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Doubles in session


Current system
20401-2852
SEE 423 BC


Nearby doubles
34' : 20427-2855
RST2153

34' : 20393-2820
RST2149

39' : 20430-2846
SEE 425

43' : 20431-2838
RST2154

49' : 20400-2940
RST2151

51' : 20375-2817
BRT3093

53' : 20433-2925
SKF2089

62' : 20365-2813
RST2147

64' : 20447-2917
UC 4277

77' : 20458-2834
RST2157

79' : 20461-2843
RST2158

84' : 20412-3015
RST2152

85' : 20464-2834
RST2159

86' : 20441-3000
SKF1248

86' : 20434-3005
LDS5909

87' : 20431-3010
UC 4267

97' : 20396-2717
RST2150

101' : 20325-2843
SKF2087AB

102' : 20373-2717
HJ 2982

103' : 20424-3031
H N 101AB

109' : 20396-2704
HJ 5210

119' : 20454-3029
HJ 5218

119' : 20319-2806
TDT2341

122' : 20310-2907
CHR 185

123' : 20487-2804
FIN 8

123' : 20479-2745
STN 53



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.

20401-2852 SEE 423 BC

 
 
20h 40m 08.91s -28° 52' 20.2" P.A. 281.00 sep 0.2 mag 9.68,10.00 Sp F5V
 
 
Coord 2000 20401-2852 Discov num SEE 423 Comp BC Coord arcsec 2000 20 40 08.91 -28 52 20.2
Date first 2008 Date last 2017 Obs 8
Pa first 285 Pa last 280.6 P.A. Now (θ) 280.6°
Sep first 0.2 Sep last 0.204 Sep. Now (ρ) 0.204"
Mag pri 9.68 Mag sec 10.00 delta mag (ΔM) 0.32 Spectral class F5V (yellow-white)
Pri motion ra +012 Sec motion ra
Pri motion dec -027 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20401-2852 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 196718 189544 20 40 09 -28 52 20 SEE 423 AB 2017 20 39 1.2 9.04 9.68 0.64
Show 20 40 09 -28 52 20 SEE 423 BC 2017 8 281 0.2 9.68 10.00 0.32 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 6933-01534-2 Gaia DR2 6798352279407131264
 
