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Current system
20478-6546
TDT 2544


Nearby doubles
10' : 20492-6550
TDT2562

23' : 20513-6542
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HJ 5221

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KPP4210

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LDS 728

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DAM1257

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UC 4298

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HDS2981AB

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NZO 102

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UC 4233

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MLO 91

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TDT2424

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HDS2974

82' : 20354-6519
HDS2942

82' : 20496-6427
DAW 229AB

82' : 20598-6621
TDT2683

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TSN 35

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TDT2524

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FAB 16

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UC 4259

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TDT2657

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HJ 5217

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B 994

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HU 1616

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CBL 179

108' : 20432-6730
LDS 718



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

20478-6546 TDT 2544

 
 
20h 47m 46.57s -65° 45' 49.5" P.A. 158.00 sep 0.5 mag 11.52,11.60
 
 
Coord 2000 20478-6546 Discov num TDT2544 Comp Coord arcsec 2000 20 47 46.57 -65 45 49.5
Date first 1991 Date last 1991 Obs 1
Pa first 158 Pa last 157.8 P.A. Now (θ) 157.8°
Sep first 0.5 Sep last 0.47 Sep. Now (ρ) 0.47"
Mag pri 11.52 Mag sec 11.60 delta mag (ΔM) 0.08 Spectral class
Pri motion ra +018 Sec motion ra +018
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pavo Tycho2 9112-00440-1 Gaia DR2 6425450883622311168
 
 
WDS 20478-6546 TDT 2544 : 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
20478-6546 TDT2544 1991 1 158 0.5 11.52 11.60 204746.57-654549.5

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

 
 
WDS 20478-6546 TDT 2544 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20478-6546 TDT 2544 : MEASURES
 
 
No records found.

 
 
WDS 20478-6546 : VIRTUAL EYEPIECE
 
 

20478-6546 TDT2544A mag 11.52 20478-6546 TDT2544B sep 0.4 P.A. 170.50 mag 11.6 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 20478-6546 : ALADIN DSS IMAGE @ 20h 47m 46.57s -65° 45' 49.5"
 
 
 
