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Doubles in session


Current system
19452-1729
GWP 2887
HD 186478


Nearby doubles
12' : 19445-1724
OCC 25

16' : 19461-1718
LDS4818

49' : 19420-1714
KPP3123

53' : 19487-1747
GWP2897

58' : 19456-1632
GWP2888

61' : 19445-1829
AAQ 11

63' : 19448-1832
RST3237

64' : 19480-1819
UC 4025

72' : 19439-1621
KPP1943

74' : 19455-1616
ARA 123

80' : 19403-1653
OCC 530

81' : 19399-1703
ARN 53

82' : 19397-1713
GWP2877

82' : 19446-1607
HO 113

84' : 19428-1614
ALD 75

89' : 19399-1813
LDS4813

91' : 19436-1602
GWP2885

91' : 19425-1607
BU 1288

94' : 19392-1654
S 722AB

94' : 19409-1619
BU 1287

97' : 19512-1816
UC 4041

97' : 19468-1556
AHD 17

97' : 19407-1618
HJ 599AB

97' : 19468-1555
OCC9062

98' : 19397-1827
HJ 2884

100' : 19473-1555
RST4049



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.

19452-1729 GWP 2887 (HD 186478)

 
 
19h 45m 14.14s -17° 29' 27.1" P.A. 229.00 sep 298.5 mag 9.10,11.20 Sp K2III dist. 628.93 pc (2051.57 l.y.)
 
 
Coord 2000 19452-1729 Discov num GWP2887 Comp Coord arcsec 2000 19 45 14.14 -17 29 27.1
Date first 1991 Date last 2010 Obs 5
Pa first 229 Pa last 229.1 P.A. Now (θ) 229.1°
Sep first 298.6 Sep last 298.5 Sep. Now (ρ) 298.5"
Mag pri 9.10 Mag sec 11.20 delta mag (ΔM) 2.1 Spectral class K2III (yellow-orange)
Pri motion ra -020 Sec motion ra -042
Pri motion dec -086 Sec motion dec -074
Notes V (Proper motion indicates physical)
rPM=0.284 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 186478 Constellation Sagittarius SAO 162947 HIP 97192
Tycho2 6316-00765-1 Gaia DR2 6871465473332110464 HD 186478 BD BD-17 5736
Distance 628.93 Distance ly 2051.57
 
 
WDS 19452-1729 GWP 2887 (HD 186478) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
GWP Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP Observatory (OAG) CPMWP Survey
GWP Part I (2012): Measures of 1725 pairs. Equatorial zone
GWP (RA 00h00m to 11h59m, DEC +20 to -20 deg)
GWP Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP Observatory (OAG) CPMWP Survey
GWP Part II (2016): Measures of 1657 pairs. Equatorial zone
GWP (RA 12h00m to 23h59m, DEC +20 to -20 deg)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19452-1729 GWP2887 1998 2 229 298.5 9.10 11.20 V 194514.14-172927.1
19452-1729 GWP2887 2010 5 229 298.5 9.10 11.20 V 194514.14-172927.1

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

 
 
WDS 19452-1729 GWP 2887 (HD 186478) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19452-1729 GWP 2887 (HD 186478) : MEASURES
 
 
No records found.

 
 
WDS 19452-1729 (HD 186478) : VIRTUAL EYEPIECE
 
 

19452-1729 GWP2887A mag 9.1 Sp K2III 19452-1729 GWP2887B sep 290.7 P.A. 227.80 mag 11.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19452-1729 (HD 186478) : ALADIN DSS IMAGE @ 19h 45m 14.14s -17° 29' 27.1"
 
 
 
