stampa
Login

Enhance your experience with Stelle Doppie.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20330-6822
HJ 5200 AB
HD 194972


Nearby doubles
19' : 20363-6822
TDT2413

45' : 20303-6904
HJ 5194

48' : 20253-6800
TDT2258

70' : 20204-6819
TDT2188

74' : 20304-6711
TDT2329

75' : 20368-6934
TDT2422

77' : 20449-6904
BRT2017

78' : 20452-6902
SKF 378

79' : 20432-6730
LDS 718

79' : 20324-6704
TDT2345

79' : 20361-6705
CBL 179

81' : 20197-6859
TDT2171

83' : 20210-6734
TDS1062

84' : 20230-6926
HDS2912

85' : 20178-6814
TDT2147

87' : 20472-6749
DON 991

88' : 20356-6949
TDT2402

91' : 20192-6735
TDT2164

92' : 20489-6847
SHY 782

95' : 20309-6648
MLO 89

103' : 20459-6710
TDT2524

110' : 20284-7004
HEI 276

113' : 20222-6649
TDS1064

114' : 20468-6948
KPP1680

115' : 20411-6638
NZO 102

116' : 20349-7017
TDT2395



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.

20330-6822 HJ 5200 AB (HD 194972)

 
 
20h 32m 57.33s -68° 22' 19.4" P.A. 135.00 sep 12.1 mag 7.53,9.99 Sp A1/2V dist. 141.04 pc (460.07 l.y.)
 
 
Coord 2000 20330-6822 Discov num HJ 5200 Comp AB Coord arcsec 2000 20 32 57.33 -68 22 19.4
Date first 1835 Date last 2020 Obs 17
Pa first 138 Pa last 134.7 P.A. Now (θ) 134.7°
Sep first 15.3 Sep last 12.149 Sep. Now (ρ) 12.149"
Mag pri 7.53 Mag sec 9.99 delta mag (ΔM) 2.46 Spectral class A1/2V (white)
Pri motion ra +016 Sec motion ra +021
Pri motion dec -029 Sec motion dec -036
Notes W
rPM=0.206 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194972 Constellation Pavo SAO 254811 HIP 101397
Tycho2 9308-01861-1 HD 194972 CP CP-68 3374 Distance 141.04
Distance ly 460.07
 
 
WDS 20330-6822 HJ 5200 AB (HD 194972) : 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
20330-6822 HJ 5200 AB 2015 15 135 12.1 7.53 9.99 A1/2V W 203257.33-682219.4
20330-6822 HJ 5200 AB 2020 16 135 12.1 7.53 9.99 A1/2V W 203257.33-682219.4

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

 
 
WDS 20330-6822 HJ 5200 AB (HD 194972) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20330-6822 HJ 5200 AB (HD 194972) : MEASURES
 
 
No records found.

 
 
WDS 20330-6822 (HD 194972) : VIRTUAL EYEPIECE
 
 

20330-6822 HJ 5200A mag 7.53 Sp A1/2V 20330-6822 HJ 5200B sep 9.1 P.A. 159.60 mag 9.99 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 20330-6822 (HD 194972) : ALADIN DSS IMAGE @ 20h 32m 57.33s -68° 22' 19.4"
 
 
 
