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Doubles in session


Current system
21156+7836
STF 2796
HD 203516


Nearby doubles
32' : 21217+7902
UC 4456

36' : 21202+7804
KPP4234

37' : 21037+7827
KPP4222

37' : 21278+7830
LOC 487

37' : 21271+7822
UC 4469

44' : 21021+7855
LOC 477

47' : 21290+7901
TDT2985

49' : 21089+7752
LOC 476

51' : 20592+7823
CON 38

57' : 21288+7756
HU 771

60' : 21010+7919
MLR 244

64' : 21276+7744
LOC 486

68' : 21249+7938
LOC 489

72' : 21223+7945
MLR 246

80' : 21092+7719
LOC 474

80' : 21341+7740
LOC 484

81' : 21246+7720
LDS1951

82' : 21087+7718
LOC 475

97' : 21121+7700
LOC 570AB

98' : 21175+7658
LDS1948

106' : 21185+8021
STF2801

108' : 21159+7649
LOC 472

110' : 21140+7646
LDS1946

112' : 21066+7648
LOC 473

115' : 21168+7642
LDS1947

117' : 21070+8030
LOC 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.

21156+7836 STF 2796 (HD 203516)

 
 
21h 15m 35.69s +78° 35' 53.6" P.A. 42.00 sep 26.7 mag 7.43,9.56 Sp A3V dist. 278.55 pc (908.63 l.y.)
 
 
Coord 2000 21156+7836 Discov num STF2796 Comp Coord arcsec 2000 21 15 35.69 +78 35 53.6
Date first 1782 Date last 2018 Obs 49
Pa first 44 Pa last 41.5 P.A. Now (θ) 41.5°
Sep first 22.6 Sep last 26.65 Sep. Now (ρ) 26.65"
Mag pri 7.43 Mag sec 9.56 delta mag (ΔM) 2.13 Spectral class A3V (white)
Pri motion ra +010 Sec motion ra +017
Pri motion dec +005 Sec motion dec +013
Notes N (See Notes)
rPM=0.497
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203516 Constellation Cepheus SAO 10010 HIP 104957
Tycho2 4590-01236-1 Gaia DR2 2284849213368971776 HD 203516 GC 29825
ADS 14845 DM BD+77 812 BD BD+77 811 Distance 278.55
Distance ly 908.63
 
 
WDS 21156+7836 STF 2796 (HD 203516) : NOTES
 
 
discov_num notes refcode
STF2796 B is BD+77@812.
H 4 103. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21156+7836 STF2796 1999 38 42 26.4 7.43 9.56 A3V N D 211535.69+783553.6
21156+7836 STF2796 2010 41 42 26.4 7.43 9.56 A3V N D 211535.69+783553.6
21156+7836 STF2796 2015 45 42 26.6 7.43 9.56 A3V N 211535.69+783553.6
21156+7836 STF2796 2018 49 42 26.7 7.43 9.56 A3V N 211535.69+783553.6

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

 
 
WDS 21156+7836 STF 2796 (HD 203516) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21156+7836 STF 2796 (HD 203516) : MEASURES
 
 
No records found.

 
 
WDS 21156+7836 (HD 203516) : VIRTUAL EYEPIECE
 
 

21156+7836 STF2796A mag 7.43 Sp A3V 21156+7836 STF2796B sep 20.3 P.A. 9.90 mag 9.56 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 21156+7836 (HD 203516) : ALADIN DSS IMAGE @ 21h 15m 35.69s +78° 35' 53.6"
 
 
 
