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Current system
19064-3704
HJ 5084
Gam CrA


Nearby doubles
26' : 19081-3720
UC 3812

26' : 19043-3659
KOH 116

36' : 19046-3635
BRT1796

41' : 19031-3713
REP 48

44' : 19075-3622
B 963AB

46' : 19074-3620
UC 3807

48' : 19025-3658
KOH 115

50' : 19024-3656
REP 4

51' : 19056-3754
RST2086

52' : 19107-3659
KOH 117

54' : 19020-3658
BYJ 1

55' : 19019-3657
VSP 1

55' : 19054-3610
HJ 5083

57' : 19097-3745
KPP1406

58' : 19073-3607
UC 3805

59' : 19016-3653
B 957AB

60' : 19102-3625
JSP 803

61' : 19017-3645
KOH 114

64' : 19011-3657
JOY 7

64' : 19039-3608
UC 3784

64' : 19065-3808
COO 231

65' : 19011-3704
BSO 14AB

67' : 19118-3717
B 2472

67' : 19040-3804
I 1391

69' : 19013-3632
BRT1793

70' : 19019-3620
B 958



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.

19064-3704 HJ 5084 (Gam CrA)

 
 
19h 06m 25.14s -37° 03' 48.5" P.A. 322.00 sep 1.5 mag 5.01,5.05 Sp F8V+F8V dist. 17.3 pc (56.43 l.y.)
 
 
Coord 2000 19064-3704 Discov num HJ 5084 Comp Coord arcsec 2000 19 06 25.14 -37 03 48.5
Date first 1834 Date last 2021 Obs 296
Pa first 217 Pa last 322 P.A. Now (θ) 318.5°
Sep first 1.2 Sep last 1.52 Sep. Now (ρ) 1.555"
Mag pri 5.01 Mag sec 5.05 delta mag (ΔM) 0.04 Spectral class F8V+F8V (yellow-white/yellow-white)
Pri motion ra +088 Sec motion ra +088
Pri motion dec -284 Sec motion dec -284
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Gam CrA Constellation Corona Austrina SAO 210928 HIP 93825
Tycho2 7422-01737-1 Gaia DR2 6719152945032456832 HD 177474 HR 7226
GC 26263 GL Gl 743.1A CD CD-3713048 CP CP-37 8464
Bayer Gamma Coronae Austrinae Bayer name Gam CrA Distance 17.3 Distance ly 56.43
Bayer greek γ CrA
 
 
ORBITAL ELEMENTS
 
 
Period (P)122.2053y± 0.2386 Periastron (T)1877.8043y± 0.0811 Semi-major axis (a)1.88053a± 0.00423
Eccentricity (e)0.31572± 0.00125 Inclination (i)147.865°± 0.455 Longitude of periastron (ω)345.873°± 0.94
Node (Ω)48.725°± 0.705 Notesn ReferenceIzm2019
Equinox Last observation2014 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 60.8 1.276
2001 55.7 1.285
2002 50.7 1.293
2003 45.7 1.301
2004 40.8 1.308
2005 35.9 1.314
2006 31.1 1.321
2007 26.3 1.326
2008 21.6 1.332
2009 16.9 1.338
2010 12.2 1.344
2011 7.6 1.351
2012 3.0 1.360
2013 358.5 1.369
2014 354.1 1.380
2015 349.8 1.393
2016 345.5 1.407
2017 341.3 1.423
2018 337.2 1.441
2019 333.3 1.461
2020 329.4 1.482
2021 325.6 1.505
2022 322.0 1.529
2023 318.5 1.555
2024 315.1 1.582
2025 311.8 1.611
2026 308.6 1.640
2027 305.6 1.670
2028 302.6 1.701
2029 299.8 1.732
2030 297.0 1.763


