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Current system
19080-4316
I 642
HD 177770


Nearby doubles
26' : 19091-4254
TDT1252

29' : 19106-4316
DON 950AB

34' : 19054-4300
UC 3794

37' : 19106-4339
BRT1090

47' : 19054-4239
CPO 608AB

50' : 19035-4310
UC 3780AB

50' : 19081-4227
BRT1089

52' : 19088-4226
LWR 15AB

53' : 19072-4225
KPP1989

57' : 19032-4255
TDT1201

58' : 19087-4219
KPP1418

58' : 19130-4336
I 1394

62' : 19136-4314
HJ 5093AB

64' : 19034-4238
SEE 365

65' : 19029-4245
LDS 663

65' : 19139-4317
I 1034AB

69' : 19041-4410
DON 942

69' : 19088-4208
KPP1858

74' : 19036-4412
UC 3781

76' : 19012-4327
TDT1183

77' : 19057-4204
CPO9002

80' : 19012-4250
UC 3761

81' : 19134-4412
SKF1154

84' : 19108-4159
CPO 609

85' : 19027-4216
POL 7

85' : 19024-4219
UC 3770



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

19080-4316 I 642 (HD 177770)

 
 
19h 08m 00.00s -43° 16' 26.9" P.A. 26.00 sep 2.7 mag 10.50,10.64 Sp G3/5V: dist. 152.21 pc (496.51 l.y.)
 
 
Coord 2000 19080-4316 Discov num I   642 Comp Coord arcsec 2000 19 08 00.00 -43 16 26.9
Date first 1909 Date last 2016 Obs 15
Pa first 30 Pa last 26.2 P.A. Now (θ) 26.2°
Sep first 1.2 Sep last 2.704 Sep. Now (ρ) 2.704"
Mag pri 10.50 Mag sec 10.64 delta mag (ΔM) 0.14 Spectral class G3/5V: (yellow)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -047 Sec motion dec -047
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 177770 Constellation Corona Austrina HIP 93970 Tycho2 7929-00581-1
Gaia DR2 6712253470910464512 HD 177770 CD CD-4313128 CP CP-43 8914
Distance 152.21 Distance ly 496.51
 
 
WDS 19080-4316 I 642 (HD 177770) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19080-4316 I 642 1992 11 25 2.7 10.50 10.64 G3/5V: 190800.00-431626.9
19080-4316 I 642 1998 12 26 2.7 10.50 10.64 G3/5V: 190800.00-431626.9
19080-4316 I 642 2015 13 26 2.7 10.50 10.64 G3/5V: 190800.00-431626.9
19080-4316 I 642 2016 15 26 2.7 10.50 10.64 G3/5V: 190800.00-431626.9

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

 
 
WDS 19080-4316 I 642 (HD 177770) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19080-4316 I 642 (HD 177770) : MEASURES
 
 
No records found.

 
 
WDS 19080-4316 (HD 177770) : VIRTUAL EYEPIECE
 
 

19080-4316 I 642A mag 10.5 Sp G3/5V: 19080-4316 I 642B sep 2.6 P.A. 19.70 mag 10.64 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 19080-4316 (HD 177770) : ALADIN DSS IMAGE @ 19h 08m 00.00s -43° 16' 26.9"
 
 
 
