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Doubles in session


Current system
21090+0410
HJ 5515 AB


Nearby doubles
10' : 21093+0410
BU 1330AB

18' : 21091+0429
J 848

28' : 21069+0405
BAL2555

39' : 21101+0341
BAL2558

40' : 21109+0352
HO 151

48' : 21102+0331
UC 4396

50' : 21094+0502
STT 429

52' : 21069+0458
UC 4382

57' : 21080+0509
STT 527

64' : 21126+0437
HJ 3013

70' : 21041+0359
TOK 371

75' : 21129+0333
UC 4407

80' : 21139+0427
BAL2977

82' : 21032+0411
BAL2554

84' : 21063+0257
BAL2046

87' : 21080+0539
HJ 3011AB

92' : 21140+0457
GWP3048

92' : 21145+0441
BU 682AB

93' : 21147+0354
UC 4420

96' : 21105+0241
SKF1594

97' : 21149+0440
BAL2979

98' : 21096+0550
TDT2793

99' : 21046+0530
BUP 223

101' : 21041+0300
WSI 6AB

102' : 21049+0250
BAL2044

103' : 21020+0436
CVR 884



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.

21090+0410 HJ 5515 AB

 
 
21h 08m 40.30s +04° 13' 19.8" P.A. 126.00 sep 14.4 mag 12.44,12.62
 
 
Coord 2000 21090+0410 Discov num HJ 5515 Comp AB Coord arcsec 2000 21 08 40.30 +04 13 19.8
Date first 1910 Date last 2015 Obs 7
Pa first 112 Pa last 126.3 P.A. Now (θ) 126.3°
Sep first 14.1 Sep last 14.413 Sep. Now (ρ) 14.413"
Mag pri 12.44 Mag sec 12.62 delta mag (ΔM) 0.18 Spectral class
Pri motion ra +012 Sec motion ra +000
Pri motion dec -006 Sec motion dec -040
Notes N (See Notes)
rPM=0.901
This double is not physical.
 
 
21090+0410 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 08 40 +04 13 20 HJ 5515 AB 2015 7 126 14.4 12.44 12.62 0.18 <===
Show 21 08 40 +04 13 20 HJ 5515 AC 2015 6 68 47.8 12.40 12.70 0.30
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Equuleus Gaia DR2 1732150621031302144
 
 
WDS 21090+0410 HJ 5515 AB : NOTES
 
 
discov_num notes refcode
HJ 5515 Nothing in the vicinity matches Herschel's theta value. However, if
either he meant the separation was 15" or his theta has a 90deg error,
this pair appears to be the most likely match.
 
 
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
21090+0410 HJ 5515 AB 2000 2 125 14.2 12.44 12.62 N D 210840.30+041319.8
21090+0410 HJ 5515 AB 2010 4 126 14.3 12.44 12.62 N 210840.30+041319.8
21090+0410 HJ 5515 AB 2015 4 126 14.4 12.44 12.62 N 210840.30+041319.8

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

 
 
WDS 21090+0410 HJ 5515 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21090+0410 HJ 5515 AB : MEASURES
 
 
No records found.

 
 
WDS 21090+0410 : VIRTUAL EYEPIECE
 
 

21090+0410 HJ 5515A mag 12.44 21090+0410 HJ 5515B sep 14.4 P.A. 126.40 mag 12.62 21090+0410 HJ 5515C sep 47.7 P.A. 67.70 mag 12.7 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 21090+0410 : ALADIN DSS IMAGE @ 21h 08m 40.30s +04° 13' 19.8"
 
 
 