 
WDS 19452-1729 GWP 2887 (HD 186478) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19452-1729 GWP2887 distance=0' 19445-1724 OCC 25 distance=12' 19461-1718 LDS4818 distance=16' 19420-1714 KPP3123 distance=49' 19487-1747 GWP2897 distance=53' 19456-1632 GWP2888 distance=58' 19445-1829 AAQ 11 distance=61' 19448-1832 RST3237 distance=63' 19480-1819 UC 4025 distance=64' 19439-1621 KPP1943 distance=72' 19455-1616 ARA 123 distance=74' 19403-1653 OCC 530 distance=80' 19399-1703 ARN 53 distance=81' 19397-1713 GWP2877 distance=82' 19446-1607 HO 113 distance=82' 19428-1614 ALD 75 distance=84' 19399-1813 LDS4813 distance=89' 19436-1602 GWP2885 distance=91' 19425-1607 BU 1288 distance=91' 19392-1654 OCC 534Aa,Ab distance=94' 19392-1654 S 722AB distance=94' 19409-1619 BU 1287 distance=94' 19512-1816 UC 4041 distance=97' 19468-1556 AHD 17 distance=97' 19407-1618 HJ 599AB distance=97' 19407-1618 HJ 599AC distance=97' 19407-1618 ANT 6AD distance=97' 19407-1618 VSP 54Ca,Cb distance=97' 19468-1555 OCC9062 distance=97' 19397-1827 HJ 2884 distance=98' 19473-1555 RST4049 distance=100' 19522-1741 UC 4044 distance=101' 19385-1758 DAM 168 distance=101' 19385-1800 ALD 93 distance=101' 19385-1810 GWP2874 distance=105' 19421-1553 ARA 121 distance=107' 19492-1902 B 451 distance=109' 19378-1749 RST3232 distance=109' 19524-1653 ARA 300 distance=110' 19508-1846 KPP4172 distance=110' 19529-1700 RST3242 distance=114' 19396-1854 ARA 791 distance=117' 19408-1549 GWP2880 distance=119' 19400-1903 GWP2878 distance=120' 19388-1608 UC 3994 distance=124' 19436-1528 BUP 197 distance=124' 19524-1620 OCC9191 distance=125' 19372-1634 OCC9188 distance=129' 19462-1520 HDS2809 distance=131' 19444-1939 ARA 792 distance=131' 19382-1854 HJ 2881 distance=132' 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 19452-1729 GWP2887 229 298.5
Show 19445-1724 OCC 25 172 0.2 12
Show 19461-1718 LDS4818 267 209.6 16
Show 19420-1714 KPP3123 115 1.8 49
Show 19487-1747 GWP2897 204 26.3 53
Show 19456-1632 GWP2888 49 370.3 58
Show 19445-1829 AAQ 11 351 5.7 61
Show 19448-1832 RST3237 171 3.2 63
Show 19480-1819 UC 4025 124 76.3 64
Show 19439-1621 KPP1943 41 15.4 72
Show 19455-1616 ARA 123 334 5.5 74
Show 19403-1653 OCC 530 -1 0.0 80
Show 19399-1703 ARN 53 253 26.8 81
Show 19397-1713 GWP2877 31 138.4 82
Show 19446-1607 HO 113 11 4.2 82
Show 19428-1614 ALD 75 256 2.0 84
Show 19399-1813 LDS4813 130 2.4 89
Show 19436-1602 GWP2885 80 729.9 91
Show 19425-1607 BU 1288 341 0.2 91
Show 19392-1654 OCC 534 Aa,Ab -1 0.1 94
Show 19392-1654 S 722 AB 236 10.3 94
Show 19409-1619 BU 1287 140 1.3 94
Show 19512-1816 UC 4041 315 13.9 97
Show 19468-1556 AHD 17 353 25.6 97
Show 19407-1618 HJ 599 AB 279 45.2 97
Show 19407-1618 HJ 599 AC 41 45.5 97
Show 19407-1618 ANT 6 AD 252 56.8 97
Show 19407-1618 VSP 54 Ca,Cb 261 0.2 97
Show 19468-1555 OCC9062 132 0.5 97
Show 19397-1827 HJ 2884 118 18.8 98
Show 19473-1555 RST4049 42 0.5 100
Show 19522-1741 UC 4044 278 26.8 101
Show 19385-1758 DAM 168 222 3.0 101
Show 19385-1800 ALD 93 290 1.9 101
Show 19385-1810 GWP2874 323 29.4 105
Show 19421-1553 ARA 121 72 13.9 107
Show 19492-1902 B 451 54 0.5 109
Show 19378-1749 RST3232 309 0.3 109
Show 19524-1653 ARA 300 355 14.5 110
Show 19508-1846 KPP4172 332 1.9 110
Show 19529-1700 RST3242 91 1.2 114
Show 19396-1854 ARA 791 86 11.7 117
Show 19408-1549 GWP2880 132 21.1 119
Show 19400-1903 GWP2878 130 18.7 120
Show 19388-1608 UC 3994 182 31.1 124
Show 19436-1528 BUP 197 124 58.6 124
Show 19524-1620 OCC9191 -1 0.0 125
Show 19372-1634 OCC9188 -1 0.0 129
Show 19462-1520 HDS2809 72 0.3 131
Show 19444-1939 ARA 792 227 8.8 131
Show 19382-1854 HJ 2881 330 1.4 132

