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Current system
19066-0121
STF 2447 AB
HD 177880


Nearby doubles
9' : 19072-0121
BAL 590

22' : 19053-0131
CAT 4AB

42' : 19039-0109
RST5129

45' : 19038-0136
KPP2775

49' : 19098-0123
BAL 591

62' : 19034-0201
J 2936

63' : 19034-0159
J 2250

66' : 19028-0153
TDT1197

71' : 19113-0122
BAL 592

78' : 19025-0209
HJ 875

82' : 19017-0156
A 2688

90' : 19076-0249
HDS2711AB

91' : 19092+0001
TDT1254

94' : 19096-0243
GWP2818

96' : 19037-0004
BAL 902AB

109' : 19053-0026
BAL 904

110' : 19098-0017
A 863

115' : 19037-0024
J 476

116' : 18590-0139
BAL 588

119' : 19133-0223
HJ 265AB

123' : 19123+0007
GWP2822

123' : 19000-0233
BRT 487

124' : 19027-0027
J 475AB

125' : 19079+0042
HEI 174

126' : 19149-0102
BAL 593

127' : 19089-0322
GWP2816



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

19066-0121 STF 2447 AB (HD 177880)

 
 
19h 06m 35.11s -01° 20' 46.0" P.A. 342.00 sep 14.1 mag 6.83,9.62 Sp B5V dist. 60.64 pc (197.81 l.y.)
 
 
Coord 2000 19066-0121 Discov num STF2447 Comp AB Coord arcsec 2000 19 06 35.11 -01 20 46.0
Date first 1783 Date last 2019 Obs 42
Pa first 340 Pa last 341.8 P.A. Now (θ) 341.8°
Sep first 15.9 Sep last 14.107 Sep. Now (ρ) 14.107"
Mag pri 6.83 Mag sec 9.62 delta mag (ΔM) 2.79 Spectral class B5V (blue-white)
Pri motion ra +007 Sec motion ra +007
Pri motion dec -009 Sec motion dec -009
Notes N (See Notes)
Nature of this double is uncertain.
 
 
19066-0121 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 177880 143029 19 06 35 -01 20 46 STF 2447 AB 2019 42 342 14.1 6.83 9.62 2.79 <===
Show 143029 19 06 35 -01 20 46 STF 2447 AC 2015 4 192 12.9 6.83 14.00 7.17
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 177880 Constellation Aquila SAO 143029 HIP 93835
Tycho2 5128-00961-1 Gaia DR2 4262413819067712512 HD 177880 GC 26300
BD BD-01 3649 Distance 60.64 Distance ly 197.81
 
 
WDS 19066-0121 STF 2447 AB (HD 177880) : NOTES
 
 
discov_num notes refcode
STF2447 Spectrum of B: A0VpSrCrSi.
AB: H 4 127. 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
19066-0121 STF2447 AB 2006 30 341 14.4 6.83 9.62 B5V N D 190635.11-012046.0
19066-0121 STF2447 AB 2012 34 343 14.0 6.83 9.62 B5V N D 190635.11-012046.0
19066-0121 STF2447 AB 2015 36 345 14.1 6.83 9.62 B5V N 190635.11-012046.0
19066-0121 STF2447 AB 2016 37 343 14.0 6.83 9.62 B5V N 190635.11-012046.0
19066-0121 STF2447 AB 2017 38 344 14.0 6.83 9.62 B5V N 190635.11-012046.0
19066-0121 STF2447 AB 2018 40 343 14.0 6.83 9.62 B5V N 190635.11-012046.0
19066-0121 STF2447 AB 2019 41 343 14.1 6.83 9.62 B5V N 190635.11-012046.0

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

 
 
WDS 19066-0121 STF 2447 AB (HD 177880) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19066-0121 STF 2447 AB (HD 177880) : MEASURES
 
 
No records found.

 
 
WDS 19066-0121 (HD 177880) : VIRTUAL EYEPIECE
 
 

19066-0121 STF2447A mag 6.83 Sp B5V 19066-0121 STF2447B sep 14.1 P.A. 341.80 mag 9.62 19066-0121 STF2447C sep 12.9 P.A. 191.90 mag 14 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 19066-0121 (HD 177880) : ALADIN DSS IMAGE @ 19h 06m 35.11s -01° 20' 46.0"
 
 
 
