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