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Doubles in session


Current system
19439+7732
LOC 420


Nearby doubles
24' : 19486+7714
TDT1773

24' : 19370+7725
MLR 223

24' : 19490+7715
MLR 228

25' : 19367+7740
SLW1224

38' : 19421+7809
LOC 422

43' : 19554+7754
LOC 421

60' : 20006+7709
LOC 434

61' : 19392+7634
STF2592

63' : 19295+7816
STF2571AB

67' : 19510+7631
LDS1919

69' : 19391+7625
MLR 224

70' : 19399+7623
MLR 225

71' : 19335+7631
UC 3975

79' : 19351+7847
LDS1912

81' : 19591+7630
HU 956AB

87' : 19430+7606
LOC 418

89' : 19515+7607
LDS1920

101' : 19398+7553
LDS1913

111' : 19320+7917
LOC 408

114' : 19310+7919
LOC 407

116' : 19443+7538
LDS1915

121' : 19560+7927
STF2647

130' : 19440+7941
LOC 423

131' : 19510+7524
STF2617

137' : 19593+7941
TDT1902

138' : 19329+7520
HDS2776



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.

19439+7732 LOC 420

 
 
19h 43m 52.94s +77° 32' 02.6" P.A. 7.00 sep 7.9 mag 8.20,17.70 dist. 160.77 pc (524.43 l.y.)
 
 
Coord 2000 19439+7732 Discov num LOC 420 Comp Coord arcsec 2000 19 43 52.94 +77 32 02.6
Date first 2015 Date last 2016 Obs 3
Pa first 7 Pa last 7.1 P.A. Now (θ) 7.1°
Sep first 7.9 Sep last 7.879 Sep. Now (ρ) 7.879"
Mag pri 8.20 Mag sec 17.70 delta mag (ΔM) 9.5 Spectral class
Pri motion ra -011 Sec motion ra -012
Pri motion dec +093 Sec motion dec +093
Notes V (Proper motion indicates physical)
rPM=0.011 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr K0 Constellation Draco SAO 9528 HIP 97089
Tycho2 4588-02069-1 HD 187968 BD BD+77 743 Distance 160.77
Distance ly 524.43
 
 
WDS 19439+7732 LOC 420 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Loc2013 C - Locatelli, G. .
Loc2013 Il Bollettino Delle Stelle Doppie 7, 28, 2013
Loc2014 P - Locatelli, G. .
Loc2014 +E2 Il Bollettino Delle Stelle Doppie 8, 36, 2014
Loc2014b C j Locatelli, G. .
Loc2014b Il Bollettino Delle Stelle Doppie 9, 12, 2014
Loc2014c C j Locatelli, G. .
Loc2014c +E2 Il Bollettino Delle Stelle Doppie 11, 20, 2014
Loc2014c +P
Loc2015a C j Locatelli, G. .
Loc2015a +E2 Il Bollettino Delle Stelle Doppie 12, 10, 2015
Loc2015a +P
Loc2015b C j Locatelli, G. .
Loc2015b Il Bollettino Delle Stelle Doppie 13, 11, 2015
Loc2015c - Locatelli, G. .
Loc2015c Il Bollettino Delle Stelle Doppie 14, 16, 2015
Loc2016 C - Locatelli, G. .
Loc2016 +Pp Il Bollettino Delle Stelle Doppie 16, 9, 2016
Loc2016b C j Locatelli, G. .
Loc2016b Il Bollettino Delle Stelle Doppie 17, 16, 2016
Loc2016c C j Sordiglioni, G., Mantero, A., Locatelli, G. & Galli, G. .
Loc2016c Il Bollettino Delle Stelle Doppie 17, 25, 2016
Loc2016d C j Locatelli, G. .
Loc2016d Il Bollettino Delle Stelle Doppie 19, 4, 2016
Loc2017a C j Locatelli, G. .
Loc2017a Il Bollettino Delle Stelle Doppie 20, 19, 2017
Loc2017b C j Locatelli, G. 2017OED....19...34L
Loc2017b El Observador de Estrellas Dobles, Issue #19, 34, 2017
Loc2019 Hg j Locatelli, G. 2019OED....22...27L
Loc2019 El Observador de Estrellas Dobles, Issue #22, 27, 2019
Loc2019b Hg j Locatelli, G. 2019OED....23...39L
Loc2019b El Observador de Estrellas Dobles, Issue #23, 39, 2019
Loc2019b Note: pairs already in WDS or WDSS not added.
Loc2019c Hg j Locatelli, G. 2019OED....23...63L
Loc2019c El Observador de Estrellas Dobles, Issue #23, 63, 2019
Loc2019c Note: pairs already in WDS or WDSS not added.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19439+7732 LOC 420 2015 1 7 7.9 8.20 17.70 V 194352.94+773202.6
19439+7732 LOC 420 2016 3 7 7.9 8.20 17.70 V 194352.94+773202.6

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

 
 
WDS 19439+7732 LOC 420 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19439+7732 LOC 420 : MEASURES
 
 
No records found.

