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Doubles in session


Current system
20391+1550
BU 288 AB
HD 196775


Nearby doubles
10' : 20396+1555
BU 298AB
Sualocin

19' : 20393+1529
HEI 77

25' : 20375+1557
BPM2214

25' : 20406+1559
BPM2225

25' : 20391+1526
BPM2219

25' : 20406+1539
HDS2947

33' : 20413+1551
UC 4257

35' : 20383+1623
BPM2216

36' : 20366+1553
BPM2207

39' : 20415+1611
J 2319

43' : 20374+1626
BPM2212

50' : 20402+1503
UC 4251

50' : 20388+1500
BU 435

51' : 20411+1631
FMR 161

57' : 20357+1522
ARY 85

60' : 20351+1533
J 566

62' : 20363+1636
J 3095

62' : 20413+1458
NSN 4

63' : 20391+1448
LEP 95

65' : 20435+1540
GWP2990

66' : 20434+1604
HJ 1564

68' : 20436+1537
J 3108

72' : 20364+1651
BPM2205

73' : 20434+1512
UC 4270

75' : 20368+1444
STF2703AB

75' : 20340+1543
CBL 527



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

20391+1550 BU 288 AB (HD 196775)

 
 
20h 39m 04.97s +15° 50' 17.6" P.A. 154.00 sep 5.2 mag 5.97,12.40 Sp B3V dist. 413.22 pc (1347.92 l.y.)
 
 
Coord 2000 20391+1550 Discov num BU  288 Comp AB Coord arcsec 2000 20 39 04.97 +15 50 17.6
Date first 1874 Date last 2006 Obs 8
Pa first 180 Pa last 153.7 P.A. Now (θ) 153.7°
Sep first 10.0 Sep last 5.2 Sep. Now (ρ) 5.2"
Mag pri 5.97 Mag sec 12.40 delta mag (ΔM) 6.43 Spectral class B3V (blue-white)
Pri motion ra +003 Sec motion ra
Pri motion dec -022 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20391+1550 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 196775 106347 20 39 05 +15 50 18 BU 288 AB 2006 8 154 5.2 5.97 12.40 6.43 <===
Show 106347 20 39 05 +15 50 18 BU 288 AC 2012 6 122 39.9 5.97 11.31 5.34
Show 106347 20 39 05 +15 50 18 BU 288 AD 2012 6 146 28.8 5.97 14.40 8.43
Show 106347 20 39 05 +15 50 18 BU 288 AE 2012 7 33 23.3 5.97 14.40 8.43
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 196775 Constellation Delphinus SAO 106347 HIP 101909
Tycho2 1633-02443-1 Gaia DR2 1810687847547417856 HD 196775 HR 7899
GC 28758 ADS 14106 BD BD+15 4220 Distance 413.22
Distance ly 1347.92
 
 
WDS 20391+1550 BU 288 AB (HD 196775) : NOTES
 
 
discov_num notes refcode
BU 288 AE: Kuiper (1961) lists the measure as AC, but notes "This is, of
course, not the companion C measured by Burnham as given in the ADS,
but, like D, a fainter and closer companion not previously seen. Kui1961b
 
 
REFERENCES
 
 
refcode metd author reference
Kui1961b Ma j Kuiper, G.P. 1961ApJS....6....1K
Kui1961b ApJS 6, 1, 1961
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20391+1550 BU 288 AB 2006 8 154 5.2 5.97 12.40 B3V D 203904.97+155017.6

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

 
 
WDS 20391+1550 BU 288 AB (HD 196775) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20391+1550 BU 288 AB (HD 196775) : MEASURES
 
 
No records found.

 
 
WDS 20391+1550 (HD 196775) : VIRTUAL EYEPIECE
 
 

20391+1550 BU 288A mag 5.97 Sp B3V 20391+1550 BU 288B sep 5.2 P.A. 154.60 mag 12.4 20391+1550 BU 288C sep 38.9 P.A. 123.30 mag 11.31 20391+1550 BU 288D sep 28.4 P.A. 146.80 mag 14.4 20391+1550 BU 288E sep 23.1 P.A. 31.80 mag 14.4 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 20391+1550 (HD 196775) : ALADIN DSS IMAGE @ 20h 39m 04.97s +15° 50' 17.6"
 
 
 
