19021+1426 HO 93 AC

 
 
19h 02m 04.88s +14° 25' 47.5" P.A. 210.00 sep 39.9 mag 7.43,12.20 Sp B9.5IV dist. 432.9 pc (1412.12 l.y.)
 
 
Coord 2000 19021+1426 Discov num HO   93 Comp AC Coord arcsec 2000 19 02 04.88 +14 25 47.5
Date first 1892 Date last 2020 Obs 6
Pa first 211 Pa last 209.8 P.A. Now (θ) 209.8°
Sep first 39.2 Sep last 39.85 Sep. Now (ρ) 39.85"
Mag pri 7.43 Mag sec 12.20 delta mag (ΔM) 4.77 Spectral class B9.5IV (blue-white)
Pri motion ra +001 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19021+1426 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 176978 104385 19 02 05 +14 25 48 HO 93 AB 2016 14 328 1.1 7.43 10.27 2.84
Show 104385 19 02 05 +14 25 48 HO 93 AC 2020 6 210 39.9 7.43 12.20 4.77 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila SAO 104385 HIP 93461 Tycho2 1052-01875-1
Gaia DR2 4506553980758844800 HD 176978 BD BD+14 3750 Distance 432.9
Distance ly 1412.12
 
 
WDS 19021+1426 HO 93 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19021+1426 HO 93 AC 1997 2 210 40.4 7.43 12.20 B9.5IV D 190204.88+142547.5
19021+1426 HO 93 AC 1998 3 210 40.3 7.43 12.20 B9.5IV D 190204.88+142547.5
19021+1426 HO 93 AC 2001 4 210 40.2 7.43 12.20 B9.5IV D 190204.88+142547.5
19021+1426 HO 93 AC 2015 5 210 40.3 7.43 12.20 B9.5IV 190204.88+142547.5
19021+1426 HO 93 AC 2020 6 210 39.9 7.43 12.20 B9.5IV 190204.88+142547.5

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

 
 
WDS 19021+1426 HO 93 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19021+1426 HO 93 AC : MEASURES
 
 
No records found.

 
 
WDS 19021+1426 : VIRTUAL EYEPIECE
 
 

19021+1426 HO   93A mag 7.43 Sp B9.5IV 19021+1426 HO   93B sep 1.1 P.A. 328.80 mag 10.27 19021+1426 HO   93C sep 39.5 P.A. 209.00 mag 12.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 19021+1426 : ALADIN DSS IMAGE @ 19h 02m 04.88s +14° 25' 47.5"
 
 
 
