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Doubles in session


Current system
13591-0637
RST 4521
HD 121998


Nearby doubles
17' : 13584-0624
OCC 643

29' : 14009-0645
OCC 35

35' : 13593-0603
GWP2161

36' : 13572-0659
SLN 28

44' : 13581-0718
GWP2156

45' : 13562-0630
UC 2640

56' : 13572-0548
GWP2151

56' : 14011-0550
GWP2178

57' : 14007-0546
GWP2172AB

58' : 13574-0545
GWP2152

59' : 13570-0727
OCC 13

67' : 13547-0622
GWP2133

76' : 13540-0640
GWP2124

80' : 14010-0752
RST3857

84' : 14040-0556
UC 2672

85' : 13537-0706
GWP2122

86' : 14048-0633
STF1799

89' : 13540-0551
WIS 238

92' : 14007-0805
GWP2171

93' : 14044-0723
GWP2205

93' : 14030-0749
GWP2192

94' : 13546-0741
GWP2130AB

94' : 13586-0810
CBL 436

104' : 13527-0715
GWP2115

104' : 13539-0746
CBL 148

105' : 14061-0629
GWP2217



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.

13591-0637 RST 4521 (HD 121998)

 
 
13h 59m 04.73s -06° 36' 42.1" P.A. 248.00 sep 4.3 mag 9.10,12.00 Sp K0
 
 
Coord 2000 13591-0637 Discov num RST4521 Comp Coord arcsec 2000 13 59 04.73 -06 36 42.1
Date first 1938 Date last 2016 Obs 6
Pa first 248 Pa last 248.3 P.A. Now (θ) 248.3°
Sep first 4.3 Sep last 4.259 Sep. Now (ρ) 4.259"
Mag pri 9.10 Mag sec 12.00 delta mag (ΔM) 2.9 Spectral class K0 (yellow-orange)
Pri motion ra -007 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 121998 Constellation Virgo SAO 139661 Tycho2 4974-00488-1
Gaia DR2 3619682820844976512 HD 121998
 
 
WDS 13591-0637 RST 4521 (HD 121998) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13591-0637 RST4521 2003 3 248 4.3 9.10 12.00 K0 135904.73-063642.1
13591-0637 RST4521 2012 4 249 4.1 9.10 12.00 K0 135904.73-063642.1
13591-0637 RST4521 2015 5 248 4.3 9.10 12.00 K0 135904.73-063642.1
13591-0637 RST4521 2016 6 248 4.3 9.10 12.00 K0 135904.73-063642.1

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

 
 
WDS 13591-0637 RST 4521 (HD 121998) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13591-0637 RST 4521 (HD 121998) : MEASURES
 
 
No records found.

 
 
WDS 13591-0637 (HD 121998) : VIRTUAL EYEPIECE
 
 

13591-0637 RST4521A mag 9.1 Sp K0 13591-0637 RST4521B sep 4.2 P.A. 248.20 mag 12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 13591-0637 (HD 121998) : ALADIN DSS IMAGE @ 13h 59m 04.73s -06° 36' 42.1"
 
 
 