 
WDS 21156+7836 STF 2796 (HD 203516) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21156+7836 STF2796 distance=0' 21217+7902 UC 4456 distance=32' 21202+7804 KPP4234 distance=36' 21037+7827 KPP4222 distance=37' 21278+7830 LOC 487 distance=37' 21271+7822 UC 4469 distance=37' 21207+7916 LDS1950AC distance=44' 21021+7855 LOC 477 distance=44' 21290+7901 TDT2985 distance=47' 21089+7752 LOC 476 distance=49' 20592+7823 CON 38 distance=51' 21288+7756 HU 771 distance=57' 21010+7919 MLR 244 distance=60' 21276+7744 LOC 486 distance=64' 21249+7938 LOC 489 distance=68' 21223+7945 MLR 246 distance=72' 21092+7719 LOC 474 distance=80' 21341+7740 LOC 484 distance=80' 21246+7720 LDS1951 distance=81' 21087+7718 LOC 475 distance=82' 21121+7700 LOC 570AB distance=97' 21121+7700 LOC 570AC distance=97' 21121+7700 LOC 570BC distance=97' 21175+7658 LDS1948 distance=98' 21185+8021 STF2801 distance=106' 21159+7649 LOC 472 distance=108' 21140+7646 LDS1946 distance=110' 21066+7648 LOC 473 distance=112' 21168+7642 LDS1947 distance=115' 21070+8030 LOC 479 distance=117' 21248+7636 LDS1952 distance=124' 20557+7648 UC 4331 distance=125' 21066+8048 TOK 632 distance=134' 21067+7623 KPP1325 distance=137' 21121+7619 STT 436 distance=138' 20565+8049 UC 4338 distance=143' 21040+7604 SLW1229 distance=157' 21157+8114 MLR 245 distance=158' 20562+7611 UC 4336 distance=159' 21118+8121 LOC 571BC distance=166' 21118+8121 LOC 571AB distance=166' 21118+8121 LOC 571AC distance=166' 21060+8121 PKO 31 distance=167' 21248+7551 NSN 744 distance=168' 21147+8133 LOC 478 distance=178' 21060+8134 LOC 480 distance=180' 21196+8143 AZC 180 distance=188' 21164+8210 LDS1949 distance=214' 21170+8210 LOC 482 distance=215' 21321+7507 OSW 63 distance=217' 21057+7501 TDT2739 distance=218' 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 21156+7836 STF2796 42 26.7
Show 21217+7902 UC 4456 353 30.2 32
Show 21202+7804 KPP4234 212 3.6 36
Show 21037+7827 KPP4222 264 2.0 37
Show 21278+7830 LOC 487 256 2.1 37
Show 21271+7822 UC 4469 188 9.1 37
Show 21207+7916 LDS1950 AC 287 5.3 44
Show 21021+7855 LOC 477 275 3.4 44
Show 21290+7901 TDT2985 212 0.5 47
Show 21089+7752 LOC 476 53 1.2 49
Show 20592+7823 CON 38 237 2.5 51
Show 21288+7756 HU 771 193 2.6 57
Show 21010+7919 MLR 244 188 2.5 60
Show 21276+7744 LOC 486 337 4.2 64
Show 21249+7938 LOC 489 31 1.5 68
Show 21223+7945 MLR 246 47 3.1 72
Show 21092+7719 LOC 474 350 10.6 80
Show 21341+7740 LOC 484 235 10.4 80
Show 21246+7720 LDS1951 347 2.4 81
Show 21087+7718 LOC 475 324 5.3 82
Show 21121+7700 LOC 570 AB 109 24.0 97
Show 21121+7700 LOC 570 AC 109 24.5 97
Show 21121+7700 LOC 570 BC 83 0.6 97
Show 21175+7658 LDS1948 305 8.7 98
Show 21185+8021 STF2801 271 2.1 106
Show 21159+7649 LOC 472 108 3.2 108
Show 21140+7646 LDS1946 35 15.1 110
Show 21066+7648 LOC 473 147 3.6 112
Show 21168+7642 LDS1947 319 165.7 115
Show 21070+8030 LOC 479 209 3.5 117
Show 21248+7636 LDS1952 76 190.2 124
Show 20557+7648 UC 4331 35 15.6 125
Show 21066+8048 TOK 632 53 999.9 134
Show 21067+7623 KPP1325 281 10.0 137
Show 21121+7619 STT 436 227 12.0 138
Show 20565+8049 UC 4338 91 12.9 143
Show 21040+7604 SLW1229 1 16.6 157
Show 21157+8114 MLR 245 41 1.2 158
Show 20562+7611 UC 4336 300 22.3 159
Show 21118+8121 LOC 571 BC 259 13.6 166
Show 21118+8121 LOC 571 AB 87 12.7 166
Show 21118+8121 LOC 571 AC 199 2.1 166
Show 21060+8121 PKO 31 119 9.6 167
Show 21248+7551 NSN 744 354 0.9 168
Show 21147+8133 LOC 478 333 1.5 178
Show 21060+8134 LOC 480 285 3.1 180
Show 21196+8143 AZC 180 6 52.1 188
Show 21164+8210 LDS1949 106 15.4 214
Show 21170+8210 LOC 482 75 1.7 215
Show 21321+7507 OSW 63 233 87.1 217
Show 21057+7501 TDT2739 1 2.0 218

