18287-4318 DON 903 (HD 169856)

 
 
18h 28m 42.92s -43° 18' 05.8" P.A. 149.00 sep 1.2 mag 10.49,10.49 Sp F3/5V
 
 
Coord 2000 18287-4318 Discov num DON 903 Comp Coord arcsec 2000 18 28 42.92 -43 18 05.8
Date first 1930 Date last 2021 Obs 5
Pa first 324 Pa last 149 P.A. Now (θ) 149°
Sep first 1.0 Sep last 1.226 Sep. Now (ρ) 1.226"
Mag pri 10.49 Mag sec 10.49 delta mag (ΔM) 0 Spectral class F3/5V (yellow-white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -025 Sec motion dec -025
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 169856 Constellation Corona Austrina Tycho2 7913-00496-1 Gaia DR2 6721955428385220864
HD 169856
 
 
WDS 18287-4318 DON 903 (HD 169856) : 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
18287-4318 DON 903 1991 3 325 1.2 10.49 10.49 F3/5V 182842.92-431805.8
18287-4318 DON 903 2016 4 329 1.2 10.49 10.49 F3/5V 182842.92-431805.8
18287-4318 DON 903 2021 5 149 1.2 10.49 10.49 F3/5V 182842.92-431805.8

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

 
 
WDS 18287-4318 DON 903 (HD 169856) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18287-4318 DON 903 (HD 169856) : MEASURES
 
 
No records found.

 
 
WDS 18287-4318 (HD 169856) : VIRTUAL EYEPIECE
 
 

18287-4318 DON 903A mag 10.49 Sp F3/5V 18287-4318 DON 903B sep 1.1 P.A. 156.40 mag 10.49 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 18287-4318 (HD 169856) : ALADIN DSS IMAGE @ 18h 28m 42.92s -43° 18' 05.8"
 
 
 
