18425+0439 HJ 866 AC

 
 
18h 42m 33.40s +04° 39' 08.6" P.A. 322.00 sep 12.7 mag 11.61,15.60
 
 
Coord 2000 18425+0439 Discov num HJ  866 Comp AC Coord arcsec 2000 18 42 33.40 +04 39 08.6
Date first 1950 Date last 2015 Obs 10
Pa first 313 Pa last 322.1 P.A. Now (θ) 322.1°
Sep first 11.7 Sep last 12.652 Sep. Now (ρ) 12.652"
Mag pri 11.61 Mag sec 15.60 delta mag (ΔM) 3.99 Spectral class
Pri motion ra -022 Sec motion ra -004
Pri motion dec -016 Sec motion dec +000
Notes U (Proper motion indicates non-physical)
rPM=0.885
This double is not physical.
 
 
18425+0439 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 42 33 +04 39 09 HJ 866 AB 2015 10 83 17.7 11.61 12.60 0.99
Show 18 42 33 +04 39 09 HJ 866 AC 2015 10 322 12.7 11.61 15.60 3.99 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Tycho2 0455-01027-1 Gaia DR2 4283657204003357440
 
 
WDS 18425+0439 HJ 866 AC : 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
18425+0439 HJ 866 AC 2003 6 321 12.7 11.61 15.60 DU 184233.40+043908.6
18425+0439 HJ 866 AC 2010 6 320 12.2 11.61 15.60 U 184233.40+043908.6
18425+0439 HJ 866 AC 2015 6 322 12.7 11.61 15.60 U 184233.40+043908.6

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

 
 
WDS 18425+0439 HJ 866 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18425+0439 HJ 866 AC : MEASURES
 
 
No records found.

 
 
WDS 18425+0439 : VIRTUAL EYEPIECE
 
 

18425+0439 HJ  866A mag 11.61 18425+0439 HJ  866B sep 17.6 P.A. 83.30 mag 12.6 18425+0439 HJ  866C sep 12.6 P.A. 322.20 mag 15.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 18425+0439 : ALADIN DSS IMAGE @ 18h 42m 33.40s +04° 39' 08.6"
 
 
 
