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
20481+4738
TDT 2547


Nearby doubles
12' : 20478+4750
ES 810

17' : 20478+4754
ES 2253

23' : 20502+4732
ES 672

31' : 20496+4805
HJ 1584

38' : 20450+4718
BRT2274

41' : 20517+4721
TDT2584

45' : 20443+4716
TDT2509

45' : 20437+4733
A 749

46' : 20482+4653
ES 669

47' : 20454+4816
UC 254

55' : 20434+4712
TDT2496

60' : 20529+4814
ES 812

62' : 20499+4640
BU 250

62' : 20522+4653
BRT2278

65' : 20546+4732
HJ 1594

66' : 20437+4651
TDS1096

67' : 20501+4635
ES 671

69' : 20466+4632
KUI 101

71' : 20414+4758
ES 809AB

75' : 20508+4628
BRT2276AB

77' : 20555+4723
ES 95AB

77' : 20555+4722
TOB 201AB

80' : 20557+4755
ES 813

80' : 20431+4637
BRT2273

80' : 20558+4722
TOB 200

82' : 20456+4621
HDS2955



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.

20481+4738 TDT 2547

 
 
20h 48m 06.85s +47° 38' 18.6" P.A. 73.00 sep 2.5 mag 11.68,12.05
 
 
Coord 2000 20481+4738 Discov num TDT2547 Comp Coord arcsec 2000 20 48 06.85 +47 38 18.6
Date first 1991 Date last 2019 Obs 5
Pa first 73 Pa last 73.4 P.A. Now (θ) 73.4°
Sep first 2.9 Sep last 2.5 Sep. Now (ρ) 2.5"
Mag pri 11.68 Mag sec 12.05 delta mag (ΔM) 0.37 Spectral class
Pri motion ra -012 Sec motion ra -013
Pri motion dec -006 Sec motion dec -007
Notes
rPM=0.096 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3578-00055-1 Gaia DR2 2166768502151411584
 
 
WDS 20481+4738 TDT 2547 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20481+4738 TDT2547 1991 1 73 2.9 11.68 12.05 204806.85+473818.6
20481+4738 TDT2547 2003 2 74 2.6 11.68 12.05 204806.85+473818.6
20481+4738 TDT2547 2015 3 74 2.6 11.68 12.05 204806.85+473818.6
20481+4738 TDT2547 2019 5 73 2.5 11.68 12.05 204806.85+473818.6

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

 
 
WDS 20481+4738 TDT 2547 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20481+4738 TDT 2547 : MEASURES
 
 
No records found.

 
 
WDS 20481+4738 : VIRTUAL EYEPIECE
 
 

20481+4738 TDT2547A mag 11.68 20481+4738 TDT2547B sep 2.5 P.A. 73.40 mag 12.05 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 20481+4738 : ALADIN DSS IMAGE @ 20h 48m 06.85s +47° 38' 18.6"
 
 
 