 
WDS 20478-6546 TDT 2544 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20478-6546 TDT2544 distance=1' 20492-6550 TDT2562 distance=10' 20513-6542 UC 4309 distance=23' 20515-6543 HJ 5221 distance=23' 20404-6551 KPP4210 distance=46' 20552-6550 LDS 728 distance=46' 20553-6557 DAM1257 distance=48' 20446-6630 TOK 918Aa,Ab distance=49' 20490-6453 UC 4298 distance=54' 20557-6609 HDS2981AB distance=54' 20557-6609 HDS2981AC distance=54' 20411-6638 NZO 102 distance=66' 20371-6523 UC 4233 distance=71' 20594-6558 MLO 91 distance=73' 20370-6623 TDT2424 distance=76' 20527-6432 HDS2974 distance=80' 20354-6519 HDS2942 distance=82' 20496-6427 DAW 229AB distance=82' 20496-6427 BAU 64AC distance=82' 20496-6427 BAU 64AD distance=82' 20598-6621 TDT2683 distance=82' 20370-6455 TSN 35 distance=85' 20459-6710 TDT2524 distance=86' 20397-6436 FAB 16 distance=86' 20416-6427 UC 4259 distance=89' 20573-6655 TDT2657 distance=91' 20398-6430 HJ 5217 distance=92' 20444-6411 B 994 distance=97' 20407-6411 HU 1616 distance=105' 20361-6705 CBL 179 distance=106' 20432-6730 LDS 718 distance=108' 21032-6452 TDT2715 distance=111' 21026-6651 TDT2709 distance=111' 20489-6353 HU 1620 distance=114' 20309-6648 MLO 89 distance=120' 20360-6412 B 991 distance=121' 20324-6704 TDT2345 distance=121' 20423-6348 TDT2483 distance=123' 20472-6749 DON 991 distance=123' 20348-6414 UC 4220 distance=124' 20535-6348 LDS 726 distance=124' 20579-6359 TSN 36AB distance=126' 20559-6742 TDT2637 distance=126' 20560-6748 TDT2639 distance=132' 20319-6420 TDT2342 distance=132' 20304-6711 TDT2329 distance=135' 21032-6723 DON 997 distance=135' 20422-6332 RST1075 distance=140' 20357-6348 TDT2403 distance=141' 20472-6320 UC 4287 distance=146' 20447-6319 LDS 719 distance=148' 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 20478-6546 TDT2544 158 0.5 1
Show 20492-6550 TDT2562 279 0.5 10
Show 20513-6542 UC 4309 344 30.7 23
Show 20515-6543 HJ 5221 44 10.3 23
Show 20404-6551 KPP4210 53 1.5 46
Show 20552-6550 LDS 728 253 277.9 46
Show 20553-6557 DAM1257 104 87.1 48
Show 20446-6630 TOK 918 Aa,Ab 336 0.1 49
Show 20490-6453 UC 4298 57 10.8 54
Show 20557-6609 HDS2981 AB 243 0.1 54
Show 20557-6609 HDS2981 AC 172 1.3 54
Show 20411-6638 NZO 102 141 10.1 66
Show 20371-6523 UC 4233 2 9.3 71
Show 20594-6558 MLO 91 242 17.0 73
Show 20370-6623 TDT2424 19 1.8 76
Show 20527-6432 HDS2974 31 1.0 80
Show 20354-6519 HDS2942 86 0.7 82
Show 20496-6427 DAW 229 AB 136 7.7 82
Show 20496-6427 BAU 64 AC 305 49.8 82
Show 20496-6427 BAU 64 AD 161 51.0 82
Show 20598-6621 TDT2683 186 2.4 82
Show 20370-6455 TSN 35 73 35.3 85
Show 20459-6710 TDT2524 164 0.4 86
Show 20397-6436 FAB 16 358 20.0 86
Show 20416-6427 UC 4259 191 13.9 89
Show 20573-6655 TDT2657 126 0.7 91
Show 20398-6430 HJ 5217 232 7.7 92
Show 20444-6411 B 994 193 0.8 97
Show 20407-6411 HU 1616 68 0.7 105
Show 20361-6705 CBL 179 107 24.7 106
Show 20432-6730 LDS 718 309 29.1 108
Show 21032-6452 TDT2715 294 1.8 111
Show 21026-6651 TDT2709 213 0.7 111
Show 20489-6353 HU 1620 271 1.3 114
Show 20309-6648 MLO 89 137 5.2 120
Show 20360-6412 B 991 167 3.1 121
Show 20324-6704 TDT2345 217 0.5 121
Show 20423-6348 TDT2483 87 0.6 123
Show 20472-6749 DON 991 76 2.3 123
Show 20348-6414 UC 4220 9 41.6 124
Show 20535-6348 LDS 726 195 7.5 124
Show 20579-6359 TSN 36 AB 122 260.3 126
Show 20559-6742 TDT2637 246 0.5 126
Show 20560-6748 TDT2639 325 0.9 132
Show 20319-6420 TDT2342 182 2.5 132
Show 20304-6711 TDT2329 167 0.5 135
Show 21032-6723 DON 997 61 2.5 135
Show 20422-6332 RST1075 286 1.4 140
Show 20357-6348 TDT2403 237 1.0 141
Show 20472-6320 UC 4287 21 24.0 146
Show 20447-6319 LDS 719 171 187.2 148

 
 
WDS 20478-6546 : COMPONENTS
 
 
  A
B pa=170.5°
sep=0.44"
 
 
20478-6546 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204746.57-654549.5 Mag 11.52 PmRA 18.00
PmDE -11.0 Tycho2 9112-00440-1
Tycho2
Tycho2 9112-00440-1 Pflag RAmdeg 311.94409262 DEmdeg -65.76381682
PmRA 17.7 PmDE -11.4 E RAmdeg 25 E DEmdeg 19
E pmRA 2.7 E pmDE 2.5 EpRAm 1990.41 EpDEm 1991.06
Num 3 Q RAmdeg 0.4 Q DEmdeg 1.5 Q pmRA 0.4
Q pmDE 1.5 BTmag 11.359 E BTmag 0.038 VTmag 10.836
E VTmag 0.037 Prox 894 TYC T HIP
CCDM RAdeg 311.94398972 DEdeg -65.76379083 EpRA 1990 1.38
EpDE 1990 1.70 E RAdeg 25.0 E DEdeg 18.8 Posflg
Corr 0.4
 
 
20478-6546 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204746.58-654549.9 Mag 11.6 PmRA 18.00
PmDE -11.0 Calc delta mag 0.08 Calc coord yes