stampa
Login

Never registered to Stelle Doppie? It's like a Ferrari without wheels. Register now to releveal the full potential!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20516-3618
B 998


Nearby doubles
30' : 20506-3645
B 2893

35' : 20506-3545
TDT2573

49' : 20501-3534
HDS2969

49' : 20539-3658
B 507

51' : 20478-3636
LWR 17

55' : 20518-3523
KPP1661

60' : 20532-3521
BRT1814

62' : 20521-3517
RST3270

64' : 20502-3719
BRT1813

64' : 20542-3714
BRT1815

71' : 20480-3523
B 2892

85' : 20571-3526
B 510

87' : 20583-3548
WSP 133AB

88' : 20525-3451
NSN 490

90' : 20448-3653
UC 4278

91' : 20442-3607
UC 4273

96' : 20582-3711
WIS 345

104' : 20452-3510
SEE 428

105' : 20518-3434
B 504

107' : 20457-3736
HJ 5216

109' : 20436-3532
HJ 5215

111' : 20521-3428
B 999

111' : 20570-3748
NSN 489

112' : 20584-3735
SKF1251

113' : 20521-3810
SEE 429

113' : 20595-3718
JSP 820



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.

20516-3618 B 998

 
 
20h 51m 37.95s -36° 17' 52.7" P.A. 288.00 sep 0.5 mag 10.40,11.90 Sp F2
 
 
Coord 2000 20516-3618 Discov num B   998 Comp Coord arcsec 2000 20 51 37.95 -36 17 52.7
Date first 1927 Date last 2021 Obs 2
Pa first 282 Pa last 288 P.A. Now (θ) 288°
Sep first 0.5 Sep last 0.482 Sep. Now (ρ) 0.482"
Mag pri 10.40 Mag sec 11.90 delta mag (ΔM) 1.5 Spectral class F2 (yellow-white)
Pri motion ra -007 Sec motion ra
Pri motion dec -045 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7470-01007-1 Gaia DR2 6778763655124108288
 
 
WDS 20516-3618 B 998 : 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
20516-3618 B 998 1927 1 282 0.5 10.40 11.90 F2 205137.95-361752.7
20516-3618 B 998 2021 2 288 0.5 10.40 11.90 F2 205137.95-361752.7

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

 
 
WDS 20516-3618 B 998 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20516-3618 B 998 : MEASURES
 
 
No records found.

 
 
WDS 20516-3618 : VIRTUAL EYEPIECE
 
 

20516-3618 B 998A mag 10.4 Sp F2 20516-3618 B 998B sep 0.4 P.A. 292.00 mag 11.9 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 20516-3618 : ALADIN DSS IMAGE @ 20h 51m 37.95s -36° 17' 52.7"
 
 
 