 
WDS 20391+1550 BU 288 AB (HD 196775) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20391+1550 BU 288AB distance=0' 20396+1555 WCK 2Aa,Ab (Sualocin) distance=10' 20396+1555 BU 298AB (Sualocin) distance=10' 20396+1555 HJ 1554AC (Sualocin) distance=10' 20396+1555 BU 298AD (Sualocin) distance=10' 20396+1555 BU 298AE (Sualocin) distance=10' 20396+1555 BU 298AF (Sualocin) distance=10' 20396+1555 CIA 23Ab1,2 distance=10' 20393+1529 HEI 77 distance=19' 20375+1557 BPM2214 distance=25' 20406+1559 BPM2225 distance=25' 20391+1526 BPM2219 distance=25' 20406+1539 HDS2947 distance=25' 20413+1551 UC 4257 distance=33' 20383+1623 BPM2216 distance=35' 20366+1553 BPM2207 distance=36' 20415+1611 J 2319 distance=39' 20374+1626 BPM2212 distance=43' 20402+1503 UC 4251 distance=50' 20388+1500 BU 435 distance=50' 20411+1631 FMR 161 distance=51' 20357+1522 ARY 85 distance=57' 20351+1533 J 566 distance=60' 20363+1636 J 3095 distance=62' 20413+1458 NSN 4 distance=62' 20391+1448 LEP 95 distance=63' 20435+1540 GWP2990 distance=65' 20434+1604 HJ 1564 distance=66' 20436+1537 J 3108 distance=68' 20364+1651 BPM2205 distance=72' 20434+1512 UC 4270 distance=73' 20368+1444 STF2703AB distance=75' 20368+1444 STF2703AD distance=75' 20368+1444 STF2703AC distance=75' 20340+1543 CBL 527 distance=75' 20368+1444 STF2703BC distance=75' 20352+1457 SKF1767 distance=78' 20375+1436 BU 151AB (Rotanev) distance=78' 20375+1436 HJ 5545AB,C distance=78' 20375+1436 STF2704AB,D distance=78' 20375+1436 LBZ 1AB,E distance=78' 20435+1504 CIA 11 distance=79' 20437+1635 BPM2237 distance=80' 20446+1605 BPM2245 distance=81' 20366+1437 A 1679 distance=82' 20348+1644 BPM2195AB distance=82' 20334+1544 BPM2186 distance=82' 20348+1644 BPM2196BC distance=83' 20427+1440 BPM2233 distance=89' 20352+1659 BPM2199 distance=89' 20353+1440 DRS 32 distance=89' 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 20391+1550 BU 288 AB 154 5.2
Show 20391+1550 BU 288 AC 122 39.9
Show 20391+1550 BU 288 AD 146 28.8
Show 20391+1550 BU 288 AE 33 23.3
Show Sualocin 20396+1555 WCK 2 Aa,Ab 289 0.1 10
Show Sualocin 20396+1555 BU 298 AB 233 35.5 10
Show Sualocin 20396+1555 HJ 1554 AC 277 48.4 10
Show Sualocin 20396+1555 BU 298 AD 160 45.4 10
Show Sualocin 20396+1555 BU 298 AE 304 57.2 10
Show Sualocin 20396+1555 BU 298 AF 118 72.2 10
Show 20396+1555 CIA 23 Ab1,2 250 0.0 10
Show 20393+1529 HEI 77 41 1.4 19
Show 20375+1557 BPM2214 90 69.1 25
Show 20406+1559 BPM2225 57 22.7 25
Show 20391+1526 BPM2219 170 85.3 25
Show 20406+1539 HDS2947 111 0.2 25
Show 20413+1551 UC 4257 208 20.3 33
Show 20383+1623 BPM2216 177 102.9 35
Show 20366+1553 BPM2207 49 43.4 36
Show 20415+1611 J 2319 192 7.5 39
Show 20374+1626 BPM2212 324 100.7 43
Show 20402+1503 UC 4251 291 52.0 50
Show 20388+1500 BU 435 119 3.1 50
Show 20411+1631 FMR 161 322 27.8 51
Show 20357+1522 ARY 85 321 83.6 57
Show 20351+1533 J 566 119 4.1 60
Show 20363+1636 J 3095 185 7.7 62
Show 20413+1458 NSN 4 71 4.6 62
Show 20391+1448 LEP 95 151 8.5 63
Show 20435+1540 GWP2990 291 26.5 65
Show 20434+1604 HJ 1564 41 11.4 66
Show 20436+1537 J 3108 196 6.3 68
Show 20364+1651 BPM2205 170 47.0 72
Show 20434+1512 UC 4270 2 52.2 73
Show 20368+1444 STF2703 AB 290 25.1 75
Show 20368+1444 STF2703 AD 347 84.7 75
Show 20368+1444 STF2703 AC 234 77.8 75
Show 20340+1543 CBL 527 190 50.3 75
Show 20368+1444 STF2703 BC 215 67.0 75
Show 20352+1457 SKF1767 246 1.5 78
Show Rotanev 20375+1436 BU 151 AB 218 0.2 78
Show 20375+1436 HJ 5545 AB,C 139 12.1 78
Show 20375+1436 STF2704 AB,D 317 47.8 78
Show 20375+1436 LBZ 1 AB,E 271 112.6 78
Show 20435+1504 CIA 11 334 0.0 79
Show 20437+1635 BPM2237 49 108.4 80
Show 20446+1605 BPM2245 198 112.1 81
Show 20366+1437 A 1679 273 3.1 82
Show 20348+1644 BPM2195 AB 302 71.3 82
Show 20334+1544 BPM2186 75 53.0 82
Show 20348+1644 BPM2196 BC 128 63.7 83

 
 
WDS 20391+1550 : COMPONENTS
 
 
  A B C D
B pa=154.6°
sep=5.16"
 
