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20556+2845
BRT 53


Nearby doubles
20' : 20562+2826
GRV 397

27' : 20539+2856
GRV 392

28' : 20565+2910
MLB 485AB

29' : 20562+2816
MLB 615

37' : 20531+2856
MLB 535

38' : 20551+2808
COU 831

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BU 367AB

40' : 20559+2804
MLB 614

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J 794

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STT 417AB

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BRT 52

46' : 20581+2917
HO 598

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HJ 1589

50' : 20576+2802
HJ 1599

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BOW9002AB

57' : 20522+2917
KU 129AB

62' : 20535+2751
MLB 572

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J 3122AB

64' : 20579+2940
MLB 573AB

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J 3119

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COU1040AB

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TDT2627

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BRT 54

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TDT2619

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HO 460AB

70' : 20545+2736
MLB 714



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

20556+2845 BRT 53

 
 
20h 55m 41.99s +28° 44' 11.0" P.A. 25.00 sep 2.6 mag 11.91,12.10
 
 
Coord 2000 20556+2845 Discov num BRT  53 Comp Coord arcsec 2000 20 55 41.99 +28 44 11.0
Date first 1894 Date last 1894 Obs 1
Pa first 25 Pa last 25.1 P.A. Now (θ) 25.1°
Sep first 2.6 Sep last 2.637 Sep. Now (ρ) 2.637"
Mag pri 11.91 Mag sec 12.10 delta mag (ΔM) 0.19 Spectral class
Pri motion ra 013 Sec motion ra
Pri motion dec 003 Sec motion dec
Notes N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 2183-01770-1 Gaia DR2 1846292851559290880
 
 
WDS 20556+2845 BRT 53 : NOTES
 
 
discov_num notes refcode
BRT 53 Not found by Heintz at IDS position. Hei1990b
A likely plate flaw. Grv2021b
 
 
REFERENCES
 
 
refcode metd author reference
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
Hei1990b M+ j Heintz, W.D. 1990ApJS...74..275H
Hei1990b +Po ApJS 74, 275, 1990
 
 
DISCOVERER
 
 
idgroup discov author
1 BRT Barton, S.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20556+2845 BRT 53 1894 1 25 2.6 11.91 12.10 N 205541.99+284411.0

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

 
 
WDS 20556+2845 BRT 53 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20556+2845 BRT 53 : MEASURES
 
 
No records found.

 
 
WDS 20556+2845 : VIRTUAL EYEPIECE
 
 

20556+2845 BRT 53A mag 11.91 20556+2845 BRT 53B sep 2.6 P.A. 22.30 mag 12.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20556+2845 : ALADIN DSS IMAGE @ 20h 55m 41.99s +28° 44' 11.0"
 
 
 
