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Current system
20211-3530
UC 4156


Nearby doubles
17' : 20222-3541
I 430

41' : 20209-3450
B 478

55' : 20256-3538
B 990

57' : 20202-3435
I 1416

57' : 20255-3548
KPP2300

63' : 20223-3631
OL 25

63' : 20247-3445
HJ 5195AB

67' : 20217-3637
HDS2908

71' : 20257-3617
LDS 711

74' : 20268-3551
RST3259

81' : 20164-3627
HJ 5183AB

82' : 20173-3638
RSS 545

85' : 20218-3654
HJ 5189

86' : 20267-3622
DAW 228

90' : 20266-3630
HJ 5198

95' : 20138-3602
I 299

96' : 20201-3356
JSP 811

97' : 20198-3706
RST3254

107' : 20130-3609
TDT2095

108' : 20128-3454
HDS2881

109' : 20300-3542
BRT1808

113' : 20282-3644
BRT1807

119' : 20131-3637
TDT2097

123' : 20114-3601
TDT2065

123' : 20112-3547
UC 4115

124' : 20296-3638
RST3260



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

20211-3530 UC 4156

 
 
20h 21m 07.66s -35° 30' 26.1" P.A. 350.00 sep 25.7 mag 12.50,16.50
 
 
Coord 2000 20211-3530 Discov num UC 4156 Comp Coord arcsec 2000 20 21 07.66 -35 30 26.1
Date first 1999 Date last 2015 Obs 5
Pa first 351 Pa last 350.4 P.A. Now (θ) 350.4°
Sep first 25.2 Sep last 25.706 Sep. Now (ρ) 25.706"
Mag pri 12.50 Mag sec 16.50 delta mag (ΔM) 4 Spectral class
Pri motion ra -039 Sec motion ra -037
Pri motion dec -039 Sec motion dec -037
Notes V (Proper motion indicates physical)
rPM=0.051 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 6696152020772314112
 
 
WDS 20211-3530 UC 4156 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
UC USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) ...................
UC_2013a Eu j Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., 2013AJ....145...44Z
UC_2013a & Zacharias, M.I. (UCAC4 Catalog)
UC_2013a AJ 145, 44, 2013
UC_2013b Eu j Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D. 2013AJ....146...76H
UC_2013b AJ 146, 76, 2013 (UC 301 - 5058)
UC_2013b (Relative astrometry is derived from individual measurements, not precessed means.
UC_2013b UCAC aperture magnitudes are listed, unless the duplicity flag indicates a blended
UC_2013b image (a flag value of 30 or higher). Model fit magnitudes are given for both
UC_2013b components if either has such a flag. Model fit magnitudes are indicated by the
UC_2013b letter "f" following the filter information.
UC_2013b APASS photometry extracted from UCAC4 catalog is listed under reference AAV2012.
UC_2013b Due to aperture method used, APASS photometry is only included for pairs wider
UC_2013b than 10" (Henden, private comm.) Photometry for pairs wider than 10" which showed
UC_2013b identical values for both components in all filters were removed, as well.
UC_2015 Eu - Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., 2015AJ....150..101Z
UC_2015 DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C.,
UC_2015 Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G.
UC_2015 AJ 150, 101, 2015
UC_9999 Eu - temporary UCAC files ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20211-3530 UC 4156 1999 2 350 25.8 12.50 16.50 V 202107.66-353026.1
20211-3530 UC 4156 2000 2 351 25.2 12.50 16.50 V 202107.66-353026.1
20211-3530 UC 4156 2010 3 350 25.7 12.50 16.50 V 202107.66-353026.1
20211-3530 UC 4156 2015 4 350 25.7 12.50 16.50 V 202107.66-353026.1

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

 
 
WDS 20211-3530 UC 4156 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20211-3530 UC 4156 : MEASURES
 
 
No records found.

 
 
WDS 20211-3530 : VIRTUAL EYEPIECE
 
 

20211-3530 UC 4156A mag 12.5 20211-3530 UC 4156B sep 25.6 P.A. 352.20 mag 16.5 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 20211-3530 : ALADIN DSS IMAGE @ 20h 21m 07.66s -35° 30' 26.1"
 
 
 
