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Doubles in session


Current system
16001-3824
RMK 21 AB
Eta Lup


Nearby doubles
12' : 15597-3834
B 2373

19' : 16013-3836
RST1872

21' : 16014-3837
TDS9732

28' : 15579-3833
KPP3013

34' : 16024-3803
COO 191

40' : 16034-3829
I 555AB

50' : 15587-3910
HJ 4822

57' : 16020-3732
KOU 45AB

59' : 15577-3915
WG 185

62' : 16046-3752
HDO 253AB

66' : 15546-3818
B 851

66' : 15558-3742
SWR 187

75' : 16062-3802
B 860

81' : 15536-3759
B 850

82' : 15549-3731
B 852AB

83' : 16047-3926
I 373

90' : 16070-3902
REP 29

92' : 16072-3904
GHE 41AB

93' : 16077-3802
COO 193

95' : 16072-3911
GHE 42

96' : 15536-3921
TOK 598AB

98' : 16001-3647
SKF2048

99' : 16085-3828
CTI2772

99' : 16078-3745
B 861

100' : 15518-3807
B 849AB

100' : 15561-3952
HDO 252



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.

16001-3824 RMK 21 AB (Eta Lup)

 
 
16h 00m 07.33s -38° 23' 48.1" P.A. 19.00 sep 14.8 mag 3.37,7.50 Sp B2.5IV dist. 135.5 pc (442 l.y.)
 
 
Coord 2000 16001-3824 Discov num RMK  21 Comp AB Coord arcsec 2000 16 00 07.33 -38 23 48.1
Date first 1834 Date last 2020 Obs 43
Pa first 22 Pa last 19.3 P.A. Now (θ) 19.3°
Sep first 13.5 Sep last 14.76 Sep. Now (ρ) 14.76"
Mag pri 3.37 Mag sec 7.50 delta mag (ΔM) 4.13 Spectral class B2.5IV (blue-white)
Pri motion ra -017 Sec motion ra -026
Pri motion dec -026 Sec motion dec -030
Notes N (See Notes)
rPM=0.248 (< 0.3, Physical double)
This double is physical.
 
 
16001-3824 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Eta Lup 207208 16 00 07 -38 23 48 RMK 21 AB 2020 43 19 14.8 3.37 7.50 4.13 <===
Show 207208 16 00 07 -38 23 48 RMK 21 AC 2015 12 248 114.9 3.37 9.39 6.02
Show 207208 16 00 07 -38 23 48 ANT 2 AD 2007 5 293 135.5 3.37 10.85 7.48
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Eta Lup Constellation Lupus SAO 207208 HIP 78384
Tycho2 7851-01814-1 Gaia DR2 5998019895872140800 HD 143118 HR 5948
GC 21478 CD CD-3810797 CP CP-38 6322 Bayer Eta Lupi
Bayer name Eta Lup Distance 135.5 Distance ly 442 Bayer greek η Lup
 
