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Doubles in session


Current system
17254-5623
HJ 4942 AB
Gam Ara


Nearby doubles
3' : 17252-5621
BRT3318

10' : 17246-5629
HRG 123

11' : 17251-5613
RST 923

19' : 17255-5604
RST 925

24' : 17253-5600
HDS2459

27' : 17228-5608
RST 921

33' : 17215-5628
HJ 4939

36' : 17284-5558
CPO 526

40' : 17207-5625
FIN 255AB

45' : 17305-5609
KPP2999

47' : 17309-5621
FIN 257

54' : 17317-5618
LDS 600

55' : 17241-5716
BRT2823

61' : 17220-5528
BRT3183

69' : 17335-5636
BRT3185

74' : 17297-5519
BRT2581

78' : 17286-5510
HDO 273

78' : 17206-5730
BRT2822

81' : 17301-5733
HJ 4950

82' : 17209-5511
TDT 316

89' : 17326-5519
BRT3184

90' : 17188-5734
RST 916

92' : 17340-5526
TDT 418

99' : 17166-5519
RST 913

100' : 17229-5801
HDO 270AB

101' : 17362-5538
HJ 4959



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.

17254-5623 HJ 4942 AB (Gam Ara)

 
 
17h 25m 23.66s -56° 22' 39.7" P.A. 326.00 sep 18.4 mag 3.32,10.21 Sp B1Ib dist. 341.3 pc (1113.32 l.y.)
 
 
Coord 2000 17254-5623 Discov num HJ 4942 Comp AB Coord arcsec 2000 17 25 23.66 -56 22 39.7
Date first 1835 Date last 2016 Obs 14
Pa first 324 Pa last 326.1 P.A. Now (θ) 326.1°
Sep first 18.0 Sep last 18.42 Sep. Now (ρ) 18.42"
Mag pri 3.32 Mag sec 10.21 delta mag (ΔM) 6.89 Spectral class B1Ib (blue-white)
Pri motion ra -010 Sec motion ra
Pri motion dec -025 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
17254-5623 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Gam Ara 244726 17 25 24 -56 22 40 HJ 4942 AB 2016 14 326 18.4 3.32 10.21 6.89 <===
Show 244726 17 25 24 -56 22 40 HJ 4942 AC 2016 7 64 41.2 3.32 12.16 8.84
Show 244726 17 25 24 -56 22 40 ANT 5 AD 2008 3 39 47.2 3.32 12.00 8.68
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Gam Ara Constellation Ara SAO 244726 HIP 85267
Tycho2 8736-03857-1 Gaia DR2 5922299343254265088 HD 157246 HR 6462
GC 23517 CP CP-56 8225 Bayer Gamma Arae Bayer name Gam Ara
Distance 341.3 Distance ly 1113.32 Bayer greek γ Ara
 