 
WDS 19021+1426 HO 93 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


19021+1426  HO   93AB distance=1' 19021+1426  HO   93AC distance=1' 19016+1429  BPM 927 distance=8' 19028+1417  BPM 936 distance=14' 19007+1431  BPM 923 distance=21' 19005+1445  HEI 265 distance=31' 19041+1447  STF2443 distance=36' 18595+1420  BPMA 74 distance=39' 19035+1500  BPM 943 distance=40' 19002+1353  BPM 921 distance=43' 18599+1454  STF2428AB distance=43' 18599+1454  WAL 100AC distance=43' 19010+1507  BPM 925 distance=44' 18595+1504  WRD   2AB distance=49' 18595+1504  WRD   2AC distance=49' 18596+1504  ENG  65BC distance=51' 18585+1429  BPM 914 distance=52' 18596+1504  ENG  65AB (Deneb el okab) distance=53' 18596+1504  ENG  65AC (Deneb el okab) distance=53' 19024+1332  BPM 933 distance=54' 18597+1345  BPM 920 distance=55' 19040+1514  KPP 728 distance=56' 19054+1352  BU  287AB (Okab) distance=60' 19054+1352  BU  287AC (Okab) distance=60' 19054+1352  POP1225AD (Okab) distance=60' 19054+1352  DRS  63AE (Okab) distance=60' 19053+1504  HEI 267 distance=61' 18584+1459  BPM 913 distance=63' 18576+1420  BPM 907BC distance=65' 18576+1420  BPM 906AB distance=65' 18591+1338  STF2424AB distance=66' 18591+1338  STF2424AC distance=66' 19044+1328  BPM 952 distance=67' 19039+1527  BPM 946 distance=67' 19024+1535  BPM 932 distance=70' 19064+1355  BPM 963 distance=70' 18586+1514  BPM 915 distance=71' 18574+1445  KPP2586 distance=71' 19042+1529  J  1839 distance=73' 18585+1523  OL  190 distance=73' 18585+1518  TDT1157Aa,Ab distance=74' 18585+1518  AG  368AB distance=74' 19072+1426  J  2166 distance=74' 18572+1450  HU  676 distance=75' 18577+1509  OL  180 distance=77' 18596+1317  BPM 919 distance=78' 19077+1447  BPM 973 distance=85' 18574+1517  BPM 905 distance=85' 19074+1351  BPM 969 distance=85' 18563+1435  BPM 896 distance=85' 18568+1505  BPM 900 distance=86' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 19021+1426 HO 93 AB 328 1.1 1
Show 19021+1426 HO 93 AC 210 39.9 1
Show 19016+1429 BPM 927 274 114.8 8
Show 19028+1417 BPM 936 156 95.6 14
Show 19007+1431 BPM 923 184 107.3 21
Show 19005+1445 HEI 265 45 0.3 31
Show 19041+1447 STF2443 311 6.8 36
Show 18595+1420 BPMA 74 49 165.5 39
Show 19035+1500 BPM 943 274 48.8 40
Show 19002+1353 BPM 921 33 116.8 43
Show 18599+1454 STF2428 AB 287 6.9 43
Show 18599+1454 WAL 100 AC 14 62.2 43
Show 19010+1507 BPM 925 201 108.5 44
Show 18595+1504 WRD 2 AB 251 9.3 49
Show 18595+1504 WRD 2 AC 100 22.3 49
Show 18596+1504 ENG 65 BC 102 59.8 51
Show 18585+1429 BPM 914 32 60.4 52
Show Deneb el okab 18596+1504 ENG 65 AB 184 122.0 53
Show Deneb el okab 18596+1504 ENG 65 AC 159 142.9 53
Show 19024+1332 BPM 933 188 98.8 54
Show 18597+1345 BPM 920 130 77.9 55
Show 19040+1514 KPP 728 170 6.4 56
Show Okab 19054+1352 BU 287 AB 46 7.4 60
Show Okab 19054+1352 BU 287 AC 75 161.0 60
Show Okab 19054+1352 POP1225 AD 151 199.4 60
Show Okab 19054+1352 DRS 63 AE 117 999.9 60
Show 19053+1504 HEI 267 225 0.9 61
Show 18584+1459 BPM 913 18 115.5 63
Show 18576+1420 BPM 907 BC 218 108.7 65
Show 18576+1420 BPM 906 AB 153 90.0 65
Show 18591+1338 STF2424 AB 304 20.8 66
Show 18591+1338 STF2424 AC 272 79.0 66
Show 19044+1328 BPM 952 45 113.5 67
Show 19039+1527 BPM 946 311 71.5 67
Show 19024+1535 BPM 932 70 89.7 70
Show 19064+1355 BPM 963 105 32.6 70
Show 18586+1514 BPM 915 20 105.2 71
Show 18574+1445 KPP2586 286 23.4 71
Show 19042+1529 J 1839 25 8.2 73
Show 18585+1523 OL 190 295 3.3 73
Show 18585+1518 TDT1157 Aa,Ab 232 0.4 74
Show 18585+1518 AG 368 AB 318 17.3 74
Show 19072+1426 J 2166 184 7.5 74
Show 18572+1450 HU 676 79 1.2 75
Show 18577+1509 OL 180 47 2.2 77
Show 18596+1317 BPM 919 164 112.8 78
Show 19077+1447 BPM 973 102 90.7 85
Show 18574+1517 BPM 905 37 112.1 85
Show 19074+1351 BPM 969 37 90.6 85
Show 18563+1435 BPM 896 31 99.8 85
Show 18568+1505 BPM 900 256 105.4 86

