stampa
Login

Never registered to Stelle Doppie? It's like a Ferrari without wheels. Register now to releveal the full potential!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20485-4359
DON 992
Iot Mic


Nearby doubles
3' : 20487-4359
DON 993AB

46' : 20452-4428
BRT1114

49' : 20441-4412
KPP1048AB

63' : 20427-4400
KPP3106

81' : 20555-4426
I 1430

93' : 20400-4359
DON 990AB

95' : 20476-4534
I 1427

96' : 20533-4519
SKF1169

100' : 20417-4253
TDT2475

101' : 20578-4402
DON 995

102' : 20571-4439
LDS 729

102' : 20391-4345
LDS 717

104' : 20568-4452
HDS2984

108' : 20583-4345
I 1048

110' : 20385-4425
I 1424

121' : 20454-4554
RST1076

124' : 20389-4253
AOT 88

127' : 20409-4224
HJ 5211AB

130' : 20372-4445
TOK 369

132' : 20381-4251
UC 4240

135' : 20411-4549
SKF1166

135' : 20561-4213
UC 4335

137' : 21008-4429
TDT2693

138' : 21011-4426
HJ 5238

139' : 20536-4153
BRT1115

139' : 20556-4204
BRT1116



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.

20485-4359 DON 992 (Iot Mic)

 
 
20h 48m 29.00s -43° 59' 17.8" P.A. 291.00 sep 5.2 mag 5.11,15.50 Sp F1IV dist. 35.42 pc (115.54 l.y.)
 
 
Coord 2000 20485-4359 Discov num DON 992 Comp Coord arcsec 2000 20 48 29.00 -43 59 17.8
Date first 1932 Date last 2015 Obs 2
Pa first 271 Pa last 291.4 P.A. Now (θ) 291.4°
Sep first 4.3 Sep last 5.196 Sep. Now (ρ) 5.196"
Mag pri 5.11 Mag sec 15.50 delta mag (ΔM) 10.39 Spectral class F1IV (yellow-white)
Pri motion ra +185 Sec motion ra
Pri motion dec -106 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Iot Mic Constellation Microscopium SAO 230379 HIP 102693
Tycho2 7975-01347-1 Gaia DR2 6676695750202513024 HD 197937 HR 7943
GC 28980 GL Gl 808.1 CD CD-4414145 CP CP-44 9890
Bayer Iota Microscopii Bayer name Iot Mic FK5 1542 Distance 35.42
Distance ly 115.54 Bayer greek ι Mic
 
 
WDS 20485-4359 DON 992 (Iot Mic) : NOTES
 
 
discov_num notes refcode
DON 992 iot Mic
 
 
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
20485-4359 DON 992 1932 1 271 4.3 5.11 15.50 F1IV N 204829.00-435917.8
20485-4359 DON 992 2015 2 291 5.2 5.11 15.50 F1IV N 204829.00-435917.8

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

 
 
WDS 20485-4359 DON 992 (Iot Mic) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20485-4359 DON 992 (Iot Mic) : MEASURES
 
 
No records found.

 
 
WDS 20485-4359 (Iot Mic) : VIRTUAL EYEPIECE
 
 

20485-4359 DON 992A mag 5.11 Sp F1IV 20485-4359 DON 992B sep 4.0 P.A. 298.60 mag 15.5 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 20485-4359 (Iot Mic) : ALADIN DSS IMAGE @ 20h 48m 29.00s -43° 59' 17.8"
 
 
 
