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Doubles in session


Current system
19494-0746
RST 4642
HD 187245


Nearby doubles
18' : 19498-0730
UC 4033

26' : 19510-0749
UC 4039

41' : 19471-0809
A 108

44' : 19521-0802
GWP2903

52' : 19460-0735
HDS2808

70' : 19466-0841
TDT1731

76' : 19463-0645
UC 4022

80' : 19447-0825
AOT 78

83' : 19546-0814
STF2594AB

86' : 19541-0834
HJ 900

88' : 19453-0849
AOT 79

92' : 19521-0625
J 2287

93' : 19556-0747
TDT1855

99' : 19539-0858
RST4050

100' : 19431-0818
STFA 45AB

100' : 19436-0656
LDS5884

104' : 19448-0627
TDT1702

105' : 19459-0615
GWP2890

108' : 19553-0644
STF2597AB

110' : 19567-0737
RST4646

113' : 19438-0901
AOT 77

114' : 19557-0643
SCJ 23

117' : 19436-0904
HO 579AB

120' : 19532-0601
UC 4045

121' : 19531-0558
GMC 25

122' : 19534-0600
STF2591



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.

19494-0746 RST 4642 (HD 187245)

 
 
19h 49m 22.54s -07° 45' 52.2" P.A. 260.00 sep 0.4 mag 10.06,10.08 Sp A0
 
 
Coord 2000 19494-0746 Discov num RST4642 Comp Coord arcsec 2000 19 49 22.54 -07 45 52.2
Date first 1940 Date last 1991 Obs 6
Pa first 269 Pa last 259.9 P.A. Now (θ) 259.9°
Sep first 0.3 Sep last 0.38 Sep. Now (ρ) 0.38"
Mag pri 10.06 Mag sec 10.08 delta mag (ΔM) 0.02 Spectral class A0 (white)
Pri motion ra -002 Sec motion ra -002
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187245 Constellation Aquila SAO 143818 Tycho2 5725-02328-1
Gaia DR2 4196276820214918528 HD 187245
 
 
WDS 19494-0746 RST 4642 (HD 187245) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 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
19494-0746 RST4642 1991 6 260 0.4 10.06 10.08 A0 194922.54-074552.2

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

 
 
WDS 19494-0746 RST 4642 (HD 187245) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19494-0746 RST 4642 (HD 187245) : MEASURES
 
 
No records found.

 
 
WDS 19494-0746 (HD 187245) : VIRTUAL EYEPIECE
 
 

19494-0746 RST4642A mag 10.06 Sp A0 19494-0746 RST4642B sep 0.4 P.A. 259.80 mag 10.08 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19494-0746 (HD 187245) : ALADIN DSS IMAGE @ 19h 49m 22.54s -07° 45' 52.2"
 
 
 