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds19064-3704b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19064-3704 HJ 5084 (Gam CrA) : NOTES
 
 
discov_num notes refcode
HJ 5084 gam Cra.
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.38 +/- 0.65, 2.38, and 2.19 Msun, respectively. Mlk2012
Magnitudes changed to Hipparcos V magnitude on recommendation of Ross Fab2000a
Gould. Glr2022
 
 
REFERENCES
 
 
refcode metd author reference
Fab2000a Hh - Fabricius, C. & Makarov, V.V. 2000A&A...356..141F
Fab2000a A&A 356, 141, 2000
Glr2022 not u Gould, R. ...................
Glr2022 private communication, 2022 (11 August email)
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19064-3704 HJ 5084 1999 260 62 1.3 4.53 6.42 F8V F8V NOD 190625.14-370348.5
19064-3704 HJ 5084 2009 263 15 1.3 4.53 6.42 F8V F8V NOD 190625.14-370348.5
19064-3704 HJ 5084 2010 265 9 1.3 4.53 6.42 F8V F8V NOD 190625.14-370348.5
19064-3704 HJ 5084 2013 269 0 1.4 4.53 6.42 F8V F8V NOD 190625.14-370348.5
19064-3704 HJ 5084 2014 273 351 1.4 4.53 6.42 F8V+F8V NOD 190625.14-370348.5
19064-3704 HJ 5084 2016 274 343 1.6 4.53 6.42 F8V+F8V NO 190625.14-370348.5
19064-3704 HJ 5084 2017 278 338 1.4 4.53 6.42 F8V+F8V NO 190625.14-370348.5
19064-3704 HJ 5084 2018 285 333 1.5 4.53 6.42 F8V+F8V NO 190625.14-370348.5
19064-3704 HJ 5084 2019 287 330 1.5 4.53 6.42 F8V+F8V NO 190625.14-370348.5
19064-3704 HJ 5084 2020 291 325 1.5 4.53 6.42 F8V+F8V NO 190625.14-370348.5
19064-3704 HJ 5084 2021 296 322 1.5 5.01 5.05 F8V+F8V NO 190625.14-370348.5

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

 
 
WDS 19064-3704 HJ 5084 (Gam CrA) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19064-3704 HJ 5084 (Gam CrA) : MEASURES
 
 
No records found.

 
 
WDS 19064-3704 (Gam CrA) : VIRTUAL EYEPIECE
 
 

19064-3704 HJ 5084A mag 5.01 Sp F8V 19064-3704 HJ 5084B sep 1.4 P.A. 328.10 mag 5.05 Sp F8V 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 19064-3704 (Gam CrA) : ALADIN DSS IMAGE @ 19h 06m 25.14s -37° 03' 48.5"
 
 
 