 
WDS 18425+0439 HJ 866 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18425+0439  HJ  866AC distance=0' 18436+0444  A   357 distance=17' 18413+0433  J  2143 distance=20' 18433+0502  J   527 distance=26' 18425+0518  TDT1014 distance=39' 18454+0444  BAL2935 distance=44' 18439+0346  TDS 939 distance=57' 18388+0446  RAO 395 distance=57' 18387+0451  STT 360 distance=60' 18428+0541  TOK 324 distance=63' 18437+0539  STT 361 distance=63' 18465+0420  TDT1050 distance=63' 18468+0443  TDT1051 distance=64' 18436+0337  TDT1019 distance=64' 18465+0504  KPP4120 distance=65' 18425+0334  J   464AB distance=65' 18425+0334  J   464AC distance=65' 18429+0545  BU  136 distance=66' 18385+0504  BAL2933 distance=66' 18455+0530  FIN 332Aa,Ab distance=67' 18455+0530  STF2375AB distance=67' 18455+0530  FIN 332Ba,Bb distance=67' 18379+0432  BAL2932 distance=70' 18379+0451  LDS5241 distance=70' 18382+0410  TDT 968 distance=72' 18391+0535  GWP2789AB distance=76' 18391+0535  GWP2790AC distance=76' 18429+0324  BAL2499 distance=76' 18427+0556  WOL   3AB distance=78' 18427+0556  CRT  11AC distance=78' 18427+0556  CRT  11AD distance=78' 18427+0556  CRT  11AE distance=78' 18427+0556  CRT  11AF distance=78' 18427+0556  CRT  11AG distance=78' 18427+0556  CRT  11AH distance=78' 18427+0556  CRT  11AI distance=78' 18427+0556  CRT  11AJ distance=78' 18427+0556  CRT  11AK distance=78' 18427+0556  CRT  11AL distance=78' 18427+0556  CRT  11AM distance=78' 18427+0556  CRT  11AN distance=78' 18427+0556  CRT  11AO distance=78' 18427+0556  CRT  11AP distance=78' 18427+0556  CRT  11AQ distance=78' 18427+0556  CRT  11AR distance=78' 18427+0556  CRT  11AS distance=78' 18427+0556  CRT  11AT distance=78' 18427+0556  CRT  11AU distance=78' 18427+0556  CRT  11AV distance=78' 18427+0556  CRT  11A,Wa distance=78' 18427+0556  CRT  11A,Wb distance=78' 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 18425+0439 HJ 866 AB 83 17.7
Show 18425+0439 HJ 866 AC 322 12.7
Show 18436+0444 A 357 71 0.6 17
Show 18413+0433 J 2143 319 15.2 20
Show 18433+0502 J 527 40 3.2 26
Show 18425+0518 TDT1014 339 0.7 39
Show 18454+0444 BAL2935 161 5.8 44
Show 18439+0346 TDS 939 68 1.3 57
Show 18388+0446 RAO 395 153 0.4 57
Show 18387+0451 STT 360 282 1.7 60
Show 18428+0541 TOK 324 246 222.4 63
Show 18437+0539 STT 361 172 22.6 63
Show 18465+0420 TDT1050 134 0.5 63
Show 18468+0443 TDT1051 168 1.6 64
Show 18436+0337 TDT1019 132 0.4 64
Show 18465+0504 KPP4120 1 1.8 65
Show 18425+0334 J 464 AB 110 0.9 65
Show 18425+0334 J 464 AC 134 3.4 65
Show 18429+0545 BU 136 7 4.6 66
Show 18385+0504 BAL2933 235 19.3 66
Show 18455+0530 FIN 332 Aa,Ab 142 0.0 67
Show 18455+0530 STF2375 AB 120 2.6 67
Show 18455+0530 FIN 332 Ba,Bb 324 0.1 67
Show 18379+0432 BAL2932 297 18.3 70
Show 18379+0451 LDS5241 329 29.8 70
Show 18382+0410 TDT 968 35 0.4 72
Show 18391+0535 GWP2789 AB 359 35.5 76
Show 18391+0535 GWP2790 AC 267 107.3 76
Show 18429+0324 BAL2499 319 11.5 76
Show 18427+0556 WOL 3 AB 307 2.5 78
Show 18427+0556 CRT 11 AC 163 3.1 78
Show 18427+0556 CRT 11 AD 223 4.1 78
Show 18427+0556 CRT 11 AE 217 7.6 78
Show 18427+0556 CRT 11 AF 56 8.0 78
Show 18427+0556 CRT 11 AG 263 8.8 78
Show 18427+0556 CRT 11 AH 5 10.4 78
Show 18427+0556 CRT 11 AI 113 10.8 78
Show 18427+0556 CRT 11 AJ 211 11.0 78
Show 18427+0556 CRT 11 AK 159 11.3 78
Show 18427+0556 CRT 11 AL 119 11.4 78
Show 18427+0556 CRT 11 AM 206 11.7 78
Show 18427+0556 CRT 11 AN 104 12.0 78
Show 18427+0556 CRT 11 AO 235 12.0 78
Show 18427+0556 CRT 11 AP 256 12.3 78
Show 18427+0556 CRT 11 AQ 178 12.8 78
Show 18427+0556 CRT 11 AR 13 12.8 78
Show 18427+0556 CRT 11 AS 4 13.4 78
Show 18427+0556 CRT 11 AT 293 13.5 78
Show 18427+0556 CRT 11 AU 94 14.5 78
Show 18427+0556 CRT 11 AV 102 14.8 78
Show 18427+0556 CRT 11 A,Wa 31 16.1 78

 
 
WDS 18425+0439 : COMPONENTS
 
 
  A B
B pa=83.3°
sep=17.61"
 
C pa=322.2°
sep=12.64"
pa=287.4°
sep=26.45"
 
 
18425+0439 A
 
 
Coord arcsec 2000 184233.40+043908.6 Mag 11.61 PmRA -22.00 PmDE -16.0
Tycho2 0455-01027-1
Tycho2
Tycho2 0455-01027-1 Pflag RAmdeg 280.63916770 DEmdeg 4.65241367
PmRA -24.2 PmDE -16.4 E RAmdeg 51 E DEmdeg 61
E pmRA 2.0 E pmDE 2.0 EpRAm 1979.78 EpDEm 1975.29
Num 4 Q RAmdeg 0.6 Q DEmdeg 0.4 Q pmRA 0.6
Q pmDE 0.4 BTmag 12.395 E BTmag 0.187 VTmag 11.609
E VTmag 0.134 Prox 999 TYC HIP
CCDM RAdeg 280.63921556 DEdeg 4.65244417 EpRA 1990 1.78
EpDE 1990 1.64 E RAdeg 70.7 E DEdeg 85.8 Posflg
Corr -0.2
 
 
18425+0439 B
 
 
Coord arcsec 2000 184234.57+043910.7 Mag 12.6 PmRA 9.00 PmDE -9.0
Calc delta mag 0.99 Calc coord yes
 
 
18425+0439 C
 
 
Coord arcsec 2000 184232.88+043918.6 Mag 15.6 PmRA -4.00 PmDE 0.0
Calc delta mag 3.99 Calc coord yes