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Doubles in session


Current system
20576-3745
B 2488


Nearby doubles
4' : 20579-3743
HJ 5236

8' : 20570-3748
NSN 489

14' : 20584-3735
SKF1251

35' : 20595-3718
JSP 820

35' : 20582-3711
WIS 345

40' : 20593-3820
B 2894

47' : 20562-3828
TDT2645AB

52' : 20542-3714
BRT1815

65' : 20539-3658
B 507

68' : 21034-3748
TDT2717

71' : 20521-3810
SEE 429

75' : 20530-3836
TOI 154

79' : 20593-3902
WG 264

83' : 21030-3838
UC 4365

84' : 20576-3908
WG 263

88' : 20574-3913
TDT2658

93' : 20563-3916
TDT2646

93' : 20502-3719
BRT1813

102' : 20503-3839
B 503

103' : 20506-3645
B 2893

113' : 21065-3826
KIR 23

113' : 20516-3618
B 998

118' : 20583-3548
WSP 133AB

129' : 21075-3842
WG 266

130' : 20561-3953
SKF1098

133' : 21068-3631
I 301



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20576-3745 B 2488

 
 
20h 57m 38.76s -37° 44' 50.3" P.A. 226.00 sep 2.4 mag 9.68,14.70 Sp G8
 
 
Coord 2000 20576-3745 Discov num B  2488 Comp Coord arcsec 2000 20 57 38.76 -37 44 50.3
Date first 1930 Date last 2016 Obs 3
Pa first 228 Pa last 226.3 P.A. Now (θ) 226.3°
Sep first 3.0 Sep last 2.387 Sep. Now (ρ) 2.387"
Mag pri 9.68 Mag sec 14.70 delta mag (ΔM) 5.02 Spectral class G8 (yellow)
Pri motion ra -011 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7964-00017-1 Gaia DR2 6775387192356549120
 
 
WDS 20576-3745 B 2488 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20576-3745 B 2488 1930 1 228 3.0 9.68 14.70 G8 205738.76-374450.3
20576-3745 B 2488 2015 2 226 2.4 9.68 14.70 G8 205738.76-374450.3
20576-3745 B 2488 2016 3 226 2.4 9.68 14.70 G8 205738.76-374450.3

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

 
 
WDS 20576-3745 B 2488 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20576-3745 B 2488 : MEASURES
 
 
No records found.

 
 
WDS 20576-3745 : VIRTUAL EYEPIECE
 
 

20576-3745 B 2488A mag 9.68 Sp G8 20576-3745 B 2488B sep 2.1 P.A. 219.60 mag 14.7 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 20576-3745 : ALADIN DSS IMAGE @ 20h 57m 38.76s -37° 44' 50.3"
 
 
 