 
WDS 20516-3618 B 998 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20516-3618 B 998 distance=0' 20506-3645 B 2893 distance=30' 20506-3545 TDT2573 distance=35' 20501-3534 HDS2969 distance=49' 20539-3658 B 507 distance=49' 20478-3636 LWR 17 distance=51' 20518-3523 KPP1661 distance=55' 20532-3521 BRT1814 distance=60' 20521-3517 RST3270 distance=62' 20502-3719 BRT1813 distance=64' 20542-3714 BRT1815 distance=64' 20480-3523 B 2892 distance=71' 20571-3526 B 510 distance=85' 20583-3548 WSP 133AB distance=87' 20583-3548 WSP 133AC distance=87' 20583-3548 WSP 133AD distance=87' 20583-3548 WSP 133AE distance=87' 20525-3451 NSN 490 distance=88' 20448-3653 UC 4278 distance=90' 20442-3607 UC 4273 distance=91' 20582-3711 WIS 345 distance=96' 20452-3510 SEE 428 distance=104' 20518-3434 B 504 distance=105' 20457-3736 HJ 5216 distance=107' 20436-3532 HJ 5215 distance=109' 20521-3428 B 999 distance=111' 20570-3748 NSN 489 distance=111' 20584-3735 SKF1251 distance=112' 20521-3810 SEE 429 distance=113' 20595-3718 JSP 820 distance=113' 20576-3745 B 2488 distance=113' 20579-3743 HJ 5236 distance=114' 20458-3443 HJ 5219 distance=118' 20437-3509 KPP 941 distance=119' 21007-3518 BU 765 distance=126' 20575-3435 BRT1816 distance=127' 20598-3452 TDT2682 distance=132' 21012-3511 TOK 344AB distance=135' 21012-3511 TOK 344Aa,Ab distance=135' 20551-3408 HJ 5234 distance=137' 20530-3836 TOI 154 distance=139' 20562-3828 TDT2645AB distance=141' 20503-3839 B 503 distance=142' 20521-3353 SEE 430 distance=146' 20570-3406 RST3272 distance=148' 20593-3820 B 2894 distance=153' 20500-3347 HJ 5224 distance=153' 20588-3402 RST3274 distance=163' 20381-3627 KPP3107 distance=164' 21002-3408 KPP4219 distance=167' 21034-3748 TDT2717 distance=167' 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 20516-3618 B 998 288 0.5 0
Show 20506-3645 B 2893 297 9.7 30
Show 20506-3545 TDT2573 74 0.4 35
Show 20501-3534 HDS2969 174 0.1 49
Show 20539-3658 B 507 215 0.5 49
Show 20478-3636 LWR 17 20 9.0 51
Show 20518-3523 KPP1661 42 12.8 55
Show 20532-3521 BRT1814 258 4.0 60
Show 20521-3517 RST3270 338 2.5 62
Show 20502-3719 BRT1813 296 5.4 64
Show 20542-3714 BRT1815 207 4.2 64
Show 20480-3523 B 2892 104 8.1 71
Show 20571-3526 B 510 327 3.4 85
Show 20583-3548 WSP 133 AB 212 2.4 87
Show 20583-3548 WSP 133 AC 158 16.3 87
Show 20583-3548 WSP 133 AD 339 16.4 87
Show 20583-3548 WSP 133 AE 354 16.6 87
Show 20525-3451 NSN 490 73 2.0 88
Show 20448-3653 UC 4278 250 22.0 90
Show 20442-3607 UC 4273 22 17.6 91
Show 20582-3711 WIS 345 7 35.3 96
Show 20452-3510 SEE 428 188 4.4 104
Show 20518-3434 B 504 38 2.3 105
Show 20457-3736 HJ 5216 22 15.6 107
Show 20436-3532 HJ 5215 183 22.8 109
Show 20521-3428 B 999 328 1.3 111
Show 20570-3748 NSN 489 348 2.7 111
Show 20584-3735 SKF1251 217 148.1 112
Show 20521-3810 SEE 429 179 3.4 113
Show 20595-3718 JSP 820 247 1.4 113
Show 20576-3745 B 2488 226 2.4 113
Show 20579-3743 HJ 5236 308 5.9 114
Show 20458-3443 HJ 5219 323 8.5 118
Show 20437-3509 KPP 941 156 7.7 119
Show 21007-3518 BU 765 72 0.8 126
Show 20575-3435 BRT1816 180 3.7 127
Show 20598-3452 TDT2682 151 2.2 132
Show 21012-3511 TOK 344 AB 61 186.0 135
Show 21012-3511 TOK 344 Aa,Ab 351 0.1 135
Show 20551-3408 HJ 5234 90 15.1 137
Show 20530-3836 TOI 154 203 0.2 139
Show 20562-3828 TDT2645 AB 241 0.7 141
Show 20503-3839 B 503 116 2.5 142
Show 20521-3353 SEE 430 345 14.5 146
Show 20570-3406 RST3272 23 2.2 148
Show 20593-3820 B 2894 311 11.4 153
Show 20500-3347 HJ 5224 165 20.2 153
Show 20588-3402 RST3274 358 1.8 163
Show 20381-3627 KPP3107 325 6.6 164
Show 21002-3408 KPP4219 358 2.1 167
Show 21034-3748 TDT2717 255 0.7 167

 
 
WDS 20516-3618 : COMPONENTS
 
 
  A
B pa=292.0°
sep=0.40"
 
 
20516-3618 A
 
 
Coord arcsec 2000 205137.95-361752.7 Mag 10.4 Spectral class F2 (yellow-white) PmRA -7.00
PmDE -45.0 Tycho2 7470-01007-1
Tycho2
Tycho2 7470-01007-1 Pflag RAmdeg 312.90816063 DEmdeg -36.29799382
PmRA 6.8 PmDE -31.3 E RAmdeg 18 E DEmdeg 22
E pmRA 1.5 E pmDE 1.5 EpRAm 1986.52 EpDEm 1983.83
Num 8 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 10.464 E BTmag 0.037 VTmag 10.147
E VTmag 0.039 Prox 999 TYC T HIP
CCDM RAdeg 312.90814306 DEdeg -36.29791889 EpRA 1990 1.68
EpDE 1990 1.46 E RAdeg 20.4 E DEdeg 26.4 Posflg
Corr -0.2
CCDM
Ccdm 20516-3618 RComp Comp A Note1
Note2 Discov num DRAs 1.83 DDEs 5.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.2 Sp F2 PmNote *
PmRA -14 PmDE -59 Dm number -3614438 Cat1 CD
Name2 212493 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 20453S3640A
HIC
 
 
20516-3618 B
 
 
Coord arcsec 2000 205137.92-361752.6 Mag 11.9 Calc delta mag 1.5 Calc coord yes
CCDM
Ccdm 20516-3618 RComp Comp B Note1
Note2 Discov num B 998 DRAs DDEs
R dRAs Year 1927 Theta 282 Rho 0.5
Obs 1 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20453S3640B
HIC