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Doubles in session


Current system
21564+2335
HJ 1708


Nearby doubles
9' : 21564+2344
POU5578

14' : 21559+2347
TDT3246

19' : 21561+2354
POU5575

21' : 21551+2345
POU5564

22' : 21568+2357
POU5580

23' : 21548+2340
POU5561

23' : 21574+2354
POU5585

24' : 21556+2356
POU5571

24' : 21547+2334
POU5560

31' : 21575+2402
LDS4927

33' : 21556+2406
POU5572

35' : 21573+2408
POU5584

37' : 21567+2412
POU5579

39' : 21590+2349
POU5596

42' : 21535+2347
POU5550

44' : 21545+2411
POU5559

45' : 21561+2420
STT 454AB

46' : 21542+2409
POU5556

47' : 21551+2417
POU5563

47' : 21549+2417
POU5562

49' : 21596+2356
POU5601

50' : 21587+2258
TDT3270

51' : 21553+2424
POU5568AB

51' : 21533+2404
POU5548

52' : 21529+2354
POU5545

52' : 21598+2356
STF2850



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.

21564+2335 HJ 1708

 
 
21h 56m 23.58s +23° 35' 38.0" P.A. 236.00 sep 7.2 mag 10.10,10.30
 
 
Coord 2000 21564+2335 Discov num HJ 1708 Comp Coord arcsec 2000 21 56 23.58 +23 35 38.0
Date first 1828 Date last 2016 Obs 14
Pa first 240 Pa last 236 P.A. Now (θ) 236°
Sep first 3.0 Sep last 7.239 Sep. Now (ρ) 7.239"
Mag pri 10.10 Mag sec 10.30 delta mag (ΔM) 0.2 Spectral class
Pri motion ra +000 Sec motion ra -003
Pri motion dec -010 Sec motion dec -011
Notes
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 1795114330489993728
 
 
WDS 21564+2335 HJ 1708 : 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
21564+2335 HJ 1708 1999 5 236 7.2 10.10 10.30 D 215623.58+233538.0
21564+2335 HJ 1708 2010 7 236 7.0 10.10 10.30 D 215623.58+233538.0
21564+2335 HJ 1708 2016 9 237 7.2 10.10 10.30 215623.58+233538.0

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

 
 
WDS 21564+2335 HJ 1708 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21564+2335 HJ 1708 : MEASURES
 
 
No records found.

 
 
WDS 21564+2335 : VIRTUAL EYEPIECE
 
 

21564+2335 HJ 1708A mag 10.1 21564+2335 HJ 1708B sep 6.8 P.A. 233.60 mag 10.3 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 21564+2335 : ALADIN DSS IMAGE @ 21h 56m 23.58s +23° 35' 38.0"
 
 
 
