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Doubles in session


Current system
19523+4433
TDT 1814
HD 187930


Nearby doubles
13' : 19523+4445
KOI 137AB

13' : 19526+4445
KOI5552

15' : 19529+4445
KOI5553

16' : 19538+4436
SMA 109

20' : 19539+4425
GIC 159AB

20' : 19541+4430
KOI5531

20' : 19509+4444
SMA 101

23' : 19543+4437
KOI3111AB

24' : 19543+4441
KOI6059

25' : 19542+4446
KOI6185

26' : 19517+4408
KPP4173

27' : 19504+4446
SMA 100

27' : 19547+4438
KOI7064

29' : 19537+4457
KOI 462

31' : 19551+4434
KOI7050

33' : 19552+4425
KOI 236

33' : 19545+4410
KOI 908AB

34' : 19554+4437
KOI2330

35' : 19547+4411
KOI3652

36' : 19492+4421
KOI7031

36' : 19537+4504
KOI2421AB

36' : 19509+4505
KOI5576AB

37' : 19531+4508
KOI3789

37' : 19492+4417
KOI7019

39' : 19501+4401
DEA 120

40' : 19490+4413
DEA 479



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.

19523+4433 TDT 1814 (HD 187930)

 
 
19h 52m 16.51s +44° 32' 30.7" P.A. 303.00 sep 1.9 mag 12.25,12.27
 
 
Coord 2000 19523+4433 Discov num TDT1814 Comp Coord arcsec 2000 19 52 16.51 +44 32 30.7
Date first 1991 Date last 1991 Obs 1
Pa first 303 Pa last 303.3 P.A. Now (θ) 303.3°
Sep first 1.9 Sep last 1.93 Sep. Now (ρ) 1.93"
Mag pri 12.25 Mag sec 12.27 delta mag (ΔM) 0.02 Spectral class
Pri motion ra +003 Sec motion ra +003
Pri motion dec -010 Sec motion dec -010
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187930 Constellation Cygnus Tycho2 3149-00418-1 Gaia DR2 2079266446223594880
HD 187930
 
 
WDS 19523+4433 TDT 1814 (HD 187930) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
19523+4433 TDT1814 1991 1 303 1.9 12.25 12.27 195216.51+443230.7

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

 
 
WDS 19523+4433 TDT 1814 (HD 187930) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19523+4433 TDT 1814 (HD 187930) : MEASURES
 
 
No records found.

 
 
WDS 19523+4433 (HD 187930) : VIRTUAL EYEPIECE
 
 

19523+4433 TDT1814A mag 12.25 19523+4433 TDT1814B sep 1.9 P.A. 303.30 mag 12.27 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19523+4433 (HD 187930) : ALADIN DSS IMAGE @ 19h 52m 16.51s +44° 32' 30.7"
 
 
 
