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Doubles in session


Current system
18476+2335
HJ 2841


Nearby doubles
12' : 18486+2330
HU 326AB

18' : 18467+2333
POU3545

20' : 18467+2325
POU3546

21' : 18465+2334
POU3543

23' : 18492+2322
KPP2664

23' : 18494+2327
POU3557

23' : 18490+2353
TDS 946

24' : 18491+2319
TDT1070

25' : 18497+2337
POU3561

25' : 18495+2325
POU3560

25' : 18464+2347
POU3542

27' : 18461+2344
POU3539

28' : 18462+2323
POU3540

28' : 18460+2339
POU3537

30' : 18494+2315
POU3559

31' : 18457+2337
POU3535

32' : 18457+2343
POU3534

33' : 18490+2405
POU3554

33' : 18491+2405
POU3555

34' : 18464+2402
POU3544

36' : 18469+2407
POU3548

37' : 18476+2412
POU3551

38' : 18453+2341
POU3529

38' : 18468+2410
POU3547

38' : 18499+2403
POU3562

39' : 18455+2316
POU3532



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.

18476+2335 HJ 2841

 
 
18h 47m 55.56s +23° 35' 30.8" P.A. 254.00 sep 10.5 mag 11.81,13.20
 
 
Coord 2000 18476+2335 Discov num HJ 2841 Comp Coord arcsec 2000 18 47 55.56 +23 35 30.8
Date first 1894 Date last 2015 Obs 12
Pa first 254 Pa last 254 P.A. Now (θ) 254°
Sep first 10.4 Sep last 10.536 Sep. Now (ρ) 10.536"
Mag pri 11.81 Mag sec 13.20 delta mag (ΔM) 1.39 Spectral class
Pri motion ra -001 Sec motion ra -006
Pri motion dec -001 Sec motion dec -002
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.806
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2108-01206-1 Gaia DR2 4532564753680322304
 
 
WDS 18476+2335 HJ 2841 : NOTES
 
 
discov_num notes refcode
HJ 2841 POU3552.
 
 
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
18476+2335 HJ 2841 2003 3 254 10.5 9.00 12.00 U 184755.56+233530.8
18476+2335 HJ 2841 2015 8 254 10.5 11.81 13.20 NU 184755.56+233530.8

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

 
 
WDS 18476+2335 HJ 2841 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18476+2335 HJ 2841 : MEASURES
 
 
No records found.

 
 
WDS 18476+2335 : VIRTUAL EYEPIECE
 
 

18476+2335 HJ 2841A mag 11.81 18476+2335 HJ 2841B sep 9.7 P.A. 252.60 mag 13.2 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 18476+2335 : ALADIN DSS IMAGE @ 18h 47m 55.56s +23° 35' 30.8"
 
 
 
