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Doubles in session


Current system
19421+7809
LOC 422


Nearby doubles
34' : 19367+7740
SLW1224

38' : 19439+7732
LOC 420

40' : 19295+7816
STF2571AB

42' : 19351+7847
LDS1912

45' : 19554+7754
LOC 421

47' : 19370+7725
MLR 223

58' : 19490+7715
MLR 228

59' : 19486+7714
TDT1773

75' : 19320+7917
LOC 408

77' : 19310+7919
LOC 407

83' : 19223+7716
LOC 406

85' : 20006+7709
LOC 434

89' : 19560+7927
STF2647

93' : 19440+7941
LOC 423

96' : 19392+7634
STF2592

103' : 19335+7631
UC 3975

103' : 19510+7631
LDS1919

104' : 19440+7952
WIS 335

105' : 19391+7625
MLR 224

105' : 19593+7941
TDT1902

106' : 19399+7623
MLR 225

110' : 19239+7944
LDS1906

114' : 19591+7630
HU 956AB

122' : 19589+8000
LOC 424

124' : 19430+7606
LOC 418

126' : 19515+7607
LDS1920



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.

19421+7809 LOC 422

 
 
19h 42m 07.31s +78° 08' 55.2" P.A. 203.00 sep 1.3 mag 14.70,16.30
 
 
Coord 2000 19421+7809 Discov num LOC 422 Comp Coord arcsec 2000 19 42 07.31 +78 08 55.2
Date first 2015 Date last 2016 Obs 2
Pa first 203 Pa last 203 P.A. Now (θ) 203°
Sep first 1.3 Sep last 1.252 Sep. Now (ρ) 1.252"
Mag pri 14.70 Mag sec 16.30 delta mag (ΔM) 1.6 Spectral class
Pri motion ra +028 Sec motion ra +030
Pri motion dec +084 Sec motion dec +084
Notes V (Proper motion indicates physical)
rPM=0.022 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco
 
 
WDS 19421+7809 LOC 422 : 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
19421+7809 LOC 422 2015 1 203 1.3 14.70 16.30 V 194207.31+780855.2
19421+7809 LOC 422 2016 2 203 1.3 14.70 16.30 V 194207.31+780855.2

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

 
 
WDS 19421+7809 LOC 422 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19421+7809 LOC 422 : MEASURES
 
 
No records found.

 
 
WDS 19421+7809 : VIRTUAL EYEPIECE
 
 

19421+7809 LOC 422A mag 14.7 19421+7809 LOC 422B sep 1.2 P.A. 185.00 mag 16.3 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 19421+7809 : ALADIN DSS IMAGE @ 19h 42m 07.31s +78° 08' 55.2"
 
 
 