 
WDS 20576-3745 B 2488 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20576-3745 B 2488 distance=0' 20579-3743 HJ 5236 distance=4' 20570-3748 NSN 489 distance=8' 20584-3735 SKF1251 distance=14' 20595-3718 JSP 820 distance=35' 20582-3711 WIS 345 distance=35' 20593-3820 B 2894 distance=40' 20562-3828 TDT2645AB distance=47' 20542-3714 BRT1815 distance=52' 20539-3658 B 507 distance=65' 21034-3748 TDT2717 distance=68' 20521-3810 SEE 429 distance=71' 20530-3836 TOI 154 distance=75' 20593-3902 WG 264 distance=79' 21030-3838 UC 4365 distance=83' 21029-3839 KPP4221CD distance=83' 20576-3908 WG 263 distance=84' 20574-3913 TDT2658 distance=88' 20563-3916 TDT2646 distance=93' 20502-3719 BRT1813 distance=93' 20503-3839 B 503 distance=102' 20506-3645 B 2893 distance=103' 21065-3826 KIR 23 distance=113' 20516-3618 B 998 distance=113' 20583-3548 WSP 133AB distance=118' 20583-3548 WSP 133AC distance=118' 20583-3548 WSP 133AD distance=118' 20583-3548 WSP 133AE distance=118' 21075-3842 WG 266 distance=129' 20561-3953 SKF1098 distance=130' 21068-3631 I 301 distance=133' 20497-3921 B 502 distance=134' 21087-3715 B 1895 distance=135' 20478-3636 LWR 17 distance=138' 20571-3526 B 510 distance=140' 21055-3933 TDT2734 distance=142' 20457-3736 HJ 5216 distance=143' 21097-3725 TDT2796 distance=146' 20506-3545 TDT2573 distance=147' 20501-3943 R 326 distance=148' 20523-4000 SKF1097 distance=149' 21007-3518 BU 765 distance=152' 20532-3521 BRT1814 distance=153' 20518-3523 KPP1661 distance=158' 20501-3534 HDS2969 distance=160' 21012-3511 TOK 344AB distance=160' 21012-3511 TOK 344Aa,Ab distance=160' 21087-3612 UC 4388 distance=162' 20448-3653 UC 4278 distance=163' 20521-3517 RST3270 distance=163' 21071-3944 KPP2409 distance=163' 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 20576-3745 B 2488 226 2.4 0
Show 20579-3743 HJ 5236 308 5.9 4
Show 20570-3748 NSN 489 348 2.7 8
Show 20584-3735 SKF1251 217 148.1 14
Show 20595-3718 JSP 820 247 1.4 35
Show 20582-3711 WIS 345 7 35.3 35
Show 20593-3820 B 2894 311 11.4 40
Show 20562-3828 TDT2645 AB 241 0.7 47
Show 20542-3714 BRT1815 207 4.2 52
Show 20539-3658 B 507 215 0.5 65
Show 21034-3748 TDT2717 255 0.7 68
Show 20521-3810 SEE 429 179 3.4 71
Show 20530-3836 TOI 154 203 0.2 75
Show 20593-3902 WG 264 82 5.3 79
Show 21030-3838 UC 4365 207 99.7 83
Show 21029-3839 KPP4221 CD 265 4.5 83
Show 20576-3908 WG 263 34 7.1 84
Show 20574-3913 TDT2658 30 0.5 88
Show 20563-3916 TDT2646 242 1.6 93
Show 20502-3719 BRT1813 296 5.4 93
Show 20503-3839 B 503 116 2.5 102
Show 20506-3645 B 2893 297 9.7 103
Show 21065-3826 KIR 23 143 42.8 113
Show 20516-3618 B 998 288 0.5 113
Show 20583-3548 WSP 133 AB 212 2.4 118
Show 20583-3548 WSP 133 AC 158 16.3 118
Show 20583-3548 WSP 133 AD 339 16.4 118
Show 20583-3548 WSP 133 AE 354 16.6 118
Show 21075-3842 WG 266 299 3.4 129
Show 20561-3953 SKF1098 225 6.9 130
Show 21068-3631 I 301 335 3.7 133
Show 20497-3921 B 502 113 1.3 134
Show 21087-3715 B 1895 119 0.9 135
Show 20478-3636 LWR 17 20 9.0 138
Show 20571-3526 B 510 327 3.4 140
Show 21055-3933 TDT2734 35 0.4 142
Show 20457-3736 HJ 5216 22 15.6 143
Show 21097-3725 TDT2796 263 0.6 146
Show 20506-3545 TDT2573 74 0.4 147
Show 20501-3943 R 326 293 40.3 148
Show 20523-4000 SKF1097 2 9.6 149
Show 21007-3518 BU 765 72 0.8 152
Show 20532-3521 BRT1814 258 4.0 153
Show 20518-3523 KPP1661 42 12.8 158
Show 20501-3534 HDS2969 174 0.1 160
Show 21012-3511 TOK 344 AB 61 186.0 160
Show 21012-3511 TOK 344 Aa,Ab 351 0.1 160
Show 21087-3612 UC 4388 178 73.1 162
Show 20448-3653 UC 4278 250 22.0 163
Show 20521-3517 RST3270 338 2.5 163
Show 21071-3944 KPP2409 194 20.9 163

 
 
WDS 20576-3745 : COMPONENTS
 
 
  A
B pa=219.6°
sep=2.14"
 
 
20576-3745 A
 
 
Coord arcsec 2000 205738.76-374450.3 Mag 9.68 Spectral class G8 (yellow) PmRA -11.00
PmDE -8.0 Tycho2 7964-00017-1
Tycho2
Tycho2 7964-00017-1 Pflag RAmdeg 314.41153880 DEmdeg -37.74730539
PmRA -1.7 PmDE -5.9 E RAmdeg 19 E DEmdeg 23
E pmRA 1.4 E pmDE 1.5 EpRAm 1985.81 EpDEm 1984.08
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.5 Q pmRA 0.8
Q pmDE 1.5 BTmag 10.789 E BTmag 0.054 VTmag 9.683
E VTmag 0.031 Prox 999 TYC T HIP
CCDM RAdeg 314.41154694 DEdeg -37.74729028 EpRA 1990 1.55
EpDE 1990 1.33 E RAdeg 21.0 E DEdeg 27.0 Posflg
Corr 0.0
CCDM
Ccdm 20576-3745 RComp Comp A Note1
Note2 Discov num DRAs 2.79 DDEs 9.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp G8 PmNote *
PmRA -2 PmDE -8 Dm number -3814313 Cat1 CD
Name2 212576 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 20513S3808A
HIC
 
 
20576-3745 B
 
 
Coord arcsec 2000 205738.64-374451.9 Mag 14.7 Calc delta mag 5.02 Calc coord yes
CCDM
Ccdm 20576-3745 RComp Comp B Note1
Note2 Discov num B 2488 DRAs DDEs
R dRAs Year Theta 228 Rho 3.0
Obs Vmag 14.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20513S3808B
HIC