stampa
Login

Less is more. Filter out doubles you can't observe!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20489-6353
HU 1620
HD 197715


Nearby doubles
31' : 20535-6348
LDS 726

33' : 20496-6427
DAW 229AB

35' : 20472-6320
UC 4287

36' : 20444-6411
B 994

44' : 20447-6319
LDS 719

45' : 20423-6348
TDT2483

47' : 20527-6432
HDS2974

49' : 20422-6332
RST1075

57' : 20407-6411
HU 1616

59' : 20416-6427
UC 4259

60' : 20579-6359
TSN 36AB

61' : 20490-6453
UC 4298

70' : 20398-6430
HJ 5217

74' : 20397-6436
FAB 16

87' : 20360-6412
B 991

88' : 20357-6348
TDT2403

88' : 20412-6242
R 323AB

89' : 20516-6226
RMK 26AB

95' : 20348-6414
UC 4220

100' : 20370-6455
TSN 35

101' : 20347-6319
HU 1615

103' : 20587-6234
B 1003

111' : 20513-6542
UC 4309

111' : 21032-6452
TDT2715

112' : 20515-6543
HJ 5221

114' : 20478-6546
TDT2544



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.

20489-6353 HU 1620 (HD 197715)

 
 
20h 48m 53.19s -63° 52' 44.8" P.A. 271.00 sep 1.3 mag 9.19,10.26 Sp F6V
 
 
Coord 2000 20489-6353 Discov num HU 1620 Comp Coord arcsec 2000 20 48 53.19 -63 52 44.8
Date first 1914 Date last 2016 Obs 8
Pa first 278 Pa last 270.8 P.A. Now (θ) 270.8°
Sep first 1.5 Sep last 1.31 Sep. Now (ρ) 1.31"
Mag pri 9.19 Mag sec 10.26 delta mag (ΔM) 1.07 Spectral class F6V (yellow-white)
Pri motion ra +032 Sec motion ra +032
Pri motion dec -079 Sec motion dec -079
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197715 Constellation Pavo SAO 254872 Tycho2 9108-00204-1
Gaia DR2 6450404781053341568 HD 197715
 
 
WDS 20489-6353 HU 1620 (HD 197715) : 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
20489-6353 HU 1620 1991 7 274 1.3 9.19 10.26 F6V 204853.19-635244.8
20489-6353 HU 1620 2016 8 271 1.3 9.19 10.26 F6V 204853.19-635244.8

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

 
 
WDS 20489-6353 HU 1620 (HD 197715) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20489-6353 HU 1620 (HD 197715) : MEASURES
 
 
No records found.

 
 
WDS 20489-6353 (HD 197715) : VIRTUAL EYEPIECE
 
 

20489-6353 HU 1620A mag 9.19 Sp F6V 20489-6353 HU 1620B sep 0.6 P.A. 271.80 mag 10.26 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 20489-6353 (HD 197715) : ALADIN DSS IMAGE @ 20h 48m 53.19s -63° 52' 44.8"
 
 
 
 
WDS 20489-6353 HU 1620 (HD 197715) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20489-6353 HU 1620 distance=0' 20535-6348 LDS 726 distance=31' 20496-6427 DAW 229AB distance=33' 20496-6427 BAU 64AC distance=33' 20496-6427 BAU 64AD distance=33' 20472-6320 UC 4287 distance=35' 20444-6411 B 994 distance=36' 20447-6319 LDS 719 distance=44' 20423-6348 TDT2483 distance=45' 20527-6432 HDS2974 distance=47' 20422-6332 RST1075 distance=49' 20407-6411 HU 1616 distance=57' 20416-6427 UC 4259 distance=59' 20579-6359 TSN 36AB distance=60' 20490-6453 UC 4298 distance=61' 20398-6430 HJ 5217 distance=70' 20397-6436 FAB 16 distance=74' 20360-6412 B 991 distance=87' 20357-6348 TDT2403 distance=88' 20412-6242 R 323AB distance=88' 20412-6242 BAU 63AC distance=88' 20516-6226 RMK 26AB distance=89' 20348-6414 UC 4220 distance=95' 20370-6455 TSN 35 distance=100' 20347-6319 HU 1615 distance=101' 20587-6234 B 1003 distance=103' 20513-6542 UC 4309 distance=111' 21032-6452 TDT2715 distance=111' 20515-6543 HJ 5221 distance=112' 20478-6546 TDT2544 distance=114' 21061-6411 TDT2746 distance=115' 20319-6420 TDT2342 distance=115' 20360-6237 KPP3073 distance=116' 20492-6550 TDT2562 distance=118' 20371-6523 UC 4233 distance=119' 20540-6158 HDS2978 distance=120' 20354-6519 HDS2942 distance=123' 20552-6550 LDS 728 distance=125' 20363-6219 TDT2412 distance=127' 20404-6551 KPP4210 distance=131' 20553-6557 DAM1257 distance=131' 20300-6305 KPP4202 distance=136' 20330-6230 FAL 68 distance=136' 20327-6225 TDT2354 distance=141' 20594-6558 MLO 91 distance=143' 20557-6609 HDS2981AB distance=143' 20557-6609 HDS2981AC distance=143' 20517-6125 HU 1622 distance=150' 20403-6132 TDT2462 distance=153' 20355-6151 KPP1026 distance=153' 20293-6225 BAU9004 distance=159' 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 20489-6353 HU 1620 271 1.3
Show 20535-6348 LDS 726 195 7.5 31
Show 20496-6427 DAW 229 AB 136 7.7 33
Show 20496-6427 BAU 64 AC 305 49.8 33
Show 20496-6427 BAU 64 AD 161 51.0 33
Show 20472-6320 UC 4287 21 24.0 35
Show 20444-6411 B 994 193 0.8 36
Show 20447-6319 LDS 719 171 187.2 44
Show 20423-6348 TDT2483 87 0.6 45
Show 20527-6432 HDS2974 31 1.0 47
Show 20422-6332 RST1075 286 1.4 49
Show 20407-6411 HU 1616 68 0.7 57
Show 20416-6427 UC 4259 191 13.9 59
Show 20579-6359 TSN 36 AB 122 260.3 60
Show 20490-6453 UC 4298 57 10.8 61
Show 20398-6430 HJ 5217 232 7.7 70
Show 20397-6436 FAB 16 358 20.0 74
Show 20360-6412 B 991 167 3.1 87
Show 20357-6348 TDT2403 237 1.0 88
Show 20412-6242 R 323 AB 319 2.9 88
Show 20412-6242 BAU 63 AC 266 9.1 88
Show 20516-6226 RMK 26 AB 78 2.4 89
Show 20348-6414 UC 4220 9 41.6 95
Show 20370-6455 TSN 35 73 35.3 100
Show 20347-6319 HU 1615 287 0.2 101
Show 20587-6234 B 1003 138 0.5 103
Show 20513-6542 UC 4309 344 30.7 111
Show 21032-6452 TDT2715 294 1.8 111
Show 20515-6543 HJ 5221 44 10.3 112
Show 20478-6546 TDT2544 158 0.5 114
Show 21061-6411 TDT2746 330 0.4 115
Show 20319-6420 TDT2342 182 2.5 115
Show 20360-6237 KPP3073 58 13.7 116
Show 20492-6550 TDT2562 279 0.5 118
Show 20371-6523 UC 4233 2 9.3 119
Show 20540-6158 HDS2978 352 0.6 120
Show 20354-6519 HDS2942 86 0.7 123
Show 20552-6550 LDS 728 253 277.9 125
Show 20363-6219 TDT2412 18 0.6 127
Show 20404-6551 KPP4210 53 1.5 131
Show 20553-6557 DAM1257 104 87.1 131
Show 20300-6305 KPP4202 65 2.1 136
Show 20330-6230 FAL 68 312 9.0 136
Show 20327-6225 TDT2354 303 1.4 141
Show 20594-6558 MLO 91 242 17.0 143
Show 20557-6609 HDS2981 AB 243 0.1 143
Show 20557-6609 HDS2981 AC 172 1.3 143
Show 20517-6125 HU 1622 312 1.5 150
Show 20403-6132 TDT2462 83 2.2 153
Show 20355-6151 KPP1026 238 8.2 153
Show 20293-6225 BAU9004 85 25.4 159