 
WDS 19066-0121 STF 2447 AB (HD 177880) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19066-0121 STF2447AB distance=0' 19072-0121 BAL 590 distance=9' 19053-0131 CAT 4AB distance=22' 19039-0109 RST5129 distance=42' 19038-0136 KPP2775 distance=45' 19098-0123 BAL 591 distance=49' 19034-0201 J 2936 distance=62' 19034-0159 J 2250 distance=63' 19028-0153 TDT1197 distance=66' 19113-0122 BAL 592 distance=71' 19025-0209 HJ 875 distance=78' 19017-0156 A 2688 distance=82' 19076-0249 HDS2711AB distance=90' 19076-0249 LSC 85Aa,Ab distance=90' 19092+0001 TDT1254 distance=91' 19096-0243 GWP2818 distance=94' 19037-0004 WSI 160BC distance=96' 19037-0004 BAL 902AB distance=96' 19037-0004 WSI 160AC distance=96' 19053-0026 BAL 904 distance=109' 19098-0017 A 863 distance=110' 19037-0024 J 476 distance=115' 18590-0139 BAL 588 distance=116' 19133-0223 HJ 265AB distance=119' 19133-0223 HJ 265AC distance=119' 19133-0223 HJ 265AD distance=119' 19123+0007 GWP2822 distance=123' 19000-0233 BRT 487 distance=123' 19027-0027 J 475AB distance=124' 19027-0027 J 475AC distance=124' 19027-0027 J 475AD distance=124' 19079+0042 HEI 174 distance=125' 19149-0102 BAL 593 distance=126' 19089-0322 GWP2816 distance=127' 19128-0252 TDT1297 distance=131' 19153-0130 BAL 594 distance=132' 19134-0246 J 1378AB distance=133' 19134-0246 J 1668BC distance=133' 19027-0043 STF2434BC distance=137' 19027-0043 STF2434A,BC distance=137' 19008-0027 HJ 874AB distance=140' 19008-0027 HJ 874AC distance=140' 18597-0019 J 1754AB distance=141' 18597-0019 J 1754AC distance=141' 19147-0245 J 1669 distance=142' 19063+0100 TDT1226 distance=142' 19148-0236 J 1379 distance=145' 19021-0049 TDT1192 distance=147' 19089+0104 J 2688 distance=149' 18574-0219 RST4611 distance=150' 19029-0342 A 3105 distance=152' 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 19066-0121 STF2447 AB 342 14.1
Show 19066-0121 STF2447 AC 192 12.9
Show 19072-0121 BAL 590 39 20.4 9
Show 19053-0131 CAT 4 AB 31 2.5 22
Show 19039-0109 RST5129 304 1.6 42
Show 19038-0136 KPP2775 95 2.2 45
Show 19098-0123 BAL 591 108 9.2 49
Show 19034-0201 J 2936 65 5.2 62
Show 19034-0159 J 2250 47 7.6 63
Show 19028-0153 TDT1197 96 0.9 66
Show 19113-0122 BAL 592 138 12.0 71
Show 19025-0209 HJ 875 90 14.9 78
Show 19017-0156 A 2688 48 3.5 82
Show 19076-0249 HDS2711 AB 290 0.4 90
Show 19076-0249 LSC 85 Aa,Ab 49 0.0 90
Show 19092+0001 TDT1254 344 2.4 91
Show 19096-0243 GWP2818 244 19.2 94
Show 19037-0004 WSI 160 BC 226 5.1 96
Show 19037-0004 BAL 902 AB 348 10.6 96
Show 19037-0004 WSI 160 AC 319 9.0 96
Show 19053-0026 BAL 904 221 14.4 109
Show 19098-0017 A 863 157 0.3 110
Show 19037-0024 J 476 294 4.8 115
Show 18590-0139 BAL 588 317 9.9 116
Show 19133-0223 HJ 265 AB 296 13.0 119
Show 19133-0223 HJ 265 AC 318 36.4 119
Show 19133-0223 HJ 265 AD 34 40.6 119
Show 19123+0007 GWP2822 149 40.2 123
Show 19000-0233 BRT 487 54 8.0 123
Show 19027-0027 J 475 AB 276 3.1 124
Show 19027-0027 J 475 AC 326 33.8 124
Show 19027-0027 J 475 AD 269 17.1 124
Show 19079+0042 HEI 174 298 3.6 125
Show 19149-0102 BAL 593 239 10.1 126
Show 19089-0322 GWP2816 140 8.6 127
Show 19128-0252 TDT1297 75 0.8 131
Show 19153-0130 BAL 594 118 10.7 132
Show 19134-0246 J 1378 AB 131 5.8 133
Show 19134-0246 J 1668 BC 192 6.2 133
Show 19027-0043 STF2434 BC 257 0.8 137
Show 19027-0043 STF2434 A,BC 88 27.8 137
Show 19008-0027 HJ 874 AB 345 10.5 140
Show 19008-0027 HJ 874 AC 299 25.3 140
Show 18597-0019 J 1754 AB 246 9.1 141
Show 18597-0019 J 1754 AC 356 8.1 141
Show 19147-0245 J 1669 120 3.0 142
Show 19063+0100 TDT1226 114 0.9 142
Show 19148-0236 J 1379 283 7.1 145
Show 19021-0049 TDT1192 314 0.5 147
Show 19089+0104 J 2688 129 4.3 149
Show 18574-0219 RST4611 127 1.7 150

