20084+1837 HDS 2870 (HD 191261)

 
 
20h 08m 22.84s +18° 36' 57.2" P.A. 161.00 sep 0.1 mag 8.30,11.85 Sp A0 dist. 275.48 pc (898.62 l.y.)
 
 
Coord 2000 20084+1837 Discov num HDS2870 Comp Coord arcsec 2000 20 08 22.84 +18 36 57.2
Date first 1991 Date last 1991 Obs 1
Pa first 161 Pa last 161 P.A. Now (θ) 161°
Sep first 0.1 Sep last 0.146 Sep. Now (ρ) 0.146"
Mag pri 8.30 Mag sec 11.85 delta mag (ΔM) 3.55 Spectral class A0 (white)
Pri motion ra -005 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191261 Constellation Sagitta SAO 105739 HIP 99203
Tycho2 1622-00696-1 Gaia DR2 1822294670262818048 HD 191261 BD BD+18 4395
Distance 275.48 Distance ly 898.62
 
 
WDS 20084+1837 HDS 2870 (HD 191261) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20084+1837 HDS2870 1991 1 161 0.1 8.30 11.85 A0 200822.84+183657.2

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WDS 20084+1837 HDS 2870 (HD 191261) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20084+1837 HDS 2870 (HD 191261) : MEASURES
 
 
No records found.

 
 
WDS 20084+1837 (HD 191261) : VIRTUAL EYEPIECE
 
 

20084+1837 HDS2870A mag 8.3 Sp A0 20084+1837 HDS2870B sep 0.1 P.A. 161.90 mag 11.85 virtual eyepiece
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Radius:
Components only
 
 
WDS 20084+1837 (HD 191261) : ALADIN DSS IMAGE @ 20h 08m 22.84s +18° 36' 57.2"
 
 
 
 
WDS 20084+1837 HDS 2870 (HD 191261) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20084+1837  HDS2870 distance=0' 20077+1835  TDT2002 distance=10' 20078+1852  TDT2005 distance=17' 20092+1822  HU  354 distance=20' 20080+1816  BPM2016 distance=22' 20099+1836  BRT2468 distance=23' 20090+1808  HJ 2932AB distance=32' 20090+1808  HJ 2932AC distance=32' 20090+1808  HJ 2932AD distance=32' 20085+1806  BPM2021 distance=32' 20079+1805  TDT2008 distance=33' 20108+1827  J   506 distance=37' 20078+1800  BPM2015 distance=38' 20056+1838  COU 326 distance=40' 20070+1803  BPM2003 distance=40' 20065+1908  STJ  26 distance=42' 20062+1906  HJL 271 distance=43' 20064+1802  HJ 2931AB distance=45' 20064+1802  DOO  80AC distance=45' 20103+1915  J  3053 distance=47' 20051+1822  BPM1985 distance=49' 20094+1806  DOO  81 distance=49' 20109+1915  J  3055 distance=52' 20076+1741  JEF   3 distance=56' 20107+1750  BPM2044 distance=58' 20123+1856  J  3056 distance=61' 20039+1856  DAM 189 distance=67' 20041+1854  J  3047 distance=68' 20055+1743  SLE 682 distance=68' 20127+1806  J  2303AB (Sansuna) distance=70' 20047+1751  SLE 680AB distance=70' 20047+1751  FYM 279AC distance=70' 20127+1806  J  2303BC distance=70' 20125+1924  J  3059 distance=73' 20033+1830  STT 396 distance=73' 20078+1950  WEB  12 distance=74' 20097+1724  J   833 distance=75' 20129+1924  J  3060 distance=78' 20102+1723  BPM2040AB distance=79' 20102+1723  BPM2041BC distance=79' 20044+1742  BPM1971 distance=80' 20137+1904  J  3062 distance=80' 20102+1723  BPM2042CD distance=81' 20065+1957  DAM 191BD distance=81' 20065+1957  J  1233AB distance=81' 20065+1957  DAM 191AC distance=81' 20073+1718  BPM2008 distance=81' 20039+1746  BPM1969 distance=83' 20045+1937  J  3048 distance=83' 20063+1954  WAK  19 distance=83' 20037+1926  BRT2464 distance=84' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20084+1837 HDS2870 161 0.1 0
Show 20077+1835 TDT2002 327 0.9 10
Show 20078+1852 TDT2005 147 1.6 17
Show 20092+1822 HU 354 19 0.6 20
Show 20080+1816 BPM2016 252 82.1 22
Show 20099+1836 BRT2468 48 1.9 23
Show 20090+1808 HJ 2932 AB 165 13.5 32
Show 20090+1808 HJ 2932 AC 217 24.3 32
Show 20090+1808 HJ 2932 AD 322 13.0 32
Show 20085+1806 BPM2021 43 123.6 32
Show 20079+1805 TDT2008 108 1.2 33
Show 20108+1827 J 506 306 3.5 37
Show 20078+1800 BPM2015 105 112.7 38
Show 20056+1838 COU 326 256 1.8 40
Show 20070+1803 BPM2003 189 114.3 40
Show 20065+1908 STJ 26 276 1.0 42
Show 20062+1906 HJL 271 342 18.7 43
Show 20064+1802 HJ 2931 AB 312 6.6 45
Show 20064+1802 DOO 80 AC 207 14.5 45
Show 20103+1915 J 3053 248 7.7 47
Show 20051+1822 BPM1985 34 72.5 49
Show 20094+1806 DOO 81 256 9.6 49
Show 20109+1915 J 3055 61 5.6 52
Show 20076+1741 JEF 3 101 12.2 56
Show 20107+1750 BPM2044 18 88.9 58
Show 20123+1856 J 3056 256 6.3 61
Show 20039+1856 DAM 189 343 7.9 67
Show 20041+1854 J 3047 342 4.4 68
Show 20055+1743 SLE 682 287 11.1 68
Show Sansuna 20127+1806 J 2303 AB 50 23.6 70
Show 20047+1751 SLE 680 AB 309 18.0 70
Show 20047+1751 FYM 279 AC 203 5.8 70
Show 20127+1806 J 2303 BC 322 4.5 70
Show 20125+1924 J 3059 155 7.1 73
Show 20033+1830 STT 396 208 46.6 73
Show 20078+1950 WEB 12 77 40.1 74
Show 20097+1724 J 833 115 4.9 75
Show 20129+1924 J 3060 196 6.3 78
Show 20102+1723 BPM2040 AB 78 72.5 79
Show 20102+1723 BPM2041 BC 175 111.1 79
Show 20044+1742 BPM1971 74 114.0 80
Show 20137+1904 J 3062 9 5.7 80
Show 20102+1723 BPM2042 CD 104 103.5 81
Show 20065+1957 DAM 191 BD 218 9.8 81
Show 20065+1957 J 1233 AB 245 6.9 81
Show 20065+1957 DAM 191 AC 179 9.8 81
Show 20073+1718 BPM2008 19 91.1 81
Show 20039+1746 BPM1969 303 74.6 83
Show 20045+1937 J 3048 272 5.9 83
Show 20063+1954 WAK 19 166 2.0 83
Show 20037+1926 BRT2464 181 7.4 84