 
WDS 20401-2852 SEE 423 BC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
See1892 Ma - See, T.J.J. .
See1892 Beob. K. Sternw. Berlin, 6, 1, 1892
See1893 orb - See, T.J.J. 1893MNRAS..54..102S
See1893 MNRAS 54, 102, 1893
See1894 orb - See, T.J.J. 1894AN....138..373S
See1894 AN 138, 373, #3311, 1894
See1895a orb - See, T.J.J. 1895AJ.....15...33S
See1895a AJ 15, 33, 1895
See1895b orb - See, T.J.J. 1895AJ.....15...54S
See1895b AJ 15, 54, 1895
See1895c Ma - See, T.J.J. 1895AJ.....15...97S
See1895c AJ 15, 97, 1895
See1895d Ma - See, T.J.J. 1895AJ.....15..188S
See1895d AJ 15, 188, 1895
See1895f orb - See, T.J.J. 1895AN....138...25S
See1895f AN 138, 25, 1895
See1895g orb - See, T.J.J. 1895AJ.....16...18S
See1895g AJ 16, 18, 1895
See1896a Ma - See, T.J.J. 1896AN....142...43S
See1896a AN 142, 43, 1896
See1896b Ma j See, T.J.J. 1896AJ.....16..211S
See1896b AJ 16, 211, 1896
See1896c orb - See, T.J.J. 1896QB421.S5.......
See1896c Evolution of Stellar Systems, v1, 1896
See1896d Ma j See, T.J.J. 1896AJ.....17....1S
See1896d AJ 17, 1, 1896
See1897a Ma j See, T.J.J. 1897AJ.....17..180S
See1897a AJ 17, 180, 1897
See1897b Ma j See, T.J.J. 1897MNRAS..57..577S
See1897b +orb MNRAS 57, 577, 1897
See1897d - See, T.J.J. 1897AJ.....17...93S
See1897d AJ 17, 93, 1897
See1897e Ma j See, T.J.J. 1897AJ.....18...75S
See1897e AJ 18, 75, 1897
See1897f - See, T.J.J. 1897MNRAS..57..398S
See1897f MNRAS 57, 398, 1897 (data also in AN 146, 225, 1898) 1898AN....146..225S
See1897g - See, T.J.J. 1897MNRAS..58...15S
See1897g MNRAS 58, 15, 1897
See1897h - See, T.J.J. 1897AN....142...43S
See1897h AN 142, 43, #3387, 1897
See1897i Ma j See, T.J.J. 1897AN....143...59S
See1897i AN 143, 59, #3412, 1897
See1897j Ma j See, T.J.J. 1897AN....143..413S
See1897j AN 143, 413, #3432, 1897 (see also See1898b, See1898c) 1898AJ.....18..181S
See1897k orb - See, T.J.J. 1897AN....144..359S
See1897k AN 144, 359, #3455, 1897
See1897l Ma j See, T.J.J. 1897MNRAS..57..541S
See1897l MNRAS 57, 541, 1897 (some data also in See1898b, See1898c) 1898AJ.....18..181S
See1898a Ma - See, T.J.J. 1898AN....145..205S
See1898a AN 145, 205, 1898
See1898b Ma j See, T.J.J. 1898AJ.....18..181S
See1898b AJ 18, 181, 1898
See1898c Ma j See, T.J.J. 1898AN....146..225S
See1898c AN 146, 225, 1898
See1898d Ma - See, T.J.J. (measure by Boothroyd, S.L.) 1898AN....146..225S
See1898d AN 146, 225, 1898
See1898e Ma j See, T.J.J. 1898MNRAS..58..386S
See1898e MNRAS 58, 385, 1898
See1898f orb - See, T.J.J. 1898MNRAS..58..450S
See1898f MNRAS 58, 450, 1898
See1898g orb - See, T.J.J. 1898AJ.....19...57S
See1898g AJ 19, 57, 1898
See1900a - See, T.J.J. 1900AN....152...73S
See1900a AN 152, 73, #3629, 1900
See1900b orb - See, T.J.J. 1900AN....152...75S
See1900b AN 152, 75, #3629, 1900
See1900c Ma j See, T.J.J. 1900AN....152..179S
See1900c AN 152, 179, #3636, 1900
See1900d Ma j See, T.J.J. 1900AN....153...99S
See1900d AN 153, 99, #3654, 1900
See1900e Ma j See, T.J.J. 1900AN....152..329S
See1900e AN 152, 329, #3645, 1900
See1906A Ma - See, T.J.J. 1906MmRAS..56....1L
See1906A cited by Lewis (MemRAS 56, 1, 1906)
See1906B Ma - See, T.J.J. 1906QB821.B972.....
See1906B cited in BDS (Burnham Double Star Cat., 1906)
See1908a orb - See, T.J.J. 1908MNRAS..68..192S
See1908a MNRAS 68, 192, 1908
See1908b orb - See, T.J.J. 1908MNRAS..68..195S
See1908b MNRAS 68, 195, 1908
See1908c - See, T.J.J. 1908MNRAS..68..198S
See1908c MNRAS 68, 198, 1908
See1908d orb - See, T.J.J. 1908MNRAS..68..568S
See1908d MNRAS 68, 568, 1908
See1911 Ma j See, T.J.J. .
See1911 Pub. USNO 6, A117, 1911
See1927A Ma - See, T.J.J. 1927sdsc.book......
See1927A cited in SDS (Southern Double Star Cat.), 1927
See1932A Ma - See, T.J.J. 1932QB821.A43......
See1932A cited in ADS (Aitken Double Star Cat.), 1932
See9999 Ma - See, T.J.J. ...................
See9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20401-2852 SEE 423 BC 2008 4 285 0.2 10.30 10.60 204008.91-285220.2
20401-2852 SEE 423 BC 2013 6 283 0.2 9.68 10.00 204008.91-285220.2
20401-2852 SEE 423 BC 2014 7 281 0.2 9.68 10.00 F5V 204008.91-285220.2
20401-2852 SEE 423 BC 2017 8 281 0.2 9.68 10.00 F5V 204008.91-285220.2

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

 
 
WDS 20401-2852 SEE 423 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20401-2852 SEE 423 BC : MEASURES
 
 
No records found.

