stampa
Login

Too lazy to login each time? Click on "Remember me" at login and forget about it!
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
18387+1800
GRV 235


Nearby doubles
17' : 18378+1752
BPM 794

26' : 18402+1815
TDT 986

31' : 18407+1749
ROE 88AB

33' : 18381+1729
SLE 224

38' : 18412+1747
BPM 801

41' : 18400+1724
SLE 231AB

45' : 18372+1839
TDT 961

46' : 18389+1715
BPM 799

52' : 18352+1812
CHR 74

56' : 18393+1706
SLE 228

57' : 18380+1705
SLE 223

60' : 18346+1801
SLE 206

63' : 18346+1739
BPM 791

66' : 18423+1842
TDT1012

68' : 18341+1742
J 2915AB

73' : 18338+1744
HU 322AB

74' : 18359+1659
STT 358AB

75' : 18370+1910
J 799

75' : 18343+1841
MET 85AB

78' : 18384+1643
SLE 225AB

78' : 18423+1701
GWP2794

79' : 18440+1820
BPM 811

81' : 18433+1847
COU 816

83' : 18341+1712
SLE 202AB

86' : 18332+1730
J 98

86' : 18342+1705
SLE 203AB



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.

18387+1800 GRV 235

 
 
18h 38m 43.46s +18° 00' 23.7" P.A. 331.00 sep 7.8 mag 11.40,11.60
 
 
Coord 2000 18387+1800 Discov num GRV 235 Comp Coord arcsec 2000 18 38 43.46 +18 00 23.7
Date first 1900 Date last 2016 Obs 12
Pa first 331 Pa last 331.3 P.A. Now (θ) 331.3°
Sep first 7.9 Sep last 7.841 Sep. Now (ρ) 7.841"
Mag pri 11.40 Mag sec 11.60 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -015 Sec motion ra -019
Pri motion dec -047 Sec motion dec -042
Notes
rPM=0.13 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4512034741289440768
 
 
WDS 18387+1800 GRV 235 : 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
18387+1800 GRV 235 2000 4 331 7.8 11.40 11.60 D 183843.46+180023.7
18387+1800 GRV 235 2001 5 331 7.8 11.40 11.60 D 183843.46+180023.7
18387+1800 GRV 235 2013 5 332 8.0 11.40 11.60 183843.46+180023.7
18387+1800 GRV 235 2015 6 331 7.8 11.40 11.60 183843.46+180023.7
18387+1800 GRV 235 2016 12 331 7.8 11.40 11.60 183843.46+180023.7

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

 
 
WDS 18387+1800 GRV 235 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18387+1800 GRV 235 : MEASURES
 
 
No records found.

 
 
WDS 18387+1800 : VIRTUAL EYEPIECE
 
 

18387+1800 GRV 235A mag 11.4 18387+1800 GRV 235B sep 7.8 P.A. 332.50 mag 11.6 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 18387+1800 : ALADIN DSS IMAGE @ 18h 38m 43.46s +18° 00' 23.7"
 
 
 
