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Doubles in session


Current system
18177+2356
HJ 2831
HD 341889


Nearby doubles
14' : 18186+2354
POU3382

18' : 18164+2401
POU3375

19' : 18168+2340
POU3377

23' : 18161+2347
POU3372

24' : 18192+2346
TDT 794

25' : 18189+2338
TDT 790

25' : 18165+2336
POU3374

27' : 18157+2400
STF2301AB

27' : 18171+2421
POU3379

30' : 18163+2333
TDT 768

31' : 18199+2354
POU3387

31' : 18190+2330
POU3383

35' : 18152+2350
POU3369

35' : 18165+2324
BLL 32AB

38' : 18193+2325
SLE 152

38' : 18181+2318
BUP 181AB

39' : 18150+2345
POU3367

40' : 18194+2427
POU3386

41' : 18171+2315
POU3378

43' : 18175+2312
POU3381

44' : 18145+2346
POU3365

45' : 18156+2321
SLE 148

47' : 18204+2423
POU3388AB

47' : 18146+2335
HU 318AB

50' : 18151+2429
POU3368AB

50' : 18207+2327
POU3390



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.

18177+2356 HJ 2831 (HD 341889)

 
 
18h 17m 39.97s +23° 55' 03.8" P.A. 339.00 sep 17.4 mag 10.84,11.80 Sp G5
 
 
Coord 2000 18177+2356 Discov num HJ 2831 Comp Coord arcsec 2000 18 17 39.97 +23 55 03.8
Date first 1830 Date last 2015 Obs 13
Pa first 353 Pa last 338.9 P.A. Now (θ) 338.9°
Sep first 10.0 Sep last 17.416 Sep. Now (ρ) 17.416"
Mag pri 10.84 Mag sec 11.80 delta mag (ΔM) 0.96 Spectral class G5 (yellow)
Pri motion ra +017 Sec motion ra -038
Pri motion dec -018 Sec motion dec +121
Notes
rPM=1.179
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 341889 Constellation Hercules Tycho2 2093-00394-1 Gaia DR2 4578526538741648128
HD 341889
 
 
WDS 18177+2356 HJ 2831 (HD 341889) : 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
18177+2356 HJ 2831 1999 5 340 17.0 10.84 11.80 G5 D 181739.97+235503.8
18177+2356 HJ 2831 2001 6 340 17.0 10.84 11.80 G5 D 181739.97+235503.8
18177+2356 HJ 2831 2013 7 339 17.6 10.84 11.80 G5 181739.97+235503.8
18177+2356 HJ 2831 2015 9 339 17.4 10.84 11.80 G5 181739.97+235503.8

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

 
 
WDS 18177+2356 HJ 2831 (HD 341889) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18177+2356 HJ 2831 (HD 341889) : MEASURES
 
 
No records found.

 
 
WDS 18177+2356 (HD 341889) : VIRTUAL EYEPIECE
 
 

18177+2356 HJ 2831A mag 10.84 Sp G5 18177+2356 HJ 2831B sep 17.2 P.A. 340.60 mag 11.8 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 18177+2356 (HD 341889) : ALADIN DSS IMAGE @ 18h 17m 39.97s +23° 55' 03.8"
 
 
 
