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Doubles in session


Current system
20197+2408
BKO 640


Nearby doubles
6' : 20200+2413
POU4376

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POU4362

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HJ 2952

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BKO 643

21' : 20207+2353
BKO 646

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POU4358

24' : 20185+2426
POU4354

29' : 20191+2341
POU4360

30' : 20205+2342
POU4384

31' : 20180+2429
OL 123

32' : 20184+2435
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32' : 20207+2341
POU4388

32' : 20191+2338
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POU4359

34' : 20196+2442
POU4373

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A 391AB

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POU4339

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BKO 440

34' : 20172+2415
HDS2893AB



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20197+2408 BKO 640

 
 
20h 19m 38.67s +24° 08' 43.7" P.A. 356.00 sep 10.3 mag 13.00,13.50 dist. 238.1 pc (776.68 l.y.)
 
 
Coord 2000 20197+2408 Discov num BKO 640 Comp Coord arcsec 2000 20 19 38.67 +24 08 43.7
Date first 1998 Date last 2015 Obs 8
Pa first 356 Pa last 355.7 P.A. Now (θ) 355.7°
Sep first 10.3 Sep last 10.323 Sep. Now (ρ) 10.323"
Mag pri 13.00 Mag sec 13.50 delta mag (ΔM) 0.5 Spectral class
Pri motion ra +003 Sec motion ra -004
Pri motion dec +007 Sec motion dec +003
Notes
rPM=1.059
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula SAO 69841 HIP 100239 Tycho2 2684-01111-1
Gaia DR2 1831939032194934528 HD 193621 HR 7782 BD BD+36 4008
Distance 238.1 Distance ly 776.68
 
 
WDS 20197+2408 BKO 640 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
BKO Ladanyi, T. & Berko, E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20197+2408 BKO 640 2008 1 357 10.4 13.00 13.50 201938.67+240843.7
20197+2408 BKO 640 2010 4 354 10.0 13.00 13.50 201938.67+240843.7
20197+2408 BKO 640 2015 4 356 10.3 13.00 13.50 201938.67+240843.7

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

 
 
WDS 20197+2408 BKO 640 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20197+2408 BKO 640 : MEASURES
 
 
No records found.

 
 
WDS 20197+2408 : VIRTUAL EYEPIECE
 
 

20197+2408 BKO 640A mag 13 20197+2408 BKO 640B sep 10.3 P.A. 355.70 mag 13.5 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 20197+2408 : ALADIN DSS IMAGE @ 20h 19m 38.67s +24° 08' 43.7"
 
 
 
