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Current system
16076+2900
STF 2011 AB
HD 144999


Nearby doubles
17' : 16067+2849
TDS9759

32' : 16065+2928
CVR 812

44' : 16069+2942
TDS9761

56' : 16118+2903
GRV 925

57' : 16078+2956
RAO 345AB

59' : 16032+2851
STF2004

61' : 16039+2935
UC 216

63' : 16055+2955
GRV1217

67' : 16115+2943
CBL 61

79' : 16135+2844
CBL 62AB

83' : 16138+2844
STF2029

90' : 16053+3024
GRV 920

102' : 16011+2808
AG 349

110' : 16038+2723
TDS9744

114' : 16103+3048
TDS9781

115' : 16149+2757
KPP2394

116' : 16019+3027
LDS4626

117' : 16161+2936
A 348

119' : 16123+3041
TDS 805

120' : 16167+2909
SHJ 223AB

121' : 16144+2740
AZC 96

125' : 16096+2658
HDS2282

129' : 15593+2752
TDS9712

130' : 16022+3048
TDS9737

131' : 16095+3108
COU 979

132' : 16006+2726
TDS9725



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.

16076+2900 STF 2011 AB (HD 144999)

 
 
16h 07m 38.27s +28° 59' 43.6" P.A. 67.00 sep 2.7 mag 7.93,10.23 Sp A8IV dist. 307.69 pc (1003.68 l.y.)
 
 
Coord 2000 16076+2900 Discov num STF2011 Comp AB Coord arcsec 2000 16 07 38.27 +28 59 43.6
Date first 1829 Date last 2015 Obs 35
Pa first 65 Pa last 67.2 P.A. Now (θ) 67.2°
Sep first 2.5 Sep last 2.66 Sep. Now (ρ) 2.66"
Mag pri 7.93 Mag sec 10.23 delta mag (ΔM) 2.3 Spectral class A8IV (white)
Pri motion ra -025 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
16076+2900 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 144999 84205 16 07 38 +28 59 44 STF 2011 AB 2015 35 67 2.7 7.93 10.23 2.30 <===
Show 84205 16 07 38 +28 59 44 GUI 16 AC 2017 13 350 117.0 7.93 9.48 1.55
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 144999 Constellation Corona Borealis SAO 84205 HIP 79010
Tycho2 2041-01329-1 Gaia DR2 1317176928205039104 HD 144999 GC 21688
ADS 9930 BD BD+29 2774 Distance 307.69 Distance ly 1003.68
 
 
WDS 16076+2900 STF 2011 AB (HD 144999) : NOTES
 
 
discov_num notes refcode
STF2011 Called Am by Bidelman.
 
 
REFERENCES
 
 
refcode metd author reference
Gui1912 Ma - Guillaume, J. .
Gui1912 Travaux Lyon Obs. 4, 193, 1912
Gui1931 Ma - Guillaume, J. .
Gui1931 Bull. Obs. Lyon 13, 151, 1931
Gui1932A Ma - Guillaume, J. 1932QB821.A43......
Gui1932A cited in ADS (Aitken Double Star Cat.), 1932
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 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
16076+2900 STF2011 AB 2000 29 68 2.7 7.93 10.23 A8IV N 160738.27+285943.6
16076+2900 STF2011 AB 2009 31 65 2.8 7.93 10.23 A8IV N 160738.27+285943.6
16076+2900 STF2011 AB 2010 33 65 2.0 7.93 10.23 A8IV N 160738.27+285943.6
16076+2900 STF2011 AB 2015 34 67 2.7 7.93 10.23 A8IV N 160738.27+285943.6

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

 
 
WDS 16076+2900 STF 2011 AB (HD 144999) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16076+2900 STF 2011 AB (HD 144999) : MEASURES
 
 
No records found.

 
 
WDS 16076+2900 (HD 144999) : VIRTUAL EYEPIECE
 
 

16076+2900 STF2011A mag 7.93 Sp A8IV 16076+2900 STF2011B sep 2.4 P.A. 64.30 mag 10.23 16076+2900 GUI 16C sep 116.5 P.A. 351.30 mag 9.48 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 16076+2900 (HD 144999) : ALADIN DSS IMAGE @ 16h 07m 38.27s +28° 59' 43.6"
 
 
 