 
WDS 18177+2356 HJ 2831 (HD 341889) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18177+2356 HJ 2831 distance=0' 18186+2354 POU3382 distance=14' 18164+2401 POU3375 distance=18' 18168+2340 POU3377 distance=19' 18161+2347 POU3372 distance=23' 18192+2346 TDT 794 distance=24' 18189+2338 TDT 790 distance=25' 18165+2336 POU3374 distance=25' 18157+2400 STF2301AB distance=27' 18157+2400 FOX 222AC distance=27' 18157+2400 POU3370CD distance=27' 18171+2421 POU3379 distance=27' 18163+2333 TDT 768 distance=30' 18199+2354 POU3387 distance=31' 18190+2330 POU3383 distance=31' 18165+2324 BUP 180BC distance=33' 18152+2350 POU3369 distance=35' 18165+2324 BLL 32AB distance=35' 18165+2324 BUP 180AC distance=35' 18193+2325 SLE 152 distance=38' 18181+2318 BUP 181AB distance=38' 18181+2318 BUP 181AC distance=38' 18150+2345 POU3367 distance=39' 18194+2427 POU3386 distance=40' 18171+2315 POU3378 distance=41' 18175+2312 POU3381 distance=43' 18145+2346 POU3365 distance=44' 18156+2321 SLE 148 distance=45' 18146+2335 GII 110CD distance=47' 18146+2335 GII 110CE distance=47' 18204+2423 TDT 805Aa,Ab distance=47' 18204+2423 POU3388AB distance=47' 18146+2335 HU 318AB distance=47' 18146+2335 GII 110AC distance=47' 18151+2429 POU3368AB distance=50' 18151+2429 DAL 9AC distance=50' 18151+2429 DAL 9AD distance=50' 18207+2327 POU3390 distance=50' 18162+2441 POU3373 distance=50' 18209+2331 TDT 811 distance=51' 18190+2307 POU3384 distance=51' 18213+2359 POU3392 distance=51' 18213+2409 COU 505 distance=52' 18212+2326 POU3391 distance=56' 18217+2356 COU 418 distance=56' 18204+2437 POU3389 distance=57' 18148+2314 POU3366 distance=57' 18163+2301 TDT 769AB distance=58' 18163+2301 GII 263Aa,Ab distance=58' 18163+2301 TDT 769AC distance=58' 18218+2407 RAO 389 distance=59' 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 18177+2356 HJ 2831 339 17.4
Show 18186+2354 POU3382 130 9.9 14
Show 18164+2401 POU3375 294 14.1 18
Show 18168+2340 POU3377 137 2.2 19
Show 18161+2347 POU3372 283 9.8 23
Show 18192+2346 TDT 794 30 0.6 24
Show 18189+2338 TDT 790 336 0.7 25
Show 18165+2336 POU3374 340 6.9 25
Show 18157+2400 STF2301 AB 128 21.4 27
Show 18157+2400 FOX 222 AC 214 35.3 27
Show 18157+2400 POU3370 CD 141 7.9 27
Show 18171+2421 POU3379 101 7.8 27
Show 18163+2333 TDT 768 126 0.1 30
Show 18199+2354 POU3387 85 11.6 31
Show 18190+2330 POU3383 73 7.7 31
Show 18165+2324 BUP 180 BC 248 17.3 33
Show 18152+2350 POU3369 131 4.5 35
Show 18165+2324 BLL 32 AB 2 126.7 35
Show 18165+2324 BUP 180 AC 354 120.7 35
Show 18193+2325 SLE 152 33 9.4 38
Show 18181+2318 BUP 181 AB 223 37.5 38
Show 18181+2318 BUP 181 AC 125 153.7 38
Show 18150+2345 POU3367 212 14.9 39
Show 18194+2427 POU3386 39 20.2 40
Show 18171+2315 POU3378 200 4.3 41
Show 18175+2312 POU3381 88 14.4 43
Show 18145+2346 POU3365 37 3.8 44
Show 18156+2321 SLE 148 189 20.0 45
Show 18146+2335 GII 110 CD 302 0.8 47
Show 18146+2335 GII 110 CE 211 3.5 47
Show 18204+2423 TDT 805 Aa,Ab 235 0.9 47
Show 18204+2423 POU3388 AB 57 14.6 47
Show 18146+2335 HU 318 AB 157 0.7 47
Show 18146+2335 GII 110 AC 104 36.7 47
Show 18151+2429 POU3368 AB 63 15.7 50
Show 18151+2429 DAL 9 AC 218 13.8 50
Show 18151+2429 DAL 9 AD 249 31.7 50
Show 18207+2327 POU3390 315 10.2 50
Show 18162+2441 POU3373 212 3.2 50
Show 18209+2331 TDT 811 246 1.0 51
Show 18190+2307 POU3384 76 9.0 51
Show 18213+2359 POU3392 132 13.8 51
Show 18213+2409 COU 505 318 1.1 52
Show 18212+2326 POU3391 326 10.7 56
Show 18217+2356 COU 418 277 0.1 56
Show 18204+2437 POU3389 114 10.7 57
Show 18148+2314 POU3366 238 13.7 57
Show 18163+2301 TDT 769 AB 22 0.5 58
Show 18163+2301 GII 263 Aa,Ab 136 0.1 58
Show 18163+2301 TDT 769 AC 286 2.0 58
Show 18218+2407 RAO 389 221 0.3 59

 
 
WDS 18177+2356 : COMPONENTS
 
 
  A
B pa=340.6°
sep=17.23"
 
 
18177+2356 A
 
 
Componente originario normalizzato AB Name HD 341889 Coord arcsec 2000 181739.97+235503.8 Mag 10.84
Spectral class G5 (yellow) PmRA 17.00 PmDE -18.0 Tycho2 2093-00394-1
HD 341889
Tycho2
Tycho2 2093-00394-1 Pflag RAmdeg 274.41657173 DEmdeg 23.91774322
PmRA 14.9 PmDE -19.9 E RAmdeg 37 E DEmdeg 27
E pmRA 1.5 E pmDE 1.5 EpRAm 1985.12 EpDEm 1988.34
Num 3 Q RAmdeg 0.2 Q DEmdeg 1.1 Q pmRA 0.3
Q pmDE 1.1 BTmag 11.995 E BTmag 0.077 VTmag 10.837
E VTmag 0.044 Prox 999 TYC T HIP
CCDM RAdeg 274.41653306 DEdeg 23.91778889 EpRA 1990 1.44
EpDE 1990 1.71 E RAdeg 37.7 E DEdeg 27.3 Posflg
Corr 0.0
 
 
18177+2356 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181739.55+235520.0 Mag 11.8 PmRA -38.00
PmDE 121.0 Calc delta mag 0.96 Calc coord yes