 
 
WDS 20489-6353 : COMPONENTS
 
 
  A
B pa=271.8°
sep=0.58"
 
 
20489-6353 A
 
 
Componente originario normalizzato AB Name HD 197715 Coord arcsec 2000 204853.19-635244.8 Mag 9.19
Spectral class F6V (yellow-white) PmRA 32.00 PmDE -79.0 SAO 254872
Tycho2 9108-00204-1 HD 197715 DM CP-64 4074
Tycho2
Tycho2 9108-00204-1 Pflag P RAmdeg 312.22164026 DEmdeg -63.87909790
PmRA 31.8 PmDE -79.3 E RAmdeg 11 E DEmdeg 10
E pmRA 2.3 E pmDE 2.2 EpRAm 1990.96 EpDEm 1991.24
Num 6 Q RAmdeg 1.1 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.1 BTmag 9.772 E BTmag 0.022 VTmag 9.194
E VTmag 0.016 Prox 13 TYC T HIP
CCDM RAdeg 312.22162222 DEdeg -63.87891694 EpRA 1990 1.40
EpDE 1990 1.60 E RAdeg 10.9 E DEdeg 9.5 Posflg D
Corr 0.1
SAO
SAO 254872 DelFlag RA1950 PmRA1950 0.005
DE1950 PmDE1950 -0.013 Vmag 8.9 SpType G5
Double code Source 61 CatNum 4454 DM CP-64 4074
DMcomp BDsup HD 197715 M HD 0
GC RA1950rad 5.4306694 DE1950rad -1.11809365 PmRA2000 0.0038
PmDE2000 -0.015
CCDM
Ccdm 20489-6353 RComp Comp A Note1
Note2 Discov num DRAs -0.78 DDEs 22.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp F8 PmNote *
PmRA 33 PmDE -13 Dm number -64 4074 Cat1 CPD
Name2 254872 Cat2 SAO HD 197715 M HD
ADS BDS M ADS BDS N IDS IDS 20403S6415A
HIC
 
 
20489-6353 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204853.10-635244.8 Mag 10.26 PmRA 32.00
PmDE -79.0 Tycho2 9108-00204-2 Calc delta mag 1.07 Calc coord yes
Tycho2
Tycho2 9108-00204-2 Pflag P RAmdeg 312.22164026 DEmdeg -63.87909790
PmRA 31.8 PmDE -79.3 E RAmdeg 11 E DEmdeg 10
E pmRA 2.3 E pmDE 2.2 EpRAm 1990.96 EpDEm 1991.24
Num 6 Q RAmdeg 1.1 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.1 BTmag 10.839 E BTmag 0.041 VTmag 10.258
E VTmag 0.035 Prox 13 TYC HIP
CCDM RAdeg 312.22079583 DEdeg -63.87889500 EpRA 1990 1.41
EpDE 1990 1.60 E RAdeg 26.0 E DEdeg 22.3 Posflg D
Corr 0.0
CCDM
Ccdm 20489-6353 RComp Comp B Note1
Note2 Discov num HU 1620 DRAs DDEs
R dRAs Year 1914 Theta 276 Rho 1.4
Obs 4 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20403S6415B
HIC