stampa
Login

Keep tracks of you favourite doubles.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
21257-8201
TDT 2957


Nearby doubles
12' : 21232-8150
TDT2937

22' : 21188-8145
TRC 8

23' : 21255-8138
DEA 494

44' : 21123-8129
YMG 92

49' : 21385-8121
NSN 428

65' : 21378-8301
UC 4515

74' : 21422-8057
TDT3116

78' : 21159-8316
HJ 5233

90' : 21067-8042
GLI 263

102' : 21171-8021
I 670

114' : 21208-8008
TDS1124

115' : 21222-8007
LDS 736

120' : 21334-8002
HJ 5262

134' : 21455-8409
TDT3142

139' : 21213-8419
HJ 5235

156' : 21382-8435
TDT3070

159' : 21201-8439
UC 4446

210' : 21211-7831
UC 4454

270' : 21182-7732
TOI1101AB

281' : 21415-7723
BLM 6

287' : 21079-8645
JSP 815

289' : 21082-7716
TDT2777

291' : 21212-7710
KPP1119



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.

21257-8201 TDT 2957

 
 
21h 25m 44.27s -82° 00' 41.2" P.A. 140.00 sep 0.4 mag 10.51,10.77 Sp K0
 
 
Coord 2000 21257-8201 Discov num TDT2957 Comp Coord arcsec 2000 21 25 44.27 -82 00 41.2
Date first 1991 Date last 1991 Obs 1
Pa first 140 Pa last 140.2 P.A. Now (θ) 140.2°
Sep first 0.4 Sep last 0.41 Sep. Now (ρ) 0.41"
Mag pri 10.51 Mag sec 10.77 delta mag (ΔM) 0.26 Spectral class K0 (yellow-orange)
Pri motion ra +012 Sec motion ra +012
Pri motion dec -021 Sec motion dec -021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Octans Tycho2 9486-00533-1 Gaia DR2 6348464659994731648
 
 
WDS 21257-8201 TDT 2957 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21257-8201 TDT2957 1991 1 140 0.4 10.51 10.77 212544.27-820041.2

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

 
 
WDS 21257-8201 TDT 2957 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21257-8201 TDT 2957 : MEASURES
 
 
No records found.

 
 
WDS 21257-8201 : VIRTUAL EYEPIECE
 
 

21257-8201 TDT2957A mag 10.51 Sp K0 21257-8201 TDT2957B sep 0.3 P.A. 173.40 mag 10.77 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 21257-8201 : ALADIN DSS IMAGE @ 21h 25m 44.27s -82° 00' 41.2"
 
 
 
 
WDS 21257-8201 TDT 2957 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21257-8201 TDT2957 distance=0' 21232-8150 TDT2937 distance=12' 21188-8145 TRC 8 distance=22' 21255-8138 DEA 494 distance=23' 21123-8129 YMG 92 distance=44' 21385-8121 NSN 428 distance=49' 21378-8301 UC 4515 distance=65' 21422-8057 TDT3116 distance=74' 21159-8316 HJ 5233 distance=78' 21067-8042 GLI 263 distance=90' 21171-8021 I 670 distance=102' 21208-8008 TDS1124 distance=114' 21222-8007 LDS 736 distance=115' 21334-8002 HJ 5262 distance=120' 21455-8409 TDT3142 distance=134' 21213-8419 HJ 5235 distance=139' 21382-8435 TDT3070 distance=156' 21201-8439 UC 4446 distance=159' 21211-7831 UC 4454 distance=210' 21182-7732 TOI1101AB distance=270' 21415-7723 BLM 6 distance=281' 21079-8645 JSP 815 distance=287' 21082-7716 TDT2777 distance=289' 21212-7710 KPP1119 distance=291' 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 21257-8201 TDT2957 140 0.4
Show 21232-8150 TDT2937 182 3.0 12
Show 21188-8145 TRC 8 195 4.0 22
Show 21255-8138 DEA 494 124 217.5 23
Show 21123-8129 YMG 92 131 0.1 44
Show 21385-8121 NSN 428 86 7.2 49
Show 21378-8301 UC 4515 56 52.5 65
Show 21422-8057 TDT3116 98 0.6 74
Show 21159-8316 HJ 5233 268 11.7 78
Show 21067-8042 GLI 263 244 4.8 90
Show 21171-8021 I 670 0.7 102
Show 21208-8008 TDS1124 180 1.3 114
Show 21222-8007 LDS 736 2 134.2 115
Show 21334-8002 HJ 5262 92 24.2 120
Show 21455-8409 TDT3142 290 0.5 134
Show 21213-8419 HJ 5235 80 3.2 139
Show 21382-8435 TDT3070 109 2.4 156
Show 21201-8439 UC 4446 95 8.2 159
Show 21211-7831 UC 4454 185 75.8 210
Show 21182-7732 TOI1101 AB 236 3.6 270
Show 21415-7723 BLM 6 331 0.1 281
Show 21079-8645 JSP 815 289 2.2 287
Show 21082-7716 TDT2777 17 1.5 289
Show 21212-7710 KPP1119 277 8.8 291

 
 
WDS 21257-8201 : COMPONENTS
 
 
  A
B pa=173.4°
sep=0.32"
 
 
21257-8201 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212544.27-820041.2 Mag 10.51 Spectral class K0 (yellow-orange)
PmRA 12.00 PmDE -21.0 Tycho2 9486-00533-1
Tycho2
Tycho2 9486-00533-1 Pflag RAmdeg 321.43467933 DEmdeg -82.01147221
PmRA 11.8 PmDE -21.2 E RAmdeg 19 E DEmdeg 19
E pmRA 1.7 E pmDE 1.7 EpRAm 1989.52 EpDEm 1989.74
Num 8 Q RAmdeg 1.9 Q DEmdeg 1.1 Q pmRA 1.9
Q pmDE 1.1 BTmag 11.399 E BTmag 0.055 VTmag 9.963
E VTmag 0.025 Prox 999 TYC T HIP
CCDM RAdeg 321.43448778 DEdeg -82.01142111 EpRA 1990 1.72
EpDE 1990 1.69 E RAdeg 20.0 E DEdeg 20.1 Posflg
Corr 0.1
 
 
21257-8201 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212544.29-820041.5 Mag 10.77 PmRA 12.00
PmDE -21.0 Calc delta mag 0.26 Calc coord yes