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Doubles in session


Current system
20578-4402
DON 995
HD 199287


Nearby doubles
18' : 20583-4345
I 1048

35' : 20555-4426
I 1430

39' : 20571-4439
LDS 729

43' : 21011-4426
HJ 5238

44' : 21008-4429
TDT2693

52' : 20568-4452
HDS2984

52' : 21017-4431
TOK 800

78' : 21050-4357
UC 4373

79' : 21022-4300
DUN 236

83' : 21004-4519
HU 1533

87' : 21015-4246
NSN 455

88' : 21050-4441
KPP3080

91' : 20533-4519
SKF1169

98' : 20487-4359
DON 993AB

101' : 20485-4359
DON 992

110' : 20561-4213
UC 4335

115' : 21043-4233
DON 999

120' : 20556-4204
BRT1116

127' : 21081-4505
BVD 133

128' : 21028-4206
TDT2712

134' : 21050-4214
UC 4372

136' : 21081-4520
I 1434

137' : 20536-4153
BRT1115

139' : 20452-4428
BRT1114

141' : 21064-4548
HU 1333

142' : 21086-4245
SYU 12



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.

20578-4402 DON 995 (HD 199287)

 
 
20h 57m 45.81s -44° 01' 40.3" P.A. 252.00 sep 2.0 mag 9.15,12.43 Sp F5V dist. 172.12 pc (561.46 l.y.)
 
 
Coord 2000 20578-4402 Discov num DON 995 Comp Coord arcsec 2000 20 57 45.81 -44 01 40.3
Date first 1929 Date last 2016 Obs 6
Pa first 248 Pa last 252.4 P.A. Now (θ) 252.4°
Sep first 1.5 Sep last 2.015 Sep. Now (ρ) 2.015"
Mag pri 9.15 Mag sec 12.43 delta mag (ΔM) 3.28 Spectral class F5V (yellow-white)
Pri motion ra +067 Sec motion ra +063
Pri motion dec +000 Sec motion dec -002
Notes
rPM=0.067 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 199287 Constellation Microscopium SAO 230459 HIP 103466
Tycho2 7976-01098-1 Gaia DR2 6484717206061141888 HD 199287 GC 29229
CD CD-4414213 CP CP-44 9917 Distance 172.12 Distance ly 561.46
 
 
WDS 20578-4402 DON 995 (HD 199287) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20578-4402 DON 995 1991 4 253 2.0 9.15 12.43 F5V 205745.81-440140.3
20578-4402 DON 995 2016 6 252 2.0 9.15 12.43 F5V 205745.81-440140.3

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

 
 
WDS 20578-4402 DON 995 (HD 199287) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20578-4402 DON 995 (HD 199287) : MEASURES
 
 
No records found.

 
 
WDS 20578-4402 (HD 199287) : VIRTUAL EYEPIECE
 
 

20578-4402 DON 995A mag 9.15 Sp F5V 20578-4402 DON 995B sep 1.5 P.A. 246.20 mag 12.43 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20578-4402 (HD 199287) : ALADIN DSS IMAGE @ 20h 57m 45.81s -44° 01' 40.3"
 
 
 
