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Doubles in session


Current system
21489+0523
HU 281
HD 207447


Nearby doubles
11' : 21483+0518
BRT2294

13' : 21480+0521
BRT2293

22' : 21492+0543
GIC 172

24' : 21504+0514
BRT2192

38' : 21514+0525
BAL2983

41' : 21502+0558
CBL 600

42' : 21512+0546
HJ 3061

42' : 21462+0536
HJ 3057

51' : 21522+0538
JOD 23AB

55' : 21521+0549
J 916

56' : 21476+0431
CVR 920

61' : 21465+0611
GRV 502

62' : 21530+0518
HU 379

69' : 21534+0512
HJ 3064

72' : 21442+0518
GWP3090

73' : 21462+0423
CVR 918

74' : 21441+0506
TDS1144

78' : 21465+0632
STT 450

80' : 21445+0607
HDS3096

80' : 21524+0623
SKF1871

81' : 21470+0408
STE 14AB

81' : 21465+0635
UC 4556

83' : 21542+0459
OSO 160AB

87' : 21450+0419
BAL2564

97' : 21547+0606
SLW1256

99' : 21439+0419
NSN 6



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.

21489+0523 HU 281 (HD 207447)

 
 
21h 48m 54.37s +05° 22' 49.8" P.A. 146.00 sep 1.5 mag 9.90,10.54 Sp A2
 
 
Coord 2000 21489+0523 Discov num HU  281 Comp Coord arcsec 2000 21 48 54.37 +05 22 49.8
Date first 1900 Date last 2016 Obs 17
Pa first 147 Pa last 146.1 P.A. Now (θ) 146.1°
Sep first 1.6 Sep last 1.46 Sep. Now (ρ) 1.46"
Mag pri 9.90 Mag sec 10.54 delta mag (ΔM) 0.64 Spectral class A2 (white)
Pri motion ra +019 Sec motion ra +019
Pri motion dec -010 Sec motion dec -010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 207447 Constellation Pegasus Tycho2 0552-00257-1 Gaia DR2 2697043546955607168
HD 207447
 
 
WDS 21489+0523 HU 281 (HD 207447) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21489+0523 HU 281 2005 12 147 1.4 9.90 10.54 A2 214854.37+052249.8
21489+0523 HU 281 2008 13 145 1.4 9.90 10.54 A2 214854.37+052249.8
21489+0523 HU 281 2015 14 146 1.4 9.90 10.54 A2 214854.37+052249.8
21489+0523 HU 281 2016 16 146 1.5 9.90 10.54 A2 214854.37+052249.8

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

 
 
WDS 21489+0523 HU 281 (HD 207447) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21489+0523 HU 281 (HD 207447) : MEASURES
 
 
No records found.

 
 
WDS 21489+0523 (HD 207447) : VIRTUAL EYEPIECE
 
 

21489+0523 HU 281A mag 9.9 Sp A2 21489+0523 HU 281B sep 1.5 P.A. 146.20 mag 10.54 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 21489+0523 (HD 207447) : ALADIN DSS IMAGE @ 21h 48m 54.37s +05° 22' 49.8"
 
 
 
