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Doubles in session


Current system
18173+2825
GRV 232


Nearby doubles
6' : 18173+2832
LDS4782

26' : 18165+2848
KPP4098

29' : 18191+2808
HJ 1318

40' : 18185+2749
COU1008

44' : 18156+2902
KPP1398

49' : 18164+2912
OSO 97AB

50' : 18212+2820
STF2312

54' : 18139+2851
COU 637

60' : 18130+2815
H 5 93

62' : 18220+2812
UC 3562

64' : 18169+2718
MIL 4

65' : 18175+2931
COU 814

66' : 18129+2800
ES 472

71' : 18208+2732
BU 640

72' : 18170+2937
UC 238

74' : 18191+2935
A 242

75' : 18227+2849
UC 3566

80' : 18230+2742
HJ 1322

82' : 18235+2810
JOD 15

85' : 18121+2739
STF2292

85' : 18112+2850
TDT 727

86' : 18238+2808
GRV1261

87' : 18176+2659
HJ 1317

90' : 18242+2818
A 244

94' : 18194+2955
AG 360

94' : 18103+2839
UC 3512



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.

18173+2825 GRV 232

 
 
18h 17m 23.84s +28° 25' 47.0" P.A. 170.00 sep 16.7 mag 10.43,11.43
 
 
Coord 2000 18173+2825 Discov num GRV 232 Comp Coord arcsec 2000 18 17 23.84 +28 25 47.0
Date first 1895 Date last 2016 Obs 15
Pa first 171 Pa last 169.8 P.A. Now (θ) 169.8°
Sep first 16.9 Sep last 16.699 Sep. Now (ρ) 16.699"
Mag pri 10.43 Mag sec 11.43 delta mag (ΔM) 1 Spectral class
Pri motion ra -014 Sec motion ra -014
Pri motion dec +053 Sec motion dec +053
Notes T (Parallax indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2105-01346-1 Gaia DR2 4586347227510218240
 
 
WDS 18173+2825 GRV 232 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Grv2004 Eu - Greaves, J. 2004MNRAS.355..585G
Grv2004 MNRAS 355, 585, 2004
Grv2005a Es - Greaves, J. ...................
Grv2005a +C Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a (Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b Pa - Greaves, J. ...................
Grv2005b private communication
Grv2005c C - Greaves, J. 2005JDSO....1...41G
Grv2005c JDSO 1, 41, 2005
Grv2006 - Greaves, J. ...................
Grv2006 private communication, 2006
Grv2006 (measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006 Lepine & Shara 2005)
Grv2006b Es - Greaves, J. ...................
Grv2006b private Communication, 2006
Grv2006b (Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b epoch is unknown and proper motion may or may not have been applied.)
Grv2006c Ey - Greaves, J. ...................
Grv2006c private Communication, 2006
Grv2006c (Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008 Es - Greaves, J. ...................
Grv2008 Webb Soc., Double Star Circ. 16, 2008
Grv2011 C - Greaves, J. ...................
Grv2011 Webb Soc., Double Star Circ. 19, 2011
Grv2011 These carry a discovery designation of SPM and come from the SPM4 Catalog 2011AJ....142...15G
Grv2019a Hg u Greaves, J. 2019JDSO...15...59G
Grv2019a JDSO 15, 59, 2019
Grv2019b Hg u Greaves, J. 2019JDSO...15...77G
Grv2019b JDSO 15, 59, 2019
Grv2019c Hg u Greaves, J. ...................
Grv2019c private communication, 2019 (17 April 2019 email)
Grv2019d Hg - Greaves, J. .
Grv2019d private communication, 2019 (4 Nov 2019 email)
Grv2020a not - Greaves, J. .
Grv2020a private communication, 2020 (14 Mar 2020 email)
Grv2020b Hg j Greaves, J. .
Grv2020b Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c Hg j Greaves, J. .
Grv2020c Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d Hg j Greaves, J. .
Grv2020d Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e Hg u Greaves, J. 2020JDSO...16..317G
Grv2020e JDSO 16, 317, 2020
Grv2020f Hg Greaves, J. 2020JDSO...16..362G
Grv2020f JDSO 16, 362, 2020
Grv2020g Hg - Greaves, J. .
Grv2020g private communication, 2020 (29 Nov 2020 email)
Grv2020h Hg - Greaves, J. .
Grv2020h private communication, 2020 (10 Dec 2020 email)
Grv2020i Hg - Greaves, J. .
Grv2020i private communication, 2020 (12 Dec 2020 email)
Grv2020j Hg - Greaves, J. .
Grv2020j private communication, 2020 (21 Dec 2020 email)
Grv2021a not - Greaves, J. .
Grv2021a private communication, 2021 (18 Feb 2021 email)
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
Grv2021c Hg+ - Greaves, J., Rica Romero, F.M. & Otero, S. 2021JDSO...17..137G
Grv2021c +orb JDSO 17, 137, 2021
Grv2021d Hg - Greaves, J. .
Grv2021d private communication, 2021 (23 Aug 2021 email)
Grv2021e Hg - Greaves, J. .
Grv2021e private communication, 2021 (24 Aug 2021 email)
Grv2022 Hg j Greaves, J. .
Grv2022 Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a Hg - Greaves, J. .
Grv2023a private communication, 2023 (15 Feb 2023 email)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18173+2825 GRV 232 2000 6 170 16.7 10.43 11.43 D 181723.84+282547.0
18173+2825 GRV 232 2011 7 170 16.8 10.43 11.43 D 181723.84+282547.0
18173+2825 GRV 232 2015 9 170 16.7 10.43 11.43 181723.84+282547.0
18173+2825 GRV 232 2016 15 170 16.7 10.43 11.43 T 181723.84+282547.0