 
WDS 17254-5623 HJ 4942 AB (Gam Ara) : NOTES
 
 
discov_num notes refcode
HJ 4942 gam Ara
 
 
REFERENCES
 
 
refcode metd author reference
Ant2001 C - Anton, R. ...................
Ant2001 private communication, 2001
Ant2004 C u Anton, R. 2004DSO....10....1A
Ant2004 Double Star Observer 10, #1, 2004
Ant2006 C u Anton, R. 2006JDSO....2..108A
Ant2006 JDSO 2, 108, 2006
Ant2008 C u Anton, R. 2008JDSO....4...40A
Ant2008 JDSO 4, 40, 2008
Ant2009 C u Anton, R. 2009JDSO....5...65A
Ant2009 JDSO 5, 65, 2009
Ant2010 C u Anton, R. 2010JDSO....6..133A
Ant2010 JDSO 6, 133, 2010
Ant2010b C u Anton, R. 2010JDSO....6..180A
Ant2010b JDSO 6, 180, 2010
Ant2011 C u Anton, R. 2011JDSO....7...64A
Ant2011 JDSO 7, 64, 2011
Ant2011b C u Anton, R. 2011JDSO....7...76A
Ant2011b JDSO 7, 76, 2011
Ant2012 C u Anton, R. 2012JDSO....8...15A
Ant2012 JDSO 8, 15, 2012
Ant2014 Cl u Anton, R. 2014JDSO...10..125A
Ant2014 JDSO 10, 125, 2014
Ant2014b Cl u Anton, R. 2014JDSO...10..232A
Ant2014b JDSO 10, 232, 2014
Ant2015 Cl u Anton, R. 2015JDSO...11...81A
Ant2015 JDSO 11, 81, 2015
Ant2017a Cl u Anton, R. 2017JDSO...13..288A
Ant2017a JDSO 13, 288, 2017
Ant2017b Cl u Anton, R. 2017JDSO...13..495A
Ant2017b +S JDSO 13, 495, 2017
Ant2019a Cl u Anton, R. .
Ant2019a +S private communication, 2019 (18 August email)
Ant2019b Cl u Anton, R. 2019JDSO...15..336A
Ant2019b +S JDSO 15, 336, 2019
Ant2020 Cl+ u Anton, R. & Ohlert, J.M. 2020JDSO...16..454A
Ant2020 +S JDSO 16, 454, 2020
Ant2021 Cl Anton, R. 2021JDSO...17...27A
Ant2021 JDSO 17, 27, 2021
Ant2021b S Anton, R. .
Ant2021b private communiction, 2021 (17 Aug 2021 email)
Ant2022 S u Ohlert, J.M. & Anton, R. 2022JDSO...18..111O
Ant2022 JDSO 18, 111, 2022
Ant2023 S u Anton, R. & Ohlert, J.M. 2023JDSO...19...95A
Ant2023 JDSO 19, 95, 2023
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
17254-5623 HJ 4942 AB 2002 12 328 17.8 3.32 10.21 B1Ib N D 172523.66-562239.7
17254-5623 HJ 4942 AB 2008 13 326 18.1 3.32 10.21 B1Ib N D 172523.66-562239.7
17254-5623 HJ 4942 AB 2016 14 326 18.4 3.32 10.21 B1Ib N 172523.66-562239.7

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

 
 
WDS 17254-5623 HJ 4942 AB (Gam Ara) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17254-5623 HJ 4942 AB (Gam Ara) : MEASURES
 
 
No records found.

 
 
WDS 17254-5623 (Gam Ara) : VIRTUAL EYEPIECE
 
 

17254-5623 HJ 4942A mag 3.32 Sp B1Ib 17254-5623 HJ 4942B sep 16.3 P.A. 339.60 mag 10.21 17254-5623 HJ 4942C sep 27.2 P.A. 49.10 mag 12.16 17254-5623 ANT 5D sep 40.1 P.A. 24.50 mag 12 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 17254-5623 (Gam Ara) : ALADIN DSS IMAGE @ 17h 25m 23.66s -56° 22' 39.7"
 
 
 
