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Doubles in session


Current system
21374+2340
HJ 1668
HD 205823


Nearby doubles
5' : 21378+2339
POU5443AB

8' : 21379+2342
POU5444

8' : 21378+2346
POU5441

11' : 21381+2339
BKO 490

13' : 21383+2336
HU 372

21' : 21373+2400
POU5437

22' : 21385+2323
POU5445

25' : 21358+2331
POU5426

32' : 21351+2340
POU5418

33' : 21351+2330
TDT3043

34' : 21356+2403
POU5423

35' : 21396+2322
AG 274AB

35' : 21398+2352
TDT3095

36' : 21352+2358
POU5420

37' : 21384+2413
POU5446

38' : 21377+2417
POU5442

39' : 21395+2403
POU5452

39' : 21402+2341
POU5455

41' : 21398+2317
CVR 913

44' : 21373+2423
POU5438AB

50' : 21343+2406
POU5411

52' : 21385+2429
POU5447AB

52' : 21386+2429
BKO 627

53' : 21338+2356
POU5409

53' : 21358+2428
POU5427

55' : 21355+2427
HU 371



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.

21374+2340 HJ 1668 (HD 205823)

 
 
21h 37m 24.08s +23° 39' 30.0" P.A. 36.00 sep 8.1 mag 9.04,10.44 Sp F8
 
 
Coord 2000 21374+2340 Discov num HJ 1668 Comp Coord arcsec 2000 21 37 24.08 +23 39 30.0
Date first 1828 Date last 2019 Obs 24
Pa first 34 Pa last 35.9 P.A. Now (θ) 35.9°
Sep first 7.0 Sep last 8.081 Sep. Now (ρ) 8.081"
Mag pri 9.04 Mag sec 10.44 delta mag (ΔM) 1.4 Spectral class F8 (yellow-white)
Pri motion ra +009 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 205823 Constellation Pegasus SAO 89850 Tycho2 2188-01683-1
Gaia DR2 1797195121886323456 HD 205823
 
 
WDS 21374+2340 HJ 1668 (HD 205823) : 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
21374+2340 HJ 1668 2000 11 36 8.2 9.04 10.10 F8 D 213724.08+233930.0
21374+2340 HJ 1668 2008 12 36 8.2 9.04 10.10 F8 D 213724.08+233930.0
21374+2340 HJ 1668 2012 16 36 8.2 9.04 10.10 F8 D 213724.08+233930.0
21374+2340 HJ 1668 2017 17 36 8.1 9.04 10.44 F8 213724.08+233930.0
21374+2340 HJ 1668 2019 23 36 8.1 9.04 10.44 F8 213724.08+233930.0

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

 
 
WDS 21374+2340 HJ 1668 (HD 205823) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21374+2340 HJ 1668 (HD 205823) : MEASURES
 
 
No records found.

 
 
WDS 21374+2340 (HD 205823) : VIRTUAL EYEPIECE
 
 

21374+2340 HJ 1668A mag 9.04 Sp F8 21374+2340 HJ 1668B sep 7.8 P.A. 33.50 mag 10.44 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 21374+2340 (HD 205823) : ALADIN DSS IMAGE @ 21h 37m 24.08s +23° 39' 30.0"
 
 
 