 
WDS 20481+4738 TDT 2547 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20481+4738 TDT2547 distance=0' 20478+4750 ES 810 distance=12' 20478+4754 ES 2253 distance=17' 20502+4732 ES 672 distance=23' 20496+4805 HJ 1584 distance=31' 20450+4718 BRT2274 distance=38' 20517+4721 TDT2584 distance=41' 20443+4716 TDT2509 distance=45' 20437+4733 A 749 distance=45' 20482+4653 ES 669 distance=46' 20454+4816 UC 254 distance=47' 20434+4712 TDT2496 distance=55' 20529+4814 ES 812 distance=60' 20499+4640 BU 250 distance=62' 20522+4653 BRT2278 distance=62' 20546+4732 HJ 1594 distance=65' 20437+4651 TDS1096 distance=66' 20501+4635 ES 671 distance=67' 20466+4632 KUI 101 distance=69' 20414+4758 ES 809AB distance=71' 20414+4758 SKF2394AC distance=71' 20508+4628 BRT2276AB distance=75' 20508+4628 FYM 314AC distance=75' 20508+4628 FYM 314AD distance=75' 20555+4723 TDT2632Aa,Ab distance=77' 20555+4723 ES 95AB distance=77' 20555+4723 HJ 1597AC distance=77' 20555+4722 TOB 201AB distance=77' 20555+4722 TOB 201AC distance=77' 20555+4722 TOB 201AD distance=77' 20555+4722 TOB 201CD distance=77' 20557+4755 ES 813 distance=80' 20431+4637 BRT2273 distance=80' 20558+4722 TOB 200 distance=80' 20456+4621 HDS2955 distance=82' 20470+4901 HDS2962 distance=84' 20397+4734 A 747AB distance=86' 20397+4734 ES 90AB,C distance=86' 20397+4721 A 748AB distance=87' 20397+4721 A 748Aa,Ab distance=87' 20494+4613 ES 670 distance=87' 20409+4828 ES 808 distance=88' 20567+4754 ES 814AB distance=88' 20567+4754 CRB 14AC distance=88' 20441+4856 HEI 912 distance=89' 20566+4712 HDS2982 distance=91' 20427+4627 TDS1092 distance=91' 20539+4632 ES 673 distance=91' 20437+4619 HO 140 distance=92' 20489+4607 HJ 1581 distance=92' 20389+4741 A 746 distance=93' 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 20481+4738 TDT2547 73 2.5 0
Show 20478+4750 ES 810 40 20.7 12
Show 20478+4754 ES 2253 335 3.4 17
Show 20502+4732 ES 672 166 4.6 23
Show 20496+4805 HJ 1584 223 4.3 31
Show 20450+4718 BRT2274 41 4.9 38
Show 20517+4721 TDT2584 177 2.4 41
Show 20443+4716 TDT2509 180 1.4 45
Show 20437+4733 A 749 306 0.5 45
Show 20482+4653 ES 669 28 6.8 46
Show 20454+4816 UC 254 181 17.9 47
Show 20434+4712 TDT2496 49 1.7 55
Show 20529+4814 ES 812 169 8.5 60
Show 20499+4640 BU 250 7 18.3 62
Show 20522+4653 BRT2278 196 3.2 62
Show 20546+4732 HJ 1594 48 9.1 65
Show 20437+4651 TDS1096 147 0.9 66
Show 20501+4635 ES 671 91 1.6 67
Show 20466+4632 KUI 101 113 0.2 69
Show 20414+4758 ES 809 AB 285 1.6 71
Show 20414+4758 SKF2394 AC 68 3.0 71
Show 20508+4628 BRT2276 AB 254 3.7 75
Show 20508+4628 FYM 314 AC 149 9.5 75
Show 20508+4628 FYM 314 AD 86 11.2 75
Show 20555+4723 TDT2632 Aa,Ab 169 0.6 77
Show 20555+4723 ES 95 AB 268 6.5 77
Show 20555+4723 HJ 1597 AC 127 13.6 77
Show 20555+4722 TOB 201 AB 82 20.0 77
Show 20555+4722 TOB 201 AC 146 13.4 77
Show 20555+4722 TOB 201 AD 114 18.9 77
Show 20555+4722 TOB 201 CD 71 10.3 77
Show 20557+4755 ES 813 237 7.3 80
Show 20431+4637 BRT2273 308 4.7 80
Show 20558+4722 TOB 200 91 11.5 80
Show 20456+4621 HDS2955 289 0.4 82
Show 20470+4901 HDS2962 222 0.1 84
Show 20397+4734 A 747 AB 103 0.3 86
Show 20397+4734 ES 90 AB,C 141 7.1 86
Show 20397+4721 A 748 AB 28 1.4 87
Show 20397+4721 A 748 Aa,Ab 43 0.2 87
Show 20494+4613 ES 670 81 6.5 87
Show 20409+4828 ES 808 157 3.3 88
Show 20567+4754 ES 814 AB 0 6.0 88
Show 20567+4754 CRB 14 AC 58 6.4 88
Show 20441+4856 HEI 912 201 1.7 89
Show 20566+4712 HDS2982 161 0.1 91
Show 20427+4627 TDS1092 315 0.9 91
Show 20539+4632 ES 673 76 5.2 91
Show 20437+4619 HO 140 313 8.0 92
Show 20489+4607 HJ 1581 170 22.4 92
Show 20389+4741 A 746 150 2.0 93

 
 
WDS 20481+4738 : COMPONENTS
 
 
  A
B pa=73.4°
sep=2.50"
 
 
20481+4738 A
 
 
Coord arcsec 2000 204806.85+473818.6 Mag 11.68 PmRA -12.00 PmDE -6.0
 
 
20481+4738 B
 
 
Coord arcsec 2000 204807.09+473819.3 Mag 12.05 PmRA -13.00 PmDE -7.0
Delta magnitude 0.37 Coordinate calculated yes