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Doubles in session


Current system
19021+0230
BAL 1973
HD 176849


Nearby doubles
30' : 19002+0237
J 474

34' : 19040+0213
BAL1974

45' : 19028+0146
A 2195

47' : 19035+0149
RMU 5

53' : 18586+0237
A 2194AB

56' : 18588+0207
MIL 6

61' : 19028+0131
BAL1505

61' : 19059+0251
BAL1975

77' : 18596+0123
RST5459

77' : 18570+0228
HJ 5504

79' : 18574+0302
UC 242

79' : 18578+0315
UC 243

82' : 19031+0350
HJL1100

83' : 19067+0145
BAL1506

86' : 18564+0228
J 2681AB

91' : 19072+0140
TDT1235

92' : 19082+0228
BAL1976

94' : 19085+0218
J 1281AB

94' : 19014-0057
TDS 959

95' : 18578+0339
BAL2501

95' : 19014-0056
GII 67

96' : 19078+0147
HDS2712

96' : 18583+0347
HDS2690

100' : 18573+0121
J 2158

101' : 19021-0049
TDT1192

104' : 19087+0157
BAL1508



Selections
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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.

19021+0230 BAL 1973 (HD 176849)

 
 
19h 02m 06.19s +02° 29' 55.4" P.A. 190.00 sep 10.7 mag 9.45,11.09 Sp A2
 
 
Coord 2000 19021+0230 Discov num BAL1973 Comp Coord arcsec 2000 19 02 06.19 +02 29 55.4
Date first 1909 Date last 2019 Obs 14
Pa first 191 Pa last 190.2 P.A. Now (θ) 190.2°
Sep first 10.6 Sep last 10.7 Sep. Now (ρ) 10.7"
Mag pri 9.45 Mag sec 11.09 delta mag (ΔM) 1.64 Spectral class A2 (white)
Pri motion ra +001 Sec motion ra +002
Pri motion dec -010 Sec motion dec -011
Notes
rPM=0.126 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 176849 Constellation Aquila SAO 124177 Tycho2 0466-01605-1
Gaia DR2 4268711306242102784 HD 176849
 
 
WDS 19021+0230 BAL 1973 (HD 176849) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bal1924 Ma - Baillaud, R. 1924JO......7..117B
Bal1924 J. Obs. 7, 117, 1924
Bal1925 Ma - Baillaud, R. 1925JO......8...53B
Bal1925 J. Obs. 8, 53, 1925
Bal1925b Ma j Baillaud, R. 1925JO......8...56B
Bal1925b J. Obs. 8, 56, 1925
Bal1926 Ma - Baillaud, R. 1926JO......9..129P
Bal1926 J. Obs. 9, 129, 1926
Bal1937A Ma - Baillaud, R. 1937AnLei..18....1S
Bal1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944 C - Baillaud, R. 1944AnBes...3...33B
Bal1944 +Pa Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944 +Po
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19021+0230 BAL1973 1999 5 190 10.7 9.45 11.09 A2 D 190206.19+022955.4
19021+0230 BAL1973 2010 6 190 10.7 9.45 11.09 A2 D 190206.19+022955.4
19021+0230 BAL1973 2015 12 190 10.6 9.45 11.09 A2 190206.19+022955.4
19021+0230 BAL1973 2019 14 190 10.7 9.45 11.09 A2 190206.19+022955.4

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

 
 
WDS 19021+0230 BAL 1973 (HD 176849) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19021+0230 BAL 1973 (HD 176849) : MEASURES
 
 
No records found.

 
 
WDS 19021+0230 (HD 176849) : VIRTUAL EYEPIECE
 
 

19021+0230 BAL1973A mag 9.45 Sp A2 19021+0230 BAL1973B sep 10.7 P.A. 190.20 mag 11.09 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19021+0230 (HD 176849) : ALADIN DSS IMAGE @ 19h 02m 06.19s +02° 29' 55.4"
 
 
 
