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Doubles in session


Current system
20071-6514
RST 1057
HD 189994


Nearby doubles
21' : 20072-6453
KPP 457

29' : 20040-6541
I 1411

34' : 20026-6541
I 1409

36' : 20079-6549
TDT2009

38' : 20073-6551
B 985

47' : 20010-6448
SOZ 20

47' : 20115-6437
TDS1049

49' : 20094-6600
KPP 819

55' : 20071-6606
DON 976

60' : 20074-6415
RST5467

62' : 20121-6608
UC 4120

68' : 19565-6522
RSS 536

68' : 20146-6426
HJ 5171AB

77' : 20020-6405
HDS2853

86' : 20084-6639
DON 977

86' : 20082-6639
UC 4096

87' : 20151-6625
KPP 464

96' : 20223-6511
KPP3070

97' : 19531-6606
LDS 688

102' : 20118-6337
RST5153AB

105' : 19545-6408
FIN 275

106' : 20112-6657
TDT2060

109' : 19512-6435
MLO 88

109' : 19499-6504
BRT2016

109' : 20218-6420
LDS 708AB

111' : 19498-6454
HJ 5140



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20071-6514 RST 1057 (HD 189994)

 
 
20h 07m 04.80s -65° 13' 59.4" P.A. 50.00 sep 1.7 mag 9.36,12.20 Sp G0V
 
 
Coord 2000 20071-6514 Discov num RST1057 Comp Coord arcsec 2000 20 07 04.80 -65 13 59.4
Date first 1930 Date last 2016 Obs 3
Pa first 42 Pa last 50 P.A. Now (θ) 50°
Sep first 1.4 Sep last 1.708 Sep. Now (ρ) 1.708"
Mag pri 9.36 Mag sec 12.20 delta mag (ΔM) 2.84 Spectral class G0V (yellow)
Pri motion ra +046 Sec motion ra
Pri motion dec -045 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189994 Constellation Pavo SAO 254726 Tycho2 9094-00031-1
Gaia DR2 6427754493626185344 HD 189994
 
 
WDS 20071-6514 RST 1057 (HD 189994) : 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
20071-6514 RST1057 1930 1 42 1.4 9.36 12.20 G0V 200704.80-651359.4
20071-6514 RST1057 2015 2 50 1.7 9.36 12.20 G0V 200704.80-651359.4
20071-6514 RST1057 2016 3 50 1.7 9.36 12.20 G0V 200704.80-651359.4

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

 
 
WDS 20071-6514 RST 1057 (HD 189994) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20071-6514 RST 1057 (HD 189994) : MEASURES
 
 
No records found.

 
 
WDS 20071-6514 (HD 189994) : VIRTUAL EYEPIECE
 
 

20071-6514 RST1057A mag 9.36 Sp G0V 20071-6514 RST1057B sep 1.2 P.A. 26.50 mag 12.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20071-6514 (HD 189994) : ALADIN DSS IMAGE @ 20h 07m 04.80s -65° 13' 59.4"
 
 
 