 
 
WDS 19452-1729 : COMPONENTS
 
 
  A
B pa=227.8°
sep=290.67"
 
 
19452-1729 A
 
 
Componente originario normalizzato AB Name HD 186478 Coord arcsec 2000 194514.14-172927.1 Mag 9.1
Spectral class K2III (yellow-orange) PmRA -20.00 PmDE -86.0 SAO 162947
HIP 97192 Tycho2 6316-00765-1 HD 186478 BD BD-17 5736
Tycho2
Tycho2 6316-00765-1 Pflag RAmdeg 296.30894013 DEmdeg -17.49085086
PmRA -18.3 PmDE -85.0 E RAmdeg 12 E DEmdeg 15
E pmRA 1.3 E pmDE 1.4 EpRAm 1989.09 EpDEm 1987.51
Num 12 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.9 BTmag 10.280 E BTmag 0.033 VTmag 9.239
E VTmag 0.019 Prox 999 TYC T HIP 97192
CCDM RAdeg 296.30898250 DEdeg -17.49065361 EpRA 1990 1.79
EpDE 1990 1.67 E RAdeg 12.5 E DEdeg 16.9 Posflg
Corr -0.3
SAO
SAO 162947 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.076 Vmag 9.1 SpType G
Double code Source 22 CatNum 8463 DM BD-17 5736
DMcomp BDsup HD 186478 M HD 0
GC RA1950rad 5.15900764 DE1950rad -0.30737819 PmRA2000 -0.0006
PmDE2000 -0.076
Hipparcos
Catalog H HIP 97192 Proxy RAhms 19 45 14.15
DEdms -17 29 26.3 Vmag 9.14 VarFlag R Vmag G
RAdeg 296.309 DEdeg -17.4906 AstroRef Plx 1.34
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 186478 BD BD-17 5736
CD CP Dm number -17 5736 VIred 0.96
SpType K2III R SpType Coord arcsec 2000 194514.15-172926.3
Hipparcos 2
HIP 97192 Sn 5 So 0 Nc 1
RArad 5.1715672528 DErad -0.3052693642 Plx 1.59 PmRA -20.79
PmDE -83.3 E RArad 1.03 E DErad 0.62 E Plx 1.14
E pmRA 1.3 E pmDE 0.77 Hpmag 9.3059 E Hpmag 0.0019
SHp 0.015 VA 0 BV 0.971 E BV 0.064
VI 0.96
 
 
19452-1729 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194459.10-173242.5 Mag 11.2 PmRA -42.00
PmDE -74.0 Tycho2 6316-00545-1 Calc delta mag 2.1 Calc coord yes
Tycho2
Tycho2 6316-00545-1 Pflag RAmdeg 296.24320214 DEmdeg -17.54518095
PmRA -41.6 PmDE -73.0 E RAmdeg 58 E DEmdeg 52
E pmRA 3.2 E pmDE 3.4 EpRAm 1985.33 EpDEm 1981.07
Num 4 Q RAmdeg 1.1 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.7 BTmag 12.538 E BTmag 0.235 VTmag 11.325
E VTmag 0.102 Prox 999 TYC HIP
CCDM RAdeg 296.24331056 DEdeg -17.54499500 EpRA 1990 1.78
EpDE 1990 1.62 E RAdeg 65.2 E DEdeg 85.7 Posflg
Corr -0.2