 
WDS 19021+0230 BAL 1973 (HD 176849) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19021+0230 BAL1973 distance=0' 19002+0237 J 474 distance=30' 19040+0213 BAL1974 distance=34' 19028+0146 A 2195 distance=45' 19035+0149 RMU 5 distance=47' 18586+0237 A 2194AB distance=53' 18588+0207 MIL 6 distance=56' 19028+0131 BAL1505 distance=61' 19059+0251 BAL1975 distance=61' 18590+0330 ALL 3A,BC distance=77' 18596+0123 RST5459 distance=77' 18590+0330 VOU 39BC distance=77' 18570+0228 HJ 5504 distance=77' 18574+0302 UC 242 distance=79' 18578+0315 UC 243 distance=79' 19031+0350 HJL1100 distance=82' 19067+0145 BAL1506 distance=83' 18564+0228 J 2681BC distance=85' 18564+0228 J 2681AB distance=86' 19072+0140 TDT1235 distance=91' 19082+0228 BAL1976 distance=92' 19085+0218 J 1281AB distance=94' 19014-0057 TDS 959 distance=94' 18578+0339 BAL2501 distance=95' 19014-0056 GII 67 distance=95' 19078+0147 HDS2712 distance=96' 18583+0347 HDS2690 distance=96' 19085+0218 J 1281CD distance=97' 18573+0121 J 2158 distance=100' 19021-0049 TDT1192 distance=101' 19087+0157 BAL1508 distance=104' 19075+0124 BAL1507 distance=104' 18553+0251 ROE 8 distance=104' 18583+0102 J 1268 distance=105' 19090+0252 SLE 927 distance=106' 18559+0323 A 2193 distance=108' 19027-0043 STF2434A,BC distance=108' 19027-0043 STF2434BC distance=108' 19063+0100 TDT1226 distance=110' 19094+0219 SLE 929 distance=110' 18558+0327 A 2192 distance=111' 19093+0153 SLE 928 distance=114' 19089+0135 GWP2817 distance=117' 19082+0118 EVS 39AB distance=117' 19082+0118 EVS 39AC distance=117' 19082+0118 EVS 39AD distance=117' 19082+0118 EVS 39AE distance=117' 19082+0118 EVS 39AF distance=117' 19082+0118 EVS 39AG distance=117' 19099+0231 SLE 930 distance=118' 18545+0154 STTA176BD distance=119' 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 19021+0230 BAL1973 190 10.7
Show 19002+0237 J 474 101 2.9 30
Show 19040+0213 BAL1974 295 1.5 34
Show 19028+0146 A 2195 39 2.0 45
Show 19035+0149 RMU 5 122 0.3 47
Show 18586+0237 A 2194 AB 325 1.5 53
Show 18588+0207 MIL 6 87 0.5 56
Show 19028+0131 BAL1505 356 18.6 61
Show 19059+0251 BAL1975 187 7.8 61
Show 18590+0330 ALL 3 A,BC 47 34.7 77
Show 18596+0123 RST5459 359 0.7 77
Show 18590+0330 VOU 39 BC 175 0.2 77
Show 18570+0228 HJ 5504 306 68.6 77
Show 18574+0302 UC 242 180 19.8 79
Show 18578+0315 UC 243 91 10.8 79
Show 19031+0350 HJL1100 22 88.6 82
Show 19067+0145 BAL1506 69 7.8 83
Show 18564+0228 J 2681 BC 101 6.2 85
Show 18564+0228 J 2681 AB 34 83.4 86
Show 19072+0140 TDT1235 15 1.0 91
Show 19082+0228 BAL1976 170 17.8 92
Show 19085+0218 J 1281 AB 328 4.0 94
Show 19014-0057 TDS 959 320 0.8 94
Show 18578+0339 BAL2501 346 3.7 95
Show 19014-0056 GII 67 188 5.2 95
Show 19078+0147 HDS2712 26 0.3 96
Show 18583+0347 HDS2690 14 0.1 96
Show 19085+0218 J 1281 CD 358 3.6 97
Show 18573+0121 J 2158 62 6.1 100
Show 19021-0049 TDT1192 314 0.5 101
Show 19087+0157 BAL1508 226 16.6 104
Show 19075+0124 BAL1507 91 8.4 104
Show 18553+0251 ROE 8 246 5.6 104
Show 18583+0102 J 1268 191 1.7 105
Show 19090+0252 SLE 927 279 7.0 106
Show 18559+0323 A 2193 357 1.0 108
Show 19027-0043 STF2434 A,BC 88 27.8 108
Show 19027-0043 STF2434 BC 257 0.8 108
Show 19063+0100 TDT1226 114 0.9 110
Show 19094+0219 SLE 929 272 7.1 110
Show 18558+0327 A 2192 319 0.2 111
Show 19093+0153 SLE 928 37 8.3 114
Show 19089+0135 GWP2817 27 75.2 117
Show 19082+0118 EVS 39 AB 67 3.8 117
Show 19082+0118 EVS 39 AC 77 5.2 117
Show 19082+0118 EVS 39 AD 51 6.6 117
Show 19082+0118 EVS 39 AE 155 9.6 117
Show 19082+0118 EVS 39 AF 267 12.5 117
Show 19082+0118 EVS 39 AG 129 14.1 117
Show 19099+0231 SLE 930 76 9.0 118
Show 18545+0154 STTA176 BD 358 150.2 119