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

 
 
WDS 18173+2825 GRV 232 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18173+2825 GRV 232 : MEASURES
 
 
No records found.

 
 
WDS 18173+2825 : VIRTUAL EYEPIECE
 
 

18173+2825 GRV 232A mag 10.43 18173+2825 GRV 232B sep 16.6 P.A. 171.00 mag 11.43 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 18173+2825 : ALADIN DSS IMAGE @ 18h 17m 23.84s +28° 25' 47.0"
 
 
 
 
WDS 18173+2825 GRV 232 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18173+2825 GRV 232 distance=0' 18173+2832 LDS4782 distance=6' 18165+2848 KPP4098 distance=26' 18191+2808 HJ 1318 distance=29' 18185+2749 COU1008 distance=40' 18156+2902 KPP1398 distance=44' 18164+2912 OSO 97AB distance=49' 18164+2912 OSO 97AC distance=49' 18164+2912 OSO 97AD distance=49' 18212+2820 STF2312 distance=50' 18139+2851 COU 637 distance=54' 18130+2815 H 5 93 distance=60' 18220+2812 UC 3562 distance=62' 18169+2718 MIL 4 distance=64' 18175+2931 COU 814 distance=65' 18129+2800 ES 472 distance=66' 18208+2732 BU 640 distance=71' 18170+2937 UC 238 distance=72' 18191+2935 A 242 distance=74' 18227+2849 UC 3566 distance=75' 18230+2742 HJ 1322 distance=80' 18235+2810 JOD 15 distance=82' 18121+2739 STF2292 distance=85' 18112+2850 TDT 727 distance=85' 18238+2808 GRV1261 distance=86' 18176+2659 HJ 1317 distance=87' 18242+2818 A 244 distance=90' 18194+2955 AG 360 distance=94' 18103+2839 UC 3512 distance=94' 18119+2927 BRT 34 distance=95' 18233+2731 HO 83 distance=96' 18249+2817 RAO 391 distance=100' 18169+2647 A 240 distance=100' 18177+2642 TDT 779 distance=104' 18190+2643 TDT 792 distance=105' 18172+2640 A 241 distance=106' 18178+2640 LEP 88 distance=106' 18156+3009 TDT 762 distance=107' 18253+2805 HDS2604Aa,Ab distance=107' 18253+2805 HO 85AB distance=107' 18257+2828 TDT 858 distance=109' 18090+2851 BRT 33 distance=112' 18250+2724 HO 84DE distance=117' 18115+2700 UC 3523 distance=117' 18124+2649 TDT 735 distance=118' 18250+2724 STF2315AB distance=119' 18250+2724 STF2315AC distance=119' 18250+2724 BU 9009AD distance=119' 18265+2842 HJ 1324 distance=122' 18082+2830 UC 3502 distance=122' 18215+3016 UC 3558 distance=123' 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 18173+2825 GRV 232 170 16.7
Show 18173+2832 LDS4782 61 48.1 6
Show 18165+2848 KPP4098 265 2.0 26
Show 18191+2808 HJ 1318 140 10.0 29
Show 18185+2749 COU1008 92 2.0 40
Show 18156+2902 KPP1398 302 10.4 44
Show 18164+2912 OSO 97 AB 100 18.6 49
Show 18164+2912 OSO 97 AC 11 21.8 49
Show 18164+2912 OSO 97 AD 273 20.3 49
Show 18212+2820 STF2312 341 1.7 50
Show 18139+2851 COU 637 302 3.1 54
Show 18130+2815 H 5 93 136 54.8 60
Show 18220+2812 UC 3562 313 15.6 62
Show 18169+2718 MIL 4 130 16.6 64
Show 18175+2931 COU 814 229 5.3 65
Show 18129+2800 ES 472 11 3.5 66
Show 18208+2732 BU 640 322 0.7 71
Show 18170+2937 UC 238 66 48.6 72
Show 18191+2935 A 242 305 1.3 74
Show 18227+2849 UC 3566 180 32.0 75
Show 18230+2742 HJ 1322 239 21.8 80
Show 18235+2810 JOD 15 176 1.2 82
Show 18121+2739 STF2292 276 0.8 85
Show 18112+2850 TDT 727 343 0.4 85
Show 18238+2808 GRV1261 16 2.2 86
Show 18176+2659 HJ 1317 141 14.7 87
Show 18242+2818 A 244 268 0.6 90
Show 18194+2955 AG 360 169 19.1 94
Show 18103+2839 UC 3512 28 28.3 94
Show 18119+2927 BRT 34 164 5.4 95
Show 18233+2731 HO 83 115 0.8 96
Show 18249+2817 RAO 391 313 0.1 100
Show 18169+2647 A 240 349 2.4 100
Show 18177+2642 TDT 779 169 0.5 104
Show 18190+2643 TDT 792 213 0.8 105
Show 18172+2640 A 241 288 0.7 106
Show 18178+2640 LEP 88 241 39.8 106
Show 18156+3009 TDT 762 64 0.6 107
Show 18253+2805 HDS2604 Aa,Ab 212 0.7 107
Show 18253+2805 HO 85 AB 196 4.9 107
Show 18257+2828 TDT 858 57 0.4 109
Show 18090+2851 BRT 33 110 3.5 112
Show 18250+2724 HO 84 DE 322 4.4 117
Show 18115+2700 UC 3523 266 47.6 117
Show 18124+2649 TDT 735 187 2.3 118
Show 18250+2724 STF2315 AB 117 0.6 119
Show 18250+2724 STF2315 AC 79 44.9 119
Show 18250+2724 BU 9009 AD 290 118.0 119
Show 18265+2842 HJ 1324 14 5.6 122
Show 18082+2830 UC 3502 249 20.1 122
Show 18215+3016 UC 3558 268 45.1 123

