stampa
Login

Create your own observing lists in a few clicks and save them.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
18385-4247
DON 915
HD 171758


Nearby doubles
8' : 18382-4240
CPO 595

24' : 18368-4233
CRI 20

35' : 18411-4227
TDS 932

40' : 18404-4320
SKF1149

41' : 18421-4237
UC 3645

44' : 18370-4207
I 1374

48' : 18412-4210
I 250

50' : 18390-4336
BRT1073AB

50' : 18408-4330
DON 918

51' : 18402-4200
UC 3634

57' : 18341-4218
DON 910

58' : 18334-4240
CPO 82AB

60' : 18378-4148
BRT1071

71' : 18366-4140
RST2067

72' : 18400-4137
I 1377

73' : 18367-4137
CPO 593

80' : 18387-4127
HJ 5052

80' : 18362-4402
BRT1068

81' : 18329-4156
B 2453

82' : 18457-4226
HDS2660

84' : 18323-4159
CPO9268

85' : 18312-4312
DAM 677

86' : 18314-4322
CPO 81AB

86' : 18341-4358
BRT1064

87' : 18309-4307
BRT1061

88' : 18431-4134
I 1380



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.

18385-4247 DON 915 (HD 171758)

 
 
18h 38m 31.42s -42° 46' 36.6" P.A. 211.00 sep 2.5 mag 10.39,12.30 Sp A7V
 
 
Coord 2000 18385-4247 Discov num DON 915 Comp Coord arcsec 2000 18 38 31.42 -42 46 36.6
Date first 1931 Date last 2016 Obs 5
Pa first 213 Pa last 210.6 P.A. Now (θ) 210.6°
Sep first 2.2 Sep last 2.468 Sep. Now (ρ) 2.468"
Mag pri 10.39 Mag sec 12.30 delta mag (ΔM) 1.91 Spectral class A7V (white)
Pri motion ra +007 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171758 Constellation Corona Austrina Tycho2 7910-01145-1 Gaia DR2 6722224568209456128
HD 171758
 
 
WDS 18385-4247 DON 915 (HD 171758) : 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
18385-4247 DON 915 1948 3 209 2.2 10.39 12.30 A7V 183831.42-424636.6
18385-4247 DON 915 2015 4 211 2.5 10.39 12.30 A7V S 183831.42-424636.6
18385-4247 DON 915 2016 5 211 2.5 10.39 12.30 A7V S 183831.42-424636.6

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

 
 
WDS 18385-4247 DON 915 (HD 171758) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18385-4247 DON 915 (HD 171758) : MEASURES
 
 
No records found.

 
 
WDS 18385-4247 (HD 171758) : VIRTUAL EYEPIECE
 
 

18385-4247 DON 915A mag 10.39 Sp A7V 18385-4247 DON 915B sep 2.3 P.A. 203.50 mag 12.3 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 18385-4247 (HD 171758) : ALADIN DSS IMAGE @ 18h 38m 31.42s -42° 46' 36.6"
 
 
 
