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Current system
20256+6018
HJ 2972


Nearby doubles
7' : 20257+6011
A 731

11' : 20249+6027
TDT2250

16' : 20245+6004
TDT2243

17' : 20234+6018
TDT2230

17' : 20252+6001
MLR 433

18' : 20262+6001
STI 980

21' : 20284+6015
A 733

36' : 20232+5946
MLR 432

40' : 20258+5938
TDT2261

42' : 20212+6043
STI 970

42' : 20210+6041
MLB 140

42' : 20251+5936
A 730

42' : 20201+6010
TDT2178

46' : 20211+6048
FOX 92

47' : 20289+5939
HJ 2978

47' : 20226+5937
STI 972

48' : 20310+5953
HDS2933

52' : 20187+6013
A 724

53' : 20293+5932
ES 1759AB

54' : 20234+6108
STI 974

54' : 20313+5945
A 737

56' : 20200+5940
STI 967

58' : 20286+5924
ADP 6

61' : 20251+6118
MLR 503

61' : 20176+6005
STI 960

63' : 20308+6107
HU 761



Selections
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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.

20256+6018 HJ 2972

 
 
20h 25m 35.21s +60° 17' 26.3" P.A. 242.00 sep 11.6 mag 10.95,13.90
 
 
Coord 2000 20256+6018 Discov num HJ 2972 Comp Coord arcsec 2000 20 25 35.21 +60 17 26.3
Date first 1831 Date last 2015 Obs 13
Pa first 250 Pa last 242.1 P.A. Now (θ) 242.1°
Sep first 7.0 Sep last 11.566 Sep. Now (ρ) 11.566"
Mag pri 10.95 Mag sec 13.90 delta mag (ΔM) 2.95 Spectral class
Pri motion ra -012 Sec motion ra -004
Pri motion dec -011 Sec motion dec -014
Notes
rPM=0.525
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Tycho2 4233-02000-1 Gaia DR2 2194737157363765120
 
 
WDS 20256+6018 HJ 2972 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20256+6018 HJ 2972 1999 6 242 11.7 10.95 13.90 D 202535.21+601726.3
20256+6018 HJ 2972 2003 7 242 11.4 10.95 13.90 D 202535.21+601726.3
20256+6018 HJ 2972 2010 8 243 10.8 10.95 13.90 202535.21+601726.3
20256+6018 HJ 2972 2015 9 242 11.6 10.95 13.90 202535.21+601726.3

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

 
 
WDS 20256+6018 HJ 2972 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20256+6018 HJ 2972 : MEASURES
 
 
No records found.

 
 
WDS 20256+6018 : VIRTUAL EYEPIECE
 
 

20256+6018 HJ 2972A mag 10.95 20256+6018 HJ 2972B sep 7.4 P.A. 223.10 mag 13.9 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 20256+6018 : ALADIN DSS IMAGE @ 20h 25m 35.21s +60° 17' 26.3"
 
 
 