 
WDS 18387+1800 GRV 235 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18387+1800 GRV 235 distance=0' 18378+1752 BPM 794 distance=17' 18402+1815 TDT 986 distance=26' 18407+1749 ROE 88AB distance=31' 18407+1749 ROE 88AC distance=31' 18407+1749 WLY 11AD distance=31' 18381+1729 SLE 224 distance=33' 18412+1747 BPM 801 distance=38' 18400+1724 SLE 231AB distance=41' 18400+1724 TOB 294BC distance=42' 18372+1839 TDT 961 distance=45' 18389+1715 BPM 799 distance=46' 18352+1812 CHR 74 distance=52' 18393+1706 SLE 228 distance=56' 18380+1705 SLE 223 distance=57' 18346+1801 SLE 206 distance=60' 18346+1739 BPM 791 distance=63' 18423+1842 TDT1012 distance=66' 18341+1742 J 2915AB distance=68' 18341+1742 J 2915AC distance=68' 18338+1744 HU 322AB distance=73' 18338+1744 STF2339AB,CD distance=73' 18338+1744 WAK 21CD distance=73' 18359+1659 STT 358AB distance=74' 18359+1659 RED 25AB,E distance=74' 18359+1659 SLE 214AB,D distance=74' 18359+1659 STT 358AB,C distance=74' 18370+1910 J 799 distance=75' 18343+1841 MET 85AB distance=75' 18343+1841 MET 85AC distance=75' 18343+1841 MET 85AD distance=75' 18343+1841 MET 85AE distance=75' 18343+1841 MET 85AF distance=75' 18359+1659 SLE 214CD distance=78' 18384+1643 SLE 225AB distance=78' 18384+1643 SLE 225AC distance=78' 18423+1701 GWP2794 distance=78' 18440+1820 BPM 811 distance=79' 18433+1847 COU 816 distance=81' 18341+1712 SLE 202BC distance=82' 18341+1712 SLE 202AB distance=83' 18341+1712 SLE 202AC distance=83' 18332+1730 J 98 distance=86' 18342+1705 SLE 203AB distance=86' 18342+1705 SLE 203AC distance=86' 18342+1705 SLE 203BC distance=86' 18327+1741 TDT 934 distance=88' 18386+1632 HO 87AB distance=88' 18386+1632 HO 87AC distance=88' 18333+1713 SLE 193 distance=92' 18324+1737 GWP2782 distance=94' 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 18387+1800 GRV 235 331 7.8
Show 18378+1752 BPM 794 108 96.4 17
Show 18402+1815 TDT 986 145 0.5 26
Show 18407+1749 ROE 88 AB 131 8.4 31
Show 18407+1749 ROE 88 AC 330 35.5 31
Show 18407+1749 WLY 11 AD 322 14.2 31
Show 18381+1729 SLE 224 20 17.3 33
Show 18412+1747 BPM 801 292 64.5 38
Show 18400+1724 SLE 231 AB 110 17.8 41
Show 18400+1724 TOB 294 BC 149 20.0 42
Show 18372+1839 TDT 961 332 0.8 45
Show 18389+1715 BPM 799 29 56.5 46
Show 18352+1812 CHR 74 25 0.1 52
Show 18393+1706 SLE 228 344 7.6 56
Show 18380+1705 SLE 223 126 15.4 57
Show 18346+1801 SLE 206 225 13.2 60
Show 18346+1739 BPM 791 203 58.8 63
Show 18423+1842 TDT1012 32 0.5 66
Show 18341+1742 J 2915 AB 190 6.1 68
Show 18341+1742 J 2915 AC 84 7.1 68
Show 18338+1744 HU 322 AB 92 0.2 73
Show 18338+1744 STF2339 AB,CD 277 1.7 73
Show 18338+1744 WAK 21 CD 263 0.5 73
Show 18359+1659 STT 358 AB 146 1.7 74
Show 18359+1659 RED 25 AB,E 349 34.6 74
Show 18359+1659 SLE 214 AB,D 224 134.6 74
Show 18359+1659 STT 358 AB,C 235 198.7 74
Show 18370+1910 J 799 78 2.6 75
Show 18343+1841 MET 85 AB 87 1.8 75
Show 18343+1841 MET 85 AC 35 2.7 75
Show 18343+1841 MET 85 AD 307 6.2 75
Show 18343+1841 MET 85 AE 114 6.9 75
Show 18343+1841 MET 85 AF 182 12.3 75
Show 18359+1659 SLE 214 CD 77 72.0 78
Show 18384+1643 SLE 225 AB 280 10.5 78
Show 18384+1643 SLE 225 AC 305 60.4 78
Show 18423+1701 GWP2794 68 14.0 78
Show 18440+1820 BPM 811 86 55.0 79
Show 18433+1847 COU 816 293 0.2 81
Show 18341+1712 SLE 202 BC 71 17.0 82
Show 18341+1712 SLE 202 AB 70 51.7 83
Show 18341+1712 SLE 202 AC 70 68.7 83
Show 18332+1730 J 98 147 3.9 86
Show 18342+1705 SLE 203 AB 267 56.0 86
Show 18342+1705 SLE 203 AC 279 63.2 86
Show 18342+1705 SLE 203 BC 333 14.3 86
Show 18327+1741 TDT 934 128 0.8 88
Show 18386+1632 HO 87 AB 96 0.4 88
Show 18386+1632 HO 87 AC 121 47.3 88
Show 18333+1713 SLE 193 291 9.6 92
Show 18324+1737 GWP2782 115 47.5 94

 
 
WDS 18387+1800 : COMPONENTS
 
 
  A
B pa=332.5°
sep=7.75"
 
 
18387+1800 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183843.46+180023.7 Mag 11.4 PmRA -15.00
PmDE -47.0
 
 
18387+1800 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183843.21+180030.6 Mag 11.6 PmRA -19.00
PmDE -42.0 Calc delta mag 0.2 Calc coord yes