 
WDS 20330-6822 HJ 5200 AB (HD 194972) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20330-6822 HJ 5200AB distance=0' 20363-6822 TDT2413 distance=19' 20303-6904 HJ 5194 distance=45' 20253-6800 TDT2258 distance=48' 20204-6819 TDT2188 distance=70' 20304-6711 TDT2329 distance=74' 20368-6934 TDT2422 distance=75' 20449-6904 BRT2017 distance=77' 20452-6902 SKF 378 distance=78' 20432-6730 LDS 718 distance=79' 20324-6704 TDT2345 distance=79' 20361-6705 CBL 179 distance=79' 20197-6859 TDT2171 distance=81' 20210-6734 TDS1062 distance=83' 20230-6926 HDS2912 distance=84' 20178-6814 TDT2147 distance=85' 20472-6749 DON 991 distance=87' 20356-6949 TDT2402 distance=88' 20192-6735 TDT2164 distance=91' 20489-6847 SHY 782 distance=92' 20309-6648 MLO 89 distance=95' 20459-6710 TDT2524 distance=103' 20284-7004 HEI 276 distance=110' 20222-6649 TDS1064 distance=113' 20468-6948 KPP1680 distance=114' 20411-6638 NZO 102 distance=115' 20349-7017 TDT2395 distance=116' 20196-6652 WIS 337 distance=119' 20138-6728 DON 981 distance=122' 20370-6623 TDT2424 distance=122' 20240-6623 KPP1588 distance=130' 20446-6630 TOK 918Aa,Ab distance=131' 20165-7011 HEI 274 distance=140' 20273-7044 TDT2287 distance=145' 20151-6625 KPP 464 distance=156' 20262-6551 B 989 distance=157' 20404-6551 KPP4210 distance=158' 20274-7101 LDS 710 distance=162' 20366-7104 DUN 231 distance=164' 20191-7052 HJ 5176AB distance=167' 20191-7052 BAU 61AC distance=167' 20191-7052 BAU 61AD distance=167' 20247-6541 UC 4170 distance=169' 20472-7056 TDS1100 distance=171' 20330-7119 I 1047CD distance=176' 20330-7119 I 1047AB distance=177' 20330-7119 HJ 5544AC distance=177' 20224-7112 HEI 404 distance=178' 20179-7103 TDT2150 distance=179' 20478-6546 TDT2544 distance=179' 20492-6550 TDT2562 distance=180' 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 20330-6822 HJ 5200 AB 135 12.1
Show 20363-6822 TDT2413 169 0.8 19
Show 20303-6904 HJ 5194 255 3.6 45
Show 20253-6800 TDT2258 72 0.7 48
Show 20204-6819 TDT2188 88 2.2 70
Show 20304-6711 TDT2329 167 0.5 74
Show 20368-6934 TDT2422 308 0.9 75
Show 20449-6904 BRT2017 6 4.1 77
Show 20452-6902 SKF 378 245 42.0 78
Show 20432-6730 LDS 718 309 29.1 79
Show 20324-6704 TDT2345 217 0.5 79
Show 20361-6705 CBL 179 107 24.7 79
Show 20197-6859 TDT2171 103 0.5 81
Show 20210-6734 TDS1062 240 1.0 83
Show 20230-6926 HDS2912 136 21.8 84
Show 20178-6814 TDT2147 55 0.4 85
Show 20472-6749 DON 991 76 2.3 87
Show 20356-6949 TDT2402 166 0.6 88
Show 20192-6735 TDT2164 225 0.6 91
Show 20489-6847 SHY 782 107 999.9 92
Show 20309-6648 MLO 89 137 5.2 95
Show 20459-6710 TDT2524 164 0.4 103
Show 20284-7004 HEI 276 153 1.3 110
Show 20222-6649 TDS1064 285 0.9 113
Show 20468-6948 KPP1680 64 12.9 114
Show 20411-6638 NZO 102 141 10.1 115
Show 20349-7017 TDT2395 295 2.8 116
Show 20196-6652 WIS 337 176 577.1 119
Show 20138-6728 DON 981 169 3.1 122
Show 20370-6623 TDT2424 19 1.8 122
Show 20240-6623 KPP1588 67 12.1 130
Show 20446-6630 TOK 918 Aa,Ab 336 0.1 131
Show 20165-7011 HEI 274 105 0.6 140
Show 20273-7044 TDT2287 42 1.5 145
Show 20151-6625 KPP 464 112 3.6 156
Show 20262-6551 B 989 70 1.2 157
Show 20404-6551 KPP4210 53 1.5 158
Show 20274-7101 LDS 710 238 143.1 162
Show 20366-7104 DUN 231 285 48.8 164
Show 20191-7052 HJ 5176 AB 119 6.6 167
Show 20191-7052 BAU 61 AC 160 13.1 167
Show 20191-7052 BAU 61 AD 184 33.2 167
Show 20247-6541 UC 4170 221 26.6 169
Show 20472-7056 TDS1100 233 0.9 171
Show 20330-7119 I 1047 CD 55 22.8 176
Show 20330-7119 I 1047 AB 331 6.2 177
Show 20330-7119 HJ 5544 AC 62 118.7 177
Show 20224-7112 HEI 404 351 0.6 178
Show 20179-7103 TDT2150 81 0.4 179
Show 20478-6546 TDT2544 158 0.5 179
Show 20492-6550 TDT2562 279 0.5 180