 
WDS 13591-0637 RST 4521 (HD 121998) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13591-0637 RST4521 distance=0' 13584-0624 OCC 643 distance=17' 14009-0645 OCC 35 distance=29' 13593-0603 GWP2161 distance=35' 13572-0659 SLN 28 distance=36' 13581-0718 GWP2156 distance=44' 13562-0630 UC 2640 distance=45' 13572-0548 GWP2151 distance=56' 14011-0550 GWP2178 distance=56' 14007-0546 GWP2172AB distance=57' 14007-0546 GWP2173AC distance=57' 13574-0545 GWP2152 distance=58' 13570-0727 OCC 13 distance=59' 13547-0622 GWP2133 distance=67' 13540-0640 GWP2124 distance=76' 14010-0752 RST3857 distance=80' 14040-0556 UC 2672 distance=84' 13537-0706 GWP2122 distance=85' 14048-0633 STF1799 distance=86' 13540-0551 WIS 238 distance=89' 14007-0805 GWP2171 distance=92' 14044-0723 GWP2205 distance=93' 14030-0749 GWP2192 distance=93' 13546-0741 GWP2130AB distance=94' 13546-0741 GWP2131AC distance=94' 13586-0810 CBL 436 distance=94' 13527-0715 GWP2115 distance=104' 13539-0746 CBL 148 distance=104' 14061-0629 GWP2217 distance=105' 13550-0804 STF1788AB distance=107' 13550-0804 STF1788AC distance=107' 13550-0804 STF1788AD distance=107' 13550-0804 TOK 570AE distance=107' 13541-0756 GWP2127 distance=109' 13530-0744 GWP2119 distance=113' 13559-0820 GWP2144 distance=114' 13517-0710 OCC1024 distance=115' 14022-0448 LDS4427 distance=119' 13514-0603 HJ 1243 distance=120' 13533-0806 GWP2120 distance=125' 13536-0812 CVR 712 distance=125' 14054-0800 GWP2212 distance=126' 13561-0437 STF1790 distance=128' 13506-0608 BRT 450 distance=130' 14032-0442 GWP2196 distance=131' 13506-0710 OCC1023 distance=131' 14052-0459 GWP2211 distance=134' 13551-0837 GWP2140AB distance=135' 13495-0619 MRA 21AB distance=144' 14056-0450 GWP2215 distance=145' 13500-0541 CVR1548 distance=147' 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 13591-0637 RST4521 248 4.3
Show 13584-0624 OCC 643 -1 0.1 17
Show 14009-0645 OCC 35 -1 0.1 29
Show 13593-0603 GWP2161 336 39.5 35
Show 13572-0659 SLN 28 50 26.1 36
Show 13581-0718 GWP2156 104 225.0 44
Show 13562-0630 UC 2640 215 58.7 45
Show 13572-0548 GWP2151 307 377.2 56
Show 14011-0550 GWP2178 76 305.6 56
Show 14007-0546 GWP2172 AB 240 4.0 57
Show 14007-0546 GWP2173 AC 60 116.5 57
Show 13574-0545 GWP2152 94 17.2 58
Show 13570-0727 OCC 13 -1 0.1 59
Show 13547-0622 GWP2133 59 248.4 67
Show 13540-0640 GWP2124 85 392.5 76
Show 14010-0752 RST3857 226 1.5 80
Show 14040-0556 UC 2672 25 11.4 84
Show 13537-0706 GWP2122 4 598.7 85
Show 14048-0633 STF1799 297 4.2 86
Show 13540-0551 WIS 238 152 999.9 89
Show 14007-0805 GWP2171 31 56.4 92
Show 14044-0723 GWP2205 225 15.1 93
Show 14030-0749 GWP2192 90 14.5 93
Show 13546-0741 GWP2130 AB 232 3.6 94
Show 13546-0741 GWP2131 AC 21 73.8 94
Show 13586-0810 CBL 436 144 13.5 94
Show 13527-0715 GWP2115 289 12.4 104
Show 13539-0746 CBL 148 216 18.7 104
Show 14061-0629 GWP2217 257 112.0 105
Show 13550-0804 STF1788 AB 100 3.7 107
Show 13550-0804 STF1788 AC 298 112.3 107
Show 13550-0804 STF1788 AD 211 143.5 107
Show 13550-0804 TOK 570 AE 228 647.0 107
Show 13541-0756 GWP2127 277 305.8 109
Show 13530-0744 GWP2119 281 362.2 113
Show 13559-0820 GWP2144 8 350.3 114
Show 13517-0710 OCC1024 -1 0.0 115
Show 14022-0448 LDS4427 335 17.4 119
Show 13514-0603 HJ 1243 151 8.5 120
Show 13533-0806 GWP2120 236 21.6 125
Show 13536-0812 CVR 712 32 8.1 125
Show 14054-0800 GWP2212 316 69.5 126
Show 13561-0437 STF1790 62 5.8 128
Show 13506-0608 BRT 450 245 2.6 130
Show 14032-0442 GWP2196 24 189.2 131
Show 13506-0710 OCC1023 -1 0.0 131
Show 14052-0459 GWP2211 152 3.1 134
Show 13551-0837 GWP2140 AB 165 315.6 135
Show 13495-0619 MRA 21 AB 245 1.0 144
Show 14056-0450 GWP2215 343 84.3 145
Show 13500-0541 CVR1548 196 3.5 147

 
 
WDS 13591-0637 : COMPONENTS
 
 
  A
B pa=248.2°
sep=4.23"
 
 
13591-0637 A
 
 
Componente originario normalizzato AB Name HD 121998 Coord arcsec 2000 135904.73-063642.1 Mag 9.1
Spectral class K0 (yellow-orange) PmRA -7.00 PmDE -1.0 SAO 139661
Tycho2 4974-00488-1 HD 121998 DM BD-05 3791
Tycho2
Tycho2 4974-00488-1 Pflag RAmdeg 209.76973081 DEmdeg -6.61169733
PmRA 8.0 PmDE 2.8 E RAmdeg 17 E DEmdeg 21
E pmRA 1.3 E pmDE 1.4 EpRAm 1985.94 EpDEm 1983.41
Num 10 Q RAmdeg 2.9 Q DEmdeg 0.5 Q pmRA 2.8
Q pmDE 0.5 BTmag 10.813 E BTmag 0.054 VTmag 9.552
E VTmag 0.029 Prox 999 TYC T HIP
CCDM RAdeg 209.76972333 DEdeg -6.61170167 EpRA 1990 1.61
EpDE 1990 1.49 E RAdeg 20.4 E DEdeg 25.7 Posflg
Corr -0.1
SAO
SAO 139661 DelFlag RA1950 PmRA1950 -0.0018
DE1950 PmDE1950 0.007 Vmag 8.9 SpType K0
Double code Source 27 CatNum 4991 DM BD-05 3791
DMcomp BDsup HD 121998 M HD 0
GC RA1950rad 3.64971396 DE1950rad -0.11116393 PmRA2000 -0.0016
PmDE2000 0.012
CCDM
Ccdm 13591-0637 RComp Comp A Note1
Note2 Discov num DRAs -1.46 DDEs 18.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp K0 PmNote *
PmRA -27 PmDE 7 Dm number -05 3791 Cat1 BD
Name2 139661 Cat2 SAO HD 121998 M HD
ADS BDS M ADS BDS N IDS IDS 13538S0608A
HIC
 
 
13591-0637 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 135904.47-063643.7 Mag 12 Calc delta mag 2.9
Calc coord yes
CCDM
Ccdm 13591-0637 RComp Comp B Note1
Note2 Discov num RST4521 DRAs DDEs
R dRAs Year 1938 Theta 248 Rho 4.2
Obs 2 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 13538S0608B
HIC