 
WDS 18476+2335 HJ 2841 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18476+2335 HJ 2841 distance=0' 18486+2330 HU 326AB distance=12' 18486+2330 LBU 7AB,C distance=12' 18486+2330 LBU 7AB,D distance=12' 18467+2333 POU3545 distance=18' 18471+2349 POU3549BC distance=19' 18467+2325 POU3546 distance=20' 18465+2334 POU3543 distance=21' 18492+2322 KPP2664 distance=23' 18494+2327 POU3557 distance=23' 18490+2353 TDS 946 distance=23' 18491+2319 TDT1070 distance=24' 18497+2337 POU3561 distance=25' 18495+2325 POU3560 distance=25' 18464+2347 POU3542 distance=25' 18461+2344 POU3539 distance=27' 18462+2323 POU3540 distance=28' 18460+2339 POU3537 distance=28' 18494+2315 POU3559 distance=30' 18457+2337 POU3535 distance=31' 18457+2343 POU3534 distance=32' 18490+2405 POU3554 distance=33' 18491+2405 POU3555 distance=33' 18464+2402 POU3544 distance=34' 18469+2407 POU3548 distance=36' 18476+2412 POU3551 distance=37' 18453+2341 POU3529 distance=38' 18468+2410 POU3547 distance=38' 18499+2403 POU3562 distance=38' 18455+2316 POU3532 distance=39' 18452+2338 POU3528 distance=39' 18457+2357 POU3533 distance=39' 18453+2321 POU3530 distance=39' 18451+2323 POU3525 distance=40' 18493+2411 POU3558 distance=41' 18452+2318 WLY 13 distance=42' 18451+2313 POU3527 distance=45' 18463+2415 POU3541 distance=46' 18479+2422 POU3553 distance=47' 18445+2333 POU3516 distance=48' 18502+2414 POU3563 distance=50' 18509+2305 POU3566 distance=52' 18448+2405 POU3523 distance=52' 18505+2415 POU3565 distance=53' 18445+2310 POU3517 distance=54' 18443+2315 POU3515 distance=54' 18469+2243 TDT1052 distance=55' 18441+2351 POU3513 distance=55' 18441+2320 POU3512 distance=55' 18509+2412 POU3568 distance=56' 18439+2344 POU3511 distance=57' 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 18476+2335 HJ 2841 254 10.5
Show 18486+2330 HU 326 AB 253 0.1 12
Show 18486+2330 LBU 7 AB,C 333 68.8 12
Show 18486+2330 LBU 7 AB,D 23 84.7 12
Show 18467+2333 POU3545 244 6.3 18
Show 18471+2349 POU3549 BC 153 16.1 19
Show 18467+2325 POU3546 48 11.5 20
Show 18465+2334 POU3543 30 8.5 21
Show 18492+2322 KPP2664 243 25.0 23
Show 18494+2327 POU3557 326 10.8 23
Show 18490+2353 TDS 946 67 1.9 23
Show 18491+2319 TDT1070 322 1.4 24
Show 18497+2337 POU3561 357 16.8 25
Show 18495+2325 POU3560 70 12.7 25
Show 18464+2347 POU3542 329 4.2 25
Show 18461+2344 POU3539 236 5.5 27
Show 18462+2323 POU3540 213 11.9 28
Show 18460+2339 POU3537 336 5.5 28
Show 18494+2315 POU3559 86 9.7 30
Show 18457+2337 POU3535 42 16.9 31
Show 18457+2343 POU3534 184 10.5 32
Show 18490+2405 POU3554 274 9.8 33
Show 18491+2405 POU3555 256 8.7 33
Show 18464+2402 POU3544 159 8.4 34
Show 18469+2407 POU3548 209 7.7 36
Show 18476+2412 POU3551 157 7.0 37
Show 18453+2341 POU3529 160 10.8 38
Show 18468+2410 POU3547 201 11.3 38
Show 18499+2403 POU3562 177 15.5 38
Show 18455+2316 POU3532 211 9.8 39
Show 18452+2338 POU3528 2 5.8 39
Show 18457+2357 POU3533 328 12.5 39
Show 18453+2321 POU3530 301 11.3 39
Show 18451+2323 POU3525 233 10.2 40
Show 18493+2411 POU3558 107 7.5 41
Show 18452+2318 WLY 13 263 11.1 42
Show 18451+2313 POU3527 266 9.4 45
Show 18463+2415 POU3541 289 12.1 46
Show 18479+2422 POU3553 359 5.3 47
Show 18445+2333 POU3516 198 4.7 48
Show 18502+2414 POU3563 170 8.9 50
Show 18509+2305 POU3566 133 15.6 52
Show 18448+2405 POU3523 255 8.8 52
Show 18505+2415 POU3565 85 8.9 53
Show 18445+2310 POU3517 310 6.2 54
Show 18443+2315 POU3515 239 12.1 54
Show 18469+2243 TDT1052 77 0.5 55
Show 18441+2351 POU3513 268 5.3 55
Show 18441+2320 POU3512 54 11.6 55
Show 18509+2412 POU3568 98 3.4 56
Show 18439+2344 POU3511 145 23.2 57

 
 
WDS 18476+2335 : COMPONENTS
 
 
  A
B pa=252.6°
sep=9.73"
 
 
18476+2335 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184755.56+233530.8 Mag 11.81 PmRA -1.00
PmDE -1.0 Tycho2 2108-01206-1
Tycho2
Tycho2 2108-01206-1 Pflag RAmdeg 281.98149850 DEmdeg 23.59189144
PmRA 1.1 PmDE -2.1 E RAmdeg 61 E DEmdeg 51
E pmRA 1.4 E pmDE 1.4 EpRAm 1967.01 EpDEm 1974.48
Num 4 Q RAmdeg 2.0 Q DEmdeg 1.4 Q pmRA 2.1
Q pmDE 1.4 BTmag 12.723 E BTmag 0.178 VTmag 11.805
E VTmag 0.116 Prox 999 TYC HIP
CCDM RAdeg 281.98149556 DEdeg 23.59189611 EpRA 1990 1.25
EpDE 1990 1.61 E RAdeg 69.5 E DEdeg 56.4 Posflg
Corr 0.1
 
 
18476+2335 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184754.88+233527.9 Mag 13.2 PmRA -6.00
PmDE -2.0 Calc delta mag 1.39 Calc coord yes