 
 
WDS 19439+7732 : VIRTUAL EYEPIECE
 
 

19439+7732 LOC 420A mag 8.2 Sp K0 19439+7732 LOC 420B sep 7.8 P.A. 1.50 mag 17.7 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19439+7732 : ALADIN DSS IMAGE @ 19h 43m 52.94s +77° 32' 02.6"
 
 
 
 
WDS 19439+7732 LOC 420 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19439+7732 LOC 420 distance=0' 19486+7714 TDT1773 distance=24' 19370+7725 MLR 223 distance=24' 19490+7715 MLR 228 distance=24' 19367+7740 SLW1224 distance=25' 19421+7809 LOC 422 distance=38' 19554+7754 LOC 421 distance=43' 20006+7709 LOC 434 distance=60' 19392+7634 STF2592 distance=61' 19295+7816 GUI 23DE distance=63' 19295+7816 STF2571AB distance=63' 19295+7816 GUI 23AC distance=63' 19295+7816 GUI 23AD distance=63' 19510+7631 LDS1919 distance=67' 19391+7625 MLR 224 distance=69' 19399+7623 MLR 225 distance=70' 19335+7631 UC 3975 distance=71' 19351+7847 LDS1912 distance=79' 19591+7630 HU 956AB distance=81' 19591+7630 HU 956AC distance=81' 19430+7606 LOC 418 distance=87' 19515+7607 LDS1920 distance=89' 19398+7553 LDS1913 distance=101' 19320+7917 LOC 408 distance=111' 19310+7919 LOC 407 distance=114' 19443+7538 LDS1915 distance=116' 19560+7927 STF2647 distance=121' 19440+7941 LOC 423 distance=130' 19510+7524 STF2617 distance=131' 19593+7941 TDT1902 distance=137' 19329+7520 HDS2776 distance=138' 19440+7952 WIS 335 distance=141' 19348+7501 STF2575 distance=155' 19540+7501 LDS1922 distance=155' 19589+8000 LOC 424 distance=155' 19443+7453 LDS1914 distance=158' 19547+8010 LOC 426 distance=161' 19277+8014 LOC 411 distance=169' 19562+8028 KPP4178 distance=180' 19406+8033 LOC 425 distance=182' 19571+8031 LDS1924 distance=183' 19484+7421 HDS2816 distance=192' 19352+7423 MLR 222AB distance=192' 19352+7423 MLR 222AC distance=192' 19352+7423 MLR 222AD distance=192' 19579+7415 A 1195 distance=204' 19493+7409 MLR 227 distance=204' 19482+7356 LDS1917 distance=217' 19323+8110 LOC 409 distance=221' 19270+7354 YSC 160 distance=227' 19429+8126 MLR 226 distance=234' 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 19439+7732 LOC 420 7 7.9
Show 19486+7714 TDT1773 153 0.7 24
Show 19370+7725 MLR 223 233 0.6 24
Show 19490+7715 MLR 228 266 0.3 24
Show 19367+7740 SLW1224 51 97.5 25
Show 19421+7809 LOC 422 203 1.3 38
Show 19554+7754 LOC 421 290 3.5 43
Show 20006+7709 LOC 434 176 2.1 60
Show 19392+7634 STF2592 297 0.8 61
Show 19295+7816 GUI 23 DE 32 35.5 63
Show 19295+7816 STF2571 AB 19 11.4 63
Show 19295+7816 GUI 23 AC 132 50.1 63
Show 19295+7816 GUI 23 AD 54 201.4 63
Show 19510+7631 LDS1919 54 15.4 67
Show 19391+7625 MLR 224 288 0.2 69
Show 19399+7623 MLR 225 246 0.3 70
Show 19335+7631 UC 3975 95 14.9 71
Show 19351+7847 LDS1912 260 29.3 79
Show 19591+7630 HU 956 AB 88 0.9 81
Show 19591+7630 HU 956 AC 132 138.9 81
Show 19430+7606 LOC 418 239 11.5 87
Show 19515+7607 LDS1920 88 11.4 89
Show 19398+7553 LDS1913 327 3.1 101
Show 19320+7917 LOC 408 168 12.8 111
Show 19310+7919 LOC 407 136 2.6 114
Show 19443+7538 LDS1915 125 9.9 116
Show 19560+7927 STF2647 258 8.5 121
Show 19440+7941 LOC 423 321 2.2 130
Show 19510+7524 STF2617 39 27.9 131
Show 19593+7941 TDT1902 119 0.6 137
Show 19329+7520 HDS2776 92 0.4 138
Show 19440+7952 WIS 335 197 998.0 141
Show 19348+7501 STF2575 33 7.6 155
Show 19540+7501 LDS1922 226 16.0 155
Show 19589+8000 LOC 424 204 4.8 155
Show 19443+7453 LDS1914 49 6.3 158
Show 19547+8010 LOC 426 50 1.7 161
Show 19277+8014 LOC 411 39 4.7 169
Show 19562+8028 KPP4178 181 55.7 180
Show 19406+8033 LOC 425 278 7.4 182
Show 19571+8031 LDS1924 270 7.5 183
Show 19484+7421 HDS2816 85 0.2 192
Show 19352+7423 MLR 222 AB 197 7.5 192
Show 19352+7423 MLR 222 AC 215 22.6 192
Show 19352+7423 MLR 222 AD 217 42.1 192
Show 19579+7415 A 1195 294 4.0 204
Show 19493+7409 MLR 227 77 0.2 204
Show 19482+7356 LDS1917 232 9.1 217
Show 19323+8110 LOC 409 275 7.5 221
Show 19270+7354 YSC 160 287 1.1 227
Show 19429+8126 MLR 226 17 1.9 234