 
WDS 20197+2408 BKO 640 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20197+2408 BKO 640 distance=0' 20200+2413 POU4376 distance=6' 20199+2402 POU4375 distance=8' 20193+2417 POU4362 distance=9' 20201+2421 POU4377 distance=15' 20201+2424 HJ 2952 distance=17' 20206+2421 POU4386 distance=18' 20202+2351 BKO 642 distance=19' 20182+2411 POU4347 distance=21' 20205+2353 POU4383AB distance=21' 20205+2353 BKO 645AC distance=21' 20205+2353 BKO 645AD distance=21' 20203+2350 BKO 643 distance=21' 20207+2353 BKO 646 distance=21' 20189+2351 POU4358 distance=22' 20185+2426 POU4354 distance=24' 20191+2341 POU4360 distance=29' 20205+2342 POU4384 distance=30' 20180+2429 OL 123 distance=31' 20184+2435 BKO 638BC distance=32' 20184+2435 POU4351AB distance=32' 20207+2341 POU4388 distance=32' 20191+2338 BKO 639 distance=32' 20195+2337 POU4367 distance=32' 20189+2339 POU4359 distance=32' 20196+2442 POU4373 distance=34' 20192+2441 A 391AB distance=34' 20192+2441 BKO 824AC distance=34' 20172+2411 POU4339 distance=34' 20219+2356 BKO 440 distance=34' 20172+2415 HDS2893AB distance=34' 20172+2415 GRV 326AC distance=34' 20182+2342 POU4346 distance=34' 20219+2355 POU4404 distance=35' 20193+2443 POU4361 distance=35' 20216+2346 STF2672 distance=36' 20201+2334 BKO 641 distance=36' 20221+2357 POU4405 distance=37' 20205+2334 POU4381 distance=37' 20194+2446 POU4366 distance=38' 20199+2332 POU4374 distance=38' 20169+2410 POU4335 distance=38' 20170+2401 POU4337 distance=38' 20197+2447 BKO 825 distance=38' 20213+2440 POU4394 distance=38' 20203+2331 BKO 644 distance=39' 20222+2352 POU4406 distance=40' 20223+2354 POU4410 distance=40' 20169+2356 POU4334 distance=40' 20219+2435 POU4403 distance=41' 20213+2443 BKO 828 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 20197+2408 BKO 640 356 10.3 0
Show 20200+2413 POU4376 177 13.1 6
Show 20199+2402 POU4375 31 7.6 8
Show 20193+2417 POU4362 179 20.6 9
Show 20201+2421 POU4377 192 15.1 15
Show 20201+2424 HJ 2952 282 20.6 17
Show 20206+2421 POU4386 285 5.7 18
Show 20202+2351 BKO 642 31 8.5 19
Show 20182+2411 POU4347 325 15.8 21
Show 20205+2353 POU4383 AB 122 6.9 21
Show 20205+2353 BKO 645 AC 229 5.7 21
Show 20205+2353 BKO 645 AD 45 11.8 21
Show 20203+2350 BKO 643 147 2.5 21
Show 20207+2353 BKO 646 146 6.1 21
Show 20189+2351 POU4358 150 18.2 22
Show 20185+2426 POU4354 113 12.5 24
Show 20191+2341 POU4360 255 8.9 29
Show 20205+2342 POU4384 12 11.4 30
Show 20180+2429 OL 123 337 5.3 31
Show 20184+2435 BKO 638 BC 21 6.2 32
Show 20184+2435 POU4351 AB 88 6.8 32
Show 20207+2341 POU4388 159 10.6 32
Show 20191+2338 BKO 639 323 9.9 32
Show 20195+2337 POU4367 210 11.3 32
Show 20189+2339 POU4359 354 12.9 32
Show 20196+2442 POU4373 220 8.6 34
Show 20192+2441 A 391 AB 278 0.9 34
Show 20192+2441 BKO 824 AC 264 8.4 34
Show 20172+2411 POU4339 357 12.1 34
Show 20219+2356 BKO 440 217 4.4 34
Show 20172+2415 HDS2893 AB 168 0.3 34
Show 20172+2415 GRV 326 AC 262 34.8 34
Show 20182+2342 POU4346 293 16.7 34
Show 20219+2355 POU4404 254 15.2 35
Show 20193+2443 POU4361 234 21.6 35
Show 20216+2346 STF2672 356 0.7 36
Show 20201+2334 BKO 641 98 8.0 36
Show 20221+2357 POU4405 46 1.7 37
Show 20205+2334 POU4381 160 18.5 37
Show 20194+2446 POU4366 258 13.2 38
Show 20199+2332 POU4374 111 5.0 38
Show 20169+2410 POU4335 93 11.7 38
Show 20170+2401 POU4337 124 9.7 38
Show 20197+2447 BKO 825 249 4.7 38
Show 20213+2440 POU4394 25 14.9 38
Show 20203+2331 BKO 644 280 5.6 39
Show 20222+2352 POU4406 12 4.8 40
Show 20223+2354 POU4410 117 3.5 40
Show 20169+2356 POU4334 223 19.6 40
Show 20219+2435 POU4403 273 6.3 41
Show 20213+2443 BKO 828 65 7.4 42

 
 
WDS 20197+2408 : COMPONENTS
 
 
  A
B pa=355.7°
sep=10.32"
 
 
20197+2408 A
 
 
Coord arcsec 2000 201938.67+240843.7 Mag 13 PmRA 3.00 PmDE 7.0
SAO 69841 HIP 100239 HD 193621 HR 7782
BD BD+36 4008
SAO
SAO 69841 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.009 Vmag 6.5 SpType A0
Double code Source 70 CatNum 28284 DM BD+36 4008
DMcomp BDsup HD 193621 M HD 0
GC 28284 RA1950rad 5.31423147 DE1950rad 0.64531817 PmRA2000 0.0009
PmDE2000 -0.011
Hipparcos
Catalog H HIP 100239 Proxy RAhms 20 19 48.31
DEdms +37 07 57.1 Vmag 6.6 VarFlag R Vmag H
RAdeg 304.951 DEdeg 37.1325 AstroRef Plx 5.25
CCDM 12.32 N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+36 4008
CD CP Dm number +36 4008 VIred 0.01
SpType A0III R SpType Coord arcsec 2000 201948.31+370757.1
Hipparcos 2
HIP 100239 Sn 5 So 0 Nc 1
RArad 5.3224042934 DErad 0.648084934 Plx 4.2 PmRA 12.05
PmDE -7.21 E RArad 0.25 E DErad 0.25 E Plx 0.35
E pmRA 0.29 E pmDE 0.28 Hpmag E Hpmag 0.0006
SHp 0.007 VA 0 BV -0.004 E BV 0.005
VI 0.02
 
 
20197+2408 B
 
 
Coord arcsec 2000 201938.61+240854.0 Mag 13.5 PmRA -4.00 PmDE 3.0
SAO 69837 Delta magnitude 0.5 Coordinate calculated yes
SAO
SAO 69837 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.008 Vmag 8.4 SpType M0
Double code Source 5 CatNum 1995 DM BD+36 4007
DMcomp BDsup HD 228935 M HD 0
GC RA1950rad 5.31378799 DE1950rad 0.64523767 PmRA2000 0.0011
PmDE2000 -0.01