 
WDS 19080-4316 I 642 (HD 177770) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19080-4316 I 642 distance=0' 19091-4254 TDT1252 distance=26' 19106-4316 DON 950AB distance=29' 19106-4316 DAM 674AB,C distance=29' 19106-4316 DAM 674AB,D distance=29' 19106-4316 DAM 674AB,E distance=29' 19054-4300 UC 3794 distance=34' 19106-4339 BRT1090 distance=37' 19054-4239 CPO 608AB distance=47' 19035-4310 KPP4394BC distance=50' 19035-4310 UC 3780AB distance=50' 19081-4227 BRT1089 distance=50' 19088-4226 LWR 15AB distance=52' 19088-4226 LWR 15AC distance=52' 19088-4226 LWR 15AD distance=52' 19072-4225 KPP1989 distance=53' 19032-4255 TDT1201 distance=57' 19087-4219 KPP1418 distance=58' 19130-4336 I 1394 distance=58' 19136-4314 HJ 5093BC distance=62' 19136-4314 HJ 5093AB distance=62' 19034-4238 SEE 365 distance=64' 19029-4245 LDS 663 distance=65' 19139-4317 I 1034AB distance=65' 19139-4317 SKF1155AB,C distance=65' 19041-4410 DON 942 distance=69' 19088-4208 KPP1858 distance=69' 19036-4412 UC 3781 distance=74' 19012-4327 TDT1183 distance=76' 19057-4204 CPO9002 distance=77' 19012-4250 UC 3761 distance=80' 19134-4412 SKF1154 distance=81' 19108-4159 CPO 609 distance=84' 19027-4216 POL 7 distance=85' 19024-4219 UC 3770 distance=85' 19016-4407 COO 229 distance=86' 19119-4434 UC 3841 distance=89' 18599-4316 TDT1175 distance=89' 19164-4323 B 1381 distance=93' 19115-4151 DON 951 distance=94' 19059-4141 BRT1088 distance=99' 19043-4145 UC 3785 distance=101' 19106-4134 DEA 3AB distance=107' 19106-4134 DEA 3AC distance=107' 19021-4151 DON 939 distance=108' 19106-4134 DEA 3BC distance=108' 19106-4130 KPP2449 distance=110' 19176-4242 DON 956 distance=111' 19056-4505 BRT1087 distance=112' 19111-4506 UC 3835 distance=115' 19072-4512 KPP3111 distance=116' 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 19080-4316 I 642 26 2.7 0
Show 19091-4254 TDT1252 82 0.5 26
Show 19106-4316 DON 950 AB 166 3.2 29
Show 19106-4316 DAM 674 AB,C 330 10.0 29
Show 19106-4316 DAM 674 AB,D 104 11.9 29
Show 19106-4316 DAM 674 AB,E 97 17.6 29
Show 19054-4300 UC 3794 146 38.9 34
Show 19106-4339 BRT1090 47 5.7 37
Show 19054-4239 CPO 608 AB 250 5.3 47
Show 19035-4310 KPP4394 BC 338 4.0 50
Show 19035-4310 UC 3780 AB 71 16.6 50
Show 19081-4227 BRT1089 120 5.2 50
Show 19088-4226 LWR 15 AB 301 5.2 52
Show 19088-4226 LWR 15 AC 301 8.1 52
Show 19088-4226 LWR 15 AD 244 12.5 52
Show 19072-4225 KPP1989 256 15.7 53
Show 19032-4255 TDT1201 91 0.5 57
Show 19087-4219 KPP1418 131 10.7 58
Show 19130-4336 I 1394 190 0.4 58
Show 19136-4314 HJ 5093 BC 269 8.7 62
Show 19136-4314 HJ 5093 AB 207 40.3 62
Show 19034-4238 SEE 365 256 4.3 64
Show 19029-4245 LDS 663 76 5.7 65
Show 19139-4317 I 1034 AB 324 1.9 65
Show 19139-4317 SKF1155 AB,C 92 31.3 65
Show 19041-4410 DON 942 83 0.9 69
Show 19088-4208 KPP1858 191 14.4 69
Show 19036-4412 UC 3781 233 35.1 74
Show 19012-4327 TDT1183 233 0.6 76
Show 19057-4204 CPO9002 300 6.7 77
Show 19012-4250 UC 3761 94 46.6 80
Show 19134-4412 SKF1154 336 32.5 81
Show 19108-4159 CPO 609 175 4.3 84
Show 19027-4216 POL 7 187 2.5 85
Show 19024-4219 UC 3770 141 16.6 85
Show 19016-4407 COO 229 339 3.2 86
Show 19119-4434 UC 3841 317 52.1 89
Show 18599-4316 TDT1175 72 0.6 89
Show 19164-4323 B 1381 56 0.9 93
Show 19115-4151 DON 951 281 1.7 94
Show 19059-4141 BRT1088 284 4.6 99
Show 19043-4145 UC 3785 91 26.9 101
Show 19106-4134 DEA 3 AB 348 55.1 107
Show 19106-4134 DEA 3 AC 88 127.8 107
Show 19021-4151 DON 939 89 1.3 108
Show 19106-4134 DEA 3 BC 110 147.9 108
Show 19106-4130 KPP2449 326 21.6 110
Show 19176-4242 DON 956 323 1.9 111
Show 19056-4505 BRT1087 306 4.4 112
Show 19111-4506 UC 3835 256 89.2 115
Show 19072-4512 KPP3111 294 5.9 116