 
 
WDS 18173+2825 : COMPONENTS
 
 
  A
B pa=171.0°
sep=16.64"
 
 
18173+2825 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181723.84+282547.0 Mag 10.43 PmRA -14.00
PmDE 53.0 Tycho2 2105-01346-1
Tycho2
Tycho2 2105-01346-1 Pflag RAmdeg 274.34935164 DEmdeg 28.42972099
PmRA -11.5 PmDE 50.7 E RAmdeg 27 E DEmdeg 24
E pmRA 1.8 E pmDE 1.7 EpRAm 1989.19 EpDEm 1989.69
Num 4 Q RAmdeg 0.3 Q DEmdeg 0.8 Q pmRA 0.3
Q pmDE 0.8 BTmag 11.217 E BTmag 0.048 VTmag 10.426
E VTmag 0.034 Prox 166 TYC T HIP
CCDM RAdeg 274.34938194 DEdeg 28.42960444 EpRA 1990 1.61
EpDE 1990 1.73 E RAdeg 26.5 E DEdeg 23.8 Posflg
Corr -0.1
 
 
18173+2825 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181724.04+282530.6 Mag 11.43 PmRA -14.00
PmDE 53.0 Tycho2 2105-01906-1 Calc delta mag 1 Calc coord yes
Tycho2
Tycho2 2105-01906-1 Pflag RAmdeg 274.35029479 DEmdeg 28.42518861
PmRA -8.3 PmDE 53.7 E RAmdeg 55 E DEmdeg 49
E pmRA 2.0 E pmDE 1.9 EpRAm 1982.46 EpDEm 1984.20
Num 4 Q RAmdeg 1.3 Q DEmdeg 1.8 Q pmRA 1.2
Q pmDE 1.8 BTmag 12.175 E BTmag 0.117 VTmag 11.428
E VTmag 0.081 Prox 166 TYC HIP
CCDM RAdeg 274.35031722 DEdeg 28.42506528 EpRA 1990 1.61
EpDE 1990 1.72 E RAdeg 58.3 E DEdeg 50.7 Posflg
Corr -0.1