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Current system
18497-7300
R 314
HD 172881


Nearby doubles
18' : 18457-7300
NZO 92

20' : 18501-7240
B 2868

24' : 18492-7321
B 2459

30' : 18509-7329
KPP1085

37' : 18554-7233
TDT1128

41' : 18572-7325
HEI 264

50' : 19001-7242
B 2054

55' : 18373-7308
B 2452

58' : 19016-7325
UC 3766

58' : 18395-7224
TDT 979

60' : 18414-7213
B 2053

63' : 19038-7307
UC 3783

63' : 18498-7157
TDS 949AB

68' : 18345-7250
TDT 941

69' : 18409-7204
I 636

72' : 19036-7224
HDS2703

73' : 18404-7201
LDS 647

75' : 19009-7205
TDT1180

76' : 19049-7337
HEI 266

80' : 18577-7412
HJ 5061

82' : 19052-7347
GLI 249

87' : 18543-7423
LDS 654

87' : 18490-7133
TDS 948

90' : 19097-7245
TDT1264

90' : 18309-7227
TDT 920

93' : 18329-7358
HDS2631



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18497-7300 R 314 (HD 172881)

 
 
18h 49m 43.67s -72° 59' 44.6" P.A. 273.00 sep 2.0 mag 6.20,8.08 Sp B9.5IV-V dist. 215.98 pc (704.53 l.y.)
 
 
Coord 2000 18497-7300 Discov num R   314 Comp Coord arcsec 2000 18 49 43.67 -72 59 44.6
Date first 1880 Date last 2015 Obs 11
Pa first 260 Pa last 273.3 P.A. Now (θ) 273.3°
Sep first 1.0 Sep last 1.965 Sep. Now (ρ) 1.965"
Mag pri 6.20 Mag sec 8.08 delta mag (ΔM) 1.88 Spectral class B9.5IV-V (blue-white)
Pri motion ra +017 Sec motion ra +017
Pri motion dec -007 Sec motion dec -007
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172881 Constellation Pavo SAO 257630 HIP 92394
Tycho2 9300-02260-1 Gaia DR2 6415333413847155712 HD 172881 HR 7027
GC 25701 CP CP-73 1939 Distance 215.98 Distance ly 704.53
 
 
WDS 18497-7300 R 314 (HD 172881) : NOTES
 
 
discov_num notes refcode
R 314 A is a spectroscopic binary.
 
 
REFERENCES
 
 
refcode metd author reference
R__1871 Ma - Russell, H.C. 1884QB821.R94......
R__1871 Sydney Obs. Results, 1871-1881
R__1882 Ma j Russell, H.C. 1882MmRAS..47..109R
R__1882 MemRAS 47, 109, 1882
R__1892 Ma - Russell, H.C. 1892MmRAS..50...57R
R__1892 MemRAS 50, 57, 1892
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18497-7300 R 314 1991 10 271 1.9 6.20 8.08 B9.5IV-V N D 184943.67-725944.6
18497-7300 R 314 2015 11 273 2.0 6.20 8.08 B9.5IV-V N 184943.67-725944.6

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

 
 
WDS 18497-7300 R 314 (HD 172881) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18497-7300 R 314 (HD 172881) : MEASURES
 
 
No records found.

 
 
WDS 18497-7300 (HD 172881) : VIRTUAL EYEPIECE
 
 

18497-7300 R 314A mag 6.2 Sp B9.5IV 18497-7300 R 314B sep 0.6 P.A. 281.20 mag 8.08 Sp V virtual eyepiece
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Radius:
Components only
 
 
WDS 18497-7300 (HD 172881) : ALADIN DSS IMAGE @ 18h 49m 43.67s -72° 59' 44.6"
 
 
 
