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Current system
18538+7708
LOC 387


Nearby doubles
34' : 18437+7704
TDT1021

42' : 18420+7656
LOC 384

54' : 18438+7750
LOC 385

56' : 18450+7621
UC 3662AB

61' : 19106+7732
LOC 399

63' : 18408+7624
MLR 214

64' : 18374+7741
STT 363

65' : 18344+7708
LOC 369

68' : 18401+7758
TDT 985

68' : 19099+7750
LDS1900

75' : 19068+7609
LOC 397

76' : 18444+7600
LDS1892

77' : 18554+7824
LDS1896

81' : 18535+7547
STF2452

88' : 18424+7550
LDS1890

92' : 19023+7834
LDS1898

92' : 18539+7840
LDS1895

104' : 18340+7830
TDT 937

105' : 18464+7526
YSC 10

111' : 18582+7519
WOR 26

115' : 19071+7854
LOC 400

135' : 19061+7501
TDT1222

144' : 18397+7455
LDS1889

153' : 19090+7933
UC 3822

158' : 18395+7940
SKF1085

162' : 19049+7945
HDS2706



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18538+7708 LOC 387

 
 
18h 53m 46.72s +77° 07' 30.3" P.A. 310.00 sep 8.5 mag 17.10,17.30
 
 
Coord 2000 18538+7708 Discov num LOC 387 Comp Coord arcsec 2000 18 53 46.72 +77 07 30.3
Date first 2000 Date last 2016 Obs 7
Pa first 309 Pa last 309.5 P.A. Now (θ) 309.5°
Sep first 8.5 Sep last 8.474 Sep. Now (ρ) 8.474"
Mag pri 17.10 Mag sec 17.30 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -008 Sec motion ra -008
Pri motion dec +069 Sec motion dec +069
Notes V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco
 
 
WDS 18538+7708 LOC 387 : 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
18538+7708 LOC 387 2015 6 310 8.5 17.10 17.30 V 185346.72+770730.3
18538+7708 LOC 387 2016 7 310 8.5 17.10 17.30 V 185346.72+770730.3

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

 
 
WDS 18538+7708 LOC 387 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18538+7708 LOC 387 : MEASURES
 
 
No records found.

 
 
WDS 18538+7708 : VIRTUAL EYEPIECE
 
 

18538+7708 LOC 387A mag 17.1 18538+7708 LOC 387B sep 5.6 P.A. 344.90 mag 17.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18538+7708 : ALADIN DSS IMAGE @ 18h 53m 46.72s +77° 07' 30.3"
 
 
 
 
WDS 18538+7708 LOC 387 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18538+7708 LOC 387 distance=0' 18437+7704 TDT1021 distance=34' 18420+7656 LOC 384 distance=42' 18438+7750 LOC 385 distance=54' 18450+7621 MLR 216Aa,Ab distance=56' 18450+7621 UC 3662AB distance=56' 19106+7732 LOC 399 distance=61' 18408+7624 MLR 214 distance=63' 18374+7741 STT 363 distance=64' 18344+7708 LOC 369 distance=65' 18401+7758 TDT 985 distance=68' 19099+7750 LDS1900 distance=68' 19068+7609 LOC 397 distance=75' 18444+7600 LDS1892 distance=76' 18554+7824 LDS1896 distance=77' 18535+7547 STF2452 distance=81' 18424+7550 LDS1890 distance=88' 19023+7834 LDS1898 distance=92' 18539+7840 LDS1895 distance=92' 18340+7830 TDT 937 distance=104' 18464+7526 YSC 10 distance=105' 18582+7519 WOR 26 distance=111' 19071+7854 LOC 400 distance=115' 19061+7501 TDT1222 distance=135' 18397+7455 LDS1889 distance=144' 19090+7933 UC 3822 distance=153' 18395+7940 SKF1085 distance=158' 19049+7945 HDS2706 distance=162' 19127+7439 UC 3846 distance=164' 18411+7953 SKF1647 distance=170' 18500+7957 TDT1077 distance=170' 19127+7948 LDS1902 distance=171' 18475+8010 UC 3672 distance=184' 18371+7409 TDT 960 distance=190' 19046+8017 TDT1212 distance=192' 19136+8012 LDS1903 distance=195' 18566+8042 LDS1897 distance=216' 18384+8107 TDT 969 distance=243' 18576+7250 OSO 106 distance=258' 19079+7252 A 1174 distance=261' 18445+8133 LOC 389 distance=267' 18400+7241 CFN 15 distance=272' 18485+7226 A 1132 distance=283' 18480+8203 LOC 391 distance=297' 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 18538+7708 LOC 387 310 8.5
Show 18437+7704 TDT1021 139 0.7 34
Show 18420+7656 LOC 384 260 1.2 42
Show 18438+7750 LOC 385 321 3.2 54
Show 18450+7621 MLR 216 Aa,Ab 35 0.4 56
Show 18450+7621 UC 3662 AB 104 58.6 56
Show 19106+7732 LOC 399 94 1.4 61
Show 18408+7624 MLR 214 30 0.4 63
Show 18374+7741 STT 363 335 0.6 64
Show 18344+7708 LOC 369 297 23.5 65
Show 18401+7758 TDT 985 26 0.7 68
Show 19099+7750 LDS1900 300 72.4 68
Show 19068+7609 LOC 397 98 1.1 75
Show 18444+7600 LDS1892 31 21.6 76
Show 18554+7824 LDS1896 133 6.0 77
Show 18535+7547 STF2452 217 5.7 81
Show 18424+7550 LDS1890 70 58.1 88
Show 19023+7834 LDS1898 345 112.0 92
Show 18539+7840 LDS1895 45 33.3 92
Show 18340+7830 TDT 937 154 1.6 104
Show 18464+7526 YSC 10 331 0.3 105
Show 18582+7519 WOR 26 162 0.1 111
Show 19071+7854 LOC 400 95 1.9 115
Show 19061+7501 TDT1222 163 2.0 135
Show 18397+7455 LDS1889 340 3.9 144
Show 19090+7933 UC 3822 283 46.8 153
Show 18395+7940 SKF1085 110 1.5 158
Show 19049+7945 HDS2706 281 3.6 162
Show 19127+7439 UC 3846 116 7.2 164
Show 18411+7953 SKF1647 343 9.9 170
Show 18500+7957 TDT1077 34 2.0 170
Show 19127+7948 LDS1902 79 4.1 171
Show 18475+8010 UC 3672 260 49.2 184
Show 18371+7409 TDT 960 220 2.0 190
Show 19046+8017 TDT1212 282 2.2 192
Show 19136+8012 LDS1903 68 9.4 195
Show 18566+8042 LDS1897 115 11.7 216
Show 18384+8107 TDT 969 31 1.5 243
Show 18576+7250 OSO 106 320 15.1 258
Show 19079+7252 A 1174 70 1.0 261
Show 18445+8133 LOC 389 160 1.6 267
Show 18400+7241 CFN 15 110 0.8 272
Show 18485+7226 A 1132 125 5.5 283
Show 18480+8203 LOC 391 352 36.7 297

 
 
WDS 18538+7708 : COMPONENTS
 
 
  A
B pa=344.9°
sep=5.58"
 
 
18538+7708 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185346.72+770730.3 Mag 17.1 PmRA -8.00
PmDE 69.0
 
 
18538+7708 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185346.28+770735.7 Mag 17.3 PmRA -8.00
PmDE 69.0 Calc delta mag 0.2 Calc coord yes