 
 
WDS 20401-2852 : VIRTUAL EYEPIECE
 
 

20401-2852 SEE 423A mag 9.04 Sp F5V 20401-2852 SEE 423B mag 9.68 Sp F5V 20401-2852 SEE 423C sep 0.2 P.A. 282.10 mag 10 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 20401-2852 : ALADIN DSS IMAGE @ 20h 40m 08.91s -28° 52' 20.2"
 
 
 
 
WDS 20401-2852 SEE 423 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20401-2852 SEE 423BC distance=0' 20427-2855 RST2153 distance=34' 20393-2820 RST2149 distance=34' 20430-2846 SEE 425 distance=39' 20431-2838 RST2154 distance=43' 20400-2940 RST2151 distance=49' 20375-2817 BRT3093 distance=51' 20433-2925 SKF2089 distance=53' 20365-2813 RST2147 distance=62' 20447-2917 UC 4277 distance=64' 20458-2834 RST2157 distance=77' 20461-2843 RST2158 distance=79' 20412-3015 RST2152 distance=84' 20464-2834 RST2159 distance=85' 20441-3000 SKF1248 distance=86' 20434-3005 LDS5909 distance=86' 20431-3010 UC 4267 distance=87' 20396-2717 RST2150 distance=97' 20325-2843 SKF2087AB distance=101' 20325-2843 DAM1043AC distance=101' 20373-2717 HJ 2982 distance=102' 20424-3031 H N 101AB distance=103' 20396-2704 HJ 5210 distance=109' 20454-3029 HJ 5218 distance=119' 20319-2806 TDT2341 distance=119' 20310-2907 CHR 185 distance=122' 20487-2804 FIN 8 distance=123' 20479-2745 STN 53 distance=123' 20498-2829 LDS 725 distance=130' 20339-2710 CBL 178 distance=132' 20406-2639 CHR 186 distance=134' 20456-2653 B 2891 distance=139' 20452-3057 FAL 70AB distance=142' 20452-3057 TOK 340AC distance=142' 20452-3057 JSP 817CD distance=143' 20408-2626 UC 4255 distance=147' 20465-2652 HJ 5220 distance=147' 20372-3114 HDS2943 distance=147' 20365-2632 STN 52 distance=148' 20507-2759 HDS2971 distance=149' 20424-2626 UC 4263 distance=150' 20448-3112 TDT2516 distance=153' 20380-3122 B 992 distance=153' 20516-2927 TOK 863Aa,Ab distance=155' 20295-3001 HJ 5202 distance=156' 20334-2643 B 491 distance=157' 20313-2707 SKF2086 distance=158' 20406-2615 UC 4254 distance=158' 20516-2943 DAM 668 distance=158' 20501-2722 HJ 5226 distance=160' 20517-2947 RST2164 distance=161' 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 20401-2852 SEE 423 AB 39 1.2
Show 20401-2852 SEE 423 BC 281 0.2
Show 20427-2855 RST2153 42 0.2 34
Show 20393-2820 RST2149 155 1.0 34
Show 20430-2846 SEE 425 226 7.9 39
Show 20431-2838 RST2154 279 0.8 43
Show 20400-2940 RST2151 57 0.2 49
Show 20375-2817 BRT3093 85 3.8 51
Show 20433-2925 SKF2089 284 17.7 53
Show 20365-2813 RST2147 315 1.2 62
Show 20447-2917 UC 4277 18 16.5 64
Show 20458-2834 RST2157 170 0.7 77
Show 20461-2843 RST2158 278 1.4 79
Show 20412-3015 RST2152 335 0.9 84
Show 20464-2834 RST2159 316 3.6 85
Show 20441-3000 SKF1248 55 6.4 86
Show 20434-3005 LDS5909 146 10.6 86
Show 20431-3010 UC 4267 59 8.2 87
Show 20396-2717 RST2150 5 1.7 97
Show 20325-2843 SKF2087 AB 9 61.0 101
Show 20325-2843 DAM1043 AC 197 11.5 101
Show 20373-2717 HJ 2982 137 15.8 102
Show 20424-3031 H N 101 AB 334 25.9 103
Show 20396-2704 HJ 5210 263 10.7 109
Show 20454-3029 HJ 5218 190 9.8 119
Show 20319-2806 TDT2341 318 0.5 119
Show 20310-2907 CHR 185 266 0.0 122
Show 20487-2804 FIN 8 189 2.5 123
Show 20479-2745 STN 53 175 18.1 123
Show 20498-2829 LDS 725 271 21.8 130
Show 20339-2710 CBL 178 40 52.0 132
Show 20406-2639 CHR 186 149 0.0 134
Show 20456-2653 B 2891 253 5.0 139
Show 20452-3057 FAL 70 AB 76 17.5 142
Show 20452-3057 TOK 340 AC 235 539.4 142
Show 20452-3057 JSP 817 CD 75 2.2 143
Show 20408-2626 UC 4255 339 13.7 147
Show 20465-2652 HJ 5220 354 18.1 147
Show 20372-3114 HDS2943 75 2.1 147
Show 20365-2632 STN 52 251 1.7 148
Show 20507-2759 HDS2971 49 0.2 149
Show 20424-2626 UC 4263 207 22.1 150
Show 20448-3112 TDT2516 60 0.6 153
Show 20380-3122 B 992 247 1.3 153
Show 20516-2927 TOK 863 Aa,Ab 173 1.5 155
Show 20295-3001 HJ 5202 84 15.6 156
Show 20334-2643 B 491 104 2.6 157
Show 20313-2707 SKF2086 306 7.1 158
Show 20406-2615 UC 4254 225 11.1 158
Show 20516-2943 DAM 668 309 11.2 158
Show 20501-2722 HJ 5226 67 18.7 160