 
 
WDS 20330-6822 : COMPONENTS
 
 
  A
B pa=159.6°
sep=9.12"
 
 
20330-6822 A
 
 
Name HD 194972 Coord arcsec 2000 203257.33-682219.4 Mag 7.53 Spectral class A1/2V (white)
PmRA 16.00 PmDE -29.0 SAO 254811 HIP 101397
Tycho2 9308-01861-1 HD 194972 CP CP-68 3374
Tycho2
Tycho2 9308-01861-1 Pflag RAmdeg 308.23887427 DEmdeg -68.37205377
PmRA 17.5 PmDE -39.4 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.32 EpDEm 1991.44
Num 9 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 0.9 BTmag 7.597 E BTmag 0.015 VTmag 7.529
E VTmag 0.010 Prox 121 TYC T HIP 101397
CCDM A RAdeg 308.23876306 DEdeg -68.37196250 EpRA 1990 1.55
EpDE 1990 1.67 E RAdeg 3.9 E DEdeg 3.7 Posflg
Corr 0.3
SAO
SAO 254811 DelFlag RA1950 PmRA1950 0.0043
DE1950 PmDE1950 -0.008 Vmag 7.8 SpType F
Double code Source 61 CatNum 4397 DM CP-68 3374
DMcomp BDsup HD 194972 M HD 1
GC RA1950rad 5.35883631 DE1950rad -1.19627409 PmRA2000 0.0026
PmDE2000 -0.009
Hipparcos
Catalog H HIP 101397 Proxy RAhms 20 32 57.30
DEdms -68 22 19.0 Vmag 7.53 VarFlag R Vmag H
RAdeg 308.239 DEdeg -68.372 AstroRef A Plx 8.64
CCDM 20330-6822 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 135 Rho 12.148 HD 194972 BD
CD CP CP-68 3374 Dm number -68 3374 VIred 0.05
SpType A1/A2V R SpType Coord arcsec 2000 203257.30-682219.0
Hipparcos 2
HIP 101397 Sn 15 So 3 Nc 2
RArad 5.3797811798 DErad -1.1933157788 Plx 7.09 PmRA 17.5
PmDE -35.44 E RArad 0.5 E DErad 0.67 E Plx 1.05
E pmRA 0.56 E pmDE 0.87 Hpmag 7.5531 E Hpmag 0.0046
SHp 0.021 VA 0 BV 0.068 E BV 0.007
VI 0.08
CCDM
Ccdm 20330-6822 RComp Comp A Note1
Note2 Discov num DRAs -2.77 DDEs -17.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp A0 PmNote *
PmRA 23 PmDE -8 Dm number -68 3374 Cat1 CPD
Name2 254811 Cat2 SAO HD 194972 M HD
ADS BDS M ADS BDS N IDS IDS 20233S6842A
HIC 101397
 
 
20330-6822 B
 
 
Coord arcsec 2000 203257.91-682227.9 Mag 9.99 PmRA 21.00 PmDE -36.0
Calc delta mag 2.46 Calc coord yes
CCDM
Ccdm 20330-6822 RComp Comp B Note1
Note2 Discov num HJ 5200 DRAs -1.07 DDEs -25.3
R dRAs 10 Year 1835 Theta 137 Rho 12.2
Obs 2 Vmag 11.0 Sp PmNote *
PmRA 28 PmDE 9 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20233S6842B
HIC