 
WDS 16076+2900 STF 2011 AB (HD 144999) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16076+2900 STF2011AB distance=0' 16067+2849 TDS9759 distance=17' 16065+2928 CVR 812 distance=32' 16069+2942 TDS9761 distance=44' 16118+2903 GRV 925 distance=56' 16078+2956 RAO 345AB distance=57' 16078+2956 RAO 345AC distance=57' 16032+2851 STF2004 distance=59' 16039+2935 UC 216 distance=61' 16055+2955 GRV1217 distance=63' 16115+2943 CBL 61 distance=67' 16135+2844 KPP4387BC distance=78' 16135+2844 CBL 62AB distance=79' 16135+2844 KPP4387AC distance=79' 16138+2844 STF2029 distance=83' 16053+3024 GRV 920 distance=90' 16011+2808 AG 349 distance=102' 16038+2723 TDS9744 distance=110' 16103+3048 TDS9781 distance=114' 16149+2757 KPP2394 distance=115' 16019+3027 LDS4626 distance=116' 16161+2936 A 348 distance=117' 16123+3041 TDS 805 distance=119' 16167+2909 SHJ 223AB distance=120' 16167+2909 SHJ 223AC distance=120' 16167+2909 SHJ 223AD distance=120' 16167+2909 SHJ 223AE distance=120' 16144+2740 AZC 96 distance=121' 16167+2909 SHJ 223CD distance=121' 16167+2909 SHJ 223CE distance=121' 16096+2658 HDS2282 distance=125' 15593+2752 TDS9712 distance=129' 16022+3048 TDS9737 distance=130' 16095+3108 COU 979 distance=131' 16006+2726 TDS9725 distance=132' 16123+2657 GRV 926 distance=138' 16182+2926 LSC 64 distance=141' 16063+2633 TDS9754 distance=148' 15573+3005 HJ 2800 distance=150' 15562+2857 LDS4607 distance=152' 16128+3116 CVR1661 distance=152' 15578+3023 KPP2351 distance=153' 16128+2640 STF2022 distance=156' 15558+2912 DOO 61AB distance=156' 16011+2649 KPP3976 distance=157' 16186+3006 GOM 28 distance=158' 16026+2637 HDS2262 distance=158' 16025+2633 COU 618AB distance=162' 16025+2633 GII 227Aa,Ab distance=162' 16122+2629 TDS9793 distance=163' 15554+2932 HO 399 distance=164' 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 16076+2900 STF2011 AB 67 2.7
Show 16076+2900 GUI 16 AC 350 117.0
Show 16067+2849 TDS9759 67 0.5 17
Show 16065+2928 CVR 812 323 7.5 32
Show 16069+2942 TDS9761 297 0.7 44
Show 16118+2903 GRV 925 224 50.0 56
Show 16078+2956 RAO 345 AB 189 0.7 57
Show 16078+2956 RAO 345 AC 234 3.5 57
Show 16032+2851 STF2004 278 1.8 59
Show 16039+2935 UC 216 318 28.7 61
Show 16055+2955 GRV1217 141 8.3 63
Show 16115+2943 CBL 61 185 15.9 67
Show 16135+2844 KPP4387 BC 58 26.3 78
Show 16135+2844 CBL 62 AB 252 26.2 79
Show 16135+2844 KPP4387 AC 335 8.3 79
Show 16138+2844 STF2029 187 6.0 83
Show 16053+3024 GRV 920 195 11.8 90
Show 16011+2808 AG 349 227 11.7 102
Show 16038+2723 TDS9744 38 0.5 110
Show 16103+3048 TDS9781 338 0.6 114
Show 16149+2757 KPP2394 171 20.6 115
Show 16019+3027 LDS4626 273 104.8 116
Show 16161+2936 A 348 152 1.1 117
Show 16123+3041 TDS 805 67 2.0 119
Show 16167+2909 SHJ 223 AB 23 53.8 120
Show 16167+2909 SHJ 223 AC 21 87.5 120
Show 16167+2909 SHJ 223 AD 50 123.1 120
Show 16167+2909 SHJ 223 AE 15 76.6 120
Show 16144+2740 AZC 96 40 38.3 121
Show 16167+2909 SHJ 223 CD 92 63.0 121
Show 16167+2909 SHJ 223 CE 235 13.7 121
Show 16096+2658 HDS2282 53 0.4 125
Show 15593+2752 TDS9712 217 0.6 129
Show 16022+3048 TDS9737 180 2.9 130
Show 16095+3108 COU 979 63 0.4 131
Show 16006+2726 TDS9725 4 0.6 132
Show 16123+2657 GRV 926 44 24.8 138
Show 16182+2926 LSC 64 142 0.1 141
Show 16063+2633 TDS9754 261 2.5 148
Show 15573+3005 HJ 2800 283 14.5 150
Show 15562+2857 LDS4607 265 23.4 152
Show 16128+3116 CVR1661 333 3.4 152
Show 15578+3023 KPP2351 334 20.1 153
Show 16128+2640 STF2022 153 2.5 156
Show 15558+2912 DOO 61 AB 251 50.1 156
Show 16011+2649 KPP3976 320 1.2 157
Show 16186+3006 GOM 28 172 428.2 158
Show 16026+2637 HDS2262 265 0.4 158
Show 16025+2633 COU 618 AB 178 0.6 162
Show 16025+2633 GII 227 Aa,Ab 16 0.2 162
Show 16122+2629 TDS9793 350 0.4 163

