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Doubles in session


Current system
19050-0709
STF 2439
HD 177444


Nearby doubles
12' : 19053-0658
BRT 489

20' : 19048-0727
NSN 146

48' : 19022-0730
TDS 960

49' : 19022-0643
A 41

53' : 19070-0751
J 113

53' : 19083-0726
EVS 40AB

54' : 19027-0628
TDT1196

56' : 19087-0708
DAM 53AB

59' : 19053-0610
BU 974AB

61' : 19026-0621
A 42AB

63' : 19046-0606
GWP2808

64' : 19009-0722
J 2934

67' : 19011-0636
A 39

69' : 19006-0727
LEO 24AB

70' : 19053-0818
BRT 490

80' : 19022-0816
A 40

86' : 18599-0747
KPP2770

87' : 18592-0703
KPP 910

88' : 19076-0550
GWP2812

88' : 19006-0807
STF2425

88' : 19044-0541
HDS2704

90' : 19073-0833
J 2255

92' : 19111-0701
BRT 491

92' : 19110-0726
A 95

92' : 19011-0559
RST4614

95' : 18590-0740
J 2161AB



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.

19050-0709 STF 2439 (HD 177444)

 
 
19h 05m 00.13s -07° 08' 30.8" P.A. 198.00 sep 22.0 mag 8.59,9.93 Sp B8+A0III dist. 49.04 pc (159.97 l.y.)
 
 
Coord 2000 19050-0709 Discov num STF2439 Comp Coord arcsec 2000 19 05 00.13 -07 08 30.8
Date first 1825 Date last 2015 Obs 25
Pa first 199 Pa last 198.4 P.A. Now (θ) 198.4°
Sep first 21.9 Sep last 22.012 Sep. Now (ρ) 22.012"
Mag pri 8.59 Mag sec 9.93 delta mag (ΔM) 1.34 Spectral class B8+A0III (blue-white/white)
Pri motion ra +000 Sec motion ra +001
Pri motion dec -001 Sec motion dec -002
Notes N Y (See Notes, Parallax indicates components are non-physical)
rPM=0.632
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 177444 Constellation Aquila SAO 142994 HIP 93722
Tycho2 5140-00148-1 Gaia DR2 4205436022656938112 HD 177444 GC 26236
BD BD-07 4844 Distance 49.04 Distance ly 159.97
 
 
WDS 19050-0709 STF 2439 (HD 177444) : NOTES
 
 
discov_num notes refcode
STF2439 Primary is V1440 Aql, a Beta Lyr type eclipsing binary, P = 1.83672d. Zas2012
 
 
REFERENCES
 
 
refcode metd author reference
Zas2012 - Zasche, P. ...................
Zas2012 private communication, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19050-0709 STF2439 2004 16 199 21.7 8.59 9.93 B8 D 190500.13-070830.8
19050-0709 STF2439 2013 20 198 22.1 8.59 9.93 B8 N 190500.13-070830.8
19050-0709 STF2439 2015 22 199 21.9 8.59 9.93 B8+A0III NY 190500.13-070830.8

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

 
 
WDS 19050-0709 STF 2439 (HD 177444) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19050-0709 STF 2439 (HD 177444) : MEASURES
 
 
No records found.

 
 
WDS 19050-0709 (HD 177444) : VIRTUAL EYEPIECE
 
 

19050-0709 STF2439A mag 8.59 Sp B8 19050-0709 STF2439B sep 22.0 P.A. 198.30 mag 9.93 Sp A0III virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19050-0709 (HD 177444) : ALADIN DSS IMAGE @ 19h 05m 00.13s -07° 08' 30.8"
 
 
 