 
WDS 20256+6018 HJ 2972 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20256+6018 HJ 2972 distance=0' 20257+6011 A 731 distance=7' 20249+6027 TDT2250 distance=11' 20245+6004 TDT2243 distance=16' 20234+6018 TDT2230 distance=17' 20252+6001 MLR 433 distance=17' 20262+6001 STI 980 distance=18' 20284+6015 A 733 distance=21' 20232+5946 MLR 432 distance=36' 20258+5938 TDT2261 distance=40' 20212+6043 STI 970 distance=42' 20210+6041 MLB 140 distance=42' 20251+5936 A 730 distance=42' 20201+6010 TDT2178 distance=42' 20211+6048 FOX 92 distance=46' 20289+5939 HJ 2978 distance=47' 20226+5937 STI 972 distance=47' 20310+5953 HDS2933 distance=48' 20187+6013 A 724 distance=52' 20293+5932 ES 1759AB distance=53' 20293+5932 ES 1759AC distance=53' 20234+6108 STI 974 distance=54' 20313+5945 A 737 distance=54' 20200+5940 STI 967 distance=56' 20286+5924 ADP 6 distance=58' 20251+6118 MLR 503 distance=61' 20176+6005 STI 960 distance=61' 20308+6107 HU 761 distance=63' 20168+5957 OSW 75 distance=69' 20202+6118 LDS1471 distance=74' 20331+6109 MLR 504 distance=75' 20313+6121 STI 987 distance=77' 20335+5929 STI 988 distance=77' 20354+5956 SHN 246 distance=77' 20268+5900 HJ 1522 distance=78' 20330+5922 TDT2359 distance=79' 20185+6122 LDS1469 distance=83' 20369+6034 MLR 505 distance=86' 20227+5850 HJ 2965 distance=90' 20194+6135 STI 966 distance=90' 20147+5940 STI 957 distance=90' 20303+5851 STI2538 distance=95' 20129+6023 HJ 2944 distance=95' 20378+6045 STF2717AB distance=95' 20378+6045 STF2717AC distance=95' 20127+6017 SKF1766 distance=97' 20193+6142 TDT2165 distance=97' 20138+5922 STI 956 distance=105' 20193+6152 STI 965 distance=105' 20207+6157 STI 968 distance=106' 20371+6122 SHY 780 distance=107' 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 20256+6018 HJ 2972 242 11.6
Show 20257+6011 A 731 217 2.3 7
Show 20249+6027 TDT2250 349 1.4 11
Show 20245+6004 TDT2243 355 1.0 16
Show 20234+6018 TDT2230 142 0.7 17
Show 20252+6001 MLR 433 160 0.3 17
Show 20262+6001 STI 980 231 8.2 18
Show 20284+6015 A 733 170 1.1 21
Show 20232+5946 MLR 432 36 0.2 36
Show 20258+5938 TDT2261 134 2.0 40
Show 20212+6043 STI 970 152 12.8 42
Show 20210+6041 MLB 140 123 5.1 42
Show 20251+5936 A 730 282 0.2 42
Show 20201+6010 TDT2178 136 1.6 42
Show 20211+6048 FOX 92 84 5.2 46
Show 20289+5939 HJ 2978 277 14.1 47
Show 20226+5937 STI 972 337 14.8 47
Show 20310+5953 HDS2933 9 0.4 48
Show 20187+6013 A 724 127 1.2 52
Show 20293+5932 ES 1759 AB 211 2.6 53
Show 20293+5932 ES 1759 AC 308 5.1 53
Show 20234+6108 STI 974 58 7.8 54
Show 20313+5945 A 737 65 1.5 54
Show 20200+5940 STI 967 117 15.1 56
Show 20286+5924 ADP 6 159 4.4 58
Show 20251+6118 MLR 503 3 0.2 61
Show 20176+6005 STI 960 83 3.9 61
Show 20308+6107 HU 761 128 0.5 63
Show 20168+5957 OSW 75 91 23.1 69
Show 20202+6118 LDS1471 142 8.4 74
Show 20331+6109 MLR 504 198 0.9 75
Show 20313+6121 STI 987 36 5.4 77
Show 20335+5929 STI 988 212 11.0 77
Show 20354+5956 SHN 246 -1 0.4 77
Show 20268+5900 HJ 1522 88 22.6 78
Show 20330+5922 TDT2359 113 2.0 79
Show 20185+6122 LDS1469 345 9.7 83
Show 20369+6034 MLR 505 138 0.5 86
Show 20227+5850 HJ 2965 82 15.1 90
Show 20194+6135 STI 966 143 7.0 90
Show 20147+5940 STI 957 319 4.7 90
Show 20303+5851 STI2538 333 12.1 95
Show 20129+6023 HJ 2944 196 25.0 95
Show 20378+6045 STF2717 AB 259 2.1 95
Show 20378+6045 STF2717 AC 52 40.8 95
Show 20127+6017 SKF1766 114 1.3 97
Show 20193+6142 TDT2165 15 1.3 97
Show 20138+5922 STI 956 227 8.9 105
Show 20193+6152 STI 965 315 11.8 105
Show 20207+6157 STI 968 87 12.9 106
Show 20371+6122 SHY 780 100 999.9 107

 
 
WDS 20256+6018 : COMPONENTS
 
 
  A
B pa=223.1°
sep=7.41"
 
 
20256+6018 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202535.21+601726.3 Mag 10.95 PmRA -12.00
PmDE -11.0 Tycho2 4233-02000-1
Tycho2
Tycho2 4233-02000-1 Pflag RAmdeg 306.39674261 DEmdeg 60.29064224
PmRA -13.9 PmDE -11.9 E RAmdeg 34 E DEmdeg 38
E pmRA 2.2 E pmDE 2.2 EpRAm 1987.34 EpDEm 1987.37
Num 7 Q RAmdeg 1.0 Q DEmdeg 1.6 Q pmRA 1.0
Q pmDE 1.6 BTmag 11.386 E BTmag 0.066 VTmag 10.951
E VTmag 0.067 Prox 999 TYC T HIP
CCDM RAdeg 306.39682389 DEdeg 60.29066917 EpRA 1990 1.66
EpDE 1990 1.73 E RAdeg 39.3 E DEdeg 41.2 Posflg
Corr 0.0
 
 
20256+6018 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202534.53+601720.9 Mag 13.9 PmRA -4.00
PmDE -14.0 Calc delta mag 2.95 Calc coord yes