 
WDS 16001-3824 RMK 21 AB (Eta Lup) : NOTES
 
 
discov_num notes refcode
RMK 21 eta Lup
 
 
REFERENCES
 
 
refcode metd author reference
Ant2001 C - Anton, R. ...................
Ant2001 private communication, 2001
Ant2004 C u Anton, R. 2004DSO....10....1A
Ant2004 Double Star Observer 10, #1, 2004
Ant2006 C u Anton, R. 2006JDSO....2..108A
Ant2006 JDSO 2, 108, 2006
Ant2008 C u Anton, R. 2008JDSO....4...40A
Ant2008 JDSO 4, 40, 2008
Ant2009 C u Anton, R. 2009JDSO....5...65A
Ant2009 JDSO 5, 65, 2009
Ant2010 C u Anton, R. 2010JDSO....6..133A
Ant2010 JDSO 6, 133, 2010
Ant2010b C u Anton, R. 2010JDSO....6..180A
Ant2010b JDSO 6, 180, 2010
Ant2011 C u Anton, R. 2011JDSO....7...64A
Ant2011 JDSO 7, 64, 2011
Ant2011b C u Anton, R. 2011JDSO....7...76A
Ant2011b JDSO 7, 76, 2011
Ant2012 C u Anton, R. 2012JDSO....8...15A
Ant2012 JDSO 8, 15, 2012
Ant2014 Cl u Anton, R. 2014JDSO...10..125A
Ant2014 JDSO 10, 125, 2014
Ant2014b Cl u Anton, R. 2014JDSO...10..232A
Ant2014b JDSO 10, 232, 2014
Ant2015 Cl u Anton, R. 2015JDSO...11...81A
Ant2015 JDSO 11, 81, 2015
Ant2017a Cl u Anton, R. 2017JDSO...13..288A
Ant2017a JDSO 13, 288, 2017
Ant2017b Cl u Anton, R. 2017JDSO...13..495A
Ant2017b +S JDSO 13, 495, 2017
Ant2019a Cl u Anton, R. .
Ant2019a +S private communication, 2019 (18 August email)
Ant2019b Cl u Anton, R. 2019JDSO...15..336A
Ant2019b +S JDSO 15, 336, 2019
Ant2020 Cl+ u Anton, R. & Ohlert, J.M. 2020JDSO...16..454A
Ant2020 +S JDSO 16, 454, 2020
Ant2021 Cl Anton, R. 2021JDSO...17...27A
Ant2021 JDSO 17, 27, 2021
Ant2021b S Anton, R. .
Ant2021b private communiction, 2021 (17 Aug 2021 email)
Ant2022 S u Ohlert, J.M. & Anton, R. 2022JDSO...18..111O
Ant2022 JDSO 18, 111, 2022
Ant2023 S u Anton, R. & Ohlert, J.M. 2023JDSO...19...95A
Ant2023 JDSO 19, 95, 2023
RMK Rumker, C. (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16001-3824 RMK 21 AB 2007 36 20 14.4 3.37 7.50 B2.5IV N D 160007.33-382348.1
16001-3824 RMK 21 AB 2010 38 19 14.9 3.37 7.50 B2.5IV N D 160007.33-382348.1
16001-3824 RMK 21 AB 2013 40 19 15.0 3.37 7.50 B2.5IV N D 160007.33-382348.1
16001-3824 RMK 21 AB 2016 41 19 15.0 3.37 7.50 B2.5IV N 160007.33-382348.1
16001-3824 RMK 21 AB 2020 43 19 14.8 3.37 7.50 B2.5IV N 160007.33-382348.1

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

 
 
WDS 16001-3824 RMK 21 AB (Eta Lup) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16001-3824 RMK 21 AB (Eta Lup) : MEASURES
 
 
No records found.

 
 
WDS 16001-3824 (Eta Lup) : VIRTUAL EYEPIECE
 
 

16001-3824 RMK 21A mag 3.37 Sp B2.5IV 16001-3824 RMK 21B sep 14.4 P.A. 15.30 mag 7.5 16001-3824 RMK 21C sep 94.1 P.A. 242.40 mag 9.39 16001-3824 ANT 2D sep 111.3 P.A. 298.80 mag 10.85 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 16001-3824 (Eta Lup) : ALADIN DSS IMAGE @ 16h 00m 07.33s -38° 23' 48.1"
 
 
 