C pa=123.3°
sep=38.86"
pa=118.9°
sep=34.55"
 
D pa=146.8°
sep=28.44"
pa=145.1°
sep=23.33"
pa=261.7°
sep=17.09"
 
E pa=31.8°
sep=23.05"
pa=22.3°
sep=26.21"
pa=333.6°
sep=45.70"
pa=355.5°
sep=43.53"
 
 
20391+1550 A
 
 
Name HD 196775 Coord arcsec 2000 203904.97+155017.6 Mag 5.97 Spectral class B3V (blue-white)
PmRA 3.00 PmDE -22.0 SAO 106347 HIP 101909
Tycho2 1633-02443-1 HD 196775 HR 7899 GC 28758
BD BD+15 4220
Tycho2
Tycho2 1633-02443-1 Pflag RAmdeg 309.77070397 DEmdeg 15.83819910
PmRA 0.4 PmDE -15.3 E RAmdeg 3 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.55 EpDEm 1991.15
Num 14 Q RAmdeg 1.3 Q DEmdeg 0.2 Q pmRA 1.2
Q pmDE 0.4 BTmag 5.779 E BTmag 0.014 VTmag 5.950
E VTmag 0.009 Prox 999 TYC T HIP 101909
CCDM RAdeg 309.77070306 DEdeg 15.83823556 EpRA 1990 1.70
EpDE 1990 1.39 E RAdeg 3.4 E DEdeg 3.7 Posflg
Corr -0.1
SAO
SAO 106347 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.015 Vmag 5.9 SpType B2
Double code Source 70 CatNum 28758 DM BD+15 4220
DMcomp BDsup HD 196775 M HD 0
GC 28758 RA1950rad 5.39639279 DE1950rad 0.27334285 PmRA2000 0.0001
PmDE2000 -0.017
Hipparcos
Catalog H HIP 101909 Proxy RAhms 20 39 04.97
DEdms +15 50 17.6 Vmag 5.99 VarFlag R Vmag H
RAdeg 309.771 DEdeg 15.8382 AstroRef Plx 2.51
CCDM 20391+1550 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 196775 BD BD+15 4220
CD CP Dm number +15 4220 VIred -0.14
SpType B3V R SpType Coord arcsec 2000 203904.97+155017.6
Hipparcos 2
HIP 101909 Sn 5 So 0 Nc 1
RArad 5.4065186865 DErad 0.2764293597 Plx 2.42 PmRA -0.71
PmDE -14.59 E RArad 0.26 E DErad 0.21 E Plx 0.32
E pmRA 0.31 E pmDE 0.23 Hpmag 5.9349 E Hpmag 0.0009
SHp 0.006 VA 0 BV -0.145 E BV 0.002
VI -0.14
CCDM
Ccdm 20391+1550 RComp Comp A Note1
Note2 Discov num DRAs -1.01 DDEs 16.9
R dRAs 10 Year Theta Rho
Obs 5 Vmag 5.9 Sp B2 PmNote *
PmRA 2 PmDE -20 Dm number +15 4220 Cat1 BD
Name2 +15 2265 Cat2 AGK2/3 HD 196775 M HD
ADS BDS A14106 M ADS BDS N IDS IDS 20344N1529A
HIC 101909
 
 
20391+1550 B
 
 
Coord arcsec 2000 203905.12+155012.9 Mag 12.4 Calc delta mag 6.43 Calc coord yes
CCDM
Ccdm 20391+1550 RComp Comp B Note1
Note2 Discov num BU 288 DRAs DDEs
R dRAs Year 1934 Theta 159 Rho 6.8
Obs 5 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14106 M ADS BDS N IDS IDS 20344N1529B
HIC 101909
 
 
20391+1550 C
 
 
Coord arcsec 2000 203907.22+154956.3 Mag 11.31 PmRA 9.00 PmDE -11.0
Calc delta mag 5.34 Calc coord yes
CCDM
Ccdm 20391+1550 RComp Comp C Note1
Note2 Discov num BU 288 DRAs DDEs
R dRAs Year 1913 Theta 279 Rho 43.8
Obs 1 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14106 M ADS BDS N IDS IDS 20344N1529C
HIC
 
 
20391+1550 D
 
 
Coord arcsec 2000 203906.05+154953.8 Mag 14.4 Calc delta mag 8.43 Calc coord yes
CCDM
Ccdm 20391+1550 RComp Comp D Note1
Note2 Discov num BU 288 DRAs DDEs
R dRAs Year 1934 Theta 145 Rho 30.3
Obs 1 Vmag 14.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14106 M ADS BDS N IDS IDS 20344N1529D
HIC
 
 
20391+1550 E
 
 
Coord arcsec 2000 203905.81+155037.2 Mag 14.4 Calc delta mag 8.43 Calc coord yes
CCDM
Ccdm 20391+1550 RComp Comp E Note1
Note2 Discov num BU 288 DRAs DDEs
R dRAs Year 1934 Theta 035 Rho 22.5
Obs 1 Vmag 14.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14106 M ADS BDS N IDS IDS 20344N1529E
HIC