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Current system
20348-3355
HJ 5207
HD 195830


Nearby doubles
26' : 20351-3330
BRT1809

28' : 20365-3413
RST3264

29' : 20330-3336
TDT2362

40' : 20347-3435
TDT2390

44' : 20338-3313
RSS 552

47' : 20314-3335
NSN 493

53' : 20366-3308
RST2146

54' : 20374-3312
SKF2088

58' : 20362-3301
LDS 715

61' : 20340-3455
TDT2380AB

62' : 20337-3255
TDT2374

73' : 20390-3445
BRT1811

73' : 20362-3506
SKF1246

75' : 20392-3304
RST2148

76' : 20291-3327
RST2142

78' : 20379-3248
BRT1810

91' : 20329-3227
UC 4214

96' : 20404-3251
SHY 781

104' : 20317-3531
HJ 5205

108' : 20276-3258
UC 4189

116' : 20431-3305
UC 4268

122' : 20300-3542
BRT1808

124' : 20347-3152
RST2145

129' : 20318-3558
RSS 551

133' : 20437-3509
KPP 941

134' : 20289-3205
SEE 419



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.

20348-3355 HJ 5207 (HD 195830)

 
 
20h 34m 46.98s -33° 55' 19.1" P.A. 257.00 sep 10.5 mag 7.90,9.59 Sp F6V+F4IV dist. 51.23 pc (167.11 l.y.)
 
 
Coord 2000 20348-3355 Discov num HJ 5207 Comp Coord arcsec 2000 20 34 46.98 -33 55 19.1
Date first 1896 Date last 2016 Obs 15
Pa first 257 Pa last 256.7 P.A. Now (θ) 256.7°
Sep first 10.0 Sep last 10.455 Sep. Now (ρ) 10.455"
Mag pri 7.90 Mag sec 9.59 delta mag (ΔM) 1.69 Spectral class F6V+F4IV (yellow-white/yellow-white)
Pri motion ra +004 Sec motion ra +003
Pri motion dec +011 Sec motion dec +012
Notes T (Parallax indicates physical)
rPM=0.114 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 195830 Constellation Microscopium SAO 212245 HIP 101549
Tycho2 7464-01205-1 Gaia DR2 6791823654241058944 HD 195830 CD CD-3414476
Distance 51.23 Distance ly 167.11
 
 
WDS 20348-3355 HJ 5207 (HD 195830) : 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
20348-3355 HJ 5207 1998 11 257 10.4 7.90 9.59 F6V YD 203446.98-335519.1
20348-3355 HJ 5207 1999 11 256 10.5 7.90 9.59 F6V YD 203446.98-335519.1
20348-3355 HJ 5207 2010 12 257 10.2 7.90 9.59 F6V+F4IV Y 203446.98-335519.1
20348-3355 HJ 5207 2015 13 257 10.5 7.90 9.59 F6V+F4IV Y 203446.98-335519.1
20348-3355 HJ 5207 2016 15 257 10.5 7.90 9.59 F6V+F4IV T 203446.98-335519.1

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

 
 
WDS 20348-3355 HJ 5207 (HD 195830) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20348-3355 HJ 5207 (HD 195830) : MEASURES
 
 
No records found.

 
 
WDS 20348-3355 (HD 195830) : VIRTUAL EYEPIECE
 
 

20348-3355 HJ 5207A mag 7.9 Sp F6V 20348-3355 HJ 5207B sep 8.8 P.A. 254.10 mag 9.59 Sp F4IV 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 20348-3355 (HD 195830) : ALADIN DSS IMAGE @ 20h 34m 46.98s -33° 55' 19.1"
 
 
 