 
 
WDS 19066-0121 : COMPONENTS
 
 
  A B
B pa=341.8°
sep=14.11"
 
C pa=191.9°
sep=12.92"
pa=176.2°
sep=26.10"
 
 
19066-0121 A
 
 
Name HD 177880 Coord arcsec 2000 190635.11-012046.0 Mag 6.83 Spectral class B5V (blue-white)
PmRA 7.00 PmDE -9.0 SAO 143029 HIP 93836
Tycho2 5128-00961-1 HD 177880 GC 26300 BD BD-01 3649
Tycho2
Tycho2 5128-00961-1 Pflag RAmdeg 286.64631676 DEmdeg -1.34613818
PmRA 1.0 PmDE -12.6 E RAmdeg 4 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.10 EpDEm 1991.13
Num 23 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.3 BTmag 6.890 E BTmag 0.015 VTmag 6.828
E VTmag 0.010 Prox 128 TYC T HIP 93836
CCDM A RAdeg 286.64631472 DEdeg -1.34610944 EpRA 1990 1.85
EpDE 1990 1.78 E RAdeg 3.8 E DEdeg 4.3 Posflg
Corr -0.3
SAO
SAO 143029 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.01 Vmag 6.7 SpType B8
Double code Source 74 CatNum 1497 DM BD-01 3649
DMcomp BDsup HD 177880 M HD 0
GC 26300 RA1950rad 4.99162593 DE1950rad -0.02485751 PmRA2000 0.0008
PmDE2000 -0.011
Hipparcos
Catalog H HIP 93836 Proxy RAhms 19 06 35.11
DEdms -01 20 46.0 Vmag 6.84 VarFlag R Vmag G
RAdeg 286.646 DEdeg -1.34611 AstroRef A Plx 2.02
CCDM 19066-0121 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual D M HIP
Theta Rho HD 177880 BD BD-01 3649
CD CP Dm number -01 3649 VIred 0.21
SpType B5V R SpType Coord arcsec 2000 190635.11-012046.0
Hipparcos 2
HIP 93836 Sn 95 So 3 Nc 1
RArad 5.0029219436 DErad -0.0234940368 Plx 7.4 PmRA 2.94
PmDE -8.18 E RArad 1.41 E DErad 1.08 E Plx 1.55
E pmRA 1.67 E pmDE 1.41 Hpmag 6.8522 E Hpmag 0.0049
SHp 0.016 VA 0 BV 0.193 E BV 0.01
VI 0.21
CCDM
Ccdm 19066-0121 RComp Comp A Note1
Note2 Discov num DRAs -0.85 DDEs 14.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.8 Sp B8 PmNote *
PmRA 8 PmDE -10 Dm number -01 3649 Cat1 BD
Name2 -01 2312 Cat2 AGK2/3 HD 177880 M HD
ADS BDS A12038 M ADS BDS N IDS IDS 19014S0130A
HIC 93836
 
 
19066-0121 B
 
 
Coord arcsec 2000 190634.82-012032.6 Mag 9.62 PmRA 7.00 PmDE -9.0
HIP 93835 Calc delta mag 2.79 Calc coord yes
Hipparcos
Catalog H HIP 93835 Proxy RAhms 19 06 34.89
DEdms -01 20 33.6 Vmag 9.7 VarFlag R Vmag G
RAdeg 286.645 DEdeg -1.34267 AstroRef B Plx 2.02
CCDM 19066-0121 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source F Qual D M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.25
SpType A0V R SpType Coord arcsec 2000 190634.89-012033.6
Hipparcos 2
HIP 93835 Sn 95 So 3 Nc 1
RArad 5.0029056428 DErad -0.0234340832 Plx 16.49 PmRA 8.3
PmDE -1.95 E RArad 2.15 E DErad 1.76 E Plx 2.71
E pmRA 2.73 E pmDE 2.3 Hpmag 9.8521 E Hpmag 0.0706
SHp 0 VA 0 BV 0.225 E BV 0.015
VI 0.25
CCDM
Ccdm 19066-0121 RComp Comp B Note1
Note2 Discov num STF2447 DRAs -1.10 DDEs 26.5
R dRAs 10 Year 1829 Theta 344 Rho 13.9
Obs 12 Vmag 9.2 Sp PmNote *
PmRA 10 PmDE -25 Dm number Cat1
Name2 -01 2311 Cat2 AGK2/3 HD M HD
ADS BDS A12038 M ADS BDS N IDS IDS 19014S0130B
HIC 93835
 
 
19066-0121 C
 
 
Coord arcsec 2000 190634.93-012058.6 Mag 14 Calc delta mag 7.17 Calc coord yes