 
 
WDS 19439+7732 : COMPONENTS
 
 
  A
B pa=1.5°
sep=7.82"
 
 
19439+7732 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 194352.94+773202.6 Mag 8.2 Spectral class K0 (yellow-orange)
PmRA -11.00 PmDE 93.0 SAO 9528 HIP 97089
Tycho2 4588-02069-1 HD 187968 BD BD+77 743
Tycho2
Tycho2 4588-02069-1 Pflag RAmdeg 295.97080319 DEmdeg 77.53366886
PmRA -11.2 PmDE 95.2 E RAmdeg 8 E DEmdeg 9
E pmRA 1.0 E pmDE 1.1 EpRAm 1990.31 EpDEm 1990.34
Num 13 Q RAmdeg 0.9 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.6 BTmag 9.724 E BTmag 0.021 VTmag 8.621
E VTmag 0.014 Prox 999 TYC T HIP 97089
CCDM RAdeg 295.97092194 DEdeg 77.53344833 EpRA 1990 1.68
EpDE 1990 1.65 E RAdeg 7.8 E DEdeg 8.5 Posflg
Corr 0.0
SAO
SAO 9528 DelFlag RA1950 PmRA1950 -0.0052
DE1950 PmDE1950 0.1 Vmag 8.4 SpType K0
Double code Source 1 CatNum 553 DM BD+77 743
DMcomp BDsup HD 187968 M HD 0
GC RA1950rad 5.17410177 DE1950rad 1.35105006 PmRA2000 -0.0049
PmDE2000 0.097
Hipparcos
Catalog H HIP 97089 Proxy RAhms 19 43 53.03
DEdms +77 32 00.4 Vmag 8.5 VarFlag R Vmag H
RAdeg 295.971 DEdeg 77.5334 AstroRef Plx 6.81
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 187968 BD BD+77 743
CD CP Dm number +77 743 VIred 0.92
SpType K0 R SpType Coord arcsec 2000 194353.03+773200.4
Hipparcos 2
HIP 97089 Sn 5 So 0 Nc 1
RArad 5.1656675517 DErad 1.3532137241 Plx 6.22 PmRA -11.42
PmDE 92.76 E RArad 0.64 E DErad 0.56 E Plx 0.64
E pmRA 0.67 E pmDE 0.65 Hpmag 8.6679 E Hpmag 0.0018
SHp 0.017 VA 0 BV 0.97 E BV 0.017
VI 0.95
 
 
19439+7732 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194353.00+773210.4 Mag 17.7 PmRA -12.00
PmDE 93.0 Calc delta mag 9.5 Calc coord yes