 
WDS 19494-0746 RST 4642 (HD 187245) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19494-0746 RST4642 distance=0' 19498-0730 UC 4033 distance=18' 19510-0749 UC 4039 distance=26' 19471-0809 A 108 distance=41' 19521-0802 GWP2903 distance=44' 19460-0735 HDS2808 distance=52' 19466-0841 TDT1731 distance=70' 19463-0645 UC 4022 distance=76' 19447-0825 AOT 78 distance=80' 19546-0814 STF2594AB distance=83' 19541-0834 HJ 900 distance=86' 19453-0849 AOT 79 distance=88' 19521-0625 J 2287 distance=92' 19556-0747 TDT1855 distance=93' 19539-0858 RST4050 distance=99' 19431-0818 HDS2799Ba,Bb distance=99' 19431-0818 STFA 45AB distance=100' 19436-0656 LDS5884 distance=100' 19448-0627 TDT1702 distance=104' 19459-0615 GWP2890 distance=105' 19553-0644 STF2597AB distance=108' 19553-0644 BOW 8AC distance=108' 19567-0737 RST4646 distance=110' 19438-0901 AOT 77 distance=113' 19557-0643 SCJ 23 distance=114' 19436-0904 HO 579AB distance=117' 19436-0904 HO 579AC distance=117' 19532-0601 UC 4045 distance=120' 19531-0558 GMC 25 distance=121' 19534-0600 STF2591 distance=122' 19506-0947 KPP 444 distance=123' 19416-0659 J 1856 distance=126' 19428-0628 HDS2796 distance=126' 19408-0738 GWP2881 distance=128' 19419-0854 TDT1651 distance=130' 19408-0707 J 2553 distance=131' 19463-0950 BRT 553 distance=132' 19431-0612 GWP2884 distance=133' 19502-1000 RST4643AB distance=136' 19502-1000 GII 286Aa,Ab distance=136' 19401-0759 YSC 161 distance=139' 19582-0700 RST5146 distance=140' 19432-0937 AOT 76 distance=145' 19439-0547 BWL 52AB distance=145' 19439-0547 BWL 52AC distance=145' 19439-0547 BWL 52AD distance=145' 19439-0547 BWL 52AE distance=145' 19439-0547 BWL 52AF distance=145' 19439-0547 BWL 52AG distance=145' 19439-0547 BWL 52AH distance=145' 19438-0945 RST4640 distance=145' 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 19494-0746 RST4642 260 0.4
Show 19498-0730 UC 4033 6 44.5 18
Show 19510-0749 UC 4039 169 10.3 26
Show 19471-0809 A 108 107 0.3 41
Show 19521-0802 GWP2903 49 119.6 44
Show 19460-0735 HDS2808 175 0.1 52
Show 19466-0841 TDT1731 52 0.7 70
Show 19463-0645 UC 4022 29 48.6 76
Show 19447-0825 AOT 78 256 17.2 80
Show 19546-0814 STF2594 AB 171 36.3 83
Show 19541-0834 HJ 900 75 46.5 86
Show 19453-0849 AOT 79 348 15.5 88
Show 19521-0625 J 2287 170 3.3 92
Show 19556-0747 TDT1855 41 1.5 93
Show 19539-0858 RST4050 154 0.9 99
Show 19431-0818 HDS2799 Ba,Bb 232 0.5 99
Show 19431-0818 STFA 45 AB 145 96.3 100
Show 19436-0656 LDS5884 52 10.3 100
Show 19448-0627 TDT1702 258 0.5 104
Show 19459-0615 GWP2890 153 254.9 105
Show 19553-0644 STF2597 AB 100 0.6 108
Show 19553-0644 BOW 8 AC -1 -1.0 108
Show 19567-0737 RST4646 195 4.6 110
Show 19438-0901 AOT 77 233 13.8 113
Show 19557-0643 SCJ 23 25 36.5 114
Show 19436-0904 HO 579 AB 305 2.7 117
Show 19436-0904 HO 579 AC 153 63.8 117
Show 19532-0601 UC 4045 12 68.1 120
Show 19531-0558 GMC 25 338 32.3 121
Show 19534-0600 STF2591 106 29.4 122
Show 19506-0947 KPP 444 223 3.6 123
Show 19416-0659 J 1856 86 8.5 126
Show 19428-0628 HDS2796 178 2.9 126
Show 19408-0738 GWP2881 276 27.9 128
Show 19419-0854 TDT1651 187 0.6 130
Show 19408-0707 J 2553 265 3.9 131
Show 19463-0950 BRT 553 91 19.5 132
Show 19431-0612 GWP2884 113 298.8 133
Show 19502-1000 RST4643 AB 264 1.5 136
Show 19502-1000 GII 286 Aa,Ab 126 0.1 136
Show 19401-0759 YSC 161 253 0.1 139
Show 19582-0700 RST5146 53 3.7 140
Show 19432-0937 AOT 76 110 15.4 145
Show 19439-0547 BWL 52 AB 110 4.2 145
Show 19439-0547 BWL 52 AC 193 5.3 145
Show 19439-0547 BWL 52 AD 245 2.5 145
Show 19439-0547 BWL 52 AE 281 4.9 145
Show 19439-0547 BWL 52 AF 83 6.0 145
Show 19439-0547 BWL 52 AG 94 4.9 145
Show 19439-0547 BWL 52 AH 333 5.8 145
Show 19438-0945 RST4640 305 0.6 145

 
 
WDS 19494-0746 : COMPONENTS
 
 
  A
B pa=259.8°
sep=0.38"
 
 
19494-0746 A
 
 
Componente originario normalizzato AB Name HD 187245 Coord arcsec 2000 194922.54-074552.2 Mag 10.06
Spectral class A0 (white) PmRA -2.00 PmDE -11.0 SAO 143818
Tycho2 5725-02328-1 HD 187245 DM BD-08 5114
Tycho2
Tycho2 5725-02328-1 Pflag RAmdeg 297.34384769 DEmdeg -7.76449009
PmRA -1.5 PmDE -10.5 E RAmdeg 13 E DEmdeg 15
E pmRA 1.0 E pmDE 1.1 EpRAm 1987.45 EpDEm 1987.35
Num 12 Q RAmdeg 1.5 Q DEmdeg 1.1 Q pmRA 1.4
Q pmDE 1.0 BTmag 9.626 E BTmag 0.027 VTmag 9.401
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 297.34385111 DEdeg -7.76446722 EpRA 1990 1.62
EpDE 1990 1.55 E RAdeg 15.0 E DEdeg 17.3 Posflg
Corr -0.1
SAO
SAO 143818 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.024 Vmag 8.8 SpType A0
Double code Source 26 CatNum 6935 DM BD-08 5114
DMcomp BDsup HD 187245 M HD 0
GC RA1950rad 5.17785102 DE1950rad -0.13772279 PmRA2000 -0.0004
PmDE2000 -0.025
CCDM
Ccdm 19494-0746 RComp Comp A Note1
Note2 Discov num DRAs -1.49 DDEs 6.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp A0 PmNote *
PmRA -9 PmDE -24 Dm number -08 5114 Cat1 BD
Name2 143818 Cat2 SAO HD 187245 M HD
ADS BDS M ADS BDS N IDS IDS 19440S0801A
HIC
 
 
19494-0746 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194922.52-074552.3 Mag 10.08 PmRA -2.00
PmDE -11.0 Calc delta mag 0.02 Calc coord yes
CCDM
Ccdm 19494-0746 RComp Comp B Note1
Note2 Discov num RST4642 DRAs DDEs
R dRAs Year 1939 Theta 268 Rho 0.3
Obs 5 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19440S0801B
HIC