 
WDS 19064-3704 HJ 5084 (Gam CrA) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19064-3704 HJ 5084 distance=0' 19081-3720 UC 3812 distance=26' 19043-3659 KOH 116 distance=26' 19046-3635 BRT1796 distance=36' 19031-3713 REP 48 distance=41' 19075-3622 B 963AB distance=44' 19075-3622 B 963AC distance=44' 19074-3620 UC 3807 distance=46' 19025-3658 KOH 115 distance=48' 19024-3656 REP 4 distance=50' 19056-3754 RST2086 distance=51' 19107-3659 KOH 117 distance=52' 19020-3658 BYJ 1 distance=54' 19019-3657 VSP 1 distance=55' 19054-3610 HJ 5083 distance=55' 19097-3745 KPP1406 distance=57' 19073-3607 UC 3805 distance=58' 19016-3653 CVN 13Ca,Cb distance=58' 19016-3653 B 957AB distance=59' 19016-3653 B 957AC distance=59' 19102-3625 JSP 803 distance=60' 19017-3645 KOH 114 distance=61' 19011-3657 JOY 7 distance=64' 19039-3608 UC 3784 distance=64' 19065-3808 COO 231 distance=64' 19011-3704 KOH 113Aa,Ab distance=65' 19011-3704 BSO 14AB distance=65' 19118-3717 B 2472 distance=67' 19040-3804 I 1391 distance=67' 19013-3632 BRT1793 distance=69' 19019-3620 B 958 distance=70' 19005-3656 KOH 112 distance=72' 19049-3555 UC 3788 distance=72' 19026-3800 RST2083 distance=73' 19027-3606 HJ 5080 distance=74' 19114-3618 UC 3838 distance=76' 19116-3609 VOU 80 distance=79' 18598-3707 BOY 15 distance=79' 19113-3757 UC 3837 distance=79' 19079-3825 RST2088 distance=84' 18592-3712 WLT 2 distance=87' 19003-3616 HJ 5077AB distance=88' 19003-3616 HJ 5077AC distance=88' 18588-3713 I 1114 distance=92' 19093-3537 UC 3825 distance=94' 19013-3553 UC 3763 distance=94' 19026-3539 UC 3771 distance=97' 19014-3548 BRT1794 distance=98' 19056-3522 BRT1797 distance=102' 19087-3526 SEE 370DE distance=102' 19087-3526 SEE 370AB distance=103' 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 19064-3704 HJ 5084 322 1.5
Show 19081-3720 UC 3812 271 28.3 26
Show 19043-3659 KOH 116 278 0.2 26
Show 19046-3635 BRT1796 257 5.4 36
Show 19031-3713 REP 48 44 2.1 41
Show 19075-3622 B 963 AB 62 3.1 44
Show 19075-3622 B 963 AC 93 20.9 44
Show 19074-3620 UC 3807 168 18.8 46
Show 19025-3658 KOH 115 339 0.2 48
Show 19024-3656 REP 4 58 4.5 50
Show 19056-3754 RST2086 20 4.8 51
Show 19107-3659 KOH 117 46 1.3 52
Show 19020-3658 BYJ 1 -1 -1.0 54
Show 19019-3657 VSP 1 134 0.2 55
Show 19054-3610 HJ 5083 3 22.0 55
Show 19097-3745 KPP1406 181 10.5 57
Show 19073-3607 UC 3805 311 64.4 58
Show 19016-3653 CVN 13 Ca,Cb 189 0.3 58
Show 19016-3653 B 957 AB 137 4.1 59
Show 19016-3653 B 957 AC 23 57.6 59
Show 19102-3625 JSP 803 321 3.2 60
Show 19017-3645 KOH 114 46 0.9 61
Show 19011-3657 JOY 7 154 1.3 64
Show 19039-3608 UC 3784 286 29.5 64
Show 19065-3808 COO 231 198 6.2 64
Show 19011-3704 KOH 113 Aa,Ab 99 0.1 65
Show 19011-3704 BSO 14 AB 280 12.8 65
Show 19118-3717 B 2472 231 0.9 67
Show 19040-3804 I 1391 120 0.3 67
Show 19013-3632 BRT1793 146 3.0 69
Show 19019-3620 B 958 149 3.9 70
Show 19005-3656 KOH 112 110 0.1 72
Show 19049-3555 UC 3788 154 64.4 72
Show 19026-3800 RST2083 21 4.2 73
Show 19027-3606 HJ 5080 246 5.5 74
Show 19114-3618 UC 3838 227 6.8 76
Show 19116-3609 VOU 80 321 2.7 79
Show 18598-3707 BOY 15 279 0.1 79
Show 19113-3757 UC 3837 16 99.5 79
Show 19079-3825 RST2088 306 0.7 84
Show 18592-3712 WLT 2 46 2.4 87
Show 19003-3616 HJ 5077 AB 95 7.9 88
Show 19003-3616 HJ 5077 AC 314 14.2 88
Show 18588-3713 I 1114 279 1.3 92
Show 19093-3537 UC 3825 187 31.6 94
Show 19013-3553 UC 3763 157 68.4 94
Show 19026-3539 UC 3771 195 36.5 97
Show 19014-3548 BRT1794 176 4.2 98
Show 19056-3522 BRT1797 86 3.9 102
Show 19087-3526 SEE 370 DE 216 6.1 102
Show 19087-3526 SEE 370 AB 91 2.5 103