 
WDS 17254-5623 HJ 4942 AB (Gam Ara) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17254-5623 HJ 4942AB distance=0' 17252-5621 BRT3318 distance=3' 17246-5629 HRG 123 distance=10' 17251-5613 RST 923 distance=11' 17255-5604 RST 925 distance=19' 17253-5600 HDS2459 distance=24' 17228-5608 RST 921 distance=27' 17215-5628 HJ 4939 distance=33' 17284-5558 CPO 526 distance=36' 17207-5625 FIN 255AB distance=40' 17207-5625 HJ 4938AB,C distance=40' 17305-5609 KPP2999 distance=45' 17309-5621 FIN 257 distance=47' 17317-5618 LDS 600 distance=54' 17241-5716 BRT2823 distance=55' 17220-5528 BRT3183 distance=61' 17335-5636 BRT3185 distance=69' 17297-5519 BRT2581 distance=74' 17286-5510 HDO 273 distance=78' 17206-5730 BRT2822 distance=78' 17301-5733 HJ 4950 distance=81' 17209-5511 TDT 316 distance=82' 17326-5519 BRT3184 distance=89' 17188-5734 RST 916 distance=90' 17340-5526 TDT 418 distance=92' 17166-5519 RST 913 distance=99' 17229-5801 HDO 270AB distance=100' 17229-5801 HDO 270AC distance=100' 17362-5538 HJ 4959 distance=101' 17369-5550 TDT 434 distance=102' 17369-5706 RST 942 distance=105' 17342-5454 TOK 419 distance=117' 17141-5736 TDT 278 distance=119' 17395-5609 TDT 455 distance=119' 17256-5825 I 594 distance=122' 17123-5523 HDS2430AB distance=125' 17101-5627 MOC 11 distance=128' 17228-5828 COO 213AB distance=128' 17228-5828 COO 213AC distance=128' 17400-5546 RST 943AB distance=129' 17400-5546 HLN 43AC distance=129' 17107-5710 RST 903 distance=130' 17239-5413 TDS 864 distance=131' 17195-5422 HJ 4930 distance=131' 17299-5416 CVN 102AB distance=133' 17299-5416 CVN 102AC distance=133' 17299-5416 CVN 102AD distance=133' 17299-5416 CVN 102AE distance=133' 17299-5416 CVN 102AF distance=133' 17402-5533 TDT 459 distance=134' 17177-5824 BRT3182 distance=137' 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 17254-5623 HJ 4942 AB 326 18.4
Show 17254-5623 HJ 4942 AC 64 41.2
Show 17254-5623 ANT 5 AD 39 47.2
Show 17252-5621 BRT3318 105 2.7 3
Show 17246-5629 HRG 123 296 29.2 10
Show 17251-5613 RST 923 337 5.4 11
Show 17255-5604 RST 925 73 0.6 19
Show 17253-5600 HDS2459 174 0.2 24
Show 17228-5608 RST 921 40 1.2 27
Show 17215-5628 HJ 4939 227 29.6 33
Show 17284-5558 CPO 526 26 8.2 36
Show 17207-5625 FIN 255 AB 108 0.4 40
Show 17207-5625 HJ 4938 AB,C 109 25.0 40
Show 17305-5609 KPP2999 172 2.5 45
Show 17309-5621 FIN 257 122 0.1 47
Show 17317-5618 LDS 600 146 4.5 54
Show 17241-5716 BRT2823 107 4.4 55
Show 17220-5528 BRT3183 18 4.9 61
Show 17335-5636 BRT3185 306 5.7 69
Show 17297-5519 BRT2581 183 5.0 74
Show 17286-5510 HDO 273 147 38.2 78
Show 17206-5730 BRT2822 344 3.6 78
Show 17301-5733 HJ 4950 306 10.3 81
Show 17209-5511 TDT 316 280 0.9 82
Show 17326-5519 BRT3184 143 5.4 89
Show 17188-5734 RST 916 214 0.4 90
Show 17340-5526 TDT 418 159 0.7 92
Show 17166-5519 RST 913 162 1.1 99
Show 17229-5801 HDO 270 AB 184 1.8 100
Show 17229-5801 HDO 270 AC 153 40.0 100
Show 17362-5538 HJ 4959 114 19.4 101
Show 17369-5550 TDT 434 120 0.4 102
Show 17369-5706 RST 942 282 1.0 105
Show 17342-5454 TOK 419 82 0.6 117
Show 17141-5736 TDT 278 147 0.8 119
Show 17395-5609 TDT 455 214 2.0 119
Show 17256-5825 I 594 241 4.1 122
Show 17123-5523 HDS2430 AB 119 13.3 125
Show 17101-5627 MOC 11 191 4.6 128
Show 17228-5828 COO 213 AB 285 9.2 128
Show 17228-5828 COO 213 AC 92 30.8 128
Show 17400-5546 RST 943 AB 205 2.1 129
Show 17400-5546 HLN 43 AC 119 3.0 129
Show 17107-5710 RST 903 223 0.3 130
Show 17239-5413 TDS 864 244 1.5 131
Show 17195-5422 HJ 4930 41 8.7 131
Show 17299-5416 CVN 102 AB 255 2.8 133
Show 17299-5416 CVN 102 AC 28 4.4 133
Show 17299-5416 CVN 102 AD 130 6.2 133
Show 17299-5416 CVN 102 AE 97 6.4 133
Show 17299-5416 CVN 102 AF 166 6.9 133