 
WDS 19050-0709 STF 2439 (HD 177444) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19050-0709 STF2439 distance=0' 19053-0658 BRT 489 distance=12' 19048-0727 NSN 146 distance=20' 19022-0730 TDS 960 distance=48' 19022-0643 A 41 distance=49' 19070-0751 J 113 distance=53' 19083-0726 EVS 40AB distance=53' 19083-0726 EVS 40AC distance=53' 19083-0726 EVS 40AD distance=53' 19027-0628 TDT1196 distance=54' 19087-0708 DAM 53AB distance=56' 19087-0708 PLT 5AC distance=56' 19053-0610 BU 974AB distance=59' 19053-0610 BU 974AC distance=59' 19026-0621 A 42AB distance=61' 19026-0621 A 42AB,C distance=61' 19026-0621 A 42CD distance=62' 19046-0606 GWP2808 distance=63' 19009-0722 J 2934 distance=64' 19011-0636 A 39 distance=67' 19006-0727 LEO 24AB distance=69' 19006-0727 LEO 24AC distance=69' 19006-0727 LEO 24AD distance=69' 19053-0818 BRT 490 distance=70' 19022-0816 A 40 distance=80' 18599-0747 KPP2770 distance=86' 18592-0703 KPP 910 distance=87' 19076-0550 GWP2812 distance=88' 19006-0807 STF2425 distance=88' 19044-0541 HDS2704 distance=88' 19073-0833 J 2255 distance=90' 19111-0701 BRT 491 distance=92' 19110-0726 A 95 distance=92' 19011-0559 RST4614 distance=92' 18590-0740 J 2161BC distance=94' 18590-0740 J 2161AB distance=95' 18588-0648 J 111 distance=95' 18587-0740 J 2160 distance=99' 19024-0536 PLT 4BD distance=101' 19024-0536 DAM 52AB distance=101' 19024-0536 DAM 52AC distance=101' 19024-0536 SKF1810Aa,Ab distance=101' 19024-0536 DAM 52AD distance=101' 19085-0542 GWP2815 distance=101' 19002-0824 HDS2695 distance=104' 19010-0827 J 2249 distance=105' 19009-0829 J 2248 distance=107' 18599-0546 TDT1174 distance=113' 18579-0758 J 2683 distance=114' 18580-0756 DAM 130 distance=115' 19128-0730 A 96 distance=119' 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 19050-0709 STF2439 198 22.0
Show 19053-0658 BRT 489 199 4.9 12
Show 19048-0727 NSN 146 12 21.9 20
Show 19022-0730 TDS 960 102 1.1 48
Show 19022-0643 A 41 165 0.4 49
Show 19070-0751 J 113 347 5.5 53
Show 19083-0726 EVS 40 AB 8 4.3 53
Show 19083-0726 EVS 40 AC 86 6.7 53
Show 19083-0726 EVS 40 AD 260 21.1 53
Show 19027-0628 TDT1196 180 0.3 54
Show 19087-0708 DAM 53 AB 316 30.1 56
Show 19087-0708 PLT 5 AC 99 22.3 56
Show 19053-0610 BU 974 AB 75 1.1 59
Show 19053-0610 BU 974 AC 120 20.0 59
Show 19026-0621 A 42 AB 56 0.9 61
Show 19026-0621 A 42 AB,C 319 72.8 61
Show 19026-0621 A 42 CD 314 4.6 62
Show 19046-0606 GWP2808 349 67.6 63
Show 19009-0722 J 2934 81 6.9 64
Show 19011-0636 A 39 284 5.5 67
Show 19006-0727 LEO 24 AB 34 4.8 69
Show 19006-0727 LEO 24 AC 313 23.7 69
Show 19006-0727 LEO 24 AD 32 26.3 69
Show 19053-0818 BRT 490 151 4.7 70
Show 19022-0816 A 40 249 2.9 80
Show 18599-0747 KPP2770 343 2.2 86
Show 18592-0703 KPP 910 249 7.5 87
Show 19076-0550 GWP2812 350 40.7 88
Show 19006-0807 STF2425 177 29.5 88
Show 19044-0541 HDS2704 213 0.3 88
Show 19073-0833 J 2255 59 4.6 90
Show 19111-0701 BRT 491 185 7.0 92
Show 19110-0726 A 95 20 0.2 92
Show 19011-0559 RST4614 114 2.1 92
Show 18590-0740 J 2161 BC 130 3.7 94
Show 18590-0740 J 2161 AB 25 29.6 95
Show 18588-0648 J 111 136 3.3 95
Show 18587-0740 J 2160 148 3.6 99
Show 19024-0536 PLT 4 BD 139 22.8 101
Show 19024-0536 DAM 52 AB 240 10.6 101
Show 19024-0536 DAM 52 AC 205 7.7 101
Show 19024-0536 SKF1810 Aa,Ab 142 1.4 101
Show 19024-0536 DAM 52 AD 165 23.0 101
Show 19085-0542 GWP2815 171 96.0 101
Show 19002-0824 HDS2695 105 10.8 104
Show 19010-0827 J 2249 227 7.7 105
Show 19009-0829 J 2248 196 9.4 107
Show 18599-0546 TDT1174 57 4.3 113
Show 18579-0758 J 2683 318 6.3 114
Show 18580-0756 DAM 130 152 8.5 115
Show 19128-0730 A 96 24 5.3 119