 
 
WDS 19080-4316 : COMPONENTS
 
 
  A
B pa=19.7°
sep=2.58"
 
 
19080-4316 A
 
 
Name HD 177770 Coord arcsec 2000 190800.00-431626.9 Mag 10.5 Spectral class G3/5V: (yellow)
PmRA 1.00 PmDE -47.0 HIP 93970 Tycho2 7929-00581-1
HD 177770 CD CD-4313128 CP CP-43 8914
Tycho2
Tycho2 7929-00581-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.279 E BTmag 0.052 VTmag 10.497
E VTmag 0.038 Prox 27 TYC T HIP 93970
CCDM A RAdeg 286.99999194 DEdeg -43.27414278 EpRA 1990 1.90
EpDE 1990 1.88 E RAdeg 23.4 E DEdeg 31.6 Posflg D
Corr -0.3
Hipparcos
Catalog H HIP 93970 Proxy H RAhms 19 08 00.00
DEdms -43 16 26.9 Vmag 9.65 VarFlag R Vmag G
RAdeg 287 DEdeg -43.2741 AstroRef A Plx 5.94
CCDM 19080-4316 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 25 Rho 2.744 HD 177770 BD
CD CD-4313128 CP CP-43 8914 Dm number -4313128 VIred 0.76
SpType G3/G5V: R SpType Coord arcsec 2000 190800.00-431626.9
Hipparcos 2
HIP 93970 Sn 15 So 3 Nc 2
RArad 5.0090946468 DErad -0.7552762358 Plx 6.57 PmRA 1.65
PmDE -46.46 E RArad 1.84 E DErad 1.17 E Plx 2.02
E pmRA 2.35 E pmDE 1.69 Hpmag 9.7965 E Hpmag 0.0033
SHp 0.026 VA 0 BV 0.709 E BV 0.005
VI 0.76
CCDM
Ccdm 19080-4316 RComp Comp A Note1
Note2 Discov num DRAs 0.08 DDEs -26.6
R dRAs 31 Year Theta Rho
Obs 2 Vmag 10.3 Sp G0 PmNote *
PmRA -9 PmDE -51 Dm number -4313128 Cat1 CD
Name2 Cat2 HD 177770 M HD
ADS BDS M ADS BDS N IDS IDS 19009S4326A
HIC 93970
 
 
19080-4316 B
 
 
Coord arcsec 2000 190800.08-431624.5 Mag 10.64 PmRA 1.00 PmDE -47.0
Tycho2 7929-00581-2 Calc delta mag 0.14 Calc coord yes
Tycho2
Tycho2 7929-00581-2 Pflag RAmdeg 287.00040696 DEmdeg -43.27352898
PmRA 1.2 PmDE -33.8 E RAmdeg 25 E DEmdeg 34
E pmRA 2.1 E pmDE 2.0 EpRAm 1990.28 EpDEm 1988.26
Num 3 Q RAmdeg 1.1 Q DEmdeg 3.5 Q pmRA 1.1
Q pmDE 3.3 BTmag 11.340 E BTmag 0.053 VTmag 10.642
E VTmag 0.043 Prox 27 TYC HIP 93970
CCDM B RAdeg 287.00040333 DEdeg -43.27345250 EpRA 1990 1.90
EpDE 1990 1.88 E RAdeg 25.3 E DEdeg 34.7 Posflg D
Corr -0.3
CCDM
Ccdm 19080-4316 RComp Comp B Note1
Note2 Discov num I 642 DRAs DDEs
R dRAs Year 1912 Theta 023 Rho 2.6
Obs 4 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19009S4326B
HIC 93970