20181+3315 SEI 1072 (HD 228805)

 
 
20h 18m 08.66s +33° 15' 05.4" P.A. 328.00 sep 17.7 mag 10.11,11.53 Sp A5
 
 
Coord 2000 20181+3315 Discov num SEI1072 Comp Coord arcsec 2000 20 18 08.66 +33 15 05.4
Date first 1893 Date last 2015 Obs 16
Pa first 327 Pa last 328.3 P.A. Now (θ) 328.3°
Sep first 18.1 Sep last 17.673 Sep. Now (ρ) 17.673"
Mag pri 10.11 Mag sec 11.53 delta mag (ΔM) 1.42 Spectral class A5 (white)
Pri motion ra +006 Sec motion ra +008
Pri motion dec +008 Sec motion dec +008
Notes
rPM=0.177 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228805 Constellation Cygnus Tycho2 2676-00565-1 Gaia DR2 2054619999738351872
HD 228805
 
 
WDS 20181+3315 SEI 1072 (HD 228805) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20181+3315 SEI1072 1999 9 328 17.7 10.11 11.54 A5 D 201808.66+331505.4
20181+3315 SEI1072 2002 10 328 17.7 10.11 11.54 A5 D 201808.66+331505.4
20181+3315 SEI1072 2010 11 328 17.6 10.11 11.53 A5 201808.66+331505.4
20181+3315 SEI1072 2015 12 328 17.7 10.11 11.53 A5 201808.66+331505.4

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

 
 
WDS 20181+3315 SEI 1072 (HD 228805) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20181+3315 SEI 1072 (HD 228805) : MEASURES
 
 
No records found.

 
 
WDS 20181+3315 (HD 228805) : VIRTUAL EYEPIECE
 
 

20181+3315 SEI1072A mag 10.11 Sp A5 20181+3315 SEI1072B sep 16.9 P.A. 332.70 mag 11.53 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 20181+3315 (HD 228805) : ALADIN DSS IMAGE @ 20h 18m 08.66s +33° 15' 05.4"
 
 
 
 
WDS 20181+3315 SEI 1072 (HD 228805) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20181+3315  SEI1072 distance=0' 20180+3311  BAR  11AB distance=5' 20180+3311  HO  592AB,C distance=5' 20187+3315  STT 405 distance=8' 20189+3325  COU1948 distance=14' 20177+3331  HJ 1500AB distance=18' 20177+3331  HJ 1500AC distance=18' 20177+3331  HJ 1500AD distance=18' 20169+3307  OSO 122AB distance=18' 20169+3307  OSO 122AC distance=18' 20169+3307  OSO 122AD distance=18' 20196+3259  SEI1083 distance=25' 20153+3316  COU1808 distance=36' 20212+3304  DAM 314AB distance=40' 20212+3304  MLB 772BC distance=40' 20192+3235  KLT  21AB distance=43' 20192+3235  KLT  21AC distance=43' 20192+3235  KLT  21BC distance=43' 20165+3238  GII  15 distance=43' 20169+3235  A   284 distance=44' 20154+3344  A   283 distance=45' 20209+3346  NSN   2 distance=46' 20189+3230  SEI1076 distance=46' 20201+3357  RAO 519 distance=48' 20150+3244  CVR 221 distance=51' 20190+3225  TDT2161 distance=52' 20165+3406  J   785AB distance=54' 20165+3406  J   785AC distance=54' 20223+3326  OSO 124AB distance=54' 20223+3326  OSO 124AC distance=54' 20223+3326  OSO 124AD distance=54' 20223+3326  OSO 124AE distance=54' 20223+3326  OSO 124AF distance=54' 20160+3403  SMA 115 distance=55' 20169+3218  SEI1060 distance=61' 20158+3409  TDT2127 distance=62' 20132+3309  SKF1649 distance=63' 20134+3253  SHN 242 distance=64' 20218+3230  TDT2206 distance=65' 20173+3420  SEI1064 distance=66' 20153+3412  DAM 205 distance=68' 20231+3342  COU1949 distance=68' 20158+3417  DAM 206 distance=69' 20233+3338  J  1231 distance=70' 20127+3330  FAL  67 distance=71' 20168+3206  COU1476AB distance=72' 20168+3206  COU1476AC distance=72' 20175+3205  SEI1065 distance=72' 20155+3415  GCB  51 distance=72' 20181+3202  SEI1068 distance=74' 20240+3312  TDS1069 distance=75' 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 20181+3315 SEI1072 328 17.7
Show 20180+3311 BAR 11 AB 199 0.5 5
Show 20180+3311 HO 592 AB,C 255 3.1 5
Show 20187+3315 STT 405 150 0.8 8
Show 20189+3325 COU1948 340 0.1 14
Show 20177+3331 HJ 1500 AB 53 17.7 18
Show 20177+3331 HJ 1500 AC 336 32.2 18
Show 20177+3331 HJ 1500 AD 318 40.9 18
Show 20169+3307 OSO 122 AB 11 16.2 18
Show 20169+3307 OSO 122 AC 271 20.9 18
Show 20169+3307 OSO 122 AD 117 22.5 18
Show 20196+3259 SEI1083 198 23.4 25
Show 20153+3316 COU1808 209 1.1 36
Show 20212+3304 DAM 314 AB 124 34.5 40
Show 20212+3304 MLB 772 BC 133 8.4 40
Show 20192+3235 KLT 21 AB 185 1.3 43
Show 20192+3235 KLT 21 AC 187 1.2 43
Show 20192+3235 KLT 21 BC 324 0.1 43
Show 20165+3238 GII 15 232 9.7 43
Show 20169+3235 A 284 253 0.4 44
Show 20154+3344 A 283 287 3.5 45
Show 20209+3346 NSN 2 190 5.2 46
Show 20189+3230 SEI1076 196 13.1 46
Show 20201+3357 RAO 519 -1 0.2 48
Show 20150+3244 CVR 221 56 35.9 51
Show 20190+3225 TDT2161 37 1.1 52
Show 20165+3406 J 785 AB 25 2.7 54
Show 20165+3406 J 785 AC 12 10.2 54
Show 20223+3326 OSO 124 AB -1 -1.0 54
Show 20223+3326 OSO 124 AC 308 11.4 54
Show 20223+3326 OSO 124 AD 129 14.6 54
Show 20223+3326 OSO 124 AE 41 20.3 54
Show 20223+3326 OSO 124 AF 228 23.1 54
Show 20160+3403 SMA 115 188 19.0 55
Show 20169+3218 SEI1060 8 23.8 61
Show 20158+3409 TDT2127 344 0.8 62
Show 20132+3309 SKF1649 252 20.3 63
Show 20134+3253 SHN 242 -1 0.2 64
Show 20218+3230 TDT2206 213 0.9 65
Show 20173+3420 SEI1064 254 23.9 66
Show 20153+3412 DAM 205 359 8.6 68
Show 20231+3342 COU1949 84 0.2 68
Show 20158+3417 DAM 206 174 5.0 69
Show 20233+3338 J 1231 82 6.4 70
Show 20127+3330 FAL 67 165 21.3 71
Show 20168+3206 COU1476 AB 9 0.1 72
Show 20168+3206 COU1476 AC 157 3.0 72
Show 20175+3205 SEI1065 2 4.1 72
Show 20155+3415 GCB 51 215 2.9 72
Show 20181+3202 SEI1068 12 17.4 74
Show 20240+3312 TDS1069 296 0.8 75