 
 
WDS 19064-3704 : COMPONENTS
 
 
  A
B pa=328.1°
sep=1.41"
 
 
19064-3704 A
 
 
Componente originario normalizzato AB Name Gam CrA Coord arcsec 2000 190625.14-370348.5 Mag 5.01
Spectral class F8V (yellow-white) PmRA 88.00 PmDE -284.0 SAO 210928
HIP 93825 Tycho2 7422-01737-1 HD 177474 HR 7226
GC 26263 CD CD-3713048 CP CP-37 8464 Bayer Gamma
Bayer name Gam
Tycho2
Tycho2 7422-01737-1 Pflag RAmdeg 286.60479182 DEmdeg -37.06349317
PmRA 87.7 PmDE -283.9 E RAmdeg 3 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.71 EpDEm 1991.34
Num 17 Q RAmdeg 2.3 Q DEmdeg 1.8 Q pmRA 2.5
Q pmDE 1.8 BTmag 4.968 E BTmag 0.014 VTmag 4.409
E VTmag 0.009 Prox 999 TYC HIP 93825
CCDM AB RAdeg 286.60454306 DEdeg -37.06282667 EpRA 1990 1.85
EpDE 1990 1.55 E RAdeg 3.2 E DEdeg 3.8 Posflg P
Corr 0.2
SAO
SAO 210928 DelFlag RA1950 PmRA1950 0.0079
DE1950 PmDE1950 -0.273 Vmag 4.3 SpType F8
Double code Source 70 CatNum 26263 DM CD-3713048
DMcomp BDsup HD 177474 M HD 9
GC 26263 RA1950rad 4.98745289 DE1950rad -0.64816423 PmRA2000 0.008
PmDE2000 -0.274
Hipparcos
Catalog H HIP 93825 Proxy H RAhms 19 06 25.04
DEdms -37 03 45.9 Vmag 4.23 VarFlag R Vmag G
RAdeg 286.604 DEdeg -37.0628 AstroRef A Plx 55.89
CCDM 19064-3704 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 107 Rho 1.214 HD 177474 BD
CD CD-3713048 CP CP-37 8464 Dm number -3713048 VIred 0.59
SpType F7IV-V R SpType Coord arcsec 2000 190625.04-370345.9
Hipparcos 2
HIP 93825 Sn 15 So 3 Nc 2
RArad 5.0021892252 DErad -0.6468671394 Plx 57.79 PmRA 96.74
PmDE -281.71 E RArad 0.74 E DErad 0.42 E Plx 0.75
E pmRA 1.05 E pmDE 0.58 Hpmag 4.3123 E Hpmag 0.0006
SHp 0.004 VA 0 BV 0.523 E BV 0.01
VI 0.59
CCDM
Ccdm 19064-3704 RComp Comp A Note1
Note2 Discov num DRAs 1.36 DDEs 12.7
R dRAs 41 Year Theta Rho
Obs 2 Vmag 5.0 Sp F8 PmNote
PmRA 145 PmDE -258 Dm number -3713048 Cat1 CD
Name2 210928 Cat2 SAO HD 177474 M HD
ADS BDS M ADS BDS N IDS IDS 18597S3712A
HIC 93825
 
 
19064-3704 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 190625.08-370347.3 Mag 5.05 Spectral class F8V (yellow-white)
PmRA 88.00 PmDE -284.0 Calc delta mag 0.04 Calc coord yes
CCDM
Ccdm 19064-3704 RComp Comp B Note1 *
Note2 Discov num HJ 5084 DRAs DDEs
R dRAs Year 1834 Theta Rho
Obs 99 Vmag 5.1 Sp F8 PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD 177475 M HD
ADS BDS M ADS BDS N IDS IDS 18597S3712B
HIC 93825