 
WDS 19523+4433 TDT 1814 (HD 187930) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19523+4433 TDT1814 distance=1' 19523+4445 KOI 137AB distance=13' 19523+4445 KOI 137AC distance=13' 19523+4445 KOI 137AD distance=13' 19523+4445 KOI 137AE distance=13' 19523+4445 KOI 137AF distance=13' 19526+4445 KOI5552 distance=13' 19529+4445 KOI5553 distance=15' 19538+4436 SMA 109 distance=16' 19539+4425 MCY 3Aa,Ab distance=20' 19539+4425 GIC 159AB distance=20' 19539+4425 CRC 36BC distance=20' 19541+4430 KOI5531 distance=20' 19509+4444 SMA 101 distance=20' 19543+4437 KOI3111AB distance=23' 19543+4437 KOI3111AC distance=23' 19543+4437 KOI3111AD distance=23' 19543+4441 KOI6059 distance=24' 19542+4446 KOI6185 distance=25' 19517+4408 KPP4173 distance=26' 19504+4446 SMA 100 distance=27' 19547+4438 KOI7064 distance=27' 19537+4457 KOI 462 distance=29' 19551+4434 KOI7050 distance=31' 19552+4425 KOI 236 distance=33' 19545+4410 KOI 908AB distance=33' 19545+4410 KOI 908AC distance=33' 19545+4410 KOI 908AD distance=33' 19545+4410 KOI 908AE distance=33' 19545+4410 KOI 908AF distance=33' 19545+4410 KOI 908AG distance=33' 19554+4437 KOI2330 distance=34' 19547+4411 KOI3652 distance=35' 19492+4421 KOI7031 distance=36' 19537+4504 KOI2421AB distance=36' 19537+4504 KOI2421AC distance=36' 19537+4504 KOI2421AD distance=36' 19509+4505 KOI5576AB distance=36' 19509+4505 KOI5576AC distance=36' 19490+4423 STF2588A,BC distance=37' 19490+4423 A 718BC distance=37' 19531+4508 KOI3789 distance=37' 19492+4417 KOI7019 distance=37' 19501+4401 DEA 120 distance=39' 19490+4413 DEA 479 distance=40' 19551+4407 KOI2573 distance=40' 19486+4423 KOI4017 distance=42' 19557+4451 KOI 105AB distance=42' 19557+4451 KOI 105AC distance=42' 19557+4451 KOI 105AD distance=42' 19484+4424 KOI7030 distance=42' 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 19523+4433 TDT1814 303 1.9 1
Show 19523+4445 KOI 137 AB 341 4.8 13
Show 19523+4445 KOI 137 AC 137 5.1 13
Show 19523+4445 KOI 137 AD 351 5.7 13
Show 19523+4445 KOI 137 AE 73 5.7 13
Show 19523+4445 KOI 137 AF 186 7.1 13
Show 19526+4445 KOI5552 165 1.1 13
Show 19529+4445 KOI5553 346 1.0 15
Show 19538+4436 SMA 109 111 21.9 16
Show 19539+4425 MCY 3 Aa,Ab 183 0.4 20
Show 19539+4425 GIC 159 AB 69 6.0 20
Show 19539+4425 CRC 36 BC 112 14.9 20
Show 19541+4430 KOI5531 290 3.3 20
Show 19509+4444 SMA 101 50 9.3 20
Show 19543+4437 KOI3111 AB 234 3.4 23
Show 19543+4437 KOI3111 AC 155 5.5 23
Show 19543+4437 KOI3111 AD 135 4.2 23
Show 19543+4441 KOI6059 195 2.7 24
Show 19542+4446 KOI6185 332 2.6 25
Show 19517+4408 KPP4173 222 6.2 26
Show 19504+4446 SMA 100 332 10.7 27
Show 19547+4438 KOI7064 245 3.6 27
Show 19537+4457 KOI 462 133 2.6 29
Show 19551+4434 KOI7050 129 1.8 31
Show 19552+4425 KOI 236 313 2.7 33
Show 19545+4410 KOI 908 AB 254 1.1 33
Show 19545+4410 KOI 908 AC 197 1.5 33
Show 19545+4410 KOI 908 AD 330 2.6 33
Show 19545+4410 KOI 908 AE 227 3.0 33
Show 19545+4410 KOI 908 AF 310 3.0 33
Show 19545+4410 KOI 908 AG 319 5.8 33
Show 19554+4437 KOI2330 251 3.1 34
Show 19547+4411 KOI3652 298 2.0 35
Show 19492+4421 KOI7031 321 3.0 36
Show 19537+4504 KOI2421 AB 292 1.1 36
Show 19537+4504 KOI2421 AC 133 4.1 36
Show 19537+4504 KOI2421 AD 47 8.0 36
Show 19509+4505 KOI5576 AB 180 2.5 36
Show 19509+4505 KOI5576 AC 123 3.9 36
Show 19490+4423 STF2588 A,BC 158 9.6 37
Show 19490+4423 A 718 BC 34 0.1 37
Show 19531+4508 KOI3789 220 3.8 37
Show 19492+4417 KOI7019 213 2.5 37
Show 19501+4401 DEA 120 194 6.0 39
Show 19490+4413 DEA 479 155 55.8 40
Show 19551+4407 KOI2573 100 3.2 40
Show 19486+4423 KOI4017 191 3.3 42
Show 19557+4451 KOI 105 AB 159 0.9 42
Show 19557+4451 KOI 105 AC 21 4.0 42
Show 19557+4451 KOI 105 AD 156 5.6 42
Show 19484+4424 KOI7030 189 2.2 42

 
 
WDS 19523+4433 : COMPONENTS
 
 
  A
B pa=303.3°
sep=1.93"
 
 
19523+4433 A
 
 
Name HD 187930 Coord arcsec 2000 195216.51+443230.7 Mag 12.25 PmRA 3.00
PmDE -10.0
 
 
19523+4433 B
 
 
Coord arcsec 2000 195216.36+443231.8 Mag 12.27 PmRA 3.00 PmDE -10.0
Tycho2 3149-00418-1 HD 187930 Delta magnitude 0.02 Coordinate calculated yes
Tycho2
Tycho2 3149-00418-1 Pflag RAmdeg 298.06875327 DEmdeg 44.54187255
PmRA 2.9 PmDE -10.3 E RAmdeg 130 E DEmdeg 115
E pmRA 2.7 E pmDE 2.3 EpRAm 1938.95 EpDEm 1943.68
Num 3 Q RAmdeg 2.8 Q DEmdeg 1.9 Q pmRA 2.7
Q pmDE 1.9 BTmag 13.029 E BTmag 0.282 VTmag 12.436
E VTmag 0.214 Prox 955 TYC HIP
CCDM RAdeg 298.06874194 DEdeg 44.54189611 EpRA 1990 1.51
EpDE 1990 1.69 E RAdeg 190.9 E DEdeg 159.7 Posflg
Corr -0.1