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Doubles in session


Current system
18165+2249
HU 319 AB
HD 167921


Nearby doubles
13' : 18163+2301
TDT 769AB

28' : 18171+2315
POU3378

28' : 18175+2312
POU3381

34' : 18148+2314
POU3366

34' : 18156+2321
SLE 148

35' : 18165+2324
BLL 32AB

36' : 18141+2235
TDT 755

37' : 18181+2318
BUP 181AB

38' : 18162+2211
TDT 766

41' : 18190+2307
POU3384

44' : 18163+2333
TDT 768

48' : 18165+2336
POU3374

50' : 18200+2257
SLE 155

52' : 18130+2232
HJ 2825AB

52' : 18168+2340
POU3377

53' : 18190+2330
POU3383

53' : 18146+2335
HU 318AB

54' : 18193+2325
SLE 152

59' : 18206+2248
STF2310

59' : 18124+2236
KPP4091

59' : 18161+2347
POU3372

60' : 18150+2345
POU3367

60' : 18189+2338
TDT 790

63' : 18145+2346
POU3365

63' : 18152+2350
POU3369

65' : 18134+2338
TDT 746



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.

18165+2249 HU 319 AB (HD 167921)

 
 
18h 16m 27.03s +22° 49' 03.9" P.A. 125.00 sep 0.3 mag 9.10,9.50 Sp A5
 
 
Coord 2000 18165+2249 Discov num HU  319 Comp AB Coord arcsec 2000 18 16 27.03 +22 49 03.9
Date first 1901 Date last 2014 Obs 24
Pa first 72 Pa last 125.4 P.A. Now (θ) 125.4°
Sep first 0.3 Sep last 0.266 Sep. Now (ρ) 0.266"
Mag pri 9.10 Mag sec 9.50 delta mag (ΔM) 0.4 Spectral class A5 (white)
Pri motion ra +022 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18165+2249 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 167921 85882 18 16 27 +22 49 04 HU 319 AB 2014 24 125 0.3 9.10 9.50 0.40 <===
Show 85882 18 16 27 +22 49 04 HU 319 AC 2014 4 201 2.8 9.10 13.60 4.50
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 167921 Constellation Hercules SAO 85882 Tycho2 2092-00780-1
Gaia DR2 4530028730110592896 HD 167921
 
 
WDS 18165+2249 HU 319 AB (HD 167921) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 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
18165+2249 HU 319 AB 1992 20 106 0.3 9.40 9.80 A5 181627.03+224903.9
18165+2249 HU 319 AB 2012 21 120 0.2 9.10 9.50 A5 181627.03+224903.9
18165+2249 HU 319 AB 2014 24 125 0.3 9.10 9.50 A5 181627.03+224903.9

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

 
 
WDS 18165+2249 HU 319 AB (HD 167921) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18165+2249 HU 319 AB (HD 167921) : MEASURES
 
 
No records found.

 
 
WDS 18165+2249 (HD 167921) : VIRTUAL EYEPIECE
 
 

18165+2249 HU 319A mag 9.1 Sp A5 18165+2249 HU 319B sep 0.2 P.A. 127.60 mag 9.5 18165+2249 HU 319C sep 2.7 P.A. 199.00 mag 13.6 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 18165+2249 (HD 167921) : ALADIN DSS IMAGE @ 18h 16m 27.03s +22° 49' 03.9"
 
 
 