 
WDS 18385-4247 DON 915 (HD 171758) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18385-4247 DON 915 distance=1' 18382-4240 CPO 595 distance=8' 18368-4233 CRI 20 distance=24' 18411-4227 TDS 932 distance=35' 18404-4320 SKF1149 distance=40' 18421-4237 UC 3645 distance=41' 18370-4207 I 1374 distance=44' 18412-4210 I 250 distance=48' 18390-4336 BRT1073AB distance=50' 18390-4336 DAM 113AC distance=50' 18408-4330 DON 918 distance=50' 18402-4200 UC 3634 distance=51' 18341-4218 DON 910 distance=57' 18334-4240 CPO 82AB distance=58' 18334-4240 I 9020AC distance=58' 18378-4148 BRT1071 distance=60' 18366-4140 RST2067 distance=71' 18400-4137 I 1377 distance=72' 18367-4137 CPO 593 distance=73' 18387-4127 HJ 5052 distance=80' 18362-4402 BRT1068 distance=80' 18329-4156 B 2453 distance=81' 18457-4226 HDS2660 distance=82' 18323-4159 CPO9268 distance=84' 18312-4312 DAM 677 distance=85' 18314-4322 CPO 81AB distance=86' 18314-4322 CPO 81AC distance=86' 18341-4358 BRT1064 distance=86' 18309-4307 BRT1061 distance=87' 18431-4134 I 1380 distance=88' 18345-4127 RST2063 distance=92' 18387-4419 BRT1072 distance=92' 18455-4155 FAL 64AB distance=93' 18449-4146 BRT1076 distance=94' 18364-4419 TSN 50 distance=95' 18459-4158 UC 3665 distance=95' 18463-4206 DON 922 distance=96' 18468-4318 BRT1077 distance=97' 18298-4241 BRT1059 distance=97' 18312-4344 I 1369 distance=99' 18472-4315 BRT1078 distance=99' 18295-4243 DON 904 distance=100' 18297-4221 BRT1060 distance=101' 18428-4416 LDS 649 distance=101' 18302-4202 CPO 587 distance=103' 18359-4426 HDS2638 distance=104' 18332-4413 CPO9269 distance=104' 18289-4246 CPO9267 distance=106' 18414-4433 CBL 172 distance=111' 18300-4149 TDT 915 distance=111' 18308-4358 DON 905 distance=111' 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 18385-4247 DON 915 211 2.5 1
Show 18382-4240 CPO 595 17 3.9 8
Show 18368-4233 CRI 20 92 8.4 24
Show 18411-4227 TDS 932 4.0 35
Show 18404-4320 SKF1149 22 42.5 40
Show 18421-4237 UC 3645 333 14.3 41
Show 18370-4207 I 1374 119 2.2 44
Show 18412-4210 I 250 110 1.2 48
Show 18390-4336 BRT1073 AB 285 4.3 50
Show 18390-4336 DAM 113 AC 153 10.2 50
Show 18408-4330 DON 918 130 2.1 50
Show 18402-4200 UC 3634 112 43.8 51
Show 18341-4218 DON 910 143 0.6 57
Show 18334-4240 CPO 82 AB 45 5.9 58
Show 18334-4240 I 9020 AC 74 25.1 58
Show 18378-4148 BRT1071 353 3.6 60
Show 18366-4140 RST2067 192 1.6 71
Show 18400-4137 I 1377 81 1.7 72
Show 18367-4137 CPO 593 257 3.7 73
Show 18387-4127 HJ 5052 130 5.7 80
Show 18362-4402 BRT1068 141 1.8 80
Show 18329-4156 B 2453 256 6.3 81
Show 18457-4226 HDS2660 354 0.1 82
Show 18323-4159 CPO9268 83 5.3 84
Show 18312-4312 DAM 677 210 3.5 85
Show 18314-4322 CPO 81 AB 35 12.4 86
Show 18314-4322 CPO 81 AC 110 8.1 86
Show 18341-4358 BRT1064 332 4.4 86
Show 18309-4307 BRT1061 26 9.3 87
Show 18431-4134 I 1380 170 1.5 88
Show 18345-4127 RST2063 181 6.3 92
Show 18387-4419 BRT1072 80 5.3 92
Show 18455-4155 FAL 64 AB 134 11.9 93
Show 18449-4146 BRT1076 15 4.1 94
Show 18364-4419 TSN 50 346 174.9 95
Show 18459-4158 UC 3665 87 37.2 95
Show 18463-4206 DON 922 316 8.4 96
Show 18468-4318 BRT1077 331 4.1 97
Show 18298-4241 BRT1059 23 2.7 97
Show 18312-4344 I 1369 238 4.3 99
Show 18472-4315 BRT1078 302 3.2 99
Show 18295-4243 DON 904 108 1.2 100
Show 18297-4221 BRT1060 179 3.2 101
Show 18428-4416 LDS 649 240 130.4 101
Show 18302-4202 CPO 587 56 4.6 103
Show 18359-4426 HDS2638 21 7.3 104
Show 18332-4413 CPO9269 317 4.0 104
Show 18289-4246 CPO9267 36 5.6 106
Show 18414-4433 CBL 172 53 36.3 111
Show 18300-4149 TDT 915 90 0.8 111
Show 18308-4358 DON 905 53 0.5 111

 
 
WDS 18385-4247 : COMPONENTS
 
 
  A
B pa=203.5°
sep=2.32"
 
 
18385-4247 A
 
 
Componente originario normalizzato AB Name HD 171758 Coord arcsec 2000 183831.42-424636.6 Mag 10.39
Spectral class A7V (white) PmRA 7.00 PmDE -10.0 Tycho2 7910-01145-1
HD 171758
Tycho2
Tycho2 7910-01145-1 Pflag RAmdeg 279.63093014 DEmdeg -42.77684890
PmRA 7.3 PmDE -10.4 E RAmdeg 27 E DEmdeg 32
E pmRA 2.0 E pmDE 1.9 EpRAm 1989.65 EpDEm 1988.35
Num 3 Q RAmdeg 2.1 Q DEmdeg 2.8 Q pmRA 2.1
Q pmDE 2.7 BTmag 10.620 E BTmag 0.046 VTmag 10.390
E VTmag 0.051 Prox 999 TYC T HIP
CCDM RAdeg 279.63090750 DEdeg -42.77682472 EpRA 1990 1.71
EpDE 1990 1.65 E RAdeg 27.1 E DEdeg 33.3 Posflg
Corr 0.0
 
 
18385-4247 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183831.34-424638.7 Mag 12.3 Calc delta mag 1.91
Calc coord yes