  A B
B pa=13.2°
sep=47.33"
 
C pa=32.5°
sep=20.50"
pa=179.6°
sep=28.79"
 
 
16198-5009 A
 
 
Name Gam2 Nor Coord arcsec 2000 161950.42-500919.8 Mag 4.12 Spectral class G8III (yellow)
PmRA -160.00 PmDE -52.0 SAO 243643 HIP 80000
Tycho2 8320-02290-1 HD 146686 HR 6072 GC 21933
CD CD-4910536 CP CP-49 9161 Bayer Gamma 2 Bayer name Gam2
FK5 604
Tycho2
Tycho2 8320-02290-1 Pflag RAmdeg 244.96009758 DEmdeg -50.15550924
PmRA -158.4 PmDE -53.7 E RAmdeg 3 E DEmdeg 4
E pmRA 0.8 E pmDE 0.7 EpRAm 1991.50 EpDEm 1990.63
Num 16 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.1 BTmag 5.388 E BTmag 0.014 VTmag 4.122
E VTmag 0.009 Prox 473 TYC T HIP 80000
CCDM RAdeg 244.96066528 DEdeg -50.15537861 EpRA 1990 1.73
EpDE 1990 1.22 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr -0.2
SAO
SAO 243643 DelFlag RA1950 PmRA1950 -0.0162
DE1950 PmDE1950 -0.055 Vmag 4.1 SpType K0
Double code Source 74 CatNum 604 DM CD-4910536
DMcomp BDsup HD 146686 M HD 0
GC 21933 RA1950rad 4.25899175 DE1950rad -0.87327394 PmRA2000 -0.0164
PmDE2000 -0.056
Hipparcos
Catalog H HIP 80000 Proxy RAhms 16 19 50.57
DEdms -50 09 19.4 Vmag 4.01 VarFlag R Vmag H
RAdeg 244.961 DEdeg -50.1554 AstroRef Plx 25.58
CCDM 16198-5009 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 146686 BD
CD CD-4910536 CP CP-49 9161 Dm number -4910536 VIred 1.03
SpType G8III R SpType Coord arcsec 2000 161950.57-500919.4
Hipparcos 2
HIP 80000 Sn 5 So 0 Nc 1
RArad 4.2753707293 DErad -0.8753765045 Plx 25.33 PmRA -159.71
PmDE -52.25 E RArad 0.17 E DErad 0.12 E Plx 0.2
E pmRA 0.23 E pmDE 0.18 Hpmag 4.176 E Hpmag 0.0005
SHp 0.005 VA 0 BV 1.08 E BV 0.002
VI 1.03
CCDM
Ccdm 16198-5009 RComp Comp A Note1
Note2 Discov num DRAs 2.42 DDEs -20.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.1 Sp G8 PmNote *
PmRA -157 PmDE -55 Dm number -4910536 Cat1 CD
Name2 243643 Cat2 SAO HD 146686 M HD
ADS BDS M ADS BDS N IDS IDS 16124S4955A
HIC 80000
 
 
16198-5009 B
 
 
Coord arcsec 2000 161951.54-500833.7 Mag 10.49 PmRA -8.00 PmDE -8.0
Calc delta mag 6.37 Calc coord yes
CCDM
Ccdm 16198-5009 RComp Comp B Note1
Note2 Discov num HJ 4841 DRAs DDEs
R dRAs Year 1959 Theta 012 Rho 44.9
Obs 4 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16124S4955B
HIC
 
 
16198-5009 C
 
 
Coord arcsec 2000 161951.56-500902.5 Mag 15.83 PmRA -159.00 PmDE -53.0
Calc delta mag 11.71 Calc coord yes