 
WDS 18165+2249 HU 319 AB (HD 167921) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18165+2249 HU 319AB distance=0' 18163+2301 TDT 769AB distance=13' 18163+2301 GII 263Aa,Ab distance=13' 18163+2301 TDT 769AC distance=13' 18171+2315 POU3378 distance=28' 18175+2312 POU3381 distance=28' 18148+2314 POU3366 distance=34' 18156+2321 SLE 148 distance=34' 18165+2324 BLL 32AB distance=35' 18165+2324 BUP 180AC distance=35' 18141+2235 TDT 755 distance=36' 18181+2318 BUP 181AB distance=37' 18181+2318 BUP 181AC distance=37' 18165+2324 BUP 180BC distance=37' 18162+2211 TDT 766 distance=38' 18190+2307 POU3384 distance=41' 18163+2333 TDT 768 distance=44' 18165+2336 POU3374 distance=48' 18200+2257 SLE 155 distance=50' 18130+2232 HJ 2825AB distance=52' 18130+2232 HJ 2825AC distance=52' 18168+2340 POU3377 distance=52' 18146+2335 GII 110CD distance=53' 18146+2335 GII 110CE distance=53' 18190+2330 POU3383 distance=53' 18146+2335 HU 318AB distance=53' 18146+2335 GII 110AC distance=53' 18193+2325 SLE 152 distance=54' 18206+2248 STF2310 distance=59' 18124+2236 KPP4091 distance=59' 18161+2347 POU3372 distance=59' 18150+2345 POU3367 distance=60' 18189+2338 TDT 790 distance=60' 18145+2346 POU3365 distance=63' 18152+2350 POU3369 distance=63' 18134+2338 TDT 746 distance=65' 18177+2356 HJ 2831 distance=69' 18192+2346 TDT 794 distance=69' 18207+2327 POU3390 distance=69' 18157+2400 POU3370CD distance=71' 18157+2400 STF2301AB distance=72' 18157+2400 FOX 222AC distance=72' 18164+2401 POU3375 distance=72' 18186+2354 POU3382 distance=73' 18209+2331 TDT 811 distance=74' 18212+2326 POU3391 distance=75' 18151+2136 LDS4780 distance=76' 18135+2142 TDS 909 distance=79' 18199+2354 POU3387 distance=81' 18122+2352 POU3359 distance=87' 18144+2127 HJ 2828 distance=87' 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 18165+2249 HU 319 AB 125 0.3
Show 18165+2249 HU 319 AC 201 2.8
Show 18163+2301 TDT 769 AB 22 0.5 13
Show 18163+2301 GII 263 Aa,Ab 136 0.1 13
Show 18163+2301 TDT 769 AC 286 2.0 13
Show 18171+2315 POU3378 200 4.3 28
Show 18175+2312 POU3381 88 14.4 28
Show 18148+2314 POU3366 238 13.7 34
Show 18156+2321 SLE 148 189 20.0 34
Show 18165+2324 BLL 32 AB 2 126.7 35
Show 18165+2324 BUP 180 AC 354 120.7 35
Show 18141+2235 TDT 755 77 1.8 36
Show 18181+2318 BUP 181 AB 223 37.5 37
Show 18181+2318 BUP 181 AC 125 153.7 37
Show 18165+2324 BUP 180 BC 248 17.3 37
Show 18162+2211 TDT 766 213 2.4 38
Show 18190+2307 POU3384 76 9.0 41
Show 18163+2333 TDT 768 126 0.1 44
Show 18165+2336 POU3374 340 6.9 48
Show 18200+2257 SLE 155 70 10.9 50
Show 18130+2232 HJ 2825 AB 31 14.5 52
Show 18130+2232 HJ 2825 AC 343 90.4 52
Show 18168+2340 POU3377 137 2.2 52
Show 18146+2335 GII 110 CD 302 0.8 53
Show 18146+2335 GII 110 CE 211 3.5 53
Show 18190+2330 POU3383 73 7.7 53
Show 18146+2335 HU 318 AB 157 0.7 53
Show 18146+2335 GII 110 AC 104 36.7 53
Show 18193+2325 SLE 152 33 9.4 54
Show 18206+2248 STF2310 235 5.1 59
Show 18124+2236 KPP4091 171 1.9 59
Show 18161+2347 POU3372 283 9.8 59
Show 18150+2345 POU3367 212 14.9 60
Show 18189+2338 TDT 790 336 0.7 60
Show 18145+2346 POU3365 37 3.8 63
Show 18152+2350 POU3369 131 4.5 63
Show 18134+2338 TDT 746 213 2.4 65
Show 18177+2356 HJ 2831 339 17.4 69
Show 18192+2346 TDT 794 30 0.6 69
Show 18207+2327 POU3390 315 10.2 69
Show 18157+2400 POU3370 CD 141 7.9 71
Show 18157+2400 STF2301 AB 128 21.4 72
Show 18157+2400 FOX 222 AC 214 35.3 72
Show 18164+2401 POU3375 294 14.1 72
Show 18186+2354 POU3382 130 9.9 73
Show 18209+2331 TDT 811 246 1.0 74
Show 18212+2326 POU3391 326 10.7 75
Show 18151+2136 LDS4780 206 124.5 76
Show 18135+2142 TDS 909 21 1.6 79
Show 18199+2354 POU3387 85 11.6 81
Show 18122+2352 POU3359 305 7.7 87

 
 
WDS 18165+2249 : COMPONENTS
 
 
  A B
B pa=127.6°
sep=0.25"
 
C pa=199.0°
sep=2.74"
pa=204.2°
sep=2.67"
 
 
18165+2249 A
 
 
Name HD 167921 Coord arcsec 2000 181627.03+224903.9 Mag 9.1 Spectral class A5 (white)
PmRA 22.00 PmDE 8.0 SAO 85882 Tycho2 2092-00780-1
HD 167921 DM BD+22 3325
Tycho2
Tycho2 2092-00780-1 Pflag RAmdeg 274.11263997 DEmdeg 22.81776153
PmRA 12.0 PmDE 1.5 E RAmdeg 7 E DEmdeg 7
E pmRA 1.0 E pmDE 0.9 EpRAm 1990.81 EpDEm 1990.81
Num 10 Q RAmdeg 0.7 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.6 BTmag 9.120 E BTmag 0.016 VTmag 8.789
E VTmag 0.013 Prox 336 TYC T HIP
CCDM RAdeg 274.11260944 DEdeg 22.81775833 EpRA 1990 1.54
EpDE 1990 1.66 E RAdeg 7.1 E DEdeg 6.5 Posflg
Corr 0.0
SAO
SAO 85882 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.01 Vmag 8.8 SpType A5
Double code Source 35 CatNum 6384 DM BD+22 3325
DMcomp BDsup HD 167921 M HD 0
GC RA1950rad 4.7750216 DE1950rad 0.39791696 PmRA2000 0.0012
PmDE2000 -0.01
 
 
18165+2249 B
 
 
Coord arcsec 2000 181627.04+224903.7 Mag 9.5 Calc delta mag 0.4 Calc coord yes
 
 
18165+2249 C
 
 
Coord arcsec 2000 181626.97+224901.3 Mag 13.6 Calc delta mag 4.5 Calc coord yes