 
 
WDS 19021+0230 : COMPONENTS
 
 
  A
B pa=190.2°
sep=10.70"
 
 
19021+0230 A
 
 
Componente originario normalizzato AB Name HD 176849 Coord arcsec 2000 190206.19+022955.4 Mag 9.45
Spectral class A2 (white) PmRA 1.00 PmDE -10.0 SAO 124177
Tycho2 0466-01605-1 HD 176849 DM BD+02 3758
Tycho2
Tycho2 0466-01605-1 Pflag RAmdeg 285.52578478 DEmdeg 2.49871419
PmRA -1.3 PmDE -10.8 E RAmdeg 12 E DEmdeg 14
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.54 EpDEm 1989.95
Num 7 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.0 BTmag 9.831 E BTmag 0.024 VTmag 9.446
E VTmag 0.022 Prox 109 TYC T HIP
CCDM RAdeg 285.52578806 DEdeg 2.49873889 EpRA 1990 1.81
EpDE 1990 1.77 E RAdeg 11.8 E DEdeg 14.4 Posflg
Corr -0.1
SAO
SAO 124177 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.022 Vmag 9.1 SpType A2
Double code Source 30 CatNum 6485 DM BD+02 3758
DMcomp BDsup HD 176849 M HD 0
GC RA1950rad 4.97238439 DE1950rad 0.04233806 PmRA2000 0.0008
PmDE2000 -0.023
CCDM
Ccdm 19021+0230 RComp Comp A Note1
Note2 Discov num DRAs 0.15 DDEs -4.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp A2 PmNote *
PmRA 3 PmDE -11 Dm number +02 3758 Cat1 BD
Name2 +02 2365 Cat2 AGK2/3 HD 176849 M HD
ADS BDS M ADS BDS N IDS IDS 18571N0221A
HIC
 
 
19021+0230 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 190206.06+022944.9 Mag 11.09 PmRA 2.00
PmDE -11.0 Tycho2 0466-00529-1 Calc delta mag 1.64 Calc coord yes
Tycho2
Tycho2 0466-00529-1 Pflag RAmdeg 285.52532904 DEmdeg 2.49572081
PmRA 0.7 PmDE -14.8 E RAmdeg 38 E DEmdeg 46
E pmRA 1.6 E pmDE 1.6 EpRAm 1984.62 EpDEm 1980.18
Num 3 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 1.0
Q pmDE 1.5 BTmag 11.391 E BTmag 0.065 VTmag 11.090
E VTmag 0.084 Prox 109 TYC T HIP
CCDM RAdeg 285.52532694 DEdeg 2.49575472 EpRA 1990 1.82
EpDE 1990 1.75 E RAdeg 39.7 E DEdeg 50.3 Posflg
Corr -0.1
CCDM
Ccdm 19021+0230 RComp Comp B Note1
Note2 Discov num BAL1973 DRAs -0.05 DDEs -15.9
R dRAs 10 Year 1909 Theta 190 Rho 10.8
Obs 2 Vmag 10.5 Sp PmNote *
PmRA -17 PmDE -26 Dm number Cat1
Name2 +02 2364 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 18571N0221B
HIC