 
WDS 16001-3824 RMK 21 AB (Eta Lup) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16001-3824 RMK 21AB distance=0' 15597-3834 B 2373 distance=12' 16013-3836 RST1872 distance=19' 16014-3837 TDS9732 distance=21' 15579-3833 KPP3013 distance=28' 16024-3803 COO 191 distance=34' 16034-3829 I 555AB distance=40' 16034-3829 I 555AC distance=40' 15587-3910 HJ 4822 distance=50' 15562-3756 HDS2242Da,Db distance=55' 15562-3756 GHE 38DH distance=55' 15558-3802 REP 28EI distance=56' 16020-3732 KOU 45AB distance=57' 16050-3824 I 1081A,BC distance=58' 16050-3824 I 1081BC distance=58' 15577-3915 WG 185 distance=59' 16046-3752 HDO 253AB distance=62' 16046-3752 CVN 95AC distance=62' 16046-3752 CVN 95AD distance=62' 16046-3752 CVN 95AE distance=62' 16046-3752 CVN 95AF distance=62' 16046-3752 CVN 95AG distance=62' 16046-3752 CVN 95AH distance=62' 16046-3752 CVN 95AI distance=62' 15546-3818 B 851 distance=66' 15558-3742 SWR 187 distance=66' 16062-3802 B 860 distance=75' 15536-3759 B 850 distance=81' 15549-3731 B 852AB distance=82' 15549-3731 B 852BC distance=82' 16047-3926 I 373 distance=83' 16070-3902 REP 29 distance=90' 16072-3904 GHE 41AB distance=92' 16072-3904 GHE 41AC distance=92' 16077-3802 COO 193 distance=93' 16072-3911 GHE 42 distance=95' 15536-3921 TOK 598AB distance=96' 16001-3647 SKF2048 distance=98' 16085-3828 CTI2772 distance=99' 16078-3745 B 861 distance=99' 15518-3807 B 849AB distance=100' 15518-3807 HJ 4812AB,C distance=100' 15561-3952 HDO 252 distance=100' 16082-3909 GHE 43 distance=105' 16059-3944 I 1286 distance=106' 16085-3906 REP 30 distance=107' 16086-3906 SEE 265AB distance=108' 16086-3906 DUN 199AC distance=108' 16090-3853 SHN 210 distance=108' 16086-3906 RST3930CD distance=108' 16058-3951 I 1285AB distance=109' 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 16001-3824 RMK 21 AB 19 14.8
Show 16001-3824 RMK 21 AC 248 114.9
Show 16001-3824 ANT 2 AD 293 135.5
Show 15597-3834 B 2373 6 6.0 12
Show 16013-3836 RST1872 69 0.7 19
Show 16014-3837 TDS9732 330 0.5 21
Show 15579-3833 KPP3013 276 7.6 28
Show 16024-3803 COO 191 139 5.0 34
Show 16034-3829 I 555 AB 114 1.2 40
Show 16034-3829 I 555 AC 143 18.8 40
Show 15587-3910 HJ 4822 271 9.8 50
Show 15562-3756 HDS2242 Da,Db 98 0.5 55
Show 15562-3756 GHE 38 DH 154 18.4 55
Show 15558-3802 REP 28 EI 19 2.0 56
Show 16020-3732 KOU 45 AB 185 5.8 57
Show 16050-3824 I 1081 A,BC 6 25.1 58
Show 16050-3824 I 1081 BC 329 0.8 58
Show 15577-3915 WG 185 39 5.9 59
Show 16046-3752 HDO 253 AB 130 42.1 62
Show 16046-3752 CVN 95 AC 2 4.0 62
Show 16046-3752 CVN 95 AD 294 6.1 62
Show 16046-3752 CVN 95 AE 54 6.8 62
Show 16046-3752 CVN 95 AF 59 5.5 62
Show 16046-3752 CVN 95 AG 1 5.9 62
Show 16046-3752 CVN 95 AH 201 7.6 62
Show 16046-3752 CVN 95 AI 255 7.4 62
Show 15546-3818 B 851 181 0.9 66
Show 15558-3742 SWR 187 354 7.9 66
Show 16062-3802 B 860 302 1.4 75
Show 15536-3759 B 850 127 1.1 81
Show 15549-3731 B 852 AB 258 1.0 82
Show 15549-3731 B 852 BC 250 0.2 82
Show 16047-3926 I 373 217 8.7 83
Show 16070-3902 REP 29 35 1.5 90
Show 16072-3904 GHE 41 AB 121 8.9 92
Show 16072-3904 GHE 41 AC 160 16.5 92
Show 16077-3802 COO 193 224 1.9 93
Show 16072-3911 GHE 42 186 18.5 95
Show 15536-3921 TOK 598 AB 283 999.9 96
Show 16001-3647 SKF2048 195 5.7 98
Show 16085-3828 CTI2772 329 5.1 99
Show 16078-3745 B 861 331 1.0 99
Show 15518-3807 B 849 AB 29 0.3 100
Show 15518-3807 HJ 4812 AB,C 52 12.5 100
Show 15561-3952 HDO 252 315 29.8 100
Show 16082-3909 GHE 43 359 16.6 105
Show 16059-3944 I 1286 139 4.5 106
Show 16085-3906 REP 30 303 0.8 107
Show 16086-3906 SEE 265 AB 297 16.3 108
Show 16086-3906 DUN 199 AC 184 44.4 108
Show 16090-3853 SHN 210 -1 0.1 108

