21232-8703 HJ 5192 AB,C (HD 198477)

 
 
21h 23m 09.94s -87° 03' 08.4" P.A. 318.00 sep 17.9 mag 8.82,9.02 Sp G8:III dist. 33.07 pc (107.87 l.y.)
 
 
Coord 2000 21232-8703 Discov num HJ 5192 Comp AB,C Coord arcsec 2000 21 23 09.94 -87 03 08.4
Date first 1837 Date last 2000 Obs 18
Pa first 327 Pa last 318.4 P.A. Now (θ) 318.4°
Sep first 21.0 Sep last 17.91 Sep. Now (ρ) 17.91"
Mag pri 8.82 Mag sec 9.02 delta mag (ΔM) 0.2 Spectral class G8:III (yellow)
Pri motion ra +125 Sec motion ra +129
Pri motion dec -089 Sec motion dec -092
Notes V (Proper motion indicates physical)
rPM=0.032 (< 0.3, Physical double)
This double is physical.
 
 
21232-8703 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 23 10 -87 03 08 I 337 AB 2017 6 99 0.2 9.10 10.10 1.00 Y
Show HD 198477 21 23 10 -87 03 08 HJ 5192 AB,C 2000 18 318 17.9 8.82 9.02 0.20 <===
Show 21 23 10 -87 03 08 I 337 AD 2000 3 88 29.4 9.30 12.76 3.46
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198477 Constellation Octans HIP 105585 Tycho2 9532-00510-1
Gaia DR2 6342009495947839744 HD 198477 CP CP-87 303 Distance 33.07
Distance ly 107.87
 
 
WDS 21232-8703 HJ 5192 AB,C (HD 198477) : NOTES
 
 
discov_num notes refcode
I 337 Combined solution. Tok2018d
 
 
REFERENCES
 
 
refcode metd author reference
Tok2018d orb j Tokovinin, A. 2018AJ....156...48T
Tok2018d AJ 156, 48, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
50 I Innes, R.T.A.
54 I MNRAS 57, 533, 1897 (data also in I__1897b,
54 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21232-8703 HJ 5192 AB,C 2000 18 318 17.9 8.82 9.02 G8:III D 212309.94-870308.4

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WDS 21232-8703 HJ 5192 AB,C (HD 198477) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21232-8703 HJ 5192 AB,C (HD 198477) : MEASURES
 
 
No records found.

 
 
WDS 21232-8703 (HD 198477) : VIRTUAL EYEPIECE
 
 

21232-8703 I   337A mag 9.1 Sp G8:III 21232-8703 I   337B sep 0.0 P.A. 162.40 mag 10.1 21232-8703 HJ 5192C sep 13.4 P.A. 357.40 mag 9.02 21232-8703 I   337D sep 1.8 P.A. 58.60 mag 12.76 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 21232-8703 (HD 198477) : ALADIN DSS IMAGE @ 21h 23m 09.94s -87° 03' 08.4"
 
 
 
 
WDS 21232-8703 HJ 5192 AB,C (HD 198477) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


21232-8703  I   337AB distance=1' 21232-8703  HJ 5192AB,C distance=1' 21232-8703  I   337AD distance=1' 21079-8645  JSP 815 distance=21' 21057-8443  UC 4376 distance=142' 21201-8439  UC 4446 distance=145' 21382-8435  TDT3070 distance=149' 21213-8419  HJ 5235 distance=165' 21159-8316  HJ 5233 distance=228' 21378-8301  UC 4515 distance=243' 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 21232-8703 I 337 AB 99 0.2 1
Show 21232-8703 HJ 5192 AB,C 318 17.9 1
Show 21232-8703 I 337 AD 88 29.4 1
Show 21079-8645 JSP 815 289 2.2 21
Show 21057-8443 UC 4376 117 7.9 142
Show 21201-8439 UC 4446 95 8.2 145
Show 21382-8435 TDT3070 109 2.4 149
Show 21213-8419 HJ 5235 80 3.2 165
Show 21159-8316 HJ 5233 268 11.7 228
Show 21378-8301 UC 4515 56 52.5 243

 
 
WDS 21232-8703 : COMPONENTS
 
 
  A B C
B pa=162.4°
sep=0.04"
 
C pa=357.4°
sep=13.41"
pa=357.3°
sep=13.44"
 
D pa=58.6°
sep=1.77"
pa=57.5°
sep=1.78"
pa=170.3°
sep=12.65"
 
 
21232-8703 A
 
 
Coord arcsec 2000 212309.94-870308.4 Mag 9.1 Spectral class G8:III (yellow) PmRA 125.00
PmDE -89.0 HIP 105585 HD 198477 CP CP-87 303
Hipparcos
Catalog H HIP 105585 Proxy RAhms 21 23 08.57
DEdms -87 03 07.5 Vmag 8.8 VarFlag R Vmag H
RAdeg 320.786 DEdeg -87.0521 AstroRef A Plx 19.1
CCDM 21230-8703 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 198477 BD
CD CP CP-87 303 Dm number -87 303 VIred 0.78
SpType G8:III:+... R SpType Coord arcsec 2000 212308.57-870307.5
Hipparcos 2
HIP 105585 Sn 95 So 3 Nc 1
RArad 5.5987637502 DErad -1.5193454576 Plx 30.24 PmRA 116.74
PmDE -81.55 E RArad 4.08 E DErad 3.84 E Plx 4.85
E pmRA 4.75 E pmDE 4.2 Hpmag 9.0319 E Hpmag 0.0331
SHp 0 VA 0 BV 0.758 E BV 0.017
VI 0.8
 
 
21232-8703 B
 
 
Coord arcsec 2000 212309.95-870308.4 Mag 10.1 Calc delta mag 1 Calc coord yes
 
 
21232-8703 C
 
 
Coord arcsec 2000 212309.15-870255.0 Mag 9.02 PmRA 129.00 PmDE -92.0
Tycho2 9532-00510-1 Calc delta mag 0.08 Calc coord yes
Tycho2
Tycho2 9532-00510-1 Pflag RAmdeg 320.79126981 DEmdeg -87.05229376
PmRA 124.5 PmDE -88.9 E RAmdeg 9 E DEmdeg 9
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.69 EpDEm 1990.47
Num 9 Q RAmdeg 0.8 Q DEmdeg 0.9 Q pmRA 0.8
Q pmDE 0.9 BTmag 9.672 E BTmag 0.022 VTmag 8.821
E VTmag 0.014 Prox 180 TYC T HIP 105585
CCDM A RAdeg 320.78570583 DEdeg -87.05208889 EpRA 1990 1.73
EpDE 1990 1.72 E RAdeg 8.9 E DEdeg 8.8 Posflg
Corr 0.0
 
 
21232-8703 D
 
 
Coord arcsec 2000 212311.90-870307.5 Mag 12.76 PmRA 7.00 PmDE 6.0
Calc delta mag 3.66 Calc coord yes