 
 
WDS 21156+7836 : COMPONENTS
 
 
  A
B pa=9.9°
sep=20.26"
 
 
21156+7836 A
 
 
Componente originario normalizzato AB Name HD 203516 Coord arcsec 2000 211535.69+783553.6 Mag 7.43
Spectral class A3V (white) PmRA 10.00 PmDE 5.0 SAO 10010
HIP 104957 Tycho2 4590-01236-1 HD 203516 GC 29825
ADS 14845 BD BD+77 811
Tycho2
Tycho2 4590-01236-1 Pflag RAmdeg 318.89869920 DEmdeg 78.59821101
PmRA 10.2 PmDE 8.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.40 EpDEm 1991.47
Num 12 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.1 BTmag 7.462 E BTmag 0.015 VTmag 7.426
E VTmag 0.010 Prox 263 TYC T HIP 104957
CCDM A RAdeg 318.89858000 DEdeg 78.59819194 EpRA 1990 1.70
EpDE 1990 1.68 E RAdeg 4.2 E DEdeg 4.2 Posflg
Corr 0.0
SAO
SAO 10010 DelFlag RA1950 PmRA1950 0.0046
DE1950 PmDE1950 0.009 Vmag 7.2 SpType A0
Double code Source 70 CatNum 29825 DM BD+77 811
DMcomp BDsup HD 203516 M HD 0
GC 29825 RA1950rad 5.57029535 DE1950rad 1.36812711 PmRA2000 0.0051
PmDE2000 0.004
Hipparcos
Catalog H HIP 104957 Proxy RAhms 21 15 35.66
DEdms +78 35 53.5 Vmag 7.42 VarFlag R Vmag H
RAdeg 318.899 DEdeg 78.5982 AstroRef A Plx 4.06
CCDM 21156+7836 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual C M HIP
Theta Rho HD 203516 BD BD+77 811
CD CP Dm number +77 811 VIred 0.03
SpType A0 R SpType Coord arcsec 2000 211535.66+783553.5
Hipparcos 2
HIP 104957 Sn 95 So 3 Nc 1
RArad 5.5658299459 DErad 1.3717972273 Plx 3.59 PmRA 10.17
PmDE 5.61 E RArad 0.61 E DErad 0.58 E Plx 0.64
E pmRA 0.69 E pmDE 0.62 Hpmag 7.4434 E Hpmag 0.01
SHp 0.013 VA 0 BV 0.037 E BV 0.008
VI 0.05
CCDM
Ccdm 21156+7836 RComp Comp A Note1
Note2 Discov num DRAs -0.42 DDEs -6.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.2 Sp A0 PmNote *
PmRA 2 PmDE 14 Dm number +77 811 Cat1 BD
Name2 +78 502 Cat2 AGK2/3 HD 203516 M HD
ADS BDS A14845 M ADS BDS N IDS IDS 21176N7811A
HIC 104957
 
 
21156+7836 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211536.87+783613.6 Mag 9.56 PmRA 17.00
PmDE 13.0 ADS 14845 DM BD+77 812 Calc delta mag 2.13
Calc coord yes
CCDM
Ccdm 21156+7836 RComp Comp B Note1
Note2 Discov num STF2796 DRAs 5.36 DDEs 13.0
R dRAs 10 Year 1951 Theta 043 Rho 25.9
Obs 19 Vmag 10.3 Sp PmNote *
PmRA 1 PmDE 18 Dm number +77 812 Cat1 BD
Name2 +78 503 Cat2 AGK2/3 HD M HD
ADS BDS A14845 M ADS BDS N IDS IDS 21176N7811B
HIC 104964