 
 
WDS 16001-3824 : COMPONENTS
 
 
  A B C
B pa=15.3°
sep=14.45"
 
C pa=242.4°
sep=94.06"
pa=236.6°
sep=104.45"
 
D pa=298.8°
sep=111.30"
pa=291.4°
sep=108.86"
pa=351.7°
sep=98.24"
 
 
16001-3824 A
 
 
Name Eta Lup Coord arcsec 2000 160007.33-382348.1 Mag 3.37 Spectral class B2.5IV (blue-white)
PmRA -17.00 PmDE -26.0 SAO 207208 HIP 78384
Tycho2 7851-01814-1 HD 143118 HR 5948 GC 21478
CD CD-3810797 CP CP-38 6322 Bayer Eta Bayer name Eta
Tycho2
Tycho2 7851-01814-1 Pflag RAmdeg 240.03053121 DEmdeg -38.39670290
PmRA -16.5 PmDE -25.9 E RAmdeg 3 E DEmdeg 3
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.64 EpDEm 1991.26
Num 13 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 3.134 E BTmag 0.014 VTmag 3.367
E VTmag 0.009 Prox 149 TYC T HIP 78384
CCDM RAdeg 240.03057861 DEdeg -38.39664139 EpRA 1990 1.82
EpDE 1990 1.44 E RAdeg 3.2 E DEdeg 3.4 Posflg
Corr 0.3
SAO
SAO 207208 DelFlag RA1950 PmRA1950 -0.0019
DE1950 PmDE1950 -0.034 Vmag 3.6 SpType B3
Double code Source 70 CatNum 21478 DM CD-3810797
DMcomp A BDsup HD 143118 M HD 0
GC 21478 RA1950rad 4.1748293 DE1950rad -0.66768531 PmRA2000 -0.0019
PmDE2000 -0.032
Hipparcos
Catalog H HIP 78384 Proxy RAhms 16 00 07.34
DEdms -38 23 47.9 Vmag 3.42 VarFlag 1 R Vmag G
RAdeg 240.031 DEdeg -38.3966 AstroRef Plx 6.61
CCDM 16001-3824 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 143118 BD
CD CD-3810797 CP CP-38 6322 Dm number -3810797 VIred -0.23
SpType B2.5IV R SpType Coord arcsec 2000 160007.34-382347.9
Hipparcos 2
HIP 78384 Sn 5 So 0 Nc 1
RArad 4.1893240195 DErad -0.6701478078 Plx 7.38 PmRA -16.96
PmDE -27.83 E RArad 0.15 E DErad 0.12 E Plx 0.18
E pmRA 0.19 E pmDE 0.19 Hpmag 3.3398 E Hpmag 0.0011
SHp 0.007 VA 0 BV -0.206 E BV 0.015
VI -0.23
CCDM
Ccdm 16001-3824 RComp Comp A Note1
Note2 Discov num DRAs 1.35 DDEs 11.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 3.6 Sp B3 PmNote *
PmRA -13 PmDE -33 Dm number -3810797 Cat1 CD
Name2 207208 Cat2 SAO HD 143118 M HD
ADS BDS M ADS BDS N IDS IDS 15535S3807A
HIC 78384
 
