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Current system
18028+3815
ALI 867


Nearby doubles
13' : 18031+3805
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COU1458



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18028+3815 ALI 867

 
 
18h 02m 50.48s +38° 15' 07.9" P.A. 246.00 sep 11.4 mag 10.90,12.80 Sp K2 dist. 223.71 pc (729.74 l.y.)
 
 
Coord 2000 18028+3815 Discov num ALI 867 Comp Coord arcsec 2000 18 02 50.48 +38 15 07.9
Date first 1930 Date last 2020 Obs 11
Pa first 251 Pa last 245.8 P.A. Now (θ) 245.8°
Sep first 12.4 Sep last 11.39 Sep. Now (ρ) 11.39"
Mag pri 10.90 Mag sec 12.80 delta mag (ΔM) 1.9 Spectral class K2 (yellow-orange)
Pri motion ra -004 Sec motion ra -006
Pri motion dec -004 Sec motion dec -011
Notes
rPM=0.581
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 88378 Tycho2 3102-01105-1 Gaia DR2 4610287100337005824
BD BD+38 3066 Distance 223.71 Distance ly 729.74
 
 
WDS 18028+3815 ALI 867 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ali1949 Pa - Ali, A. 1949AJ.....54..199A
Ali1949 AJ 54, 199, 1949
Ali1950 Pa - Ali, A. 1950AJ.....55..209A
Ali1950 AJ 55, 208, 1950
Ali1952 Pa - Ali, A. 1952AJ.....57..146A
Ali1952 AJ 57, 146, 1952
Ali1955 Pa - Ali, A. .
Ali1955 Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999 Pa - Ali, A. ...................
Ali9999 +Po Unpublished, manuscript or reference not found.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
18028+3815 ALI 867 1998 3 247 11.5 10.90 12.80 K2 D 180250.48+381507.9
18028+3815 ALI 867 2002 4 247 11.5 10.90 12.80 K2 D 180250.48+381507.9
18028+3815 ALI 867 2010 5 246 11.4 10.90 12.80 K2 180250.48+381507.9
18028+3815 ALI 867 2013 5 247 11.5 10.90 12.80 K2 180250.48+381507.9
18028+3815 ALI 867 2015 6 245 12.1 10.90 12.80 K2 180250.48+381507.9
18028+3815 ALI 867 2020 11 246 11.4 10.90 12.80 K2 180250.48+381507.9

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

 
 
WDS 18028+3815 ALI 867 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18028+3815 ALI 867 : MEASURES
 
 
No records found.

 
 
WDS 18028+3815 : VIRTUAL EYEPIECE
 
 

18028+3815 ALI 867A mag 10.9 Sp K2 18028+3815 ALI 867B sep 9.4 P.A. 240.20 mag 12.8 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 18028+3815 : ALADIN DSS IMAGE @ 18h 02m 50.48s +38° 15' 07.9"
 
 
 
