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Current system
20291+0325
HJ 2968


Nearby doubles
7' : 20294+0330
HJ 2970

16' : 20302+0321
DOO 87

25' : 20278+0311
HJ 917

27' : 20286+0351
HJ 2967

27' : 20274+0317
BAL2025

28' : 20307+0311
BAL2029

29' : 20283+0351
BAL2533

44' : 20309+0400
BAL2538

50' : 20321+0330
J 2573

56' : 20321+0251
BAL2030

57' : 20257+0304
BAL2024

60' : 20298+0227
BAL2027

66' : 20253+0355
UC 4175

66' : 20306+0224
BAL2028

69' : 20247+0302
J 1342

78' : 20285+0443
J 3220

79' : 20324+0426
A 2281

79' : 20310+0211
J 561

80' : 20251+0233
BAL2023

81' : 20341+0256
BAL2031

84' : 20347+0321
CRC 38

84' : 20311+0444
UC 4205

86' : 20251+0225
LDS4841

87' : 20315+0444
BAL2966

91' : 20302+0156
BAL1562

98' : 20267+0155
J 155AB



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.

20291+0325 HJ 2968

 
 
20h 29m 08.01s +03° 25' 06.6" P.A. 50.00 sep 15.3 mag 11.01,11.69
 
 
Coord 2000 20291+0325 Discov num HJ 2968 Comp Coord arcsec 2000 20 29 08.01 +03 25 06.6
Date first 1830 Date last 2015 Obs 11
Pa first 52 Pa last 49.6 P.A. Now (θ) 49.6°
Sep first 12.0 Sep last 15.3 Sep. Now (ρ) 15.3"
Mag pri 11.01 Mag sec 11.69 delta mag (ΔM) 0.68 Spectral class
Pri motion ra -006 Sec motion ra -004
Pri motion dec -011 Sec motion dec -003
Notes N (See Notes)
rPM=0.658
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 0501-02207-1 Gaia DR2 4244811874806475136
 
 
WDS 20291+0325 HJ 2968 : NOTES
 
 
discov_num notes refcode
HJ 2968 BAL 2535.
 
 
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
20291+0325 HJ 2968 2000 4 50 15.4 11.01 11.69 N D 202908.01+032506.6
20291+0325 HJ 2968 2015 6 50 15.3 11.01 11.69 N 202908.01+032506.6

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

 
 
WDS 20291+0325 HJ 2968 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20291+0325 HJ 2968 : MEASURES
 
 
No records found.

 
 
WDS 20291+0325 : VIRTUAL EYEPIECE
 
 

20291+0325 HJ 2968A mag 11.01 20291+0325 HJ 2968B sep 15.3 P.A. 49.50 mag 11.69 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 20291+0325 : ALADIN DSS IMAGE @ 20h 29m 08.01s +03° 25' 06.6"
 
 
 