 
WDS 20348-3355 HJ 5207 (HD 195830) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20348-3355 HJ 5207 distance=0' 20351-3330 BRT1809 distance=26' 20365-3413 RST3264 distance=28' 20330-3336 TDT2362 distance=29' 20347-3435 TDT2390 distance=40' 20338-3313 RSS 552 distance=44' 20314-3335 NSN 493 distance=47' 20366-3308 RST2146 distance=53' 20374-3312 SKF2088 distance=54' 20362-3301 LDS 715 distance=58' 20340-3455 TDT2380AB distance=61' 20337-3255 TDT2374 distance=62' 20390-3445 BRT1811 distance=73' 20362-3506 SKF1246 distance=73' 20392-3304 RST2148 distance=75' 20291-3327 RST2142 distance=76' 20379-3248 BRT1810 distance=78' 20411-3327 B 993BC distance=85' 20411-3327 SEE 424A,BC distance=85' 20329-3227 UC 4214 distance=91' 20404-3251 SHY 781 distance=96' 20317-3531 HJ 5205 distance=104' 20276-3258 UC 4189 distance=108' 20431-3305 UC 4268 distance=116' 20300-3542 BRT1808 distance=122' 20347-3152 RST2145 distance=124' 20452-3120 LDS 720BC distance=126' 20318-3558 RSS 551 distance=129' 20437-3509 KPP 941 distance=133' 20289-3205 SEE 419 distance=134' 20247-3445 DAW 226BC distance=135' 20247-3445 HJ 5195AB distance=136' 20247-3445 HJ 5195AC distance=136' 20345-3131 KPP1926 distance=145' 20436-3532 HJ 5215 distance=146' 20458-3443 HJ 5219 distance=146' 20353-3126 LDS5908 distance=148' 20452-3510 SEE 428 distance=149' 20467-3336 HDS2960AB distance=150' 20467-3336 SKF2090AC distance=150' 20231-3315 B 2484 distance=152' 20268-3551 RST3259 distance=152' 20256-3538 B 990 distance=153' 20327-3123 HJ 5206 distance=155' 20231-3303 B 2483 distance=156' 20381-3627 KPP3107 distance=158' 20380-3122 B 992 distance=159' 20240-3230 I 1418 distance=161' 20451-3221 KPP3118Aa,Ab distance=161' 20451-3221 LDS5910 distance=161' 20255-3548 KPP2300 distance=161' 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 20348-3355 HJ 5207 257 10.5
Show 20351-3330 BRT1809 154 3.0 26
Show 20365-3413 RST3264 99 2.7 28
Show 20330-3336 TDT2362 146 0.5 29
Show 20347-3435 TDT2390 225 0.4 40
Show 20338-3313 RSS 552 29 6.7 44
Show 20314-3335 NSN 493 182 11.8 47
Show 20366-3308 RST2146 245 1.9 53
Show 20374-3312 SKF2088 135 13.2 54
Show 20362-3301 LDS 715 144 91.8 58
Show 20340-3455 TDT2380 AB 76 0.5 61
Show 20337-3255 TDT2374 131 3.0 62
Show 20390-3445 BRT1811 277 2.4 73
Show 20362-3506 SKF1246 169 21.8 73
Show 20392-3304 RST2148 31 1.1 75
Show 20291-3327 RST2142 327 1.9 76
Show 20379-3248 BRT1810 204 7.3 78
Show 20411-3327 B 993 BC 40 0.4 85
Show 20411-3327 SEE 424 A,BC 335 11.2 85
Show 20329-3227 UC 4214 142 15.2 91
Show 20404-3251 SHY 781 310 999.9 96
Show 20317-3531 HJ 5205 36 33.3 104
Show 20276-3258 UC 4189 70 16.2 108
Show 20431-3305 UC 4268 40.3 116
Show 20300-3542 BRT1808 146 10.9 122
Show 20347-3152 RST2145 255 0.1 124
Show 20452-3120 LDS 720 BC 128 1.8 126
Show 20318-3558 RSS 551 175 15.4 129
Show 20437-3509 KPP 941 156 7.7 133
Show 20289-3205 SEE 419 97 9.5 134
Show 20247-3445 DAW 226 BC 137 20.5 135
Show 20247-3445 HJ 5195 AB 115 16.3 136
Show 20247-3445 HJ 5195 AC 127 36.1 136
Show 20345-3131 KPP1926 56 15.1 145
Show 20436-3532 HJ 5215 183 22.8 146
Show 20458-3443 HJ 5219 323 8.5 146
Show 20353-3126 LDS5908 124 248.3 148
Show 20452-3510 SEE 428 188 4.4 149
Show 20467-3336 HDS2960 AB 158 0.2 150
Show 20467-3336 SKF2090 AC 190 88.1 150
Show 20231-3315 B 2484 239 11.2 152
Show 20268-3551 RST3259 112 1.8 152
Show 20256-3538 B 990 194 2.2 153
Show 20327-3123 HJ 5206 192 16.4 155
Show 20231-3303 B 2483 146 12.3 156
Show 20381-3627 KPP3107 325 6.6 158
Show 20380-3122 B 992 247 1.3 159
Show 20240-3230 I 1418 256 0.7 161
Show 20451-3221 KPP3118 Aa,Ab 16 1.6 161
Show 20451-3221 LDS5910 355 283.9 161
Show 20255-3548 KPP2300 107 19.4 161

 
 
WDS 20348-3355 : COMPONENTS
 
 
  A
B pa=254.1°
sep=8.78"
 