 
WDS 20485-4359 DON 992 (Iot Mic) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20485-4359 DON 992 distance=0' 20487-4359 DON 993AB distance=3' 20487-4359 HJ 5222AC distance=3' 20452-4428 BRT1114 distance=46' 20441-4412 KPP1048AB distance=49' 20427-4400 KPP3106 distance=63' 20555-4426 I 1430 distance=81' 20400-4359 DON 990AB distance=93' 20400-4359 DON 990AC distance=93' 20476-4534 I 1427 distance=95' 20533-4519 SKF1169 distance=96' 20417-4253 TDT2475 distance=100' 20578-4402 DON 995 distance=101' 20571-4439 LDS 729 distance=102' 20391-4345 LDS 717 distance=102' 20568-4452 HDS2984 distance=104' 20583-4345 I 1048 distance=108' 20385-4425 I 1424 distance=110' 20454-4554 RST1076 distance=121' 20389-4253 AOT 88 distance=124' 20409-4224 HJ 5211AB distance=127' 20409-4224 I 1121BC distance=127' 20372-4445 TOK 369 distance=130' 20381-4251 UC 4240 distance=132' 20411-4549 SKF1166 distance=135' 20561-4213 UC 4335 distance=135' 21008-4429 TDT2693 distance=137' 21011-4426 HJ 5238 distance=138' 20536-4153 BRT1115 distance=139' 20556-4204 BRT1116 distance=139' 20377-4520 UC 4239 distance=141' 20377-4236 UC 4238 distance=144' 21017-4431 TOK 800 distance=146' 21004-4519 HU 1533 distance=151' 20365-4533 I 41 distance=159' 20552-4139 UC 4327 distance=159' 20339-4431 I 127BC distance=159' 20356-4243 AOT 83 distance=160' 20339-4431 I 127AB distance=160' 20339-4431 DAM 325AD distance=160' 20339-4431 DAM 325AE distance=160' 21015-4246 NSN 455 distance=160' 21022-4300 DUN 236 distance=161' 20545-4627 B 508 distance=162' 20465-4639 LDS 721 distance=162' 20355-4241 AOT 82 distance=162' 20459-4640 RST2156 distance=164' 20531-4637 SKF1168 distance=166' 20348-4244 AOT 80 distance=168' 20370-4208 AOT 86 distance=168' 20374-4202 CPO 89 distance=169' 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 20485-4359 DON 992 291 5.2
Show 20487-4359 DON 993 AB 332 12.2 3
Show 20487-4359 HJ 5222 AC 271 28.6 3
Show 20452-4428 BRT1114 65 5.6 46
Show 20441-4412 KPP1048 AB 183 8.4 49
Show 20427-4400 KPP3106 232 2.5 63
Show 20555-4426 I 1430 29 1.4 81
Show 20400-4359 DON 990 AB 39 0.3 93
Show 20400-4359 DON 990 AC 292 7.0 93
Show 20476-4534 I 1427 211 0.6 95
Show 20533-4519 SKF1169 224 95.9 96
Show 20417-4253 TDT2475 303 1.0 100
Show 20578-4402 DON 995 252 2.0 101
Show 20571-4439 LDS 729 106 220.3 102
Show 20391-4345 LDS 717 308 22.2 102
Show 20568-4452 HDS2984 239 0.8 104
Show 20583-4345 I 1048 137 1.6 108
Show 20385-4425 I 1424 226 2.4 110
Show 20454-4554 RST1076 287 1.0 121
Show 20389-4253 AOT 88 55 15.8 124
Show 20409-4224 HJ 5211 AB 299 20.0 127
Show 20409-4224 I 1121 BC 243 9.3 127
Show 20372-4445 TOK 369 245 0.5 130
Show 20381-4251 UC 4240 351 45.0 132
Show 20411-4549 SKF1166 147 20.8 135
Show 20561-4213 UC 4335 196 30.8 135
Show 21008-4429 TDT2693 106 1.8 137
Show 21011-4426 HJ 5238 192 36.9 138
Show 20536-4153 BRT1115 339 3.5 139
Show 20556-4204 BRT1116 138 4.5 139
Show 20377-4520 UC 4239 226 11.9 141
Show 20377-4236 UC 4238 182 83.6 144
Show 21017-4431 TOK 800 210 0.5 146
Show 21004-4519 HU 1533 51 4.3 151
Show 20365-4533 I 41 356 2.3 159
Show 20552-4139 UC 4327 96 77.2 159
Show 20339-4431 I 127 BC 209 0.6 159
Show 20356-4243 AOT 83 116 7.8 160
Show 20339-4431 I 127 AB 50 62.3 160
Show 20339-4431 DAM 325 AD 91 49.9 160
Show 20339-4431 DAM 325 AE 101 70.0 160
Show 21015-4246 NSN 455 189 2.5 160
Show 21022-4300 DUN 236 73 57.4 161
Show 20545-4627 B 508 281 2.3 162
Show 20465-4639 LDS 721 215 6.7 162
Show 20355-4241 AOT 82 201 4.2 162
Show 20459-4640 RST2156 245 0.6 164
Show 20531-4637 SKF1168 231 16.9 166
Show 20348-4244 AOT 80 246 11.1 168
Show 20370-4208 AOT 86 303 9.1 168
Show 20374-4202 CPO 89 284 16.0 169