 
 
WDS 17254-5623 : COMPONENTS
 
 
  A B C
B pa=339.6°
sep=16.31"
 
C pa=49.1°
sep=27.23"
pa=84.5°
sep=26.40"
 
D pa=24.5°
sep=40.07"
pa=46.4°
sep=30.74"
pa=347.9°
sep=19.08"
 
 
17254-5623 A
 
 
Name Gam Ara Coord arcsec 2000 172523.66-562239.7 Mag 3.32 Spectral class B1Ib (blue-white)
PmRA -10.00 PmDE -25.0 SAO 244726 HIP 85267
Tycho2 8736-03857-1 HD 157246 HR 6462 GC 23517
CP CP-56 8225 Bayer Gamma Arae Bayer name Gam Ara
Tycho2
Tycho2 8736-03857-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 3.123 E BTmag 0.014 VTmag 3.275
E VTmag 0.009 Prox 999 TYC T HIP 85267
CCDM RAdeg 261.34858083 DEdeg -56.37768944 EpRA 1990 1.70
EpDE 1990 1.59 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr 0.4
SAO
SAO 244726 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.011 Vmag 3.5 SpType B1
Double code Source 70 CatNum 23517 DM CP-56 8225
DMcomp BDsup HD 157246 M HD 0
GC 23517 RA1950rad 4.5429998 DE1950rad -0.98319657 PmRA2000 -0.0003
PmDE2000 -0.012
Hipparcos
Catalog H HIP 85267 Proxy RAhms 17 25 23.66
DEdms -56 22 39.7 Vmag 3.31 VarFlag 1 R Vmag H
RAdeg 261.349 DEdeg -56.3777 AstroRef Plx 2.87
CCDM 17254-5623 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 157246 BD
CD CP CP-56 8225 Dm number -56 8225 VIred -0.12
SpType B1Ib R SpType Coord arcsec 2000 172523.66-562239.7
Hipparcos 2
HIP 85267 Sn 5 So 0 Nc 1
RArad 4.5613932582 DErad -0.9839762802 Plx 2.93 PmRA -0.44
PmDE -15.77 E RArad 0.13 E DErad 0.11 E Plx 0.16
E pmRA 0.18 E pmDE 0.14 Hpmag 3.271 E Hpmag 0.0012
SHp 0.007 VA 0 BV -0.15 E BV 0.002
VI -0.12
CCDM
Ccdm 17254-5623 RComp Comp A Note1
Note2 Discov num DRAs -0.37 DDEs 20.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 3.5 Sp B1 PmNote *
PmRA 2 PmDE -12 Dm number -56 8225 Cat1 CPD
Name2 244726 Cat2 SAO HD 157246 M HD
ADS BDS M ADS BDS N IDS IDS 17170S5617A
HIC 85267
 
 
17254-5623 B
 
 
Coord arcsec 2000 172522.98-562224.4 Mag 10.21 Calc delta mag 6.89 Calc coord yes
CCDM
Ccdm 17254-5623 RComp Comp B Note1
Note2 Discov num HJ 4942 DRAs DDEs
R dRAs Year 1872 Theta 328 Rho 17.9
Obs 7 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17170S5617B
HIC
 
 
17254-5623 C
 
 
Coord arcsec 2000 172526.14-562221.9 Mag 12.16 PmRA 20.00 PmDE -13.0
Calc delta mag 8.84 Calc coord yes
CCDM
Ccdm 17254-5623 RComp Comp C Note1
Note2 Discov num HJ 4942 DRAs DDEs
R dRAs Year 1913 Theta 066 Rho 41.6
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17170S5617C
HIC
 
 
17254-5623 D
 
 
Coord arcsec 2000 172525.66-562203.2 Mag 12 PmRA 17.00 PmDE 24.0
Calc delta mag 8.68 Calc coord yes