 
WDS 18497-7300 R 314 (HD 172881) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18497-7300 R 314 distance=0' 18457-7300 NZO 92 distance=18' 18501-7240 B 2868 distance=20' 18492-7321 B 2459 distance=24' 18509-7329 KPP1085 distance=30' 18554-7233 TDT1128 distance=37' 18572-7325 HEI 264 distance=41' 19001-7242 B 2054 distance=50' 18373-7308 B 2452 distance=55' 19016-7325 UC 3766 distance=58' 18395-7224 TDT 979 distance=58' 18414-7213 B 2053 distance=60' 19038-7307 UC 3783 distance=63' 18498-7157 TDS 949AB distance=63' 18498-7157 SKF1506AB,C distance=63' 18345-7250 TDT 941 distance=68' 18409-7204 I 636 distance=69' 19036-7224 HDS2703 distance=72' 18404-7201 LDS 647 distance=73' 19009-7205 TDT1180 distance=75' 19049-7337 HEI 266 distance=76' 18577-7412 HJ 5061 distance=80' 19052-7347 GLI 249 distance=82' 18543-7423 LDS 654 distance=87' 18490-7133 TDS 948 distance=87' 19097-7245 TDT1264 distance=90' 18309-7227 TDT 920 distance=90' 18329-7358 HDS2631 distance=93' 18470-7126 HEI 262 distance=94' 19053-7408 TDT1217 distance=96' 18430-7126 HJ 5048 distance=99' 19000-7132 HDS2694AB distance=100' 18307-7357 TDT 919 distance=100' 19061-7422 TDT1224 distance=108' 18493-7111 TDT1071 distance=109' 18307-7148 B 2867 distance=113' 19072-7426 TDT1236AB distance=114' 18590-7447 HDS2692 distance=114' 18315-7135 TDT 927 distance=119' 18350-7119 UC 3619AB distance=121' 18350-7119 UC 3619AC distance=121' 18350-7119 UC 3619BC distance=121' 19002-7104 TDS 957 distance=126' 19054-7450 TDT1218 distance=128' 18348-7109 TDT 943 distance=131' 18391-7058 TDT 974 distance=132' 18393-7045 TDT 977 distance=143' 18582-7521 I 640 distance=146' 18422-7538 KPP 650 distance=161' 18431-7539 KPP1905 distance=162' 18558-7543 UC 3727 distance=166' 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 18497-7300 R 314 273 2.0
Show 18457-7300 NZO 92 46 3.5 18
Show 18501-7240 B 2868 84 6.4 20
Show 18492-7321 B 2459 37 2.9 24
Show 18509-7329 KPP1085 102 8.6 30
Show 18554-7233 TDT1128 104 0.5 37
Show 18572-7325 HEI 264 113 1.0 41
Show 19001-7242 B 2054 309 3.3 50
Show 18373-7308 B 2452 60 3.0 55
Show 19016-7325 UC 3766 75 56.8 58
Show 18395-7224 TDT 979 49 0.7 58
Show 18414-7213 B 2053 319 0.3 60
Show 19038-7307 UC 3783 14 43.6 63
Show 18498-7157 TDS 949 AB 134 0.9 63
Show 18498-7157 SKF1506 AB,C 306 20.9 63
Show 18345-7250 TDT 941 349 1.0 68
Show 18409-7204 I 636 229 1.1 69
Show 19036-7224 HDS2703 9 0.1 72
Show 18404-7201 LDS 647 45 380.0 73
Show 19009-7205 TDT1180 142 2.5 75
Show 19049-7337 HEI 266 254 0.2 76
Show 18577-7412 HJ 5061 285 6.1 80
Show 19052-7347 GLI 249 301 48.2 82
Show 18543-7423 LDS 654 146 6.6 87
Show 18490-7133 TDS 948 266 0.9 87
Show 19097-7245 TDT1264 43 0.5 90
Show 18309-7227 TDT 920 94 1.9 90
Show 18329-7358 HDS2631 81 0.6 93
Show 18470-7126 HEI 262 273 0.5 94
Show 19053-7408 TDT1217 236 0.6 96
Show 18430-7126 HJ 5048 356 69.6 99
Show 19000-7132 HDS2694 AB 239 0.8 100
Show 18307-7357 TDT 919 189 0.6 100
Show 19061-7422 TDT1224 149 0.4 108
Show 18493-7111 TDT1071 263 0.6 109
Show 18307-7148 B 2867 275 10.0 113
Show 19072-7426 TDT1236 AB 13 0.5 114
Show 18590-7447 HDS2692 141 0.6 114
Show 18315-7135 TDT 927 356 0.5 119
Show 18350-7119 UC 3619 AB 246 28.1 121
Show 18350-7119 UC 3619 AC 243 36.0 121
Show 18350-7119 UC 3619 BC 231 8.2 121
Show 19002-7104 TDS 957 196 1.5 126
Show 19054-7450 TDT1218 28 0.5 128
Show 18348-7109 TDT 943 257 1.4 131
Show 18391-7058 TDT 974 176 0.6 132
Show 18393-7045 TDT 977 138 1.2 143
Show 18582-7521 I 640 318 2.7 146
Show 18422-7538 KPP 650 11 5.9 161
Show 18431-7539 KPP1905 140 15.0 162
Show 18558-7543 UC 3727 330 52.6 166