 
WDS 21374+2340 HJ 1668 (HD 205823) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21374+2340 HJ 1668 distance=0' 21378+2339 POU5443AB distance=5' 21378+2339 BKO 489AC distance=5' 21379+2342 POU5444 distance=8' 21378+2346 POU5441 distance=8' 21381+2339 BKO 490 distance=11' 21383+2336 HU 372 distance=13' 21373+2400 POU5437 distance=21' 21385+2323 POU5445 distance=22' 21358+2331 POU5426 distance=25' 21351+2340 POU5418 distance=32' 21351+2330 TDT3043 distance=33' 21356+2403 POU5423 distance=34' 21396+2322 AG 274AB distance=35' 21396+2322 AG 274AC distance=35' 21398+2352 TDT3095 distance=35' 21352+2358 POU5420 distance=36' 21384+2413 POU5446 distance=37' 21377+2417 POU5442 distance=38' 21395+2403 POU5452 distance=39' 21402+2341 POU5455 distance=39' 21398+2317 CVR 913 distance=41' 21373+2423 POU5438AB distance=44' 21373+2423 BKO 488AC distance=44' 21343+2406 POU5411 distance=50' 21385+2429 BKO 626BC distance=52' 21385+2429 POU5447AB distance=52' 21386+2429 BKO 627 distance=52' 21338+2356 POU5409 distance=53' 21358+2428 POU5427 distance=53' 21355+2427 HU 371 distance=55' 21356+2429 POU5424 distance=55' 21393+2429 BKO 628 distance=56' 21413+2355 CVR 251 distance=57' 21342+2416 POU5410 distance=57' 21390+2433 POU5450 distance=58' 21401+2426 POU5456 distance=61' 21364+2439 POU5431 distance=61' 21405+2426 BKO 629 distance=64' 21332+2406 UC 4496 distance=64' 21422+2338 POU5460 distance=66' 21326+2345 POU5404 distance=66' 21326+2339 POU5403 distance=66' 21330+2408 HDS3065Aa,Ab distance=68' 21330+2408 OSO 149AB distance=68' 21330+2408 OSO 149AC distance=68' 21348+2438 POU5415 distance=68' 21359+2445 POU5429 distance=69' 21410+2428 UC 4525 distance=70' 21373+2230 CVR 911 distance=70' 21344+2438 POU5413 distance=71' 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 21374+2340 HJ 1668 36 8.1
Show 21378+2339 POU5443 AB 211 19.0 5
Show 21378+2339 BKO 489 AC 120 7.6 5
Show 21379+2342 POU5444 324 18.9 8
Show 21378+2346 POU5441 193 7.3 8
Show 21381+2339 BKO 490 104 5.0 11
Show 21383+2336 HU 372 249 0.3 13
Show 21373+2400 POU5437 106 17.0 21
Show 21385+2323 POU5445 191 25.9 22
Show 21358+2331 POU5426 315 14.2 25
Show 21351+2340 POU5418 198 6.4 32
Show 21351+2330 TDT3043 62 0.7 33
Show 21356+2403 POU5423 40 3.4 34
Show 21396+2322 AG 274 AB 153 9.1 35
Show 21396+2322 AG 274 AC 160 62.5 35
Show 21398+2352 TDT3095 113 0.6 35
Show 21352+2358 POU5420 221 15.1 36
Show 21384+2413 POU5446 89 8.3 37
Show 21377+2417 POU5442 228 14.7 38
Show 21395+2403 POU5452 288 15.3 39
Show 21402+2341 POU5455 249 2.8 39
Show 21398+2317 CVR 913 39 17.1 41
Show 21373+2423 POU5438 AB 138 16.4 44
Show 21373+2423 BKO 488 AC 235 5.0 44
Show 21343+2406 POU5411 200 8.5 50
Show 21385+2429 BKO 626 BC 212 11.9 52
Show 21385+2429 POU5447 AB 256 18.6 52
Show 21386+2429 BKO 627 306 8.6 52
Show 21338+2356 POU5409 334 10.6 53
Show 21358+2428 POU5427 205 8.4 53
Show 21355+2427 HU 371 319 0.3 55
Show 21356+2429 POU5424 64 8.5 55
Show 21393+2429 BKO 628 55 3.0 56
Show 21413+2355 CVR 251 164 11.4 57
Show 21342+2416 POU5410 251 13.5 57
Show 21390+2433 POU5450 287 12.0 58
Show 21401+2426 POU5456 264 3.7 61
Show 21364+2439 POU5431 90 4.2 61
Show 21405+2426 BKO 629 170 3.7 64
Show 21332+2406 UC 4496 214 16.5 64
Show 21422+2338 POU5460 232 14.1 66
Show 21326+2345 POU5404 129 11.3 66
Show 21326+2339 POU5403 129 5.2 66
Show 21330+2408 HDS3065 Aa,Ab 95 0.2 68
Show 21330+2408 OSO 149 AB 285 24.6 68
Show 21330+2408 OSO 149 AC 66 12.0 68
Show 21348+2438 POU5415 141 10.8 68
Show 21359+2445 POU5429 340 11.5 69
Show 21410+2428 UC 4525 261 23.8 70
Show 21373+2230 CVR 911 174 10.5 70
Show 21344+2438 POU5413 309 16.1 71

 
 
WDS 21374+2340 : COMPONENTS
 
 
  A
B pa=33.5°
sep=7.85"
 
 
21374+2340 A
 
 
Componente originario normalizzato AB Name HD 205823 Coord arcsec 2000 213724.08+233930.0 Mag 9.04
Spectral class F8 (yellow-white) PmRA 9.00 PmDE 1.0 SAO 89850
Tycho2 2188-01683-1 HD 205823 DM BD+23 4355
Tycho2
Tycho2 2188-01683-1 Pflag RAmdeg 324.35035151 DEmdeg 23.65833800
PmRA 10.4 PmDE 0.7 E RAmdeg 8 E DEmdeg 10
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.10 EpDEm 1990.53
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.1 BTmag 9.538 E BTmag 0.019 VTmag 9.042
E VTmag 0.015 Prox 999 TYC T HIP
CCDM RAdeg 324.35032528 DEdeg 23.65833639 EpRA 1990 1.81
EpDE 1990 1.83 E RAdeg 7.6 E DEdeg 9.8 Posflg
Corr 0.0
SAO
SAO 89850 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.013 Vmag 8.8 SpType F8
Double code Source 35 CatNum 8313 DM BD+23 4355
DMcomp BDsup HD 205823 M HD 0
GC RA1950rad 5.65103707 DE1950rad 0.40898322 PmRA2000 0.0006
PmDE2000 0.009
CCDM
Ccdm 21374+2340 RComp Comp A Note1
Note2 Discov num DRAs 0.11 DDEs -30.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp F8 PmNote *
PmRA 31 PmDE -3 Dm number +23 4355 Cat1 BD
Name2 +23 2226 Cat2 AGK2/3 HD 205823 M HD
ADS BDS A15143 M ADS BDS N IDS IDS 21328N2313A
HIC
 
 
21374+2340 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213724.40+233936.5 Mag 10.44 Calc delta mag 1.4
Calc coord yes
CCDM
Ccdm 21374+2340 RComp Comp B Note1
Note2 Discov num HJ 1668 DRAs DDEs
R dRAs Year 1891 Theta 036 Rho 8.3
Obs 9 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15143 M ADS BDS N IDS IDS 21328N2313B
HIC