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Doubles in session


Current system
08454-2559
I 816 AB
HD 74819


Nearby doubles
18' : 08445-2612
TDS6072

18' : 08457-2541
LDS3818

23' : 08457-2537
RST2580

24' : 08458-2536
HEI 348

28' : 08449-2625
DAM1479

35' : 08445-2631
RST1401

35' : 08428-2602
HJ 2463

43' : 08439-2521
SKF 517

46' : 08438-2639
B 166AB

48' : 08469-2641
KOU 74AB

51' : 08446-2509
OL 36

57' : 08421-2523
OL 35

58' : 08496-2559
TDS6117

58' : 08437-2505
OL 37

60' : 08493-2625
HO 356

70' : 08456-2707
SEE 105AB

72' : 08416-2509
KPP1318

79' : 08468-2716
LDS 233

80' : 08437-2442
B 165

86' : 08516-2612
B 2190

87' : 08492-2708
TDS6116

95' : 08424-2725
RST1399

103' : 08379-2615
RST2571AB

103' : 08392-2500
TDS6010

105' : 08500-2435
HDS1277

105' : 08462-2743
TDS6085



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.

08454-2559 I 816 AB (HD 74819)

 
 
08h 45m 21.74s -25° 58' 33.7" P.A. 274.00 sep 0.7 mag 9.66,10.21 Sp A7IV dist. 2777.78 pc (9061.12 l.y.)
 
 
Coord 2000 08454-2559 Discov num I   816 Comp AB Coord arcsec 2000 08 45 21.74 -25 58 33.7
Date first 1910 Date last 2015 Obs 9
Pa first 290 Pa last 274.3 P.A. Now (θ) 274.3°
Sep first 0.7 Sep last 0.738 Sep. Now (ρ) 0.738"
Mag pri 9.66 Mag sec 10.21 delta mag (ΔM) 0.55 Spectral class A7IV (white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec +001 Sec motion dec +001
Notes
Nature of this double is uncertain.
 
 
08454-2559 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 74819 176426 08 45 22 -25 58 34 I 816 AB 2015 9 274 0.7 9.66 10.21 0.55 <===
Show 176426 08 45 22 -25 58 34 I 816 AC 2015 7 73 25.2 9.26 11.78 2.52
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 74819 Constellation Pyxis SAO 176426 HIP 42955
Tycho2 6575-02761-1 Gaia DR2 5652380066248728192 HD 74819 CD CD-25 6524
CP CP-25 3863 Distance 2777.78 Distance ly 9061.12
 
 
WDS 08454-2559 I 816 AB (HD 74819) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb 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
08454-2559 I 816 AB 1991 8 281 0.6 9.66 10.21 A7IV D 084521.74-255833.7
08454-2559 I 816 AB 2015 9 274 0.7 9.66 10.21 A7IV 084521.74-255833.7

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

 
 
WDS 08454-2559 I 816 AB (HD 74819) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08454-2559 I 816 AB (HD 74819) : MEASURES
 
 
No records found.

 
 
WDS 08454-2559 (HD 74819) : VIRTUAL EYEPIECE
 
 

08454-2559 I 816A mag 9.66 Sp A7IV 08454-2559 I 816B sep 0.7 P.A. 274.80 mag 10.21 08454-2559 I 816C sep 22.9 P.A. 71.10 mag 11.78 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 08454-2559 (HD 74819) : ALADIN DSS IMAGE @ 08h 45m 21.74s -25° 58' 33.7"
 
 
 
