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Doubles in session


Current system
18498+0801
HJ 869


Nearby doubles
9' : 18502+0807
J 2236

10' : 18503+0807
HU 254

23' : 18488+0745
J 1274

23' : 18496+0823
HEI 805

32' : 18490+0732
J 808

33' : 18479+0743
STF2389

44' : 18508+0842
HU 256

45' : 18507+0843
J 1835

47' : 18528+0811
TDT1106

48' : 18480+0841
HU 253

51' : 18504+0850
J 530

53' : 18474+0841
ELP 43

55' : 18463+0821
TDT1045

57' : 18510+0854
J 2532

57' : 18495+0705
HJ 867

60' : 18458+0755
TDT1040

60' : 18504+0900
BRT2610

63' : 18456+0754
TDT1038

68' : 18469+0856
J 2148AB

77' : 18447+0747
J 2921

81' : 18477+0916
HU 252AB

81' : 18475+0648
TDT1057AB

82' : 18456+0708
KPP1100

82' : 18549+0830
HU 259

86' : 18555+0816
J 1191

88' : 18551+0838
J 1276



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.

18498+0801 HJ 869

 
 
18h 49m 45.06s +08° 01' 06.6" P.A. 260.00 sep 10.1 mag 12.30,11.71
 
 
Coord 2000 18498+0801 Discov num HJ  869 Comp Coord arcsec 2000 18 49 45.06 +08 01 06.6
Date first 1919 Date last 2015 Obs 11
Pa first 261 Pa last 260.1 P.A. Now (θ) 260.1°
Sep first 10.3 Sep last 10.05 Sep. Now (ρ) 10.05"
Mag pri 12.30 Mag sec 11.71 delta mag (ΔM) 0.59 Spectral class
Pri motion ra +002 Sec motion ra +001
Pri motion dec -003 Sec motion dec -005
Notes
rPM=0.439
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 1026-01125-1 Gaia DR2 4286284864993887232
 
 
WDS 18498+0801 HJ 869 : 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
18498+0801 HJ 869 2003 6 271 10.1 12.30 11.71 D 184945.06+080106.6
18498+0801 HJ 869 2010 7 260 9.7 12.30 11.71 184945.06+080106.6
18498+0801 HJ 869 2015 7 260 9.9 12.30 11.71 184945.06+080106.6

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

 
 
WDS 18498+0801 HJ 869 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18498+0801 HJ 869 : MEASURES
 
 
No records found.

 
 
WDS 18498+0801 : VIRTUAL EYEPIECE
 
 

18498+0801 HJ 869A mag 12.3 18498+0801 HJ 869B sep 9.9 P.A. 260.00 mag 11.71 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 18498+0801 : ALADIN DSS IMAGE @ 18h 49m 45.06s +08° 01' 06.6"
 
 
 