 
16001-3824 B
 
 
Coord arcsec 2000 160007.66-382334.2 Mag 7.5 PmRA -26.00 PmDE -30.0
Tycho2 7851-01813-1 Calc delta mag 4.13 Calc coord yes
Tycho2
Tycho2 7851-01813-1 Pflag RAmdeg 240.03226964 DEmdeg -38.39281535
PmRA -26.3 PmDE -29.5 E RAmdeg 6 E DEmdeg 8
E pmRA 5.0 E pmDE 4.7 EpRAm 1991.79 EpDEm 1991.46
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 7.764 E BTmag 0.016 VTmag 7.500
E VTmag 0.012 Prox 149 TYC HIP
CCDM RAdeg 240.03234639 DEdeg -38.39274556 EpRA 1990 1.81
EpDE 1990 1.50 E RAdeg 6.4 E DEdeg 8.4 Posflg
Corr 0.2
CCDM
Ccdm 16001-3824 RComp Comp B Note1
Note2 Discov num RMK 21 DRAs 1.70 DDEs 26.5
R dRAs 10 Year 1834 Theta 020 Rho 15.0
Obs 18 Vmag 7.8 Sp PmNote *
PmRA -28 PmDE -26 Dm number Cat1
Name2 207209 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 15535S3807B
HIC
 
 
16001-3824 C
 
 
Coord arcsec 2000 160000.24-382431.7 Mag 9.39 PmRA -19.00 PmDE -25.0
SAO 207202 Tycho2 7838-01686-1 HD 143099 DM CD-3810794
Calc delta mag 6.02 Calc coord yes
Tycho2
Tycho2 7838-01686-1 Pflag RAmdeg 239.99276637 DEmdeg -38.40881324
PmRA -16.6 PmDE -27.0 E RAmdeg 14 E DEmdeg 16
E pmRA 1.6 E pmDE 1.7 EpRAm 1989.88 EpDEm 1989.77
Num 8 Q RAmdeg 1.4 Q DEmdeg 0.8 Q pmRA 1.4
Q pmDE 0.8 BTmag 9.950 E BTmag 0.028 VTmag 9.393
E VTmag 0.023 Prox 999 TYC T HIP
CCDM RAdeg 239.99281417 DEdeg -38.40875083 EpRA 1990 1.77
EpDE 1990 1.60 E RAdeg 14.2 E DEdeg 16.4 Posflg
Corr 0.2
SAO
SAO 207202 DelFlag RA1950 PmRA1950 -0.0032
DE1950 PmDE1950 -0.058 Vmag 9.3 SpType F5
Double code Source 41 CatNum 7912 DM CD-3810794
DMcomp BDsup HD 143099 M HD 0
GC RA1950rad 4.17417015 DE1950rad -0.66789606 PmRA2000 -0.0032
PmDE2000 -0.056
CCDM
Ccdm 16001-3824 RComp Comp C Note1
Note2 Discov num RMK 21 DRAs -7.85 DDEs -33.8
R dRAs 10 Year 1847 Theta 248 Rho 115.0
Obs 3 Vmag 9.3 Sp F5 PmNote *
PmRA -38 PmDE -58 Dm number -3810794 Cat1 CD
Name2 207202 Cat2 SAO HD 143099 M HD
ADS BDS M ADS BDS N IDS IDS 15535S3807C
HIC
 
 
16001-3824 D
 
 
Coord arcsec 2000 155959.03-382254.5 Mag 10.85 PmRA -23.00 PmDE -7.0
Calc delta mag 7.48 Calc coord yes