 
WDS 18287-4318 DON 903 (HD 169856) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18287-4318 DON 903 distance=1' 18309-4307 BRT1061 distance=27' 18312-4312 DAM 677 distance=29' 18314-4322 CPO 81AB distance=30' 18314-4322 CPO 81AC distance=30' 18289-4246 CPO9267 distance=33' 18295-4243 DON 904 distance=37' 18312-4344 I 1369 distance=38' 18298-4241 BRT1059 distance=39' 18308-4358 DON 905 distance=46' 18269-4228 BRT1054 distance=55' 18297-4221 BRT1060 distance=58' 18270-4223 BRT1055 distance=59' 18257-4412 DON 898 distance=64' 18334-4240 CPO 82AB distance=65' 18334-4240 I 9020AC distance=65' 18228-4304 KPP3112 distance=66' 18233-4247 COO 224 distance=67' 18243-4407 DUN 221 distance=69' 18341-4358 BRT1064 distance=70' 18332-4413 CPO9269 distance=74' 18302-4202 CPO 587 distance=79' 18325-4425 DON 908 distance=79' 18310-4434 CPO 589 distance=80' 18297-4438 TOI1118 distance=81' 18293-4157 B 2449 distance=81' 18224-4232 TDT 820 distance=84' 18341-4218 DON 910 distance=85' 18274-4154 TDT 883 distance=86' 18211-4344 BRT1045 distance=88' 18323-4159 CPO9268 distance=89' 18300-4149 TDT 915 distance=91' 18304-4448 UC 3597 distance=92' 18362-4402 BRT1068 distance=93' 18218-4413 I 1363 distance=94' 18329-4156 B 2453 distance=94' 18210-4406 DON 890 distance=97' 18210-4407 TDT 813 distance=97' 18345-4433 BRT1065 distance=98' 18251-4148 BRT1050 distance=99' 18368-4233 CRI 20 distance=100' 18213-4416 BRT1046 distance=100' 18200-4354 HDS2591 distance=102' 18359-4426 HDS2638 distance=104' 18364-4419 TSN 50 distance=104' 18222-4434 CPO9265 distance=104' 18300-4134 RST2058 distance=105' 18220-4437 CPO9264 distance=108' 18285-4129 BRT1058AB distance=108' 18285-4129 BRT1058Aa,Ab distance=108' 18205-4219 DON 889 distance=108' 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 18287-4318 DON 903 149 1.2 1
Show 18309-4307 BRT1061 26 9.3 27
Show 18312-4312 DAM 677 210 3.5 29
Show 18314-4322 CPO 81 AB 35 12.4 30
Show 18314-4322 CPO 81 AC 110 8.1 30
Show 18289-4246 CPO9267 36 5.6 33
Show 18295-4243 DON 904 108 1.2 37
Show 18312-4344 I 1369 238 4.3 38
Show 18298-4241 BRT1059 23 2.7 39
Show 18308-4358 DON 905 53 0.5 46
Show 18269-4228 BRT1054 165 3.5 55
Show 18297-4221 BRT1060 179 3.2 58
Show 18270-4223 BRT1055 81 5.5 59
Show 18257-4412 DON 898 24 0.5 64
Show 18334-4240 CPO 82 AB 45 5.9 65
Show 18334-4240 I 9020 AC 74 25.1 65
Show 18228-4304 KPP3112 334 2.4 66
Show 18233-4247 COO 224 135 3.0 67
Show 18243-4407 DUN 221 162 74.0 69
Show 18341-4358 BRT1064 332 4.4 70
Show 18332-4413 CPO9269 317 4.0 74
Show 18302-4202 CPO 587 56 4.6 79
Show 18325-4425 DON 908 229 2.3 79
Show 18310-4434 CPO 589 293 8.3 80
Show 18297-4438 TOI1118 132 0.2 81
Show 18293-4157 B 2449 269 10.2 81
Show 18224-4232 TDT 820 237 2.1 84
Show 18341-4218 DON 910 143 0.6 85
Show 18274-4154 TDT 883 294 0.5 86
Show 18211-4344 BRT1045 74 4.3 88
Show 18323-4159 CPO9268 83 5.3 89
Show 18300-4149 TDT 915 90 0.8 91
Show 18304-4448 UC 3597 132 75.2 92
Show 18362-4402 BRT1068 141 1.8 93
Show 18218-4413 I 1363 297 0.8 94
Show 18329-4156 B 2453 256 6.3 94
Show 18210-4406 DON 890 235 0.9 97
Show 18210-4407 TDT 813 145 2.1 97
Show 18345-4433 BRT1065 155 5.3 98
Show 18251-4148 BRT1050 312 2.8 99
Show 18368-4233 CRI 20 92 8.4 100
Show 18213-4416 BRT1046 311 5.1 100
Show 18200-4354 HDS2591 27 0.3 102
Show 18359-4426 HDS2638 21 7.3 104
Show 18364-4419 TSN 50 346 174.9 104
Show 18222-4434 CPO9265 204 4.9 104
Show 18300-4134 RST2058 38 0.5 105
Show 18220-4437 CPO9264 179 5.8 108
Show 18285-4129 BRT1058 AB 178 5.2 108
Show 18285-4129 BRT1058 Aa,Ab 102 0.2 108
Show 18205-4219 DON 889 260 0.8 108

 
 
WDS 18287-4318 : COMPONENTS
 
 
  A
B pa=156.4°
sep=1.15"
 
 
18287-4318 A
 
 
Componente originario normalizzato AB Name HD 169856 Coord arcsec 2000 182842.92-431805.8 Mag 10.49
Spectral class F3/5V (yellow-white) PmRA 0.00 PmDE -25.0 Tycho2 7913-00496-1
HD 169856 DM CD-4312560
Tycho2
Tycho2 7913-00496-1 Pflag P RAmdeg 277.17883413 DEmdeg -43.30161190
PmRA -0.3 PmDE -25.2 E RAmdeg 29 E DEmdeg 35
E pmRA 2.4 E pmDE 2.2 EpRAm 1989.68 EpDEm 1988.23
Num 4 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.2
Q pmDE 0.6 BTmag 11.082 E BTmag 0.054 VTmag 10.490
E VTmag 0.048 Prox 12 TYC T HIP
CCDM RAdeg 277.17894250 DEdeg -43.30167139 EpRA 1990 1.80
EpDE 1990 1.77 E RAdeg 30.0 E DEdeg 36.9 Posflg D
Corr 0.0
 
 
18287-4318 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182842.96-431806.9 Mag 10.49 PmRA 0.00
PmDE -25.0 Calc coord yes