 
 
WDS 16076+2900 : COMPONENTS
 
 
  A B
B pa=64.3°
sep=2.38"
 
C pa=351.3°
sep=116.55"
pa=350.2°
sep=115.88"
 
 
16076+2900 A
 
 
Name HD 144999 Coord arcsec 2000 160738.27+285943.6 Mag 7.93 Spectral class A8IV (white)
PmRA -25.00 PmDE -3.0 SAO 84205 HIP 79010
Tycho2 2041-01329-1 HD 144999 GC 21688 ADS 9930
BD BD+29 2774
Tycho2
Tycho2 2041-01329-1 Pflag RAmdeg 241.90937803 DEmdeg 28.99543749
PmRA -24.8 PmDE -2.9 E RAmdeg 5 E DEmdeg 4
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.18 EpDEm 1991.45
Num 10 Q RAmdeg 2.6 Q DEmdeg 1.2 Q pmRA 2.6
Q pmDE 1.1 BTmag 8.128 E BTmag 0.015 VTmag 7.930
E VTmag 0.011 Prox 26 TYC T HIP 79010
CCDM A RAdeg 241.90944389 DEdeg 28.99544417 EpRA 1990 1.54
EpDE 1990 1.63 E RAdeg 4.6 E DEdeg 4.3 Posflg D
Corr -0.1
SAO
SAO 84205 DelFlag RA1950 PmRA1950 -0.0018
DE1950 PmDE1950 -0.008 Vmag 7.7 SpType A3
Double code Source 70 CatNum 21688 DM BD+29 2774
DMcomp BDsup HD 144999 M HD 0
GC 21688 RA1950rad 4.21331414 DE1950rad 0.50837217 PmRA2000 -0.0016
PmDE2000 -0.006
Hipparcos
Catalog H HIP 79010 Proxy H RAhms 16 07 38.27
DEdms +28 59 43.6 Vmag 7.74 VarFlag R Vmag H
RAdeg 241.909 DEdeg 28.9954 AstroRef A Plx 2.72
CCDM 16076+2900 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 67 Rho 2.64 HD 144999 BD BD+29 2774
CD CP Dm number +29 2774 VIred 0.17
SpType A3 R SpType Coord arcsec 2000 160738.27+285943.6
Hipparcos 2
HIP 79010 Sn 15 So 3 Nc 2
RArad 4.2221163172 DErad 0.5060659984 Plx 3.25 PmRA -17.26
PmDE -4.43 E RArad 0.42 E DErad 0.54 E Plx 0.77
E pmRA 0.4 E pmDE 0.63 Hpmag 7.8128 E Hpmag 0.0012
SHp 0.013 VA 0 BV 0.23 E BV 0.009
VI 0.26
CCDM
Ccdm 16076+2900 RComp Comp A Note1
Note2 Discov num DRAs 2.24 DDEs -16.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp A3 PmNote *
PmRA -25 PmDE -7 Dm number +29 2774 Cat1 BD
Name2 +29 1544 Cat2 AGK2/3 HD 144999 M HD
ADS BDS A 9930 M ADS BDS N IDS IDS 16036N2916A
HIC 79010
 
 
16076+2900 B
 
 
Coord arcsec 2000 160738.43+285944.6 Mag 10.23 Calc delta mag 2.3 Calc coord yes
CCDM
Ccdm 16076+2900 RComp Comp B Note1
Note2 Discov num STF2011 DRAs DDEs
R dRAs Year 1829 Theta 067 Rho 2.4
Obs 16 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9930 M ADS BDS N IDS IDS 16036N2916B
HIC 79010
 
 
16076+2900 C
 
 
Coord arcsec 2000 160736.93+290138.8 Mag 9.48 PmRA -10.00 PmDE -9.0
Tycho2 2041-01219-1 Calc delta mag 1.55 Calc coord yes
Tycho2
Tycho2 2041-01219-1 Pflag RAmdeg 241.90308930 DEmdeg 29.02782429
PmRA -9.4 PmDE -8.5 E RAmdeg 15 E DEmdeg 14
E pmRA 1.7 E pmDE 1.7 EpRAm 1989.91 EpDEm 1989.91
Num 6 Q RAmdeg 1.1 Q DEmdeg 1.6 Q pmRA 1.2
Q pmDE 1.6 BTmag 11.522 E BTmag 0.063 VTmag 9.476
E VTmag 0.018 Prox 999 TYC T HIP
CCDM RAdeg 241.90311556 DEdeg 29.02784556 EpRA 1990 1.63
EpDE 1990 1.61 E RAdeg 15.5 E DEdeg 15.0 Posflg
Corr -0.2