 
 
WDS 20401-2852 : COMPONENTS
 
 
  A B
B pa=0.0°
sep=0.00"
 
C pa=282.1°
sep=0.18"
pa=282.1°
sep=0.18"
 
 
20401-2852 A
 
 
Name HD 196718 Coord arcsec 2000 204008.91-285220.2 Mag 9.04 Spectral class F5V (yellow-white)
PmRA 12.00 PmDE -27.0 SAO 189544 Tycho2 6933-01534-1
HD 196718 GC 28772 DM CD-2917237
Tycho2
Tycho2 6933-01534-1 Pflag P RAmdeg 310.03710852 DEmdeg -28.87228579
PmRA 12.1 PmDE -27.3 E RAmdeg 11 E DEmdeg 13
E pmRA 2.7 E pmDE 2.6 EpRAm 1991.47 EpDEm 1991.17
Num 5 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.7 BTmag 9.662 E BTmag 0.024 VTmag 9.042
E VTmag 0.019 Prox 11 TYC T HIP
CCDM RAdeg 310.03701917 DEdeg -28.87229917 EpRA 1990 1.76
EpDE 1990 1.59 E RAdeg 11.1 E DEdeg 12.7 Posflg D
Corr -0.2
SAO
SAO 189544 DelFlag RA1950 PmRA1950 0.002
DE1950 PmDE1950 -0.017 Vmag 8.6 SpType F8
Double code Source 70 CatNum 28772 DM CD-2917237
DMcomp BDsup HD 196718 M HD 0
GC 28772 RA1950rad 5.39791241 DE1950rad -0.50700898 PmRA2000 0.0019
PmDE2000 -0.019
CCDM
Ccdm 20401-2852 RComp Comp A Note1
Note2 Discov num DRAs 2.95 DDEs -19.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp F8 PmNote *
PmRA 24 PmDE -17 Dm number -2917237 Cat1 CD
Name2 189544 Cat2 SAO HD 196718 M HD
ADS BDS A14115 M ADS BDS N IDS IDS 20341S2913A
HIC
 
 
20401-2852 B
 
 
Coord arcsec 2000 204008.91-285220.2 Coord calc 204008.91-285220.2 Mag 9.68 Spectral class F5V (yellow-white)
PmRA 12.00 PmDE -27.0 Tycho2 6933-01534-2 Calc delta mag 0.64
Tycho2
Tycho2 6933-01534-2 Pflag P RAmdeg 310.03710852 DEmdeg -28.87228579
PmRA 12.1 PmDE -27.3 E RAmdeg 11 E DEmdeg 13
E pmRA 2.7 E pmDE 2.6 EpRAm 1991.47 EpDEm 1991.17
Num 5 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.7 BTmag 10.219 E BTmag 0.034 VTmag 9.678
E VTmag 0.029 Prox 11 TYC HIP
CCDM RAdeg 310.03721083 DEdeg -28.87204000 EpRA 1990 1.75
EpDE 1990 1.60 E RAdeg 18.1 E DEdeg 20.5 Posflg D
Corr -0.2
CCDM
Ccdm 20401-2852 RComp Comp B Note1
Note2 Discov num SEE 423 DRAs DDEs
R dRAs Year 1952 Theta 029 Rho 0.9
Obs 9 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14115 M ADS BDS N IDS IDS 20341S2913B
HIC
 
 
20401-2852 C
 
 
Coord arcsec 2000 204008.90-285220.2 Mag 10 Calc delta mag 0.96 Calc coord yes