 
WDS 18028+3815 ALI 867 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18028+3815 ALI 867 distance=0' 18031+3805 J 757 distance=13' 18051+3819 J 1218 distance=30' 18053+3806 J 758 distance=32' 17597+3807 DAM 102 distance=39' 18053+3750 ALI 608 distance=39' 17596+3804 DAM 101 distance=41' 18063+3824 HU 1186 distance=42' 17595+3803 ES 2478 distance=42' 17594+3803 DAM 100 distance=43' 17592+3806 DAM 99 distance=44' 18038+3857 LDS4773AB distance=45' 18036+3731 COU1147 distance=46' 18064+3837 ES 2017 distance=47' 18056+3727 ES 2109AB distance=59' 18056+3727 DAM 306AC distance=59' 18056+3727 ES 2109AD distance=59' 18017+3714 GCB 29 distance=65' 18033+3921 STF2275 distance=67' 17578+3744 TOB 141 distance=68' 18032+3926 MLB 851 distance=72' 17579+3741 ROE 4 distance=73' 17591+3716 J 755 distance=74' 18040+3923 L 19 distance=76' 18077+3904 ES 2018 distance=77' 18093+3836 HEI 557 distance=80' 18094+3756 ALI 609 distance=80' 18096+3827 LUH 13 distance=81' 17592+3926 COU1458 distance=83' 18025+3643 ES 2479 distance=91' 17553+3753 GRV 969 distance=92' 17551+3745 OSO 89AB distance=97' 17551+3745 OSO 89AC distance=97' 17551+3745 OSO 89AD distance=97' 18107+3903 ES 2569 distance=105' 17562+3926 BU 417 distance=106' 18101+3713 ES 2480 distance=107' 17575+3942 COU1457 distance=107' 18112+3906 HDS2565 distance=111' 18080+3642 ES 183 distance=112' 17554+3930 STF2246 distance=115' 18017+4011 STF2267 distance=117' 18126+3836 BU 1091 distance=117' 17597+3624 OSO 91AB distance=118' 17597+3624 OSO 91AC distance=118' 18129+3819 TDT 737 distance=119' 18050+3619 LDS4774 distance=119' 18088+3638 KPP1404 distance=121' 18079+4002 ES 1649AB distance=122' 18079+4002 ES 1649AC distance=122' 18056+3618 AHD 1 distance=122' 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 18028+3815 ALI 867 246 11.4
Show 18031+3805 J 757 322 3.5 13
Show 18051+3819 J 1218 167 3.1 30
Show 18053+3806 J 758 124 3.2 32
Show 17597+3807 DAM 102 111 8.8 39
Show 18053+3750 ALI 608 175 13.3 39
Show 17596+3804 DAM 101 80 5.1 41
Show 18063+3824 HU 1186 134 0.2 42
Show 17595+3803 ES 2478 234 4.3 42
Show 17594+3803 DAM 100 138 8.3 43
Show 17592+3806 DAM 99 86 6.4 44
Show 18038+3857 LDS4773 AB 304 72.4 45
Show 18036+3731 COU1147 175 0.7 46
Show 18064+3837 ES 2017 268 2.6 47
Show 18056+3727 ES 2109 AB 147 4.3 59
Show 18056+3727 DAM 306 AC 331 18.8 59
Show 18056+3727 ES 2109 AD 350 41.8 59
Show 18017+3714 GCB 29 212 3.9 65
Show 18033+3921 STF2275 124 0.3 67
Show 17578+3744 TOB 141 356 16.8 68
Show 18032+3926 MLB 851 34 6.7 72
Show 17579+3741 ROE 4 164 11.3 73
Show 17591+3716 J 755 141 1.7 74
Show 18040+3923 L 19 274 0.2 76
Show 18077+3904 ES 2018 236 5.7 77
Show 18093+3836 HEI 557 281 1.8 80
Show 18094+3756 ALI 609 207 13.3 80
Show 18096+3827 LUH 13 327 769.2 81
Show 17592+3926 COU1458 78 0.4 83
Show 18025+3643 ES 2479 232 9.9 91
Show 17553+3753 GRV 969 156 43.1 92
Show 17551+3745 OSO 89 AB 117 20.7 97
Show 17551+3745 OSO 89 AC 74 21.3 97
Show 17551+3745 OSO 89 AD 26 23.8 97
Show 18107+3903 ES 2569 275 10.0 105
Show 17562+3926 BU 417 317 1.0 106
Show 18101+3713 ES 2480 355 4.5 107
Show 17575+3942 COU1457 7 1.9 107
Show 18112+3906 HDS2565 340 0.7 111
Show 18080+3642 ES 183 169 8.4 112
Show 17554+3930 STF2246 100 5.5 115
Show 18017+4011 STF2267 280 0.4 117
Show 18126+3836 BU 1091 319 0.7 117
Show 17597+3624 OSO 91 AB 16 20.4 118
Show 17597+3624 OSO 91 AC 104 27.3 118
Show 18129+3819 TDT 737 245 0.4 119
Show 18050+3619 LDS4774 268 302.4 119
Show 18088+3638 KPP1404 352 10.5 121
Show 18079+4002 ES 1649 AB 331 7.8 122
Show 18079+4002 ES 1649 AC 226 24.4 122
Show 18056+3618 AHD 1 278 39.8 122

 
 
WDS 18028+3815 : COMPONENTS
 
 
  A
B pa=240.2°
sep=9.40"
 
 
18028+3815 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 180250.48+381507.9 Mag 10.9 Spectral class K2 (yellow-orange)
PmRA -4.00 PmDE -4.0 HIP 88378 Tycho2 3102-01105-1
BD BD+38 3066
Tycho2
Tycho2 3102-01105-1 Pflag RAmdeg 270.71033834 DEmdeg 38.25219927
PmRA -5.4 PmDE -4.0 E RAmdeg 26 E DEmdeg 24
E pmRA 2.1 E pmDE 2.0 EpRAm 1988.48 EpDEm 1988.26
Num 7 Q RAmdeg 1.8 Q DEmdeg 1.4 Q pmRA 1.9
Q pmDE 1.5 BTmag 11.582 E BTmag 0.065 VTmag 10.248
E VTmag 0.033 Prox 999 TYC T HIP 88378
CCDM RAdeg 270.71035944 DEdeg 38.25221111 EpRA 1990 1.51
EpDE 1990 1.59 E RAdeg 27.2 E DEdeg 26.3 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 88378 Proxy RAhms 18 02 50.48
DEdms +38 15 07.9 Vmag 10.01 VarFlag 2 R Vmag H
RAdeg 270.71 DEdeg 38.2522 AstroRef Plx 2.42
CCDM 18028+3815 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD BD BD+38 3066
CD CP Dm number +38 3066 VIred 1.19
SpType K2 R SpType Coord arcsec 2000 180250.48+381507.9
Hipparcos 2
HIP 88378 Sn 1 So 2 Nc 1
RArad 4.7247869216 DErad 0.6676267738 Plx 4.47 PmRA -7.87
PmDE -0.41 E RArad 1.92 E DErad 1.86 E Plx 2.3
E pmRA 2.33 E pmDE 2.26 Hpmag 10.1711 E Hpmag 0.0043
SHp 0.034 VA 0 BV 1.116 E BV 0.063
VI 1.08
CCDM
Ccdm 18028+3815 RComp Comp A Note1
Note2 Discov num DRAs 2.45 DDEs 7.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.9 Sp PmNote *
PmRA -11 PmDE -14 Dm number +38 3066 Cat1 BD
Name2 +38 1636 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 17595N3815A
HIC 88378
 
 
18028+3815 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180249.79+381503.2 Mag 12.8 PmRA -6.00
PmDE -11.0 Calc delta mag 1.9 Calc coord yes
CCDM
Ccdm 18028+3815 RComp Comp B Note1
Note2 Discov num ALI 867 DRAs DDEs
R dRAs Year 1930 Theta 252 Rho 12.7
Obs 1 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17595N3815B
HIC