 
WDS 20211-3530 UC 4156 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20211-3530 UC 4156 distance=0' 20222-3541 I 430 distance=17' 20209-3450 B 478 distance=41' 20256-3538 B 990 distance=55' 20202-3435 I 1416 distance=57' 20255-3548 KPP2300 distance=57' 20223-3631 OL 25 distance=63' 20247-3445 HJ 5195AB distance=63' 20247-3445 HJ 5195AC distance=63' 20247-3445 DAW 226BC distance=64' 20217-3637 HDS2908 distance=67' 20257-3617 LDS 711 distance=71' 20268-3551 RST3259 distance=74' 20164-3627 HJ 5183AB distance=81' 20164-3627 HJ 5183AC distance=81' 20173-3638 RSS 545 distance=82' 20218-3654 HJ 5189 distance=85' 20267-3622 DAW 228 distance=86' 20266-3630 HJ 5198 distance=90' 20138-3602 I 299 distance=95' 20201-3356 JSP 811 distance=96' 20198-3706 RST3254 distance=97' 20130-3609 TDT2095 distance=107' 20128-3454 HDS2881 distance=108' 20300-3542 BRT1808 distance=109' 20282-3644 BRT1807 distance=113' 20131-3637 TDT2097 distance=119' 20114-3601 TDT2065 distance=123' 20112-3547 UC 4115 distance=123' 20296-3638 RST3260 distance=124' 20137-3407 HJ 5178AB distance=124' 20137-3407 JC 24AC distance=124' 20112-3606 HJ 5173AB distance=126' 20112-3606 ARY 113AC distance=126' 20317-3531 HJ 5205 distance=129' 20112-3439 BRT1806 distance=132' 20318-3558 RSS 551 distance=133' 20269-3724 R 321 distance=134' 20168-3733 B 473 distance=134' 20200-3745 TVB 313 distance=136' 20231-3315 B 2484 distance=138' 20098-3602 HDS2872 distance=142' 20094-3510 HJ 5170 distance=145' 20213-3304 RST2139 distance=147' 20231-3303 B 2483 distance=150' 20089-3520 KPP4186 distance=150' 20291-3732 B 486 distance=156' 20182-3258 SEE 413AB distance=157' 20182-3258 SEE 413BC distance=157' 20114-3715 B 470 distance=157' 20291-3327 RST2142 distance=158' 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 20211-3530 UC 4156 350 25.7
Show 20222-3541 I 430 345 20.7 17
Show 20209-3450 B 478 28 6.0 41
Show 20256-3538 B 990 194 2.2 55
Show 20202-3435 I 1416 323 0.1 57
Show 20255-3548 KPP2300 107 19.4 57
Show 20223-3631 OL 25 257 1.7 63
Show 20247-3445 HJ 5195 AB 115 16.3 63
Show 20247-3445 HJ 5195 AC 127 36.1 63
Show 20247-3445 DAW 226 BC 137 20.5 64
Show 20217-3637 HDS2908 133 0.0 67
Show 20257-3617 LDS 711 143 9.6 71
Show 20268-3551 RST3259 112 1.8 74
Show 20164-3627 HJ 5183 AB 229 36.8 81
Show 20164-3627 HJ 5183 AC 179 46.3 81
Show 20173-3638 RSS 545 132 22.1 82
Show 20218-3654 HJ 5189 294 7.5 85
Show 20267-3622 DAW 228 48 11.7 86
Show 20266-3630 HJ 5198 237 9.1 90
Show 20138-3602 I 299 26 0.6 95
Show 20201-3356 JSP 811 147 1.5 96
Show 20198-3706 RST3254 40 1.6 97
Show 20130-3609 TDT2095 265 0.4 107
Show 20128-3454 HDS2881 12 15.5 108
Show 20300-3542 BRT1808 146 10.9 109
Show 20282-3644 BRT1807 261 3.5 113
Show 20131-3637 TDT2097 236 1.2 119
Show 20114-3601 TDT2065 150 1.7 123
Show 20112-3547 UC 4115 276 47.3 123
Show 20296-3638 RST3260 302 2.2 124
Show 20137-3407 HJ 5178 AB 9 2.8 124
Show 20137-3407 JC 24 AC 16 79.5 124
Show 20112-3606 HJ 5173 AB 130 4.3 126
Show 20112-3606 ARY 113 AC 6 66.8 126
Show 20317-3531 HJ 5205 36 33.3 129
Show 20112-3439 BRT1806 301 4.8 132
Show 20318-3558 RSS 551 175 15.4 133
Show 20269-3724 R 321 123 1.6 134
Show 20168-3733 B 473 183 2.4 134
Show 20200-3745 TVB 313 267 2.5 136
Show 20231-3315 B 2484 239 11.2 138
Show 20098-3602 HDS2872 205 0.5 142
Show 20094-3510 HJ 5170 314 12.8 145
Show 20213-3304 RST2139 320 0.2 147
Show 20231-3303 B 2483 146 12.3 150
Show 20089-3520 KPP4186 150 1.3 150
Show 20291-3732 B 486 184 0.3 156
Show 20182-3258 SEE 413 AB 33 17.5 157
Show 20182-3258 SEE 413 BC 145 5.1 157
Show 20114-3715 B 470 253 3.2 157
Show 20291-3327 RST2142 327 1.9 158

 
 
WDS 20211-3530 : COMPONENTS
 
 
  A
B pa=352.2°
sep=25.59"
 
 
20211-3530 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202107.66-353026.1 Mag 12.5 PmRA -39.00
PmDE -39.0
 
 
20211-3530 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202107.37-353000.8 Mag 16.5 PmRA -37.00
PmDE -37.0 Calc delta mag 4 Calc coord yes