 
20348-3355 A
 
 
Componente originario normalizzato AB Name HD 195830 Coord arcsec 2000 203446.98-335519.1 Mag 7.9
Spectral class F6V (yellow-white) PmRA 4.00 PmDE 11.0 SAO 212245
HIP 101551 Tycho2 7464-01205-1 HD 195830 CD CD-3414476
Tycho2
Tycho2 7464-01205-1 Pflag RAmdeg 308.69576510 DEmdeg -33.92196587
PmRA 6.1 PmDE 10.6 E RAmdeg 4 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.58 EpDEm 1991.35
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.6 Q pmRA 1.2
Q pmDE 1.8 BTmag 8.402 E BTmag 0.016 VTmag 7.902
E VTmag 0.011 Prox 104 TYC T HIP 101551
CCDM A RAdeg 308.69574889 DEdeg -33.92199028 EpRA 1990 1.86
EpDE 1990 1.76 E RAdeg 4.1 E DEdeg 5.0 Posflg
Corr -0.4
SAO
SAO 212245 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.059 Vmag 7.6 SpType F5
Double code Source 40 CatNum 11222 DM CD-3414476
DMcomp BDsup HD 195830 M HD 0
GC RA1950rad 5.37399548 DE1950rad -0.59507275 PmRA2000 -0.0006
PmDE2000 -0.062
Hipparcos
Catalog H HIP 101551 Proxy RAhms 20 34 46.98
DEdms -33 55 19.2 Vmag 7.86 VarFlag R Vmag G
RAdeg 308.696 DEdeg -33.922 AstroRef A Plx 15.86
CCDM 20348-3355 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 195830 BD
CD CD-3414476 CP Dm number -3414476 VIred 0.55
SpType F6V R SpType Coord arcsec 2000 203446.98-335519.2
Hipparcos 2
HIP 101551 Sn 95 So 3 Nc 1
RArad 5.3877571717 DErad -0.5920504315 Plx 16.74 PmRA 0.62
PmDE 8.01 E RArad 0.99 E DErad 0.71 E Plx 1.22
E pmRA 1.32 E pmDE 0.97 Hpmag 7.9711 E Hpmag 0.005
SHp 0.019 VA 0 BV 0.483 E BV 0.015
VI 0.55
CCDM
Ccdm 20348-3355 RComp Comp A Note1
Note2 Discov num DRAs -1.13 DDEs -24.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp F5 PmNote *
PmRA -7 PmDE -59 Dm number -3414476 Cat1 CD
Name2 212245 Cat2 SAO HD 195830 M HD
ADS BDS M ADS BDS N IDS IDS 20285S3416A
HIC 101551
 
 
20348-3355 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203446.30-335521.5 Mag 9.59 Spectral class F4IV (yellow-white)
PmRA 3.00 PmDE 12.0 HIP 101549 Tycho2 7464-01723-1
Calc delta mag 1.69 Calc coord yes
Tycho2
Tycho2 7464-01723-1 Pflag RAmdeg 308.69233689 DEmdeg -33.92256785
PmRA 2.6 PmDE 12.9 E RAmdeg 13 E DEmdeg 16
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.18 EpDEm 1990.81
Num 4 Q RAmdeg 1.0 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.1 BTmag 10.312 E BTmag 0.027 VTmag 9.592
E VTmag 0.021 Prox 104 TYC T HIP 101549
CCDM B RAdeg 308.69232972 DEdeg -33.92259722 EpRA 1990 1.81
EpDE 1990 1.82 E RAdeg 12.6 E DEdeg 16.1 Posflg
Corr -0.3
Hipparcos
Catalog H HIP 101549 Proxy RAhms 20 34 46.16
DEdms -33 55 21.6 Vmag 10.14 VarFlag R Vmag H
RAdeg 308.692 DEdeg -33.9227 AstroRef B Plx 27.6
CCDM 20348-3355 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.74
SpType R SpType Coord arcsec 2000 203446.16-335521.6
Hipparcos 2
HIP 101549 Sn 95 So 3 Nc 1
RArad 5.3876977428 DErad -0.5920621483 Plx 19.52 PmRA -4.49
PmDE 5.59 E RArad 1.75 E DErad 1.24 E Plx 2.22
E pmRA 2.17 E pmDE 1.6 Hpmag 10.2166 E Hpmag 0.0354
SHp 0 VA 0 BV 0.95 E BV 0.066
VI 0.94
CCDM
Ccdm 20348-3355 RComp Comp B Note1
Note2 Discov num HJ 5207 DRAs -2.06 DDEs -27.0
R dRAs 90 Year 1896 Theta 258 Rho 10.2
Obs 3 Vmag 10.2 Sp PmNote *
PmRA -7 PmDE -59 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20285S3416B
HIC 101549