 
WDS 20071-6514 RST 1057 (HD 189994) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20071-6514 RST1057 distance=1' 20072-6453 KPP 457 distance=21' 20040-6541 I 1411 distance=29' 20026-6541 I 1409 distance=34' 20079-6549 TDT2009 distance=36' 20073-6551 B 985 distance=38' 20010-6448 SOZ 20 distance=47' 20115-6437 TDS1049 distance=47' 20094-6600 KPP 819 distance=49' 20071-6606 DON 976 distance=55' 20074-6415 RST5467 distance=60' 20121-6608 UC 4120 distance=62' 19565-6522 RSS 536 distance=68' 20146-6426 HJ 5171BC distance=68' 20146-6426 HJ 5171AB distance=68' 20146-6426 HJ 5171AC distance=68' 20146-6426 BAU 60AD distance=68' 20020-6405 HDS2853 distance=77' 20084-6639 DON 977 distance=86' 20082-6639 UC 4096 distance=86' 20151-6625 KPP 464 distance=87' 20223-6511 KPP3070 distance=96' 19531-6606 LDS 688 distance=97' 20118-6337 RST5153AB distance=102' 20118-6337 HJ 5167AB,C distance=102' 19545-6408 FIN 275 distance=105' 20112-6657 TDT2060 distance=106' 19512-6435 MLO 88 distance=109' 19499-6504 BRT2016 distance=109' 20218-6420 LDS 708AB distance=109' 20218-6420 BAU 62AC distance=109' 19498-6454 HJ 5140 distance=111' 19512-6609 B 980 distance=113' 20247-6541 UC 4170 distance=113' 19509-6421 RST5465 distance=117' 20227-6411 B 988 distance=119' 19483-6502 TDS1013 distance=120' 19584-6329 TDS1028 distance=120' 20196-6652 WIS 337 distance=125' 20262-6551 B 989 distance=125' 20240-6623 KPP1588 distance=125' 20051-6304 HJ 5163 distance=131' 20222-6649 TDS1064 distance=133' 19562-6714 LDS 691 distance=137' 20138-6728 DON 981 distance=140' 20101-6738 UC 4109 distance=145' 20105-6738 TDT2049 distance=146' 19548-6721 LDS 689 distance=146' 19549-6726 LDS 690 distance=150' 19478-6645 LDS 686 distance=151' 20085-6752 UC 4097 distance=159' 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 20071-6514 RST1057 50 1.7 1
Show 20072-6453 KPP 457 344 4.6 21
Show 20040-6541 I 1411 280 17.7 29
Show 20026-6541 I 1409 131 12.8 34
Show 20079-6549 TDT2009 303 0.5 36
Show 20073-6551 B 985 206 4.7 38
Show 20010-6448 SOZ 20 271 22.5 47
Show 20115-6437 TDS1049 27 1.2 47
Show 20094-6600 KPP 819 173 7.0 49
Show 20071-6606 DON 976 304 1.1 55
Show 20074-6415 RST5467 285 0.8 60
Show 20121-6608 UC 4120 323 15.4 62
Show 19565-6522 RSS 536 13 19.7 68
Show 20146-6426 HJ 5171 BC 21.5 68
Show 20146-6426 HJ 5171 AB 305 17.3 68
Show 20146-6426 HJ 5171 AC 335 34.6 68
Show 20146-6426 BAU 60 AD 215 52.1 68
Show 20020-6405 HDS2853 104 0.4 77
Show 20084-6639 DON 977 88 5.2 86
Show 20082-6639 UC 4096 97 43.5 86
Show 20151-6625 KPP 464 112 3.6 87
Show 20223-6511 KPP3070 138 3.8 96
Show 19531-6606 LDS 688 225 420.0 97
Show 20118-6337 RST5153 AB 331 0.3 102
Show 20118-6337 HJ 5167 AB,C 33 7.3 102
Show 19545-6408 FIN 275 28 1.0 105
Show 20112-6657 TDT2060 105 0.5 106
Show 19512-6435 MLO 88 229 5.2 109
Show 19499-6504 BRT2016 104 3.7 109
Show 20218-6420 LDS 708 AB 210 22.1 109
Show 20218-6420 BAU 62 AC 281 46.3 109
Show 19498-6454 HJ 5140 254 1.5 111
Show 19512-6609 B 980 34 0.7 113
Show 20247-6541 UC 4170 221 26.6 113
Show 19509-6421 RST5465 314 1.2 117
Show 20227-6411 B 988 68 1.8 119
Show 19483-6502 TDS1013 264 1.3 120
Show 19584-6329 TDS1028 346 1.0 120
Show 20196-6652 WIS 337 176 577.1 125
Show 20262-6551 B 989 70 1.2 125
Show 20240-6623 KPP1588 67 12.1 125
Show 20051-6304 HJ 5163 249 1.3 131
Show 20222-6649 TDS1064 285 0.9 133
Show 19562-6714 LDS 691 131 29.7 137
Show 20138-6728 DON 981 169 3.1 140
Show 20101-6738 UC 4109 168 48.9 145
Show 20105-6738 TDT2049 214 0.6 146
Show 19548-6721 LDS 689 279 8.5 146
Show 19549-6726 LDS 690 183 11.9 150
Show 19478-6645 LDS 686 238 39.7 151
Show 20085-6752 UC 4097 341 20.6 159

 
 
WDS 20071-6514 : COMPONENTS
 
 
  A
B pa=26.5°
sep=1.23"
 
 
20071-6514 A
 
 
Componente originario normalizzato AB Name HD 189994 Coord arcsec 2000 200704.80-651359.4 Mag 9.36
Spectral class G0V (yellow) PmRA 46.00 PmDE -45.0 SAO 254726
Tycho2 9094-00031-1 HD 189994 DM CP-65 3841
Tycho2
Tycho2 9094-00031-1 Pflag RAmdeg 301.76997681 DEmdeg -65.23317963
PmRA 43.3 PmDE -55.5 E RAmdeg 11 E DEmdeg 11
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.02 EpDEm 1989.51
Num 9 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.2
Q pmDE 1.5 BTmag 10.009 E BTmag 0.023 VTmag 9.357
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 301.76973639 DEdeg -65.23305194 EpRA 1990 1.71
EpDE 1990 1.59 E RAdeg 10.6 E DEdeg 11.6 Posflg
Corr 0.1
SAO
SAO 254726 DelFlag RA1950 PmRA1950 0.0022
DE1950 PmDE1950 -0.07 Vmag 9 SpType G0
Double code Source 61 CatNum 4307 DM CP-65 3841
DMcomp BDsup HD 189994 M HD 0
GC RA1950rad 5.24660939 DE1950rad -1.14104135 PmRA2000 0.0009
PmDE2000 -0.071
CCDM
Ccdm 20071-6514 RComp Comp A Note1
Note2 Discov num DRAs -1.78 DDEs -1.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp G0 PmNote *
PmRA 14 PmDE -70 Dm number -65 3841 Cat1 CPD
Name2 254726 Cat2 SAO HD 189994 M HD
ADS BDS M ADS BDS N IDS IDS 19578S6531A
HIC
 
 
20071-6514 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200704.89-651358.3 Mag 12.2 Calc delta mag 2.84
Calc coord yes
CCDM
Ccdm 20071-6514 RComp Comp B Note1
Note2 Discov num RST1057 DRAs DDEs
R dRAs Year 1930 Theta 042 Rho 1.4
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19578S6531B
HIC