 
 
WDS 19050-0709 : COMPONENTS
 
 
  A
B pa=198.3°
sep=22.00"
 
 
19050-0709 A
 
 
Componente originario normalizzato AB Name V1440 Aql Coord arcsec 2000 190500.13-070830.8 Mag 8.59
Spectral class B8 (blue-white) PmRA 0.00 PmDE -1.0 SAO 142994
HIP 93724 Tycho2 5140-00148-1 HD 177444 GC 26236
BD BD-07 4844
Tycho2
Tycho2 5140-00148-1 Pflag RAmdeg 286.25052899 DEmdeg -7.14188771
PmRA 0.7 PmDE -0.6 E RAmdeg 6 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.86 EpDEm 1990.56
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.9 Q pmRA 0.8
Q pmDE 0.8 BTmag 8.609 E BTmag 0.016 VTmag 8.594
E VTmag 0.013 Prox 220 TYC T HIP 93724
CCDM A RAdeg 286.25052750 DEdeg -7.14188611 EpRA 1990 1.79
EpDE 1990 1.68 E RAdeg 5.5 E DEdeg 6.5 Posflg
Corr -0.4
SAO
SAO 142994 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 -0.007 Vmag 8.5 SpType B8
Double code Source 70 CatNum 26236 DM BD-07 4844
DMcomp BDsup HD 177444 M HD 0
GC 26236 RA1950rad 4.98424405 DE1950rad -0.12598503 PmRA2000 0.0011
PmDE2000 -0.007
Hipparcos
Catalog H HIP 93724 Proxy RAhms 19 05 00.13
DEdms -07 08 30.8 Vmag 8.56 VarFlag 2 R Vmag G
RAdeg 286.251 DEdeg -7.14189 AstroRef A Plx 1.73
CCDM 19050-0709 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 177444 BD BD-07 4844
CD CP Dm number -07 4844 VIred 0.07
SpType B8 R SpType Coord arcsec 2000 190500.13-070830.8
Hipparcos 2
HIP 93724 Sn 95 So 3 Nc 1
RArad 4.9960141599 DErad -0.1246494426 Plx -0.99 PmRA -3.4
PmDE 1.38 E RArad 1.42 E DErad 0.88 E Plx 1.72
E pmRA 1.77 E pmDE 1.31 Hpmag 8.6186 E Hpmag 0.013
SHp 0.049 VA 1 BV 0.06 E BV 0.015
VI 0.07
CCDM
Ccdm 19050-0709 RComp Comp A Note1
Note2 Discov num DRAs 0.20 DDEs 28.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp B8 PmNote *
PmRA 12 PmDE -7 Dm number -07 4844 Cat1 BD
Name2 142994 Cat2 SAO HD 177444 M HD
ADS BDS B 9002 M ADS BDS N IDS IDS 18596S0717A
HIC 93724
 
 
19050-0709 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 190459.67-070851.7 Mag 9.93 Spectral class A0III (white)
PmRA 1.00 PmDE -2.0 HIP 93722 Calc delta mag 1.34
Calc coord yes
Hipparcos
Catalog H HIP 93722 Proxy RAhms 19 04 59.66
DEdms -07 08 51.6 Vmag 10.04 VarFlag R Vmag H
RAdeg 286.249 DEdeg -7.14767 AstroRef B Plx 7.93
CCDM 19050-0709 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.75
SpType R SpType Coord arcsec 2000 190459.66-070851.6
Hipparcos 2
HIP 93722 Sn 95 So 3 Nc 1
RArad 4.99598011 DErad -0.1247503517 Plx 20.39 PmRA -18.06
PmDE 6.48 E RArad 8.96 E DErad 6.04 E Plx 10.76
E pmRA 11.21 E pmDE 8.38 Hpmag 10.0892 E Hpmag 0.0369
SHp 0 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 19050-0709 RComp Comp B Note1
Note2 Discov num STF2439 DRAs -0.27 DDEs 7.4
R dRAs 90 Year 1831 Theta 199 Rho 22.0
Obs 4 Vmag 9.7 Sp PmNote
PmRA 12 PmDE -7 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 9002 M ADS BDS N IDS IDS 18596S0717B
HIC 93722