 
WDS 20578-4402 DON 995 (HD 199287) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20578-4402 DON 995 distance=0' 20583-4345 I 1048 distance=18' 20555-4426 I 1430 distance=35' 20571-4439 LDS 729 distance=39' 21011-4426 HJ 5238 distance=43' 21008-4429 TDT2693 distance=44' 20568-4452 HDS2984 distance=52' 21017-4431 TOK 800 distance=52' 21050-4357 UC 4373 distance=78' 21022-4300 DUN 236 distance=79' 21004-4519 HU 1533 distance=83' 21015-4246 NSN 455 distance=87' 21050-4441 KPP3080 distance=88' 20533-4519 SKF1169 distance=91' 20487-4359 DON 993AB distance=98' 20487-4359 HJ 5222AC distance=98' 20485-4359 DON 992 distance=101' 20561-4213 UC 4335 distance=110' 21043-4233 DON 999 distance=115' 20556-4204 BRT1116 distance=120' 21081-4505 BVD 133 distance=127' 21028-4206 TDT2712 distance=128' 21050-4214 UC 4372 distance=134' 21081-4520 I 1434 distance=136' 20536-4153 BRT1115 distance=137' 20452-4428 BRT1114 distance=139' 21064-4548 HU 1333 distance=141' 21086-4245 SYU 12 distance=142' 20476-4534 I 1427 distance=143' 21050-4203 CPO 619 distance=143' 21099-4304 UC 4395 distance=144' 20552-4139 UC 4327 distance=146' 20573-4136 UC 4343 distance=146' 20441-4412 KPP1048AB distance=148' 20545-4627 B 508 distance=150' 21092-4529 TDT2787 distance=150' 21045-4615 TOK 35 distance=152' 21009-4132 WIS 346 distance=154' 20548-4636 I 1429AB distance=158' 20427-4400 KPP3106 distance=163' 21008-4123 B 513 distance=163' 20531-4637 SKF1168 distance=163' 21030-4643 SKF1099 distance=171' 21136-4423 KPP 604 distance=172' 20454-4554 RST1076 distance=174' 21007-4111 I 1049 distance=174' 20552-4104 UC 4326 distance=180' 21146-4337 CPO 621 distance=183' 21114-4215 TSN 97 distance=184' 21048-4650 NSN 454 distance=185' 21064-4123 SEE 437AB distance=186' 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 20578-4402 DON 995 252 2.0
Show 20583-4345 I 1048 137 1.6 18
Show 20555-4426 I 1430 29 1.4 35
Show 20571-4439 LDS 729 106 220.3 39
Show 21011-4426 HJ 5238 192 36.9 43
Show 21008-4429 TDT2693 106 1.8 44
Show 20568-4452 HDS2984 239 0.8 52
Show 21017-4431 TOK 800 210 0.5 52
Show 21050-4357 UC 4373 126 45.6 78
Show 21022-4300 DUN 236 73 57.4 79
Show 21004-4519 HU 1533 51 4.3 83
Show 21015-4246 NSN 455 189 2.5 87
Show 21050-4441 KPP3080 169 8.6 88
Show 20533-4519 SKF1169 224 95.9 91
Show 20487-4359 DON 993 AB 332 12.2 98
Show 20487-4359 HJ 5222 AC 271 28.6 98
Show 20485-4359 DON 992 291 5.2 101
Show 20561-4213 UC 4335 196 30.8 110
Show 21043-4233 DON 999 263 4.6 115
Show 20556-4204 BRT1116 138 4.5 120
Show 21081-4505 BVD 133 246 21.1 127
Show 21028-4206 TDT2712 309 0.7 128
Show 21050-4214 UC 4372 12 13.9 134
Show 21081-4520 I 1434 335 0.8 136
Show 20536-4153 BRT1115 339 3.5 137
Show 20452-4428 BRT1114 65 5.6 139
Show 21064-4548 HU 1333 319 1.7 141
Show 21086-4245 SYU 12 224 0.2 142
Show 20476-4534 I 1427 211 0.6 143
Show 21050-4203 CPO 619 252 5.6 143
Show 21099-4304 UC 4395 141 61.2 144
Show 20552-4139 UC 4327 96 77.2 146
Show 20573-4136 UC 4343 265 17.3 146
Show 20441-4412 KPP1048 AB 183 8.4 148
Show 20545-4627 B 508 281 2.3 150
Show 21092-4529 TDT2787 77 0.5 150
Show 21045-4615 TOK 35 202 39.9 152
Show 21009-4132 WIS 346 6 999.9 154
Show 20548-4636 I 1429 AB 147 1.1 158
Show 20427-4400 KPP3106 232 2.5 163
Show 21008-4123 B 513 29 3.8 163
Show 20531-4637 SKF1168 231 16.9 163
Show 21030-4643 SKF1099 137 6.0 171
Show 21136-4423 KPP 604 86 5.6 172
Show 20454-4554 RST1076 287 1.0 174
Show 21007-4111 I 1049 346 1.3 174
Show 20552-4104 UC 4326 242 36.5 180
Show 21146-4337 CPO 621 23 3.6 183
Show 21114-4215 TSN 97 227 56.4 184
Show 21048-4650 NSN 454 7 9.1 185
Show 21064-4123 SEE 437 AB 54 43.8 186