 
 
WDS 19021+1426 : COMPONENTS
 
 
  A B
B pa=328.8°
sep=1.12"
 
C pa=209.0°
sep=39.54"
pa=207.6°
sep=40.11"
 
 
19021+1426 A
 
 
Name HD 176978 Coord arcsec 2000 190204.88+142547.5 Mag 7.43 Spectral class B9.5IV (blue-white)
PmRA 1.00 PmDE -2.0 SAO 104385 HIP 93461
Tycho2 1052-01875-1 HD 176978 BD BD+14 3750
Tycho2
Tycho2 1052-01875-1 Pflag RAmdeg 285.52035511 DEmdeg 14.42985217
PmRA 0.7 PmDE -2.0 E RAmdeg 5 E DEmdeg 5
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.46 EpDEm 1991.50
Num 8 Q RAmdeg 0.6 Q DEmdeg 1.2 Q pmRA 0.5
Q pmDE 1.3 BTmag 7.627 E BTmag 0.015 VTmag 7.430
E VTmag 0.011 Prox 12 TYC T HIP 93461
CCDM A RAdeg 285.52035333 DEdeg 14.42985667 EpRA 1990 1.71
EpDE 1990 1.77 E RAdeg 4.7 E DEdeg 5.1 Posflg
Corr 0.1
SAO
SAO 104385 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.002 Vmag 7.7 SpType A2
Double code Source 29 CatNum 6985 DM BD+14 3750
DMcomp BDsup HD 176978 M HD 0
GC RA1950rad 4.9732891 DE1950rad 0.25057113 PmRA2000 0.0001
PmDE2000 -0.003
Hipparcos
Catalog H HIP 93461 Proxy H RAhms 19 02 04.88
DEdms +14 25 47.5 Vmag 7.37 VarFlag R Vmag H
RAdeg 285.52 DEdeg 14.4299 AstroRef A Plx 2.67
CCDM 19021+1426 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 328 Rho 1.19 HD 176978 BD BD+14 3750
CD CP Dm number +14 3750 VIred 0.15
SpType A2 R SpType Coord arcsec 2000 190204.88+142547.5
Hipparcos 2
HIP 93461 Sn 15 So 3 Nc 2
RArad 4.9832702247 DErad 0.251848493 Plx 2.31 PmRA 0.61
PmDE -1.54 E RArad 0.76 E DErad 0.65 E Plx 0.84
E pmRA 1.07 E pmDE 0.88 Hpmag 7.4169 E Hpmag 0.0016
SHp 0.01 VA 0 BV 0.1 E BV 0.495
VI 0.15
CCDM
Ccdm 19021+1426 RComp Comp A Note1
Note2 Discov num DRAs -1.12 DDEs -11.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.6 Sp A2 PmNote *
PmRA 1 PmDE 13 Dm number +14 3750 Cat1 BD
Name2 +14 1961 Cat2 AGK2/3 HD 176978 M HD
ADS BDS A11958 M ADS BDS N IDS IDS 18575N1417A
HIC 93461
 
 
19021+1426 B
 
 
Coord arcsec 2000 190204.84+142548.5 Mag 10.27 PmRA 1.00 PmDE -2.0
Calc delta mag 2.84 Calc coord yes
CCDM
Ccdm 19021+1426 RComp Comp B Note1
Note2 Discov num HO 93 DRAs DDEs
R dRAs Year 1924 Theta 325 Rho 1.3
Obs 5 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11958 M ADS BDS N IDS IDS 18575N1417B
HIC 93461
 
 
19021+1426 C
 
 
Coord arcsec 2000 190203.56+142512.9 Mag 12.2 Calc delta mag 4.77 Calc coord yes
CCDM
Ccdm 19021+1426 RComp Comp C Note1
Note2 Discov num HO 93 DRAs DDEs
R dRAs Year 1892 Theta 210 Rho 39.2
Obs 1 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11958 M ADS BDS N IDS IDS 18575N1417C
HIC