 
WDS 21564+2335 HJ 1708 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21564+2335 HJ 1708 distance=0' 21564+2344 POU5578 distance=9' 21559+2347 TDT3246 distance=14' 21561+2354 POU5575 distance=19' 21551+2345 POU5564 distance=21' 21568+2357 POU5580 distance=22' 21548+2340 POU5561 distance=23' 21574+2354 POU5585 distance=23' 21556+2356 POU5571 distance=24' 21547+2334 POU5560 distance=24' 21575+2402 LDS4927 distance=31' 21556+2406 POU5572 distance=33' 21573+2408 POU5584 distance=35' 21567+2412 POU5579 distance=37' 21590+2349 POU5596 distance=39' 21535+2347 POU5550 distance=42' 21545+2411 POU5559 distance=44' 21561+2420 STT 454AB distance=45' 21561+2420 STT 454AC distance=45' 21542+2409 POU5556 distance=46' 21551+2417 POU5563 distance=47' 21549+2417 POU5562 distance=47' 21596+2356 POU5601 distance=49' 21587+2258 TDT3270 distance=50' 21553+2424 POU5568AB distance=51' 21553+2424 POU5569AC distance=51' 21553+2424 POU5570AD distance=51' 21533+2404 POU5548 distance=51' 21529+2354 POU5545 distance=52' 21598+2356 STF2850 distance=52' 21596+2407 POU5600 distance=54' 21590+2417 POU5595 distance=55' 21524+2348 POU5540 distance=56' 21523+2345 CVR 253 distance=58' 21543+2425 POU5557 distance=58' 21530+2412 POU5546 distance=60' 21588+2427 COU 839 distance=62' 21593+2424 POU5598 distance=63' 22005+2406 POU5607 distance=65' 21578+2437 POU5590 distance=65' 21580+2235 UC 4614 distance=66' 22003+2415 POU5606 distance=67' 21576+2440 POU5589 distance=67' 22013+2347 POU5613 distance=69' 22006+2411 POU5609 distance=69' 21583+2440 POU5592 distance=69' 21514+2352 POU5535 distance=71' 21574+2446 POU5586 distance=72' 21596+2239 LDS4933 distance=73' 21527+2429 POU5541 distance=75' 22018+2334 HO 176 distance=75' 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 21564+2335 HJ 1708 236 7.2
Show 21564+2344 POU5578 86 3.4 9
Show 21559+2347 TDT3246 99 0.7 14
Show 21561+2354 POU5575 267 16.3 19
Show 21551+2345 POU5564 110 16.8 21
Show 21568+2357 POU5580 140 15.1 22
Show 21548+2340 POU5561 309 10.4 23
Show 21574+2354 POU5585 75 5.1 23
Show 21556+2356 POU5571 314 17.3 24
Show 21547+2334 POU5560 269 16.3 24
Show 21575+2402 LDS4927 10 31.4 31
Show 21556+2406 POU5572 277 20.4 33
Show 21573+2408 POU5584 324 19.7 35
Show 21567+2412 POU5579 314 6.8 37
Show 21590+2349 POU5596 353 18.3 39
Show 21535+2347 POU5550 123 9.3 42
Show 21545+2411 POU5559 292 12.7 44
Show 21561+2420 STT 454 AB 278 7.4 45
Show 21561+2420 STT 454 AC 264 43.0 45
Show 21542+2409 POU5556 183 1.7 46
Show 21551+2417 POU5563 115 4.2 47
Show 21549+2417 POU5562 44 3.0 47
Show 21596+2356 POU5601 313 17.1 49
Show 21587+2258 TDT3270 270 0.5 50
Show 21553+2424 POU5568 AB 259 12.4 51
Show 21553+2424 POU5569 AC 116 4.4 51
Show 21553+2424 POU5570 AD 127 9.1 51
Show 21533+2404 POU5548 191 3.6 51
Show 21529+2354 POU5545 123 18.8 52
Show 21598+2356 STF2850 264 2.8 52
Show 21596+2407 POU5600 332 15.8 54
Show 21590+2417 POU5595 298 6.7 55
Show 21524+2348 POU5540 283 11.1 56
Show 21523+2345 CVR 253 98 40.0 58
Show 21543+2425 POU5557 21 9.4 58
Show 21530+2412 POU5546 35 10.6 60
Show 21588+2427 COU 839 95 0.3 62
Show 21593+2424 POU5598 86 4.9 63
Show 22005+2406 POU5607 73 7.6 65
Show 21578+2437 POU5590 137 10.3 65
Show 21580+2235 UC 4614 229 12.4 66
Show 22003+2415 POU5606 296 13.4 67
Show 21576+2440 POU5589 24 13.3 67
Show 22013+2347 POU5613 20 14.9 69
Show 22006+2411 POU5609 150 8.6 69
Show 21583+2440 POU5592 98 9.3 69
Show 21514+2352 POU5535 235 15.6 71
Show 21574+2446 POU5586 339 3.7 72
Show 21596+2239 LDS4933 321 151.1 73
Show 21527+2429 POU5541 126 6.6 75
Show 22018+2334 HO 176 179 1.2 75

 
 
WDS 21564+2335 : COMPONENTS
 
 
  A
B pa=233.6°
sep=6.83"
 
 
21564+2335 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215623.58+233538.0 Mag 10.1 PmRA 0.00
PmDE -10.0
 
 
21564+2335 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215623.18+233534.0 Mag 10.3 PmRA -3.00
PmDE -11.0 Calc delta mag 0.2 Calc coord yes