 
 
WDS 20578-4402 : COMPONENTS
 
 
  A
B pa=246.2°
sep=1.51"
 
 
20578-4402 A
 
 
Componente originario normalizzato AB Name HD 199287 Coord arcsec 2000 205745.81-440140.3 Mag 9.15
Spectral class F5V (yellow-white) PmRA 67.00 PmDE 0.0 SAO 230459
HIP 103466 Tycho2 7976-01098-1 HD 199287 GC 29229
CD CD-4414213 CP CP-44 9917
Tycho2
Tycho2 7976-01098-1 Pflag RAmdeg 314.44087528 DEmdeg -44.02786858
PmRA 66.5 PmDE 0.4 E RAmdeg 9 E DEmdeg 10
E pmRA 1.9 E pmDE 1.9 EpRAm 1991.61 EpDEm 1991.61
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.0 Q pmRA 0.4
Q pmDE 0.1 BTmag 9.608 E BTmag 0.021 VTmag 9.150
E VTmag 0.016 Prox 20 TYC T HIP 103466
CCDM A RAdeg 314.44066583 DEdeg -44.02786944 EpRA 1990 1.86
EpDE 1990 1.94 E RAdeg 8.5 E DEdeg 10.3 Posflg
Corr -0.2
SAO
SAO 230459 DelFlag RA1950 PmRA1950 0.0057
DE1950 PmDE1950 -0.033 Vmag 9 SpType G0
Double code Source 70 CatNum 29229 DM CD-4414213
DMcomp BDsup HD 199287 M HD 0
GC 29229 RA1950rad 5.47342589 DE1950rad -0.77181388 PmRA2000 0.0057
PmDE2000 -0.036
Hipparcos
Catalog H HIP 103466 Proxy H RAhms 20 57 45.76
DEdms -44 01 40.3 Vmag 9 VarFlag R Vmag H
RAdeg 314.441 DEdeg -44.0279 AstroRef A Plx 8.16
CCDM 20578-4402 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 253 Rho 1.997 HD 199287 BD
CD CD-4414213 CP CP-44 9917 Dm number -4414213 VIred 0.65
SpType F5V R SpType Coord arcsec 2000 205745.76-440140.3
Hipparcos 2
HIP 103466 Sn 15 So 3 Nc 2
RArad 5.4880246371 DErad -0.7684313731 Plx 5.81 PmRA 62.82
PmDE -1.79 E RArad 0.99 E DErad 0.73 E Plx 1.22
E pmRA 1.25 E pmDE 0.62 Hpmag 9.1297 E Hpmag 0.0019
SHp 0.02 VA 0 BV 1.1 E BV 0.495
VI 0.65
CCDM
Ccdm 20578-4402 RComp Comp A Note1
Note2 Discov num DRAs -2.10 DDEs 17.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp G0 PmNote *
PmRA 83 PmDE -22 Dm number -4414213 Cat1 CD
Name2 230459 Cat2 SAO HD 199287 M HD
ADS BDS M ADS BDS N IDS IDS 20511S4425A
HIC 103466
 
 
20578-4402 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205745.68-440140.9 Mag 12.43 PmRA 63.00
PmDE -2.0 Calc delta mag 3.28 Calc coord yes
CCDM
Ccdm 20578-4402 RComp Comp B Note1
Note2 Discov num DON 995 DRAs DDEs
R dRAs Year 1929 Theta 248 Rho 1.6
Obs 2 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20511S4425B
HIC 103466