 
WDS 21489+0523 HU 281 (HD 207447) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21489+0523 HU 281 distance=0' 21483+0518 BRT2294 distance=11' 21480+0521 BRT2293 distance=13' 21492+0543 GIC 172 distance=22' 21504+0514 BRT2192 distance=24' 21514+0525 BAL2983 distance=38' 21502+0558 CBL 600 distance=41' 21512+0546 HJ 3061 distance=42' 21462+0536 HJ 3057 distance=42' 21522+0538 JOD 23AB distance=51' 21522+0538 JOD 23AC distance=51' 21521+0549 J 916 distance=55' 21476+0431 CVR 920 distance=56' 21465+0611 GRV 502 distance=61' 21530+0518 HU 379 distance=62' 21534+0512 HJ 3064 distance=69' 21442+0518 GWP3090 distance=72' 21462+0423 CVR 918 distance=73' 21441+0506 TDS1144 distance=74' 21465+0632 STT 450 distance=78' 21445+0607 HDS3096 distance=80' 21524+0623 SKF1871 distance=80' 21470+0408 STE 14AB distance=81' 21465+0635 UC 4556 distance=81' 21542+0459 OSO 160AB distance=83' 21542+0459 OSO 160AC distance=83' 21450+0419 BAL2564 distance=87' 21547+0606 SLW1256 distance=97' 21439+0419 NSN 6 distance=99' 21423+0555 HU 280 distance=104' 21485+0331 HEI 289 distance=113' 21513+0332 HEI 291 distance=117' 21495+0324 STF2828AB distance=120' 21495+0324 STF2828AD distance=120' 21495+0324 STF2828AC distance=120' 21547+0400 BAL2565 distance=120' 21495+0324 STF2828BC distance=120' 21469+0722 J 202 distance=123' 21417+0625 HU 278AB distance=124' 21417+0625 HU 278AC distance=124' 21436+0700 HJ 3053 distance=126' 21512+0321 J 1724 distance=127' 21420+0408 J 1790 distance=127' 21551+0355 HEI 823 distance=128' 21404+0514 DBR 329 distance=129' 21441+0709 STTA222 distance=129' 21403+0516 SKF 484 distance=130' 21440+0335 A 2098 distance=131' 21576+0501 HJ 3073 distance=133' 21566+0633 HU 381 distance=134' 21489+0309 GWP3097 distance=135' 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 21489+0523 HU 281 146 1.5
Show 21483+0518 BRT2294 242 2.3 11
Show 21480+0521 BRT2293 310 1.4 13
Show 21492+0543 GIC 172 126 434.7 22
Show 21504+0514 BRT2192 24 3.3 24
Show 21514+0525 BAL2983 16 6.0 38
Show 21502+0558 CBL 600 253 12.0 41
Show 21512+0546 HJ 3061 105 17.0 42
Show 21462+0536 HJ 3057 7 21.2 42
Show 21522+0538 JOD 23 AB 288 0.2 51
Show 21522+0538 JOD 23 AC 35 0.7 51
Show 21521+0549 J 916 184 1.7 55
Show 21476+0431 CVR 920 71 8.8 56
Show 21465+0611 GRV 502 204 30.4 61
Show 21530+0518 HU 379 253 1.4 62
Show 21534+0512 HJ 3064 141 9.1 69
Show 21442+0518 GWP3090 68 12.6 72
Show 21462+0423 CVR 918 268 9.0 73
Show 21441+0506 TDS1144 115 1.1 74
Show 21465+0632 STT 450 255 44.3 78
Show 21445+0607 HDS3096 79 1.3 80
Show 21524+0623 SKF1871 253 7.0 80
Show 21470+0408 STE 14 AB 328 31.4 81
Show 21465+0635 UC 4556 339 4.7 81
Show 21542+0459 OSO 160 AB 316 13.8 83
Show 21542+0459 OSO 160 AC 225 25.6 83
Show 21450+0419 BAL2564 195 5.2 87
Show 21547+0606 SLW1256 203 31.1 97
Show 21439+0419 NSN 6 339 3.8 99
Show 21423+0555 HU 280 0.1 104
Show 21485+0331 HEI 289 312 0.7 113
Show 21513+0332 HEI 291 300 2.3 117
Show 21495+0324 STF2828 AB 140 33.7 120
Show 21495+0324 STF2828 AD 73 10.7 120
Show 21495+0324 STF2828 AC 134 33.1 120
Show 21547+0400 BAL2565 208 3.9 120
Show 21495+0324 STF2828 BC 39 3.5 120
Show 21469+0722 J 202 183 3.3 123
Show 21417+0625 HU 278 AB 202 3.0 124
Show 21417+0625 HU 278 AC 233 18.5 124
Show 21436+0700 HJ 3053 190 24.3 126
Show 21512+0321 J 1724 24 6.1 127
Show 21420+0408 J 1790 95 2.3 127
Show 21551+0355 HEI 823 82 2.5 128
Show 21404+0514 DBR 329 304 5.5 129
Show 21441+0709 STTA222 258 87.4 129
Show 21403+0516 SKF 484 23 14.9 130
Show 21440+0335 A 2098 222 1.1 131
Show 21576+0501 HJ 3073 18 25.6 133
Show 21566+0633 HU 381 235 0.2 134
Show 21489+0309 GWP3097 230 29.2 135

 
 
WDS 21489+0523 : COMPONENTS
 
 
  A
B pa=146.2°
sep=1.46"
 
 
21489+0523 A
 
 
Componente originario normalizzato AB Name HD 207447 Coord arcsec 2000 214854.37+052249.8 Mag 9.9
Spectral class A2 (white) PmRA 19.00 PmDE -10.0 Tycho2 0552-00257-1
HD 207447
Tycho2
Tycho2 0552-00257-1 Pflag P RAmdeg 327.22655046 DEmdeg 5.38050132
PmRA 18.5 PmDE -9.7 E RAmdeg 22 E DEmdeg 24
E pmRA 1.8 E pmDE 1.7 EpRAm 1989.75 EpDEm 1989.14
Num 4 Q RAmdeg 1.1 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 10.114 E BTmag 0.035 VTmag 9.899
E VTmag 0.042 Prox 15 TYC T HIP
CCDM RAdeg 327.22645583 DEdeg 5.38059139 EpRA 1990 1.65
EpDE 1990 1.62 E RAdeg 22.1 E DEdeg 24.2 Posflg D
Corr -0.3
CCDM
Ccdm 21489+0523 RComp Comp A Note1
Note2 Discov num DRAs 0.39 DDEs -10.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp A2 PmNote *
PmRA 37 PmDE -2 Dm number +04 4749 Cat1 BD
Name2 +05 3190 Cat2 AGK2/3 HD 207447 M HD
ADS BDS A15340 M ADS BDS N IDS IDS 21439N0455A
HIC
 
 
21489+0523 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214854.42+052248.6 Mag 10.54 PmRA 19.00
PmDE -10.0 Tycho2 0552-00257-2 Calc delta mag 0.64 Calc coord yes
Tycho2
Tycho2 0552-00257-2 Pflag P RAmdeg 327.22655046 DEmdeg 5.38050132
PmRA 18.5 PmDE -9.7 E RAmdeg 22 E DEmdeg 24
E pmRA 1.8 E pmDE 1.7 EpRAm 1989.75 EpDEm 1989.14
Num 4 Q RAmdeg 1.1 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 11.104 E BTmag 0.074 VTmag 10.536
E VTmag 0.069 Prox 15 TYC HIP
CCDM RAdeg 327.22671222 DEdeg 5.38025639 EpRA 1990 1.64
EpDE 1990 1.61 E RAdeg 44.8 E DEdeg 48.6 Posflg D
Corr -0.3
CCDM
Ccdm 21489+0523 RComp Comp B Note1
Note2 Discov num HU 281 DRAs DDEs
R dRAs Year 1900 Theta 146 Rho 1.6
Obs 7 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15340 M ADS BDS N IDS IDS 21439N0455B
HIC