 
WDS 21090+0410 HJ 5515 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21090+0410 HJ 5515AB distance=0' 21093+0410 BU 1330AB distance=10' 21091+0429 J 848 distance=18' 21069+0405 BAL2555 distance=28' 21101+0341 BAL2558 distance=39' 21109+0352 HO 151 distance=40' 21102+0331 UC 4396 distance=48' 21094+0502 STT 429 distance=50' 21069+0458 UC 4382 distance=52' 21080+0509 STT 527 distance=57' 21126+0437 HJ 3013 distance=64' 21041+0359 TOK 371 distance=70' 21047+0332 SE 3Aa,Ab distance=72' 21047+0332 STF2749A,BC distance=72' 21047+0332 SE 3AD distance=72' 21047+0332 STF2749AC distance=72' 21047+0332 SE 3BC distance=72' 21129+0333 UC 4407 distance=75' 21139+0427 BAL2977 distance=80' 21032+0411 BAL2554 distance=82' 21063+0257 BAL2046 distance=84' 21080+0539 BU 9018CD distance=86' 21080+0539 HJ 3011AB distance=87' 21080+0539 BU 9018AC distance=87' 21140+0457 GWP3048 distance=92' 21145+0441 BU 682AB distance=92' 21145+0441 BU 682AC distance=92' 21147+0354 UC 4420 distance=93' 21105+0241 SKF1594 distance=96' 21149+0440 BAL2979 distance=97' 21096+0550 TDT2793 distance=98' 21046+0530 BUP 223 distance=99' 21041+0300 WSI 6AB distance=101' 21041+0300 DSG 6Aa,Ab distance=101' 21049+0250 BAL2044 distance=102' 21020+0436 CVR 884 distance=103' 21020+0346 HO 148 distance=104' 21156+0419 TDT2865 distance=105' 21091+0227 BAL2048 distance=107' 21130+0248 BU 1303 distance=108' 21021+0329 CVR 236 distance=108' 21056+0233 BAL2045 distance=111' 21024+0513 A 615 distance=112' 21054+0557 BUP 224 distance=115' 21164+0421 GRV 442 distance=117' 21009+0419 BAL2553 distance=118' 21033+0245 BAL2043 distance=119' 21138+0545 KPP3367 distance=120' 21017+0310 BAL2042 distance=122' 21054+0221 KPP1782 distance=123' 21061+0217 RST5476 distance=123' 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 21090+0410 HJ 5515 AB 126 14.4
Show 21090+0410 HJ 5515 AC 68 47.8
Show 21093+0410 BU 1330 AB 54 3.7 10
Show 21091+0429 J 848 141 2.8 18
Show 21069+0405 BAL2555 164 17.1 28
Show 21101+0341 BAL2558 38 2.2 39
Show 21109+0352 HO 151 17 1.6 40
Show 21102+0331 UC 4396 215 59.1 48
Show 21094+0502 STT 429 -1 -1.0 50
Show 21069+0458 UC 4382 272 53.5 52
Show 21080+0509 STT 527 114 0.4 57
Show 21126+0437 HJ 3013 119 11.3 64
Show 21041+0359 TOK 371 272 0.1 70
Show 21047+0332 SE 3 Aa,Ab 153 0.6 72
Show 21047+0332 STF2749 A,BC 179 3.2 72
Show 21047+0332 SE 3 AD 78 114.3 72
Show 21047+0332 STF2749 AC 176 3.5 72
Show 21047+0332 SE 3 BC 136 0.7 72
Show 21129+0333 UC 4407 306 58.2 75
Show 21139+0427 BAL2977 305 17.1 80
Show 21032+0411 BAL2554 307 21.3 82
Show 21063+0257 BAL2046 57 2.4 84
Show 21080+0539 BU 9018 CD 340 6.0 86
Show 21080+0539 HJ 3011 AB 273 10.6 87
Show 21080+0539 BU 9018 AC 252 139.3 87
Show 21140+0457 GWP3048 278 115.4 92
Show 21145+0441 BU 682 AB 102 5.7 92
Show 21145+0441 BU 682 AC 179 93.0 92
Show 21147+0354 UC 4420 80 51.3 93
Show 21105+0241 SKF1594 288 3.3 96
Show 21149+0440 BAL2979 182 11.5 97
Show 21096+0550 TDT2793 354 0.5 98
Show 21046+0530 BUP 223 252 82.5 99
Show 21041+0300 WSI 6 AB 53 0.1 101
Show 21041+0300 DSG 6 Aa,Ab 155 0.0 101
Show 21049+0250 BAL2044 273 18.8 102
Show 21020+0436 CVR 884 312 11.4 103
Show 21020+0346 HO 148 201 2.2 104
Show 21156+0419 TDT2865 112 2.1 105
Show 21091+0227 BAL2048 95 6.7 107
Show 21130+0248 BU 1303 234 4.2 108
Show 21021+0329 CVR 236 279 69.7 108
Show 21056+0233 BAL2045 33 7.2 111
Show 21024+0513 A 615 129 3.5 112
Show 21054+0557 BUP 224 301 30.4 115
Show 21164+0421 GRV 442 181 52.9 117
Show 21009+0419 BAL2553 110 10.6 118
Show 21033+0245 BAL2043 205 18.4 119
Show 21138+0545 KPP3367 245 1.8 120
Show 21017+0310 BAL2042 128 8.1 122
Show 21054+0221 KPP1782 210 13.8 123

 
 
WDS 21090+0410 : COMPONENTS
 
 
  A B
B pa=126.4°
sep=14.39"
 
C pa=67.7°
sep=47.73"
pa=50.8°
sep=42.08"
 
 
21090+0410 A
 
 
Coord arcsec 2000 210840.30+041319.8 Mag 12.44 PmRA 12.00 PmDE -6.0
 
 
21090+0410 B
 
 
Coord arcsec 2000 210841.07+041311.3 Mag 12.62 PmRA 0.00 PmDE -40.0
Calc delta mag 0.18 Calc coord yes
 
 
21090+0410 C
 
 
Coord arcsec 2000 210843.25+041337.9 Mag 12.7 PmRA 1.00 PmDE 3.0
Calc delta mag 0.26 Calc coord yes