 
 
WDS 18497-7300 : COMPONENTS
 
 
  A
B pa=281.2°
sep=0.58"
 
 
18497-7300 A
 
 
Componente originario normalizzato AB Name HD 172881 Coord arcsec 2000 184943.67-725944.6 Mag 6.2
Spectral class B9.5IV (blue-white) PmRA 17.00 PmDE -7.0 SAO 257630
HIP 92394 Tycho2 9300-02260-1 HD 172881 HR 7027
GC 25701 CP CP-73 1939
Tycho2
Tycho2 9300-02260-1 Pflag P RAmdeg 282.43195087 DEmdeg -72.99572744
PmRA 16.5 PmDE -6.5 E RAmdeg 3 E DEmdeg 3
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.54 EpDEm 1991.77
Num 7 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 0.8 BTmag 6.218 E BTmag 0.014 VTmag 6.204
E VTmag 0.009 Prox 19 TYC T HIP 92394
CCDM A RAdeg 282.43197944 DEdeg -72.99571306 EpRA 1990 1.58
EpDE 1990 1.81 E RAdeg 3.4 E DEdeg 3.3 Posflg D
Corr 0.1
SAO
SAO 257630 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 0.025 Vmag 6.2 SpType A0
Double code Source 70 CatNum 25701 DM CP-73 1939
DMcomp BDsup HD 172881 M HD 0
GC 25701 RA1950rad 4.90258474 DE1950rad -1.27498673 PmRA2000 -0.001
PmDE2000 0.024
Hipparcos
Catalog H HIP 92394 Proxy H RAhms 18 49 43.68
DEdms -72 59 44.6 Vmag 6.04 VarFlag R Vmag H
RAdeg 282.432 DEdeg -72.9957 AstroRef A Plx 4.43
CCDM 18497-7300 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 271 Rho 1.946 HD 172881 BD
CD CP CP-73 1939 Dm number -73 1939 VIred 0.02
SpType B9.5IV/V R SpType Coord arcsec 2000 184943.68-725944.6
Hipparcos 2
HIP 92394 Sn 15 So 3 Nc 2
RArad 4.9293680441 DErad -1.2740155297 Plx 4.63 PmRA 1.6
PmDE -4.8 E RArad 0.29 E DErad 0.34 E Plx 0.46
E pmRA 0.3 E pmDE 0.38 Hpmag 6.057 E Hpmag 0.0006
SHp 0.008 VA 0 BV 0.033 E BV 0.007
VI 0.05
CCDM
Ccdm 18497-7300 RComp Comp A Note1
Note2 Discov num DRAs 1.43 DDEs 18.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.4 Sp A0 PmNote *
PmRA 1 PmDE 23 Dm number -73 1939 Cat1 CPD
Name2 257630 Cat2 SAO HD 172881 M HD
ADS BDS M ADS BDS N IDS IDS 18374S7306A
HIC 92394
 
 
18497-7300 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184943.54-725944.5 Mag 8.08 Spectral class V
PmRA 17.00 PmDE -7.0 Tycho2 9300-02260-2 Calc delta mag 1.88
Calc coord yes
Tycho2
Tycho2 9300-02260-2 Pflag P RAmdeg 282.43195087 DEmdeg -72.99572744
PmRA 16.5 PmDE -6.5 E RAmdeg 3 E DEmdeg 3
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.54 EpDEm 1991.77
Num 7 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 0.8 BTmag 8.128 E BTmag 0.015 VTmag 8.084
E VTmag 0.011 Prox 19 TYC T HIP 92394
CCDM B RAdeg 282.43012917 DEdeg -72.99570778 EpRA 1990 1.62
EpDE 1990 1.77 E RAdeg 5.0 E DEdeg 4.7 Posflg D
Corr 0.1
CCDM
Ccdm 18497-7300 RComp Comp B Note1
Note2 Discov num R 314 DRAs DDEs
R dRAs Year 1947 Theta 269 Rho 1.9
Obs 6 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18374S7306B
HIC 92394