 
 
WDS 20084+1837 : COMPONENTS
 
 
  A
B pa=161.9°
sep=0.15"
 
 
20084+1837 A
 
 
Name HD 191261 Coord arcsec 2000 200822.84+183657.2 Mag 8.3 Spectral class A0 (white)
PmRA -5.00 PmDE -18.0 SAO 105739 HIP 99203
Tycho2 1622-00696-1 HD 191261 BD BD+18 4395
Tycho2
Tycho2 1622-00696-1 Pflag RAmdeg 302.09514785 DEmdeg 18.61585216
PmRA -3.1 PmDE -17.6 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.29 EpDEm 1991.02
Num 9 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 8.402 E BTmag 0.016 VTmag 8.231
E VTmag 0.013 Prox 999 TYC T HIP 99203
CCDM AB RAdeg 302.09515556 DEdeg 18.61589389 EpRA 1990 1.62
EpDE 1990 1.51 E RAdeg 5.4 E DEdeg 6.1 Posflg P
Corr 0.1
SAO
SAO 105739 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.029 Vmag 8.2 SpType A0
Double code Source 28 CatNum 7965 DM BD+18 4395
DMcomp BDsup HD 191261 M HD 0
GC RA1950rad 5.2627569 DE1950rad 0.32234749 PmRA2000 -0.0009
PmDE2000 -0.031
Hipparcos
Catalog H HIP 99203 Proxy H RAhms 20 08 22.84
DEdms +18 36 57.2 Vmag 8.21 VarFlag R Vmag H
RAdeg 302.095 DEdeg 18.6159 AstroRef * Plx 3.78
CCDM 20084+1837 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual C M HIP AB
Theta 161 Rho 0.146 HD 191261 BD BD+18 4395
CD CP Dm number +18 4395 VIred 0.08
SpType A0 R SpType Coord arcsec 2000 200822.84+183657.2
Hipparcos 2
HIP 99203 Sn 55 So 3 Nc 2
RArad 5.2725550907 DErad 0.3249086238 Plx 3.63 PmRA -5.49
PmDE -18.4 E RArad 0.67 E DErad 0.61 E Plx 0.91
E pmRA 0.91 E pmDE 0.92 Hpmag 8.2621 E Hpmag 0.0022
SHp 0.02 VA 0 BV 0.146 E BV 0.015
VI 0.16
CCDM
Ccdm 20084+1837 RComp Comp A Note1
Note2 Discov num DRAs -1.16 DDEs -2.9
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.3 Sp A0 PmNote *
PmRA -5 PmDE -18 Dm number +18 4395 Cat1 BD
Name2 +18 1978 Cat2 AGK2/3 HD 191261 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 99203
 
 
20084+1837 B
 
 
Coord arcsec 2000 200822.84+183657.1 Mag 11.85 Calc delta mag 3.55 Calc coord yes
CCDM
Ccdm 20084+1837 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.16 DDEs -3.1
R dRAs 82 Year 1991 Theta 161 Rho 0.2
Obs 1 Vmag 11.9 Sp PmNote *
PmRA -5 PmDE -18 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 99203