 
 
WDS 20485-4359 : COMPONENTS
 
 
  A
B pa=298.6°
sep=3.96"
 
 
20485-4359 A
 
 
Componente originario normalizzato AB Name Iot Mic Coord arcsec 2000 204829.00-435917.8 Mag 5.11
Spectral class F1IV (yellow-white) PmRA 185.00 PmDE -106.0 SAO 230379
HIP 102693 Tycho2 7975-01347-1 HD 197937 HR 7943
GC 28980 CD CD-4414145 CP CP-44 9890 Bayer Iota Microscopii
Bayer name Iot Mic FK5 1542
Tycho2
Tycho2 7975-01347-1 Pflag RAmdeg 312.12143928 DEmdeg -43.98853195
PmRA 180.7 PmDE -106.7 E RAmdeg 3 E DEmdeg 4
E pmRA 0.8 E pmDE 0.7 EpRAm 1991.46 EpDEm 1990.98
Num 15 Q RAmdeg 1.3 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.4 BTmag 5.508 E BTmag 0.014 VTmag 5.138
E VTmag 0.009 Prox 999 TYC T HIP 102693
CCDM RAdeg 312.12086111 DEdeg -43.98828056 EpRA 1990 1.71
EpDE 1990 1.51 E RAdeg 3.4 E DEdeg 3.6 Posflg
Corr -0.3
SAO
SAO 230379 DelFlag RA1950 PmRA1950 0.0173
DE1950 PmDE1950 -0.104 Vmag 5.1 SpType F0
Double code Source 74 CatNum 1542 DM CD-4414145
DMcomp BDsup HD 197937 M HD 0
GC 28980 RA1950rad 5.43278831 DE1950rad -0.77095164 PmRA2000 0.0173
PmDE2000 -0.106
Hipparcos
Catalog H HIP 102693 Proxy RAhms 20 48 29.00
DEdms -43 59 17.8 Vmag 5.11 VarFlag R Vmag H
RAdeg 312.121 DEdeg -43.9883 AstroRef Plx 24.35
CCDM 20485-4359 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 197937 BD
CD CD-4414145 CP CP-44 9890 Dm number -4414145 VIred 0.42
SpType F1IV R SpType Coord arcsec 2000 204829.00-435917.8
Hipparcos 2
HIP 102693 Sn 1 So 1 Nc 1
RArad 5.4475361536 DErad -0.7677401853 Plx 28.23 PmRA 172.34
PmDE -109.61 E RArad 0.82 E DErad 0.61 E Plx 0.99
E pmRA 1.07 E pmDE 0.8 Hpmag 5.1917 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.361 E BV 0.014
VI 0.42
CCDM
Ccdm 20485-4359 RComp Comp A Note1
Note2 Discov num DRAs -0.82 DDEs -18.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.1 Sp A7 PmNote *
PmRA 185 PmDE -104 Dm number -4414145 Cat1 CD
Name2 230379 Cat2 SAO HD 197937 M HD
ADS BDS M ADS BDS N IDS IDS 20417S4421A
HIC 102693
 
 
20485-4359 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204828.68-435915.9 Mag 15.5 Calc delta mag 10.39
Calc coord yes
CCDM
Ccdm 20485-4359 RComp Comp B Note1
Note2 Discov num DON 992 DRAs DDEs
R dRAs Year 1932 Theta 271 Rho 4.3
Obs 1 Vmag 15.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20417S4421B
HIC 102693