 
WDS 18498+0801 HJ 869 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18498+0801 HJ 869 distance=0' 18502+0807 J 2236 distance=9' 18503+0807 HU 254 distance=10' 18488+0745 J 1274 distance=23' 18496+0823 HEI 805 distance=23' 18490+0732 J 808 distance=32' 18479+0743 STF2389 distance=33' 18508+0842 HU 256 distance=44' 18507+0843 J 1835 distance=45' 18528+0811 TDT1106 distance=47' 18480+0841 HU 253 distance=48' 18504+0850 J 530 distance=51' 18474+0841 ELP 43 distance=53' 18463+0821 TDT1045 distance=55' 18510+0854 J 2532 distance=57' 18495+0705 HJ 867 distance=57' 18458+0755 TDT1040 distance=60' 18504+0900 BRT2610 distance=60' 18456+0754 TDT1038 distance=63' 18469+0856 DAM 120BC distance=68' 18469+0856 J 2148AB distance=68' 18447+0747 J 2921 distance=77' 18477+0916 HU 252AB distance=81' 18477+0916 GII 271Aa,Ab distance=81' 18475+0648 TDT1057AB distance=81' 18475+0648 J 2234AC distance=81' 18456+0708 KPP1100 distance=82' 18549+0830 HU 259 distance=82' 18555+0816 J 1191 distance=86' 18551+0838 J 1276 distance=88' 18549+0716 J 1275 distance=90' 18535+0912 ROE 112BC distance=90' 18535+0912 ROE 112AB distance=90' 18535+0912 ROE 112AC distance=90' 18556+0832 J 3205 distance=94' 18556+0833 J 3204 distance=94' 18431+0742 LDS1013AB distance=101' 18431+0742 LDS1013BC distance=103' 18510+0942 TDT1084 distance=103' 18427+0742 HEI 870AB distance=107' 18427+0742 HEI 870Aa,Ab distance=107' 18451+0639 HDS2658 distance=107' 18511+0949 J 2927AB distance=110' 18511+0949 DAM 123AC distance=110' 18544+0636 J 1836 distance=111' 18422+0739 HEI 869 distance=114' 18443+0640 CRT 6AB distance=115' 18443+0640 CRT 6AC distance=115' 18443+0640 CRT 6AD distance=115' 18443+0640 CRT 6AE distance=115' 18443+0640 CRT 6AF distance=115' 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 18498+0801 HJ 869 260 10.1
Show 18502+0807 J 2236 185 4.6 9
Show 18503+0807 HU 254 157 1.1 10
Show 18488+0745 J 1274 153 3.1 23
Show 18496+0823 HEI 805 214 2.8 23
Show 18490+0732 J 808 343 1.6 32
Show 18479+0743 STF2389 310 31.9 33
Show 18508+0842 HU 256 41 4.3 44
Show 18507+0843 J 1835 176 8.5 45
Show 18528+0811 TDT1106 257 0.5 47
Show 18480+0841 HU 253 311 0.7 48
Show 18504+0850 J 530 185 3.7 51
Show 18474+0841 ELP 43 58 7.0 53
Show 18463+0821 TDT1045 302 0.7 55
Show 18510+0854 J 2532 277 4.7 57
Show 18495+0705 HJ 867 299 9.7 57
Show 18458+0755 TDT1040 186 2.3 60
Show 18504+0900 BRT2610 353 4.0 60
Show 18456+0754 TDT1038 238 0.4 63
Show 18469+0856 DAM 120 BC 91 8.1 68
Show 18469+0856 J 2148 AB 168 5.2 68
Show 18447+0747 J 2921 180 6.0 77
Show 18477+0916 HU 252 AB 16 0.1 81
Show 18477+0916 GII 271 Aa,Ab 175 0.1 81
Show 18475+0648 TDT1057 AB 121 2.3 81
Show 18475+0648 J 2234 AC 57 5.5 81
Show 18456+0708 KPP1100 154 8.7 82
Show 18549+0830 HU 259 3 0.2 82
Show 18555+0816 J 1191 39 8.9 86
Show 18551+0838 J 1276 107 3.0 88
Show 18549+0716 J 1275 198 2.4 90
Show 18535+0912 ROE 112 BC 223 36.3 90
Show 18535+0912 ROE 112 AB 239 7.3 90
Show 18535+0912 ROE 112 AC 226 43.3 90
Show 18556+0832 J 3205 148 6.2 94
Show 18556+0833 J 3204 88 5.8 94
Show 18431+0742 LDS1013 AB 294 112.8 101
Show 18431+0742 LDS1013 BC 226 0.4 103
Show 18510+0942 TDT1084 6 0.5 103
Show 18427+0742 HEI 870 AB 347 1.7 107
Show 18427+0742 HEI 870 Aa,Ab 246 0.9 107
Show 18451+0639 HDS2658 201 0.1 107
Show 18511+0949 J 2927 AB 304 3.1 110
Show 18511+0949 DAM 123 AC 143 5.5 110
Show 18544+0636 J 1836 93 6.7 111
Show 18422+0739 HEI 869 225 2.0 114
Show 18443+0640 CRT 6 AB 262 4.6 115
Show 18443+0640 CRT 6 AC 323 5.4 115
Show 18443+0640 CRT 6 AD 135 5.9 115
Show 18443+0640 CRT 6 AE 340 6.0 115
Show 18443+0640 CRT 6 AF 36 6.1 115

 
 
WDS 18498+0801 : COMPONENTS
 
 
  A
B pa=260.0°
sep=9.95"
 
 
18498+0801 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184945.06+080106.6 Mag 12.3 PmRA 2.00
PmDE -3.0 Tycho2 1026-01125-1
Tycho2
Tycho2 1026-01125-1 Pflag RAmdeg 282.43776195 DEmdeg 8.01850187
PmRA -4.5 PmDE -6.1 E RAmdeg 145 E DEmdeg 145
E pmRA 4.6 E pmDE 4.4 EpRAm 1973.23 EpDEm 1970.38
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.246 E BTmag 0.179 VTmag 12.295
E VTmag 0.252 Prox 98 TYC HIP
CCDM RAdeg 282.43777194 DEdeg 8.01851611 EpRA 1990 1.72
EpDE 1990 1.69 E RAdeg 167.9 E DEdeg 173.2 Posflg
Corr -0.1
 
 
18498+0801 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184944.40+080104.9 Mag 11.71 PmRA 1.00
PmDE -5.0 Tycho2 1026-01121-1 Calc delta mag 0.59 Calc coord yes
Tycho2
Tycho2 1026-01121-1 Pflag RAmdeg 282.43506828 DEmdeg 8.01803297
PmRA 3.7 PmDE -4.4 E RAmdeg 68 E DEmdeg 70
E pmRA 2.7 E pmDE 2.6 EpRAm 1982.85 EpDEm 1980.97
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.8 Q pmRA 0.3
Q pmDE 0.8 BTmag 11.871 E BTmag 0.105 VTmag 11.708
E VTmag 0.161 Prox 98 TYC HIP
CCDM RAdeg 282.43505972 DEdeg 8.01804278 EpRA 1990 1.69
EpDE 1990 1.68 E RAdeg 71.9 E DEdeg 75.0 Posflg
Corr -0.1