 
WDS 08454-2559 I 816 AB (HD 74819) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08454-2559 I 816AB distance=0' 08445-2612 TDS6072 distance=18' 08457-2541 LDS3818 distance=18' 08457-2537 RST2580 distance=23' 08458-2536 HEI 348 distance=24' 08449-2625 DAM1479 distance=28' 08445-2631 RST1401 distance=35' 08428-2602 HJ 2463 distance=35' 08439-2521 SKF 517 distance=43' 08438-2639 B 166AB distance=46' 08469-2641 VSP 4Aa,Ab distance=48' 08469-2641 KOU 74AB distance=48' 08446-2509 OL 36 distance=51' 08421-2523 OL 35 distance=57' 08496-2559 TDS6117 distance=58' 08437-2505 OL 37 distance=58' 08493-2625 HO 356 distance=60' 08456-2707 SEE 105AB distance=70' 08456-2707 SEE 105AC distance=70' 08456-2707 SEE 105AD distance=70' 08416-2509 KPP1318 distance=72' 08468-2716 LDS 233 distance=79' 08437-2442 B 165 distance=80' 08516-2612 B 2190 distance=86' 08492-2708 TDS6116 distance=87' 08424-2725 RST1399 distance=95' 08379-2615 RST2571AB distance=103' 08379-2615 VIG 11AC distance=103' 08379-2615 VIG 11AD distance=103' 08379-2615 VIG 11AE distance=103' 08379-2615 VIG 11AF distance=103' 08379-2615 RST2571AG distance=103' 08392-2500 TDS6010 distance=103' 08500-2435 HDS1277 distance=105' 08462-2743 TDS6085 distance=105' 08375-2618 RST2569 distance=108' 08434-2743 TDS6057 distance=108' 08385-2502 B 161AB distance=108' 08482-2414 BRT1469 distance=112' 08537-2601 HJ 2475 distance=113' 08416-2418 B 2667 distance=113' 08458-2751 HDS1266AB distance=114' 08531-2647 BRT2960 distance=115' 08418-2744 TDS6043 distance=117' 08533-2649 BRT2961 distance=119' 08504-2739 B 1108 distance=120' 08380-2707 B 2663 distance=121' 08407-2416 ARA2131 distance=121' 08409-2744 TDS6031 distance=122' 08414-2407 ARA2132 distance=124' 08464-2355 ARA2136 distance=125' 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 08454-2559 I 816 AB 274 0.7
Show 08454-2559 I 816 AC 73 25.2
Show 08445-2612 TDS6072 210 2.7 18
Show 08457-2541 LDS3818 7 116.5 18
Show 08457-2537 RST2580 251 0.5 23
Show 08458-2536 HEI 348 239 2.6 24
Show 08449-2625 DAM1479 161 1.4 28
Show 08445-2631 RST1401 239 0.8 35
Show 08428-2602 HJ 2463 307 10.7 35
Show 08439-2521 SKF 517 3 7.3 43
Show 08438-2639 B 166 AB 58 2.2 46
Show 08469-2641 VSP 4 Aa,Ab 150 0.1 48
Show 08469-2641 KOU 74 AB 34 5.2 48
Show 08446-2509 OL 36 135 1.3 51
Show 08421-2523 OL 35 132 3.5 57
Show 08496-2559 TDS6117 217 0.8 58
Show 08437-2505 OL 37 202 1.8 58
Show 08493-2625 HO 356 278 1.5 60
Show 08456-2707 SEE 105 AB 115 20.7 70
Show 08456-2707 SEE 105 AC 147 20.9 70
Show 08456-2707 SEE 105 AD 250 22.6 70
Show 08416-2509 KPP1318 288 10.0 72
Show 08468-2716 LDS 233 89 109.9 79
Show 08437-2442 B 165 23 0.6 80
Show 08516-2612 B 2190 21 11.4 86
Show 08492-2708 TDS6116 238 2.6 87
Show 08424-2725 RST1399 325 1.8 95
Show 08379-2615 RST2571 AB 93 17.5 103
Show 08379-2615 VIG 11 AC 80 2.0 103
Show 08379-2615 VIG 11 AD 12 3.2 103
Show 08379-2615 VIG 11 AE 288 5.3 103
Show 08379-2615 VIG 11 AF 291 5.6 103
Show 08379-2615 RST2571 AG 103 20.8 103
Show 08392-2500 TDS6010 313 2.2 103
Show 08500-2435 HDS1277 206 0.3 105
Show 08462-2743 TDS6085 308 0.6 105
Show 08375-2618 RST2569 16 0.7 108
Show 08434-2743 TDS6057 288 5.8 108
Show 08385-2502 B 161 AB 317 8.3 108
Show 08482-2414 BRT1469 66 4.3 112
Show 08537-2601 HJ 2475 234 20.3 113
Show 08416-2418 B 2667 47 7.2 113
Show 08458-2751 HDS1266 AB 307 1.1 114
Show 08531-2647 BRT2960 34 4.7 115
Show 08418-2744 TDS6043 234 2.3 117
Show 08533-2649 BRT2961 3 4.4 119
Show 08504-2739 B 1108 335 4.6 120
Show 08380-2707 B 2663 303 9.1 121
Show 08407-2416 ARA2131 318 14.8 121
Show 08409-2744 TDS6031 345 1.8 122
Show 08414-2407 ARA2132 131 8.8 124

 
 
WDS 08454-2559 : COMPONENTS
 
 
  A B
B pa=274.8°
sep=0.66"
 