 
WDS 20556+2845 BRT 53 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20556+2845 BRT 53 distance=0' 20562+2826 GRV 397 distance=20' 20539+2856 GRV 392 distance=27' 20565+2910 MLB 485AB distance=28' 20562+2816 MLB 615 distance=29' 20531+2856 MLB 535 distance=37' 20551+2808 COU 831 distance=38' 20550+2805 BU 367AB distance=40' 20550+2805 A 3109AB,E distance=40' 20550+2805 BU 367AB,C distance=40' 20550+2805 BU 367AB,D distance=40' 20559+2804 MLB 614 distance=40' 20572+2921 J 794 distance=42' 20531+2909 STT 417AB distance=43' 20531+2909 STT 417AB,C distance=43' 20523+2839 BRT 52 distance=45' 20581+2917 HO 598 distance=46' 20537+2803 HJ 1589 distance=49' 20576+2802 HJ 1599 distance=50' 20529+2920 BOW9002AB distance=51' 20529+2920 DAM 295AC distance=51' 20522+2917 KU 129AB distance=57' 20522+2917 KU 129AC distance=57' 20535+2751 MLB 572 distance=62' 20599+2813 J 3122AB distance=62' 20599+2813 DAM 225AB,C distance=62' 20599+2813 DAM 225AB,D distance=62' 20579+2940 MLB 573AB distance=64' 20579+2940 MLB 573AC distance=64' 20590+2929 J 3119 distance=65' 21006+2829 COU1040AB distance=66' 20549+2740 TDT2627 distance=66' 21007+2844 BRT 54 distance=66' 20543+2740 TDT2619 distance=68' 20560+2735 HO 460AB distance=70' 20560+2735 HO 460AC distance=70' 20545+2736 MLB 714 distance=70' 20563+2954 J 1779 distance=71' 21001+2801 MLB 617 distance=72' 21001+2757 MLB 618 distance=74' 21007+2920 AZC 109 distance=75' 20497+2825 MLB 534 distance=81' 20578+3002 J 2334 distance=81' 20576+3003 J 2333AB distance=82' 20576+3003 DAM 669AC distance=82' 20596+2740 MLB 616 distance=82' 20501+2923 BAG 28AB distance=83' 20501+2923 HLA 29AC distance=83' 20494+2840 CBL 86 distance=83' 20496+2819 GRV 385 distance=84' 20579+3002 TDT2662 distance=84' 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 20556+2845 BRT 53 25 2.6
Show 20562+2826 GRV 397 339 58.2 20
Show 20539+2856 GRV 392 3 33.8 27
Show 20565+2910 MLB 485 AB 154 4.5 28
Show 20562+2816 MLB 615 200 3.6 29
Show 20531+2856 MLB 535 2 7.1 37
Show 20551+2808 COU 831 289 1.3 38
Show 20550+2805 BU 367 AB 224 0.1 40
Show 20550+2805 A 3109 AB,E 51 49.2 40
Show 20550+2805 BU 367 AB,C 358 38.0 40
Show 20550+2805 BU 367 AB,D 67 19.6 40
Show 20559+2804 MLB 614 75 8.7 40
Show 20572+2921 J 794 134 3.2 42
Show 20531+2909 STT 417 AB 27 0.9 43
Show 20531+2909 STT 417 AB,C 108 30.8 43
Show 20523+2839 BRT 52 87 8.8 45
Show 20581+2917 HO 598 125 16.2 46
Show 20537+2803 HJ 1589 325 11.3 49
Show 20576+2802 HJ 1599 225 13.5 50
Show 20529+2920 BOW9002 AB 354 9.9 51
Show 20529+2920 DAM 295 AC 37 22.2 51
Show 20522+2917 KU 129 AB 103 15.1 57
Show 20522+2917 KU 129 AC 39 46.1 57
Show 20535+2751 MLB 572 298 1.7 62
Show 20599+2813 J 3122 AB 53 2.3 62
Show 20599+2813 DAM 225 AB,C 323 10.2 62
Show 20599+2813 DAM 225 AB,D 305 9.3 62
Show 20579+2940 MLB 573 AB 57 5.7 64
Show 20579+2940 MLB 573 AC 232 23.7 64
Show 20590+2929 J 3119 140 8.4 65
Show 21006+2829 COU1040 AB 347 1.5 66
Show 20549+2740 TDT2627 79 1.1 66
Show 21007+2844 BRT 54 358 7.0 66
Show 20543+2740 TDT2619 312 0.5 68
Show 20560+2735 HO 460 AB 112 13.3 70
Show 20560+2735 HO 460 AC 257 37.7 70
Show 20545+2736 MLB 714 202 4.3 70
Show 20563+2954 J 1779 246 2.5 71
Show 21001+2801 MLB 617 331 8.6 72
Show 21001+2757 MLB 618 339 7.3 74
Show 21007+2920 AZC 109 324 34.8 75
Show 20497+2825 MLB 534 134 5.3 81
Show 20578+3002 J 2334 16 5.1 81
Show 20576+3003 J 2333 AB 328 7.7 82
Show 20576+3003 DAM 669 AC 244 4.4 82
Show 20596+2740 MLB 616 233 4.1 82
Show 20501+2923 BAG 28 AB 332 1.0 83
Show 20501+2923 HLA 29 AC 336 6.9 83
Show 20494+2840 CBL 86 317 53.7 83
Show 20496+2819 GRV 385 40 51.0 84
Show 20579+3002 TDT2662 100 1.5 84

 
 
WDS 20556+2845 : COMPONENTS
 
 
  A
B pa=22.3°
sep=2.58"
 
 
20556+2845 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205541.99+284411.0 Mag 11.91 PmRA 13.00
PmDE 3.0 Tycho2 2183-01770-1
Tycho2
Tycho2 2183-01770-1 Pflag RAmdeg 313.92494403 DEmdeg 28.73641432
PmRA 13.0 PmDE 3.2 E RAmdeg 146 E DEmdeg 165
E pmRA 3.8 E pmDE 3.9 EpRAm 1972.86 EpDEm 1966.08
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.869 E BTmag 0.251 VTmag 11.913
E VTmag 0.166 Prox 999 TYC HIP
CCDM RAdeg 313.92490944 DEdeg 28.73640694 EpRA 1990 1.69
EpDE 1990 1.60 E RAdeg 163.1 E DEdeg 192.2 Posflg
Corr -0.2
 
 
20556+2845 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205542.06+284413.4 Mag 12.1 Calc delta mag 0.19
Calc coord yes