 
WDS 20291+0325 HJ 2968 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20291+0325 HJ 2968 distance=1' 20294+0330 HJ 2970 distance=7' 20302+0321 DOO 87 distance=16' 20278+0311 HJ 917 distance=25' 20286+0351 HJ 2967 distance=27' 20274+0317 BAL2025 distance=27' 20307+0311 BAL2029 distance=28' 20283+0351 BAL2533 distance=29' 20309+0400 BAL2538 distance=44' 20321+0330 J 2573 distance=50' 20321+0251 BAL2030 distance=56' 20257+0304 BAL2024 distance=57' 20298+0227 BAL2027 distance=60' 20253+0355 UC 4175 distance=66' 20306+0224 BAL2028 distance=66' 20247+0302 J 1342 distance=69' 20285+0443 J 3220 distance=78' 20324+0426 A 2281 distance=79' 20310+0211 J 561 distance=79' 20251+0233 BAL2023 distance=80' 20341+0256 BAL2031 distance=81' 20347+0321 CRC 38 distance=84' 20311+0444 UC 4205 distance=84' 20251+0225 LDS4841 distance=86' 20315+0444 BAL2966 distance=87' 20302+0156 BAL1562 distance=91' 20267+0155 J 155BC distance=97' 20267+0155 J 155AB distance=98' 20263+0156 BAL1557 distance=99' 20340+0433 A 2282 distance=101' 20330+0201 TDT2361 distance=102' 20327+0453 J 2314AB distance=103' 20327+0453 J 2314AC distance=103' 20353+0239 HJ 2981 distance=104' 20253+0453 KPP4195AB distance=106' 20221+0331 UC 4158 distance=106' 20281+0140 BAL1560 distance=107' 20295+0514 UC 4199 distance=109' 20266+0143 BAL1558 distance=110' 20291+0135 GWP2956AB distance=110' 20291+0135 GWP2957AC distance=110' 20351+0218 UC 4224 distance=112' 20312+0513 AG 257 distance=113' 20293+0132 BAL1561 distance=114' 20214+0336 BAL2532AB distance=116' 20214+0336 BAL2532AC distance=116' 20360+0411 J 2192 distance=122' 20351+0202 BAL1564 distance=123' 20373+0332 BAL2539 distance=123' 20213+0250 HLD 158 distance=123' 20212+0249 TOK 730 distance=125' 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 20291+0325 HJ 2968 50 15.3 1
Show 20294+0330 HJ 2970 180 12.0 7
Show 20302+0321 DOO 87 33 11.9 16
Show 20278+0311 HJ 917 37 12.8 25
Show 20286+0351 HJ 2967 131 7.1 27
Show 20274+0317 BAL2025 94 10.2 27
Show 20307+0311 BAL2029 141 7.5 28
Show 20283+0351 BAL2533 256 19.0 29
Show 20309+0400 BAL2538 202 10.8 44
Show 20321+0330 J 2573 151 4.0 50
Show 20321+0251 BAL2030 286 10.8 56
Show 20257+0304 BAL2024 70 16.1 57
Show 20298+0227 BAL2027 171 4.2 60
Show 20253+0355 UC 4175 87 20.7 66
Show 20306+0224 BAL2028 196 9.5 66
Show 20247+0302 J 1342 333 2.4 69
Show 20285+0443 J 3220 181 3.9 78
Show 20324+0426 A 2281 63 1.9 79
Show 20310+0211 J 561 176 4.3 79
Show 20251+0233 BAL2023 330 7.4 80
Show 20341+0256 BAL2031 334 17.4 81
Show 20347+0321 CRC 38 300 10.5 84
Show 20311+0444 UC 4205 254 48.5 84
Show 20251+0225 LDS4841 246 44.6 86
Show 20315+0444 BAL2966 117 10.4 87
Show 20302+0156 BAL1562 308 9.0 91
Show 20267+0155 J 155 BC 164 3.3 97
Show 20267+0155 J 155 AB 348 53.1 98
Show 20263+0156 BAL1557 211 6.4 99
Show 20340+0433 A 2282 166 0.2 101
Show 20330+0201 TDT2361 37 0.5 102
Show 20327+0453 J 2314 AB 70 4.9 103
Show 20327+0453 J 2314 AC 138 19.0 103
Show 20353+0239 HJ 2981 5 12.9 104
Show 20253+0453 KPP4195 AB 16 11.7 106
Show 20221+0331 UC 4158 218 20.6 106
Show 20281+0140 BAL1560 3 6.6 107
Show 20295+0514 UC 4199 240 54.1 109
Show 20266+0143 BAL1558 9 18.3 110
Show 20291+0135 GWP2956 AB 250 16.5 110
Show 20291+0135 GWP2957 AC 258 172.4 110
Show 20351+0218 UC 4224 220 16.1 112
Show 20312+0513 AG 257 75 1.7 113
Show 20293+0132 BAL1561 8 15.8 114
Show 20214+0336 BAL2532 AB 271 5.3 116
Show 20214+0336 BAL2532 AC 22 7.3 116
Show 20360+0411 J 2192 18 4.8 122
Show 20351+0202 BAL1564 268 4.8 123
Show 20373+0332 BAL2539 77 130.2 123
Show 20213+0250 HLD 158 41 1.2 123
Show 20212+0249 TOK 730 146 0.2 125

 
 
WDS 20291+0325 : COMPONENTS
 
 
  A
B pa=49.5°
sep=15.28"
 
 
20291+0325 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202908.01+032506.6 Mag 11.01 PmRA -6.00
PmDE -11.0 Tycho2 0501-02207-1
Tycho2
Tycho2 0501-02207-1 Pflag RAmdeg 307.28338174 DEmdeg 3.41850255
PmRA -5.7 PmDE -13.0 E RAmdeg 38 E DEmdeg 36
E pmRA 1.5 E pmDE 1.5 EpRAm 1978.73 EpDEm 1976.66
Num 5 Q RAmdeg 1.3 Q DEmdeg 1.8 Q pmRA 1.3
Q pmDE 1.7 BTmag 11.921 E BTmag 0.118 VTmag 11.010
E VTmag 0.085 Prox 151 TYC T HIP
CCDM RAdeg 307.28339472 DEdeg 3.41851139 EpRA 1990 1.66
EpDE 1990 1.34 E RAdeg 51.3 E DEdeg 70.0 Posflg
Corr -0.2
 
 
20291+0325 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202908.79+032516.5 Mag 11.69 PmRA -4.00
PmDE -3.0 Tycho2 0501-02161-1 Calc delta mag 0.68 Calc coord yes
Tycho2
Tycho2 0501-02161-1 Pflag RAmdeg 307.28651580 DEmdeg 3.42129777
PmRA -10.9 PmDE 1.6 E RAmdeg 84 E DEmdeg 105
E pmRA 2.6 E pmDE 2.8 EpRAm 1975.74 EpDEm 1965.24
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 13.069 E BTmag 0.357 VTmag 11.692
E VTmag 0.164 Prox 151 TYC HIP
CCDM RAdeg 307.28654083 DEdeg 3.42129389 EpRA 1990 1.66
EpDE 1990 1.34 E RAdeg 93.5 E DEdeg 128.2 Posflg
Corr -0.2