C pa=71.1°
sep=22.86"
pa=71.8°
sep=23.47"
 
 
08454-2559 A
 
 
Name HD 74819 Coord arcsec 2000 084521.74-255833.7 Mag 9.66 Spectral class A7IV (white)
PmRA 0.00 PmDE 1.0 SAO 176426 HIP 42955
Tycho2 6575-02761-1 HD 74819 CD CD-25 6524 CP CP-25 3863
Tycho2
Tycho2 6575-02761-1 Pflag RAmdeg 131.34052542 DEmdeg -25.97601682
PmRA 0.0 PmDE 1.0 E RAmdeg 11 E DEmdeg 12
E pmRA 1.6 E pmDE 1.8 EpRAm 1990.09 EpDEm 1990.45
Num 6 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.6
Q pmDE 0.9 BTmag 9.533 E BTmag 0.021 VTmag 9.263
E VTmag 0.019 Prox 251 TYC T HIP 42955
CCDM AB RAdeg 131.34052556 DEdeg -25.97601917 EpRA 1990 1.55
EpDE 1990 1.37 E RAdeg 10.8 E DEdeg 11.7 Posflg P
Corr 0.0
SAO
SAO 176426 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.015 Vmag 8.8 SpType A2
Double code Source 25 CatNum 6733 DM CD-25 6524
DMcomp BDsup HD 74819 M HD 0
GC RA1950rad 2.28292261 DE1950rad -0.45017342 PmRA2000 0.0009
PmDE2000 0.018
Hipparcos
Catalog H HIP 42955 Proxy H RAhms 08 45 21.74
DEdms -25 58 33.7 Vmag 9.12 VarFlag R Vmag H
RAdeg 131.341 DEdeg -25.976 AstroRef A Plx -1.18
CCDM 08454-2559 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 280 Rho 0.742 HD 74819 BD
CD CD-25 6524 CP CP-25 3863 Dm number -25 6524 VIred 0.28
SpType A7IV R SpType Coord arcsec 2000 084521.74-255833.7
Hipparcos 2
HIP 42955 Sn 15 So 3 Nc 2
RArad 2.2923254969 DErad -0.4533671723 Plx -0.36 PmRA -6.2
PmDE 2.66 E RArad 1.72 E DErad 1.11 E Plx 1.98
E pmRA 2.15 E pmDE 1.18 Hpmag 9.1901 E Hpmag 0.002
SHp 0.024 VA 0 BV 0.265 E BV 0.026
VI 0.3
CCDM
Ccdm 08454-2559 RComp Comp A Note1
Note2 Discov num DRAs -2.23 DDEs 27.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp A2 PmNote *
PmRA 8 PmDE 15 Dm number -25 6524 Cat1 CD
Name2 176426 Cat2 SAO HD 74819 M HD
ADS BDS A 6984 M ADS BDS N IDS IDS 08411S2537A
HIC 42955
 
 
08454-2559 B
 
 
Coord arcsec 2000 084521.69-255833.6 Mag 10.21 PmRA 0.00 PmDE 1.0
Calc delta mag 0.55 Calc coord yes
CCDM
Ccdm 08454-2559 RComp Comp B Note1
Note2 Discov num I 816 DRAs DDEs
R dRAs Year 1912 Theta 283 Rho 0.8
Obs 5 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6984 M ADS BDS N IDS IDS 08411S2537B
HIC 42955
 
 
08454-2559 C
 
 
Coord arcsec 2000 084523.34-255826.3 Mag 11.78 PmRA 0.00 PmDE -1.0
Tycho2 6575-02946-1 Calc delta mag 2.12 Calc coord yes
Tycho2
Tycho2 6575-02946-1 Pflag RAmdeg 131.34793085 DEmdeg -25.97402624
PmRA -10.9 PmDE -1.6 E RAmdeg 69 E DEmdeg 70
E pmRA 2.9 E pmDE 2.6 EpRAm 1983.96 EpDEm 1981.48
Num 3 Q RAmdeg 1.3 Q DEmdeg 0.9 Q pmRA 1.3
Q pmDE 0.9 BTmag 11.817 E BTmag 0.098 VTmag 11.780
E VTmag 0.175 Prox 251 TYC T HIP
CCDM RAdeg 131.34795972 DEdeg -25.97402250 EpRA 1990 1.54
EpDE 1990 1.43 E RAdeg 73.1 E DEdeg 74.7 Posflg D
Corr 0.1