 
 
WDS 20181+3315 : COMPONENTS
 
 
  A
B pa=332.7°
sep=16.92"
 
 
20181+3315 A
 
 
Componente originario normalizzato AB Name HD 228805 Coord arcsec 2000 201808.66+331505.4 Mag 10.11
Spectral class A5 (white) PmRA 6.00 PmDE 8.0 Tycho2 2676-00565-1
HD 228805
Tycho2
Tycho2 2676-00565-1 Pflag RAmdeg 304.53608293 DEmdeg 33.25150973
PmRA 6.8 PmDE 8.6 E RAmdeg 18 E DEmdeg 16
E pmRA 1.1 E pmDE 1.1 EpRAm 1985.92 EpDEm 1987.40
Num 11 Q RAmdeg 0.9 Q DEmdeg 1.4 Q pmRA 0.8
Q pmDE 1.4 BTmag 10.509 E BTmag 0.032 VTmag 10.112
E VTmag 0.030 Prox 177 TYC T HIP
CCDM RAdeg 304.53606083 DEdeg 33.25148944 EpRA 1990 1.55
EpDE 1990 1.75 E RAdeg 21.0 E DEdeg 17.6 Posflg
Corr 0.1
CCDM
Ccdm 20181+3315 RComp Comp A Note1
Note2 Discov num DRAs 2.68 DDEs 4.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.7 Sp A5 PmNote *
PmRA 20 PmDE -1 Dm number +32 3775 Cat1 BD
Name2 +33 1933 Cat2 AGK2/3 HD 228805 M HD
ADS BDS M ADS BDS N IDS IDS 20142N3256A
HIC
 
 
20181+3315 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201808.04+331520.4 Mag 11.53 PmRA 8.00
PmDE 8.0 Tycho2 2676-00600-1 Calc delta mag 1.42 Calc coord yes
Tycho2
Tycho2 2676-00600-1 Pflag RAmdeg 304.53303815 DEmdeg 33.25569105
PmRA 11.8 PmDE 7.0 E RAmdeg 58 E DEmdeg 51
E pmRA 1.6 E pmDE 1.5 EpRAm 1970.90 EpDEm 1975.03
Num 8 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.0 BTmag 12.215 E BTmag 0.136 VTmag 11.535
E VTmag 0.099 Prox 177 TYC HIP
CCDM RAdeg 304.53300194 DEdeg 33.25567889 EpRA 1990 1.57
EpDE 1990 1.76 E RAdeg 67.7 E DEdeg 57.9 Posflg
Corr 0.1
CCDM
Ccdm 20181+3315 RComp Comp B Note1
Note2 Discov num SEI1072 DRAs DDEs
R dRAs Year 1893 Theta 328 Rho 18.2
Obs 1 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20142N3256B
HIC