 
WDS 19421+7809 LOC 422 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19421+7809 LOC 422 distance=0' 19367+7740 SLW1224 distance=34' 19295+7816 GUI 23DE distance=37' 19439+7732 LOC 420 distance=38' 19295+7816 STF2571AB distance=40' 19295+7816 GUI 23AC distance=40' 19295+7816 GUI 23AD distance=40' 19351+7847 LDS1912 distance=42' 19554+7754 LOC 421 distance=45' 19370+7725 MLR 223 distance=47' 19490+7715 MLR 228 distance=58' 19486+7714 TDT1773 distance=59' 19320+7917 LOC 408 distance=75' 19310+7919 LOC 407 distance=77' 19223+7716 LOC 406 distance=83' 20006+7709 LOC 434 distance=85' 19560+7927 STF2647 distance=89' 19440+7941 LOC 423 distance=93' 19392+7634 STF2592 distance=96' 19335+7631 UC 3975 distance=103' 19510+7631 LDS1919 distance=103' 19440+7952 WIS 335 distance=104' 19391+7625 MLR 224 distance=105' 19593+7941 TDT1902 distance=105' 19399+7623 MLR 225 distance=106' 19239+7944 LDS1906 distance=110' 19591+7630 HU 956AB distance=114' 19591+7630 HU 956AC distance=114' 19589+8000 LOC 424 distance=122' 19430+7606 LOC 418 distance=124' 19515+7607 LDS1920 distance=126' 19547+8010 LOC 426 distance=126' 19277+8014 LOC 411 distance=132' 19398+7553 LDS1913 distance=137' 19406+8033 LOC 425 distance=145' 19562+8028 KPP4178 distance=145' 19571+8031 LDS1924 distance=149' 19443+7538 LDS1915 distance=153' 19510+7524 STF2617 distance=168' 19329+7520 HDS2776 distance=172' 19323+8110 LOC 409 distance=184' 19348+7501 STF2575 distance=190' 19540+7501 LDS1922 distance=192' 19443+7453 LDS1914 distance=195' 19429+8126 MLR 226 distance=197' 19308+8125 MLR 221 distance=199' 19593+8138 MLR 231 distance=215' 19352+7423 MLR 222AB distance=228' 19352+7423 MLR 222AC distance=228' 19352+7423 MLR 222AD distance=228' 19328+8156 LOC 410 distance=229' 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 19421+7809 LOC 422 203 1.3
Show 19367+7740 SLW1224 51 97.5 34
Show 19295+7816 GUI 23 DE 32 35.5 37
Show 19439+7732 LOC 420 7 7.9 38
Show 19295+7816 STF2571 AB 19 11.4 40
Show 19295+7816 GUI 23 AC 132 50.1 40
Show 19295+7816 GUI 23 AD 54 201.4 40
Show 19351+7847 LDS1912 260 29.3 42
Show 19554+7754 LOC 421 290 3.5 45
Show 19370+7725 MLR 223 233 0.6 47
Show 19490+7715 MLR 228 266 0.3 58
Show 19486+7714 TDT1773 153 0.7 59
Show 19320+7917 LOC 408 168 12.8 75
Show 19310+7919 LOC 407 136 2.6 77
Show 19223+7716 LOC 406 354 1.8 83
Show 20006+7709 LOC 434 176 2.1 85
Show 19560+7927 STF2647 258 8.5 89
Show 19440+7941 LOC 423 321 2.2 93
Show 19392+7634 STF2592 297 0.8 96
Show 19335+7631 UC 3975 95 14.9 103
Show 19510+7631 LDS1919 54 15.4 103
Show 19440+7952 WIS 335 197 998.0 104
Show 19391+7625 MLR 224 288 0.2 105
Show 19593+7941 TDT1902 119 0.6 105
Show 19399+7623 MLR 225 246 0.3 106
Show 19239+7944 LDS1906 128 98.5 110
Show 19591+7630 HU 956 AB 88 0.9 114
Show 19591+7630 HU 956 AC 132 138.9 114
Show 19589+8000 LOC 424 204 4.8 122
Show 19430+7606 LOC 418 239 11.5 124
Show 19515+7607 LDS1920 88 11.4 126
Show 19547+8010 LOC 426 50 1.7 126
Show 19277+8014 LOC 411 39 4.7 132
Show 19398+7553 LDS1913 327 3.1 137
Show 19406+8033 LOC 425 278 7.4 145
Show 19562+8028 KPP4178 181 55.7 145
Show 19571+8031 LDS1924 270 7.5 149
Show 19443+7538 LDS1915 125 9.9 153
Show 19510+7524 STF2617 39 27.9 168
Show 19329+7520 HDS2776 92 0.4 172
Show 19323+8110 LOC 409 275 7.5 184
Show 19348+7501 STF2575 33 7.6 190
Show 19540+7501 LDS1922 226 16.0 192
Show 19443+7453 LDS1914 49 6.3 195
Show 19429+8126 MLR 226 17 1.9 197
Show 19308+8125 MLR 221 345 1.4 199
Show 19593+8138 MLR 231 242 0.3 215
Show 19352+7423 MLR 222 AB 197 7.5 228
Show 19352+7423 MLR 222 AC 215 22.6 228
Show 19352+7423 MLR 222 AD 217 42.1 228
Show 19328+8156 LOC 410 272 8.1 229

 
 
WDS 19421+7809 : COMPONENTS
 
 
  A
B pa=185.0°
sep=1.16"
 
 
19421+7809 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 194207.31+780855.2 Mag 14.7 PmRA 28.00
PmDE 84.0
 
 
19421+7809 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194207.28+780854.0 Mag 